| blob | 7d3078ea6ecdfe0e3a91a3c48e56f9a381a635a0 |
2 ##------------------------------------------------------------##
3 #
4 # The multiple-architecture stuff in this file is pretty
5 # cryptic. Read docs/internals/multiple-architectures.txt
6 # for at least a partial explanation of what is going on.
7 #
8 ##------------------------------------------------------------##
10 # Process this file with autoconf to produce a configure script.
11 #
12 # Define major, minor, micro and suffix here once, then reuse them
13 # for version number in valgrind.h and vg-entities (documentation).
14 # suffix must be empty for a release, otherwise it is GIT or RC1, etc.
15 # Also set the (expected/last) release date here.
16 # Do not forget to rerun ./autogen.sh
17 m4_define([v_major_ver], [3])
18 m4_define([v_minor_ver], [24])
19 m4_define([v_micro_ver], [0])
20 m4_define([v_suffix_ver], [GIT])
21 m4_define([v_rel_date], ["?? Oct 2024"])
22 m4_define([v_version],
23 m4_if(v_suffix_ver, [],
24 [v_major_ver.v_minor_ver.v_micro_ver],
25 [v_major_ver.v_minor_ver.v_micro_ver.v_suffix_ver]))
26 AC_INIT([Valgrind],[v_version],[valgrind-users@lists.sourceforge.net])
28 # For valgrind.h
29 AC_SUBST(VG_VER_MAJOR, v_major_ver)
30 AC_SUBST(VG_VER_MINOR, v_minor_ver)
32 # For docs/xml/vg-entities.xml
33 AC_SUBST(VG_DATE, v_rel_date)
35 AC_CONFIG_SRCDIR(coregrind/m_main.c)
36 AC_CONFIG_HEADERS([config.h])
37 AM_INIT_AUTOMAKE([foreign dist-bzip2 subdir-objects])
39 AM_MAINTAINER_MODE
41 #----------------------------------------------------------------------------
42 # Do NOT modify these flags here. Except in feature tests in which case
43 # the original values must be properly restored.
44 #----------------------------------------------------------------------------
45 CFLAGS="$CFLAGS"
46 CXXFLAGS="$CXXFLAGS"
48 #----------------------------------------------------------------------------
49 # Checks for various programs.
50 #----------------------------------------------------------------------------
52 AC_PROG_LN_S
53 m4_version_prereq([2.70], [AC_PROG_CC], [AC_PROG_CC_C99])
54 # Make sure we can compile in C99 mode.
55 if test "$ac_cv_prog_cc_c99" = "no"; then
56 AC_MSG_ERROR([Valgrind relies on a C compiler supporting C99])
57 fi
58 AC_PROG_CPP
59 AC_PROG_CXX
60 # AC_PROG_OBJC apparently causes problems on older Linux distros (eg. with
61 # autoconf 2.59). If we ever have any Objective-C code in the Valgrind code
62 # base (eg. most likely as Darwin-specific tests) we'll need one of the
63 # following:
64 # - put AC_PROG_OBJC in a Darwin-specific part of this file
65 # - Use AC_PROG_OBJC here and up the minimum autoconf version
66 # - Use the following, which is apparently equivalent:
67 # m4_ifdef([AC_PROG_OBJC],
68 # [AC_PROG_OBJC],
69 # [AC_CHECK_TOOL([OBJC], [gcc])
70 # AC_SUBST([OBJC])
71 # AC_SUBST([OBJCFLAGS])
72 # ])
73 AC_PROG_RANLIB
74 # Set LTO_RANLIB variable to an lto enabled ranlib
75 if test "x$LTO_RANLIB" = "x"; then
76 AC_PATH_PROGS([LTO_RANLIB], [gcc-ranlib])
77 fi
78 AC_ARG_VAR([LTO_RANLIB],[Library indexer command for link time optimisation])
80 # provide a very basic definition for AC_PROG_SED if it's not provided by
81 # autoconf (as e.g. in autoconf 2.59).
82 m4_ifndef([AC_PROG_SED],
83 [AC_DEFUN([AC_PROG_SED],
84 [AC_ARG_VAR([SED])
85 AC_CHECK_PROGS([SED],[gsed sed])])])
86 AC_PROG_SED
88 AC_DEFUN([AC_PROG_SHA256SUM],
89 [AC_ARG_VAR([SHA256SUM])
90 AC_CHECK_PROGS([SHA256SUM],[gsha256sum sha256sum])])
91 AC_PROG_SHA256SUM
93 # If no AR variable was specified, look up the name of the archiver. Otherwise
94 # do not touch the AR variable.
95 if test "x$AR" = "x"; then
96 AC_PATH_PROGS([AR], [`echo $LD | $SED 's/ld$/ar/'` "ar"], [ar])
97 fi
98 AC_ARG_VAR([AR],[Archiver command])
100 # same for LTO_AR variable for lto enabled archiver
101 if test "x$LTO_AR" = "x"; then
102 AC_PATH_PROGS([LTO_AR], [gcc-ar])
103 fi
104 AC_ARG_VAR([LTO_AR],[Archiver command for link time optimisation])
106 # figure out where perl lives
107 AC_PATH_PROG(PERL, perl)
109 # figure out where gdb lives
110 AC_PATH_PROG(GDB, gdb, "/no/gdb/was/found/at/configure/time")
111 AC_DEFINE_UNQUOTED(GDB_PATH, "$GDB", [path to GDB])
113 # some older automake's don't have it so try something on our own
114 ifdef([AM_PROG_AS],[AM_PROG_AS],
115 [
116 AS="${CC}"
117 AC_SUBST(AS)
119 ASFLAGS=""
120 AC_SUBST(ASFLAGS)
121 ])
124 # Check if 'diff' supports -u (universal diffs) and use it if possible.
126 AC_MSG_CHECKING([for diff -u])
127 AC_SUBST(DIFF)
129 # Comparing two identical files results in 0.
130 tmpfile="tmp-xxx-yyy-zzz"
131 touch $tmpfile;
132 if diff -u $tmpfile $tmpfile ; then
133 AC_MSG_RESULT([yes])
134 DIFF="diff -u"
135 else
136 AC_MSG_RESULT([no])
137 DIFF="diff"
138 fi
139 rm $tmpfile
141 # We don't want gcc < 3.0
142 AC_MSG_CHECKING([for a supported version of gcc])
144 # Obtain the compiler version.
145 #
146 # A few examples of how the ${CC} --version output looks like:
147 #
148 # ######## gcc variants ########
149 # Arch Linux: i686-pc-linux-gnu-gcc (GCC) 4.6.2
150 # Debian Linux: gcc (Debian 4.3.2-1.1) 4.3.2
151 # openSUSE: gcc (SUSE Linux) 4.5.1 20101208 [gcc-4_5-branch revision 167585]
152 # Exherbo Linux: x86_64-pc-linux-gnu-gcc (Exherbo gcc-4.6.2) 4.6.2
153 # MontaVista Linux for ARM: arm-none-linux-gnueabi-gcc (Sourcery G++ Lite 2009q1-203) 4.3.3
154 # OS/X 10.6: i686-apple-darwin10-gcc-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5666) (dot 3)
155 # OS/X 10.7: i686-apple-darwin11-llvm-gcc-4.2 (GCC) 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2335.15.00)
156 #
157 # ######## clang variants ########
158 # Clang: clang version 2.9 (tags/RELEASE_29/final)
159 # Apple clang: Apple clang version 3.1 (tags/Apple/clang-318.0.58) (based on LLVM 3.1svn)
160 # FreeBSD clang: FreeBSD clang version 3.1 (branches/release_31 156863) 20120523
161 #
162 # ######## Apple LLVM variants ########
163 # Apple LLVM version 5.1 (clang-503.0.40) (based on LLVM 3.4svn)
164 # Apple LLVM version 6.0 (clang-600.0.51) (based on LLVM 3.5svn)
165 #
166 [
167 if test "x`${CC} --version | $SED -n -e 's/.*\Apple \(LLVM\) version.*clang.*/\1/p'`" = "xLLVM" ;
168 then
169 is_clang="applellvm"
170 gcc_version=`${CC} --version | $SED -n -e 's/.*LLVM version \([0-9.]*\).*$/\1/p'`
171 elif test "x`${CC} --version | $SED -n -e 's/.*\(clang\) version.*/\1/p'`" = "xclang" ;
172 then
173 is_clang="clang"
174 # Don't use -dumpversion with clang: it will always produce "4.2.1".
175 gcc_version=`${CC} --version | $SED -n -e 's/.*clang version \([0-9.]*\).*$/\1/p'`
176 elif test "x`${CC} --version | $SED -n -e 's/icc.*\(ICC\).*/\1/p'`" = "xICC" ;
177 then
178 is_clang="icc"
179 gcc_version=`${CC} -dumpversion 2>/dev/null`
180 else
181 is_clang="notclang"
182 gcc_version=`${CC} -dumpversion 2>/dev/null`
183 if test "x$gcc_version" = x; then
184 gcc_version=`${CC} --version | $SED -n -e 's/[^ ]*gcc[^ ]* ([^)]*) \([0-9.]*\).*$/\1/p'`
185 fi
186 fi
187 ]
188 AM_CONDITIONAL(COMPILER_IS_CLANG, test $is_clang = clang -o $is_clang = applellvm)
189 AM_CONDITIONAL(COMPILER_IS_ICC, test $is_clang = icc)
191 # Note: m4 arguments are quoted with [ and ] so square brackets in shell
192 # statements have to be quoted.
193 case "${is_clang}-${gcc_version}" in
194 applellvm-5.1|applellvm-[[6-9]].*|applellvm-[[1-9][0-9]]*)
195 AC_MSG_RESULT([ok (Apple LLVM version ${gcc_version})])
196 ;;
197 icc-1[[3-9]].*|icc-202[[0-9]].*)
198 AC_MSG_RESULT([ok (ICC version ${gcc_version})])
199 ;;
200 notclang-[[3-9]]|notclang-[[3-9]].*|notclang-[[1-9][0-9]]*)
201 AC_MSG_RESULT([ok (${gcc_version})])
202 ;;
203 clang-2.9|clang-[[3-9]].*|clang-[[1-9][0-9]]*)
204 AC_MSG_RESULT([ok (clang-${gcc_version})])
205 ;;
206 *)
207 AC_MSG_RESULT([no (${is_clang}-${gcc_version})])
208 AC_MSG_ERROR([please use gcc >= 3.0 or clang >= 2.9 or icc >= 13.0 or Apple LLVM >= 5.1])
209 ;;
210 esac
212 #----------------------------------------------------------------------------
213 # Arch/OS/platform tests.
214 #----------------------------------------------------------------------------
215 # We create a number of arch/OS/platform-related variables. We prefix them
216 # all with "VGCONF_" which indicates that they are defined at
217 # configure-time, and distinguishes them from the VGA_*/VGO_*/VGP_*
218 # variables used when compiling C files.
220 AC_CANONICAL_HOST
222 AC_MSG_CHECKING([for a supported CPU])
224 # ARCH_MAX reflects the most that this CPU can do: for example if it
225 # is a 64-bit capable PowerPC, then it must be set to ppc64 and not ppc32.
226 # Ditto for amd64. It is used for more configuration below, but is not used
227 # outside this file.
228 #
229 # Power PC returns powerpc for Big Endian. This was not changed when Little
230 # Endian support was added to the 64-bit architecture. The 64-bit Little
231 # Endian systems explicitly state le in the host_cpu. For clarity in the
232 # Valgrind code, the ARCH_MAX name will state LE or BE for the endianness of
233 # the 64-bit system. Big Endian is the only mode supported on 32-bit Power PC.
234 # The abreviation PPC or ppc refers to 32-bit and 64-bit systems with either
235 # Endianness. The name PPC64 or ppc64 to 64-bit systems of either Endianness.
236 # The names ppc64be or PPC64BE refer to only 64-bit systems that are Big
237 # Endian. Similarly, ppc64le or PPC64LE refer to only 64-bit systems that are
238 # Little Endian.
240 VGCONF_PLATFORM_ARM_ARCH=
242 case "${host_cpu}" in
243 i?86)
244 AC_MSG_RESULT([ok (${host_cpu})])
245 ARCH_MAX="x86"
246 ;;
248 x86_64|amd64)
249 AC_MSG_RESULT([ok (${host_cpu})])
250 ARCH_MAX="amd64"
251 ;;
253 powerpc64)
254 # this only referrs to 64-bit Big Endian
255 AC_MSG_RESULT([ok (${host_cpu})])
256 ARCH_MAX="ppc64be"
257 ;;
259 powerpc64le)
260 # this only referrs to 64-bit Little Endian
261 AC_MSG_RESULT([ok (${host_cpu})])
262 ARCH_MAX="ppc64le"
263 ;;
265 powerpc)
266 # On Linux this means only a 32-bit capable CPU.
267 AC_MSG_RESULT([ok (${host_cpu})])
268 ARCH_MAX="ppc32"
269 ;;
271 s390x)
272 AC_MSG_RESULT([ok (${host_cpu})])
273 ARCH_MAX="s390x"
274 ;;
276 armv8*)
277 AC_MSG_RESULT([ok (${host_cpu})])
278 VGCONF_PLATFORM_ARM_ARCH="-marm -mcpu=cortex-a8"
279 ARCH_MAX="arm"
280 ;;
282 armv7*)
283 AC_MSG_RESULT([ok (${host_cpu})])
284 VGCONF_PLATFORM_ARM_ARCH="-marm -mcpu=cortex-a8"
285 ARCH_MAX="arm"
286 ;;
288 arm*)
289 AC_MSG_RESULT([ok (${host_cpu})])
290 VGCONF_PLATFORM_ARM_ARCH="-march=armv6"
291 ARCH_MAX="arm"
292 ;;
294 aarch64*)
295 AC_MSG_RESULT([ok (${host_cpu})])
296 ARCH_MAX="arm64"
297 ;;
299 mips)
300 AC_MSG_RESULT([ok (${host_cpu})])
301 ARCH_MAX="mips32"
302 ;;
304 mipsel)
305 AC_MSG_RESULT([ok (${host_cpu})])
306 ARCH_MAX="mips32"
307 ;;
309 mipsisa32r2)
310 AC_MSG_RESULT([ok (${host_cpu})])
311 ARCH_MAX="mips32"
312 ;;
314 mips64*)
315 AC_MSG_RESULT([ok (${host_cpu})])
316 ARCH_MAX="mips64"
317 ;;
319 mipsisa64*)
320 AC_MSG_RESULT([ok (${host_cpu})])
321 ARCH_MAX="mips64"
322 ;;
323 nanomips)
324 AC_MSG_RESULT([ok (${host_cpu})])
325 ARCH_MAX="nanomips"
326 ;;
328 *)
329 AC_MSG_RESULT([no (${host_cpu})])
330 AC_MSG_ERROR([Unsupported host architecture. Sorry])
331 ;;
332 esac
334 AC_SUBST(VGCONF_PLATFORM_ARM_ARCH)
336 #----------------------------------------------------------------------------
338 # Sometimes it's convenient to subvert the bi-arch build system and
339 # just have a single build even though the underlying platform is
340 # capable of both. Hence handle --enable-only64bit and
341 # --enable-only32bit. Complain if both are issued :-)
342 # [Actually, if either of these options are used, I think both get built,
343 # but only one gets installed. So if you use an in-place build, both can be
344 # used. --njn]
346 # Check if a 64-bit only build has been requested
347 AC_CACHE_CHECK([for a 64-bit only build], vg_cv_only64bit,
348 [AC_ARG_ENABLE(only64bit,
349 [ --enable-only64bit do a 64-bit only build],
350 [vg_cv_only64bit=$enableval],
351 [vg_cv_only64bit=no])])
353 # Check if a 32-bit only build has been requested
354 AC_CACHE_CHECK([for a 32-bit only build], vg_cv_only32bit,
355 [AC_ARG_ENABLE(only32bit,
356 [ --enable-only32bit do a 32-bit only build],
357 [vg_cv_only32bit=$enableval],
358 [vg_cv_only32bit=no])])
360 # Stay sane
361 if test x$vg_cv_only64bit = xyes -a x$vg_cv_only32bit = xyes; then
362 AC_MSG_ERROR(
363 [Nonsensical: both --enable-only64bit and --enable-only32bit.])
364 fi
366 #----------------------------------------------------------------------------
368 # VGCONF_OS is the primary build OS, eg. "linux". It is passed in to
369 # compilation of many C files via -VGO_$(VGCONF_OS) and
370 # -VGP_$(VGCONF_ARCH_PRI)_$(VGCONF_OS).
371 AC_MSG_CHECKING([for a supported OS])
372 AC_SUBST(VGCONF_OS)
374 DEFAULT_SUPP=""
376 case "${host_os}" in
377 *linux*)
378 AC_MSG_RESULT([ok (${host_os})])
379 VGCONF_OS="linux"
381 # Ok, this is linux. Check the kernel version
382 AC_MSG_CHECKING([for the kernel version])
384 kernel=`uname -r`
386 case "${kernel}" in
387 0.*|1.*|2.0.*|2.1.*|2.2.*|2.3.*|2.4.*|2.5.*)
388 AC_MSG_RESULT([unsupported (${kernel})])
389 AC_MSG_ERROR([Valgrind needs a Linux kernel >= 2.6])
390 ;;
392 *)
393 AC_MSG_RESULT([2.6 or later (${kernel})])
394 ;;
395 esac
397 ;;
399 *freebsd*)
400 AC_MSG_RESULT([ok (${host_os})])
401 VGCONF_OS="freebsd"
402 AC_DEFINE([FREEBSD_10], 1000, [FREEBSD_VERS value for FreeBSD 10.x])
403 freebsd_10=1000
404 AC_DEFINE([FREEBSD_11], 1100, [FREEBSD_VERS value for FreeBSD 11.x])
405 freebsd_11=1100
406 AC_DEFINE([FREEBSD_12], 1200, [FREEBSD_VERS value for FreeBSD 12.0 to 12.1])
407 freebsd_12=1200
408 AC_DEFINE([FREEBSD_12_2], 1220, [FREEBSD_VERS value for FreeBSD 12.2])
409 freebsd_12_2=1220
410 AC_DEFINE([FREEBSD_13_0], 1300, [FREEBSD_VERS value for FreeBSD 13.0])
411 freebsd_13_0=1300
412 AC_DEFINE([FREEBSD_13_1], 1310, [FREEBSD_VERS value for FreeBSD 13.1])
413 freebsd_13_1=1310
414 AC_DEFINE([FREEBSD_13_2], 1320, [FREEBSD_VERS value for FreeBSD 13.2])
415 freebsd_13_2=1320
416 AC_DEFINE([FREEBSD_13_3], 1330, [FREEBSD_VERS value for FreeBSD 13.3])
417 freebsd_13_3=1330
418 AC_DEFINE([FREEBSD_14_0], 1400, [FREEBSD_VERS value for FreeBSD 14.0])
419 freebsd_14_0=1400
420 AC_DEFINE([FREEBSD_14_1], 1410, [FREEBSD_VERS value for FreeBSD 14.1])
421 freebsd_14_1=1410
422 AC_DEFINE([FREEBSD_15], 1500, [FREEBSD_VERS value for FreeBSD 15.x])
423 freebsd_15=1500
425 AC_MSG_CHECKING([for the kernel version])
426 kernel=`uname -r`
428 case "${kernel}" in
429 10.*)
430 AC_MSG_RESULT([FreeBSD 10.x (${kernel})])
431 AC_DEFINE([FREEBSD_VERS], FREEBSD_10, [FreeBSD version])
432 freebsd_vers=$freebsd_10
433 ;;
434 11.*)
435 AC_MSG_RESULT([FreeBSD 11.x (${kernel})])
436 AC_DEFINE([FREEBSD_VERS], FREEBSD_11, [FreeBSD version])
437 freebsd_vers=$freebsd_11
438 ;;
439 12.*)
440 case "${kernel}" in
441 12.[[0-1]]-*)
442 AC_MSG_RESULT([FreeBSD 12.x (${kernel})])
443 AC_DEFINE([FREEBSD_VERS], FREEBSD_12, [FreeBSD version])
444 freebsd_vers=$freebsd_12
445 ;;
446 *)
447 AC_MSG_RESULT([FreeBSD 12.x (${kernel})])
448 AC_DEFINE([FREEBSD_VERS], FREEBSD_12_2, [FreeBSD version])
449 freebsd_vers=$freebsd_12_2
450 ;;
451 esac
452 ;;
453 13.*)
454 case "${kernel}" in
455 13.0-*)
456 AC_MSG_RESULT([FreeBSD 13.0 (${kernel})])
457 AC_DEFINE([FREEBSD_VERS], FREEBSD_13_0, [FreeBSD version])
458 freebsd_vers=$freebsd_13_0
459 ;;
460 13.1-*)
461 AC_MSG_RESULT([FreeBSD 13.1 (${kernel})])
462 AC_DEFINE([FREEBSD_VERS], FREEBSD_13_1, [FreeBSD version])
463 freebsd_vers=$freebsd_13_1
464 ;;
465 13.2-*)
466 AC_MSG_RESULT([FreeBSD 13.2 (${kernel})])
467 AC_DEFINE([FREEBSD_VERS], FREEBSD_13_2, [FreeBSD version])
468 freebsd_vers=$freebsd_13_2
469 ;;
470 13.3-*)
471 AC_MSG_RESULT([FreeBSD 13.3 (${kernel})])
472 AC_DEFINE([FREEBSD_VERS], FREEBSD_13_3, [FreeBSD version])
473 freebsd_vers=$freebsd_13_3
474 ;;
475 *)
476 AC_MSG_RESULT([unsupported (${kernel})])
477 AC_MSG_ERROR([Valgrind works on FreeBSD 10.x to 15.x])
478 ;;
479 esac
480 ;;
481 14.*)
482 case "${kernel}" in
483 14.0-*)
484 AC_MSG_RESULT([FreeBSD 14.0 (${kernel})])
485 AC_DEFINE([FREEBSD_VERS], FREEBSD_14_0, [FreeBSD version])
486 freebsd_vers=$freebsd_14_0
487 ;;
488 14.1-*)
489 AC_MSG_RESULT([FreeBSD 14.1 (${kernel})])
490 AC_DEFINE([FREEBSD_VERS], FREEBSD_14_1, [FreeBSD version])
491 freebsd_vers=$freebsd_14_1
492 ;;
493 *)
494 AC_MSG_RESULT([unsupported (${kernel})])
495 AC_MSG_ERROR([Valgrind works on FreeBSD 10.x to 15.x])
496 ;;
497 esac
498 ;;
499 15.*)
500 AC_MSG_RESULT([FreeBSD 15.x (${kernel})])
501 AC_DEFINE([FREEBSD_VERS], FREEBSD_15, [FreeBSD version])
502 freebsd_vers=$freebsd_15
503 ;;
504 *)
505 AC_MSG_RESULT([unsupported (${kernel})])
506 AC_MSG_ERROR([Valgrind works on FreeBSD 10.x to 15.x])
507 ;;
508 esac
510 DEFAULT_SUPP="$srcdir/freebsd.supp $srcdir/freebsd-helgrind.supp $srcdir/freebsd-drd.supp ${DEFAULT_SUPP}"
511 ;;
513 *darwin*)
514 AC_MSG_RESULT([ok (${host_os})])
515 VGCONF_OS="darwin"
516 AC_DEFINE([DARWIN_10_5], 100500, [DARWIN_VERS value for Mac OS X 10.5])
517 AC_DEFINE([DARWIN_10_6], 100600, [DARWIN_VERS value for Mac OS X 10.6])
518 AC_DEFINE([DARWIN_10_7], 100700, [DARWIN_VERS value for Mac OS X 10.7])
519 AC_DEFINE([DARWIN_10_8], 100800, [DARWIN_VERS value for Mac OS X 10.8])
520 AC_DEFINE([DARWIN_10_9], 100900, [DARWIN_VERS value for Mac OS X 10.9])
521 AC_DEFINE([DARWIN_10_10], 101000, [DARWIN_VERS value for Mac OS X 10.10])
522 AC_DEFINE([DARWIN_10_11], 101100, [DARWIN_VERS value for Mac OS X 10.11])
523 AC_DEFINE([DARWIN_10_12], 101200, [DARWIN_VERS value for macOS 10.12])
524 AC_DEFINE([DARWIN_10_13], 101300, [DARWIN_VERS value for macOS 10.13])
526 AC_MSG_CHECKING([for the kernel version])
527 kernel=`uname -r`
529 # Nb: for Darwin we set DEFAULT_SUPP here. That's because Darwin
530 # has only one relevant version, the OS version. The `uname` check
531 # is a good way to get that version (i.e. "Darwin 9.6.0" is Mac OS
532 # X 10.5.6, and "Darwin 10.x" is Mac OS X 10.6.x Snow Leopard,
533 # and possibly "Darwin 11.x" is Mac OS X 10.7.x Lion),
534 # and we don't know of an macros similar to __GLIBC__ to get that info.
535 #
536 # XXX: `uname -r` won't do the right thing for cross-compiles, but
537 # that's not a problem yet.
538 #
539 # jseward 21 Sept 2011: I seriously doubt whether V 3.7.0 will work
540 # on OS X 10.5.x; I haven't tested yet, and only plan to test 3.7.0
541 # on 10.6.8 and 10.7.1. Although tempted to delete the configure
542 # time support for 10.5 (the 9.* pattern just below), I'll leave it
543 # in for now, just in case anybody wants to give it a try. But I'm
544 # assuming that 3.7.0 is a Snow Leopard and Lion-only release.
545 case "${kernel}" in
546 9.*)
547 AC_MSG_RESULT([Darwin 9.x (${kernel}) / Mac OS X 10.5 Leopard])
548 AC_DEFINE([DARWIN_VERS], DARWIN_10_5, [Darwin / Mac OS X version])
549 DEFAULT_SUPP="$srcdir/darwin9.supp ${DEFAULT_SUPP}"
550 DEFAULT_SUPP="$srcdir/darwin9-drd.supp ${DEFAULT_SUPP}"
551 ;;
552 10.*)
553 AC_MSG_RESULT([Darwin 10.x (${kernel}) / Mac OS X 10.6 Snow Leopard])
554 AC_DEFINE([DARWIN_VERS], DARWIN_10_6, [Darwin / Mac OS X version])
555 DEFAULT_SUPP="$srcdir/darwin10.supp ${DEFAULT_SUPP}"
556 DEFAULT_SUPP="$srcdir/darwin10-drd.supp ${DEFAULT_SUPP}"
557 ;;
558 11.*)
559 AC_MSG_RESULT([Darwin 11.x (${kernel}) / Mac OS X 10.7 Lion])
560 AC_DEFINE([DARWIN_VERS], DARWIN_10_7, [Darwin / Mac OS X version])
561 DEFAULT_SUPP="$srcdir/darwin11.supp ${DEFAULT_SUPP}"
562 DEFAULT_SUPP="$srcdir/darwin10-drd.supp ${DEFAULT_SUPP}"
563 ;;
564 12.*)
565 AC_MSG_RESULT([Darwin 12.x (${kernel}) / Mac OS X 10.8 Mountain Lion])
566 AC_DEFINE([DARWIN_VERS], DARWIN_10_8, [Darwin / Mac OS X version])
567 DEFAULT_SUPP="$srcdir/darwin12.supp ${DEFAULT_SUPP}"
568 DEFAULT_SUPP="$srcdir/darwin10-drd.supp ${DEFAULT_SUPP}"
569 ;;
570 13.*)
571 AC_MSG_RESULT([Darwin 13.x (${kernel}) / Mac OS X 10.9 Mavericks])
572 AC_DEFINE([DARWIN_VERS], DARWIN_10_9, [Darwin / Mac OS X version])
573 DEFAULT_SUPP="$srcdir/darwin13.supp ${DEFAULT_SUPP}"
574 DEFAULT_SUPP="$srcdir/darwin10-drd.supp ${DEFAULT_SUPP}"
575 ;;
576 14.*)
577 AC_MSG_RESULT([Darwin 14.x (${kernel}) / Mac OS X 10.10 Yosemite])
578 AC_DEFINE([DARWIN_VERS], DARWIN_10_10, [Darwin / Mac OS X version])
579 DEFAULT_SUPP="$srcdir/darwin14.supp ${DEFAULT_SUPP}"
580 DEFAULT_SUPP="$srcdir/darwin10-drd.supp ${DEFAULT_SUPP}"
581 ;;
582 15.*)
583 AC_MSG_RESULT([Darwin 15.x (${kernel}) / Mac OS X 10.11 El Capitan])
584 AC_DEFINE([DARWIN_VERS], DARWIN_10_11, [Darwin / Mac OS X version])
585 DEFAULT_SUPP="$srcdir/darwin15.supp ${DEFAULT_SUPP}"
586 DEFAULT_SUPP="$srcdir/darwin10-drd.supp ${DEFAULT_SUPP}"
587 ;;
588 16.*)
589 AC_MSG_RESULT([Darwin 16.x (${kernel}) / macOS 10.12 Sierra])
590 AC_DEFINE([DARWIN_VERS], DARWIN_10_12, [Darwin / Mac OS X version])
591 DEFAULT_SUPP="$srcdir/darwin16.supp ${DEFAULT_SUPP}"
592 DEFAULT_SUPP="$srcdir/darwin10-drd.supp ${DEFAULT_SUPP}"
593 ;;
594 17.*)
595 AC_MSG_RESULT([Darwin 17.x (${kernel}) / macOS 10.13 High Sierra])
596 AC_DEFINE([DARWIN_VERS], DARWIN_10_13, [Darwin / Mac OS X version])
597 DEFAULT_SUPP="$srcdir/darwin17.supp ${DEFAULT_SUPP}"
598 DEFAULT_SUPP="$srcdir/darwin10-drd.supp ${DEFAULT_SUPP}"
599 ;;
600 *)
601 AC_MSG_RESULT([unsupported (${kernel})])
602 AC_MSG_ERROR([Valgrind works on Darwin 10.x, 11.x, 12.x, 13.x, 14.x, 15.x, 16.x and 17.x (Mac OS X 10.6/7/8/9/10/11 and macOS 10.12/13)])
603 ;;
604 esac
605 ;;
607 solaris2.11*)
608 AC_MSG_RESULT([ok (${host_os})])
609 VGCONF_OS="solaris"
611 uname_v=$( uname -v )
612 case "$uname_v" in
613 11.4.*)
614 DEFAULT_SUPP="$srcdir/solaris12.supp ${DEFAULT_SUPP}"
615 ;;
616 *)
617 DEFAULT_SUPP="$srcdir/solaris11.supp ${DEFAULT_SUPP}"
618 ;;
619 esac
620 ;;
622 solaris2.12*)
623 AC_MSG_RESULT([ok (${host_os})])
624 VGCONF_OS="solaris"
625 DEFAULT_SUPP="$srcdir/solaris12.supp ${DEFAULT_SUPP}"
626 ;;
628 *)
629 AC_MSG_RESULT([no (${host_os})])
630 AC_MSG_ERROR([Valgrind is operating system specific. Sorry.])
631 ;;
632 esac
634 #----------------------------------------------------------------------------
636 # If we are building on a 64 bit platform test to see if the system
637 # supports building 32 bit programs and disable 32 bit support if it
638 # does not support building 32 bit programs
640 case "$ARCH_MAX-$VGCONF_OS" in
641 amd64-linux|ppc64be-linux|arm64-linux|amd64-solaris)
642 AC_MSG_CHECKING([for 32 bit build support])
643 safe_CFLAGS=$CFLAGS
644 CFLAGS="-m32"
645 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
646 return 0;
647 ]])], [
648 AC_MSG_RESULT([yes])
649 ], [
650 vg_cv_only64bit="yes"
651 AC_MSG_RESULT([no])
652 ])
653 CFLAGS=$safe_CFLAGS;;
654 mips64-linux)
655 AC_MSG_CHECKING([for 32 bit build support])
656 safe_CFLAGS=$CFLAGS
657 CFLAGS="$CFLAGS -mips32 -mabi=32"
658 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
659 #include <sys/prctl.h>
660 ]], [[]])], [
661 AC_MSG_RESULT([yes])
662 ], [
663 vg_cv_only64bit="yes"
664 AC_MSG_RESULT([no])
665 ])
666 CFLAGS=$safe_CFLAGS;;
667 esac
669 if test x$vg_cv_only64bit = xyes -a x$vg_cv_only32bit = xyes; then
670 AC_MSG_ERROR(
671 [--enable-only32bit was specified but system does not support 32 bit builds])
672 fi
674 #----------------------------------------------------------------------------
676 # VGCONF_ARCH_PRI is the arch for the primary build target, eg. "amd64". By
677 # default it's the same as ARCH_MAX. But if, say, we do a build on an amd64
678 # machine, but --enable-only32bit has been requested, then ARCH_MAX (see
679 # above) will be "amd64" since that reflects the most that this cpu can do,
680 # but VGCONF_ARCH_PRI will be downgraded to "x86", since that reflects the
681 # arch corresponding to the primary build (VGCONF_PLATFORM_PRI_CAPS). It is
682 # passed in to compilation of many C files via -VGA_$(VGCONF_ARCH_PRI) and
683 # -VGP_$(VGCONF_ARCH_PRI)_$(VGCONF_OS).
684 AC_SUBST(VGCONF_ARCH_PRI)
686 # VGCONF_ARCH_SEC is the arch for the secondary build target, eg. "x86".
687 # It is passed in to compilation of many C files via -VGA_$(VGCONF_ARCH_SEC)
688 # and -VGP_$(VGCONF_ARCH_SEC)_$(VGCONF_OS), if there is a secondary target.
689 # It is empty if there is no secondary target.
690 AC_SUBST(VGCONF_ARCH_SEC)
692 # VGCONF_PLATFORM_PRI_CAPS is the primary build target, eg. "AMD64_LINUX".
693 # The entire system, including regression and performance tests, will be
694 # built for this target. The "_CAPS" indicates that the name is in capital
695 # letters, and it also uses '_' rather than '-' as a separator, because it's
696 # used to create various Makefile variables, which are all in caps by
697 # convention and cannot contain '-' characters. This is in contrast to
698 # VGCONF_ARCH_PRI and VGCONF_OS which are not in caps.
699 AC_SUBST(VGCONF_PLATFORM_PRI_CAPS)
701 # VGCONF_PLATFORM_SEC_CAPS is the secondary build target, if there is one.
702 # Valgrind and tools will also be built for this target, but not the
703 # regression or performance tests.
704 #
705 # By default, the primary arch is the same as the "max" arch, as commented
706 # above (at the definition of ARCH_MAX). We may choose to downgrade it in
707 # the big case statement just below here, in the case where we're building
708 # on a 64 bit machine but have been requested only to do a 32 bit build.
709 AC_SUBST(VGCONF_PLATFORM_SEC_CAPS)
711 AC_MSG_CHECKING([for a supported CPU/OS combination])
713 # NB. The load address for a given platform may be specified in more
714 # than one place, in some cases, depending on whether we're doing a biarch,
715 # 32-bit only or 64-bit only build. eg see case for amd64-linux below.
716 # Be careful to give consistent values in all subcases. Also, all four
717 # valt_load_addres_{pri,sec}_{norml,inner} values must always be set,
718 # even if it is to "0xUNSET".
719 #
720 case "$ARCH_MAX-$VGCONF_OS" in
721 x86-linux)
722 VGCONF_ARCH_PRI="x86"
723 VGCONF_ARCH_SEC=""
724 VGCONF_PLATFORM_PRI_CAPS="X86_LINUX"
725 VGCONF_PLATFORM_SEC_CAPS=""
726 valt_load_address_pri_norml="0x58000000"
727 valt_load_address_pri_inner="0x38000000"
728 valt_load_address_sec_norml="0xUNSET"
729 valt_load_address_sec_inner="0xUNSET"
730 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
731 ;;
732 amd64-linux)
733 valt_load_address_sec_norml="0xUNSET"
734 valt_load_address_sec_inner="0xUNSET"
735 if test x$vg_cv_only64bit = xyes; then
736 VGCONF_ARCH_PRI="amd64"
737 VGCONF_ARCH_SEC=""
738 VGCONF_PLATFORM_PRI_CAPS="AMD64_LINUX"
739 VGCONF_PLATFORM_SEC_CAPS=""
740 valt_load_address_pri_norml="0x58000000"
741 valt_load_address_pri_inner="0x38000000"
742 elif test x$vg_cv_only32bit = xyes; then
743 VGCONF_ARCH_PRI="x86"
744 VGCONF_ARCH_SEC=""
745 VGCONF_PLATFORM_PRI_CAPS="X86_LINUX"
746 VGCONF_PLATFORM_SEC_CAPS=""
747 valt_load_address_pri_norml="0x58000000"
748 valt_load_address_pri_inner="0x38000000"
749 else
750 VGCONF_ARCH_PRI="amd64"
751 VGCONF_ARCH_SEC="x86"
752 VGCONF_PLATFORM_PRI_CAPS="AMD64_LINUX"
753 VGCONF_PLATFORM_SEC_CAPS="X86_LINUX"
754 valt_load_address_pri_norml="0x58000000"
755 valt_load_address_pri_inner="0x38000000"
756 valt_load_address_sec_norml="0x58000000"
757 valt_load_address_sec_inner="0x38000000"
758 fi
759 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
760 ;;
761 ppc32-linux)
762 VGCONF_ARCH_PRI="ppc32"
763 VGCONF_ARCH_SEC=""
764 VGCONF_PLATFORM_PRI_CAPS="PPC32_LINUX"
765 VGCONF_PLATFORM_SEC_CAPS=""
766 valt_load_address_pri_norml="0x58000000"
767 valt_load_address_pri_inner="0x38000000"
768 valt_load_address_sec_norml="0xUNSET"
769 valt_load_address_sec_inner="0xUNSET"
770 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
771 ;;
772 ppc64be-linux)
773 valt_load_address_sec_norml="0xUNSET"
774 valt_load_address_sec_inner="0xUNSET"
775 if test x$vg_cv_only64bit = xyes; then
776 VGCONF_ARCH_PRI="ppc64be"
777 VGCONF_ARCH_SEC=""
778 VGCONF_PLATFORM_PRI_CAPS="PPC64BE_LINUX"
779 VGCONF_PLATFORM_SEC_CAPS=""
780 valt_load_address_pri_norml="0x58000000"
781 valt_load_address_pri_inner="0x38000000"
782 elif test x$vg_cv_only32bit = xyes; then
783 VGCONF_ARCH_PRI="ppc32"
784 VGCONF_ARCH_SEC=""
785 VGCONF_PLATFORM_PRI_CAPS="PPC32_LINUX"
786 VGCONF_PLATFORM_SEC_CAPS=""
787 valt_load_address_pri_norml="0x58000000"
788 valt_load_address_pri_inner="0x38000000"
789 else
790 VGCONF_ARCH_PRI="ppc64be"
791 VGCONF_ARCH_SEC="ppc32"
792 VGCONF_PLATFORM_PRI_CAPS="PPC64BE_LINUX"
793 VGCONF_PLATFORM_SEC_CAPS="PPC32_LINUX"
794 valt_load_address_pri_norml="0x58000000"
795 valt_load_address_pri_inner="0x38000000"
796 valt_load_address_sec_norml="0x58000000"
797 valt_load_address_sec_inner="0x38000000"
798 fi
799 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
800 ;;
801 ppc64le-linux)
802 # Little Endian is only supported on PPC64
803 valt_load_address_sec_norml="0xUNSET"
804 valt_load_address_sec_inner="0xUNSET"
805 VGCONF_ARCH_PRI="ppc64le"
806 VGCONF_ARCH_SEC=""
807 VGCONF_PLATFORM_PRI_CAPS="PPC64LE_LINUX"
808 VGCONF_PLATFORM_SEC_CAPS=""
809 valt_load_address_pri_norml="0x58000000"
810 valt_load_address_pri_inner="0x38000000"
811 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
812 ;;
813 x86-freebsd)
814 VGCONF_ARCH_PRI="x86"
815 VGCONF_ARCH_SEC=""
816 VGCONF_PLATFORM_PRI_CAPS="X86_FREEBSD"
817 VGCONF_PLATFORM_SEC_CAPS=""
818 valt_load_address_pri_norml="0x38000000"
819 valt_load_address_pri_inner="0x28000000"
820 valt_load_address_sec_norml="0xUNSET"
821 valt_load_address_sec_inner="0xUNSET"
822 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
823 ;;
824 amd64-freebsd)
825 if test x$vg_cv_only64bit = xyes; then
826 VGCONF_ARCH_PRI="amd64"
827 VGCONF_ARCH_SEC=""
828 VGCONF_PLATFORM_PRI_CAPS="AMD64_FREEBSD"
829 VGCONF_PLATFORM_SEC_CAPS=""
830 elif test x$vg_cv_only32bit = xyes; then
831 VGCONF_ARCH_PRI="x86"
832 VGCONF_ARCH_SEC=""
833 VGCONF_PLATFORM_PRI_CAPS="X86_FREEBSD"
834 VGCONF_PLATFORM_SEC_CAPS=""
835 else
836 VGCONF_ARCH_PRI="amd64"
837 VGCONF_ARCH_SEC="x86"
838 VGCONF_PLATFORM_PRI_CAPS="AMD64_FREEBSD"
839 VGCONF_PLATFORM_SEC_CAPS="X86_FREEBSD"
840 fi
841 # These work with either base clang or ports installed gcc
842 # Hand rolled compilers probably need INSTALL_DIR/lib (at least for gcc)
843 if test x$is_clang = xclang ; then
844 FLAG_32ON64="-B/usr/lib32"
845 else
846 GCC_MAJOR_VERSION=`${CC} -dumpversion | $SED 's/\..*//' 2>/dev/null`
847 FLAG_32ON64="-B/usr/local/lib32/gcc${GCC_MAJOR_VERSION} -Wl,-rpath,/usr/local/lib32/gcc${GCC_MAJOR_VERSION}/"
848 FLAG_32ON64_GXX="-L/usr/local/lib32/gcc${GCC_MAJOR_VERSION} -lgcc_s"
849 AC_SUBST(FLAG_32ON64_GXX)
850 fi
851 valt_load_address_pri_norml="0x38000000"
852 valt_load_address_pri_inner="0x28000000"
853 valt_load_address_sec_norml="0x38000000"
854 valt_load_address_sec_inner="0x28000000"
855 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
856 ;;
857 arm64-freebsd)
858 VGCONF_ARCH_PRI="arm64"
859 VGCONF_ARCH_SEC=""
860 VGCONF_PLATFORM_PRI_CAPS="ARM64_FREEBSD"
861 VGCONF_PLATFORM_SEC_CAPS=""
862 valt_load_address_pri_norml="0x38000000"
863 valt_load_address_pri_inner="0x28000000"
864 valt_load_address_sec_norml="0xUNSET"
865 valt_load_address_sec_inner="0xUNSET"
866 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
867 ;;
868 # Darwin gets identified as 32-bit even when it supports 64-bit.
869 # (Not sure why, possibly because 'uname' returns "i386"?) Just about
870 # all Macs support both 32-bit and 64-bit, so we just build both. If
871 # someone has a really old 32-bit only machine they can (hopefully?)
872 # build with --enable-only32bit. See bug 243362.
873 x86-darwin|amd64-darwin)
874 ARCH_MAX="amd64"
875 valt_load_address_sec_norml="0xUNSET"
876 valt_load_address_sec_inner="0xUNSET"
877 if test x$vg_cv_only64bit = xyes; then
878 VGCONF_ARCH_PRI="amd64"
879 VGCONF_ARCH_SEC=""
880 VGCONF_PLATFORM_PRI_CAPS="AMD64_DARWIN"
881 VGCONF_PLATFORM_SEC_CAPS=""
882 valt_load_address_pri_norml="0x158000000"
883 valt_load_address_pri_inner="0x138000000"
884 elif test x$vg_cv_only32bit = xyes; then
885 VGCONF_ARCH_PRI="x86"
886 VGCONF_ARCH_SEC=""
887 VGCONF_PLATFORM_PRI_CAPS="X86_DARWIN"
888 VGCONF_PLATFORM_SEC_CAPS=""
889 VGCONF_ARCH_PRI_CAPS="x86"
890 valt_load_address_pri_norml="0x58000000"
891 valt_load_address_pri_inner="0x38000000"
892 else
893 VGCONF_ARCH_PRI="amd64"
894 VGCONF_ARCH_SEC="x86"
895 VGCONF_PLATFORM_PRI_CAPS="AMD64_DARWIN"
896 VGCONF_PLATFORM_SEC_CAPS="X86_DARWIN"
897 valt_load_address_pri_norml="0x158000000"
898 valt_load_address_pri_inner="0x138000000"
899 valt_load_address_sec_norml="0x58000000"
900 valt_load_address_sec_inner="0x38000000"
901 fi
902 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
903 ;;
904 arm-linux)
905 VGCONF_ARCH_PRI="arm"
906 VGCONF_PLATFORM_PRI_CAPS="ARM_LINUX"
907 VGCONF_PLATFORM_SEC_CAPS=""
908 valt_load_address_pri_norml="0x58000000"
909 valt_load_address_pri_inner="0x38000000"
910 valt_load_address_sec_norml="0xUNSET"
911 valt_load_address_sec_inner="0xUNSET"
912 AC_MSG_RESULT([ok (${host_cpu}-${host_os})])
913 ;;
914 arm64-linux)
915 valt_load_address_sec_norml="0xUNSET"
916 valt_load_address_sec_inner="0xUNSET"
917 if test x$vg_cv_only64bit = xyes; then
918 VGCONF_ARCH_PRI="arm64"
919 VGCONF_ARCH_SEC=""
920 VGCONF_PLATFORM_PRI_CAPS="ARM64_LINUX"
921 VGCONF_PLATFORM_SEC_CAPS=""
922 valt_load_address_pri_norml="0x58000000"
923 valt_load_address_pri_inner="0x38000000"
924 elif test x$vg_cv_only32bit = xyes; then
925 VGCONF_ARCH_PRI="arm"
926 VGCONF_ARCH_SEC=""
927 VGCONF_PLATFORM_PRI_CAPS="ARM_LINUX"
928 VGCONF_PLATFORM_SEC_CAPS=""
929 valt_load_address_pri_norml="0x58000000"
930 valt_load_address_pri_inner="0x38000000"
931 else
932 VGCONF_ARCH_PRI="arm64"
933 VGCONF_ARCH_SEC="arm"
934 VGCONF_PLATFORM_PRI_CAPS="ARM64_LINUX"
935 VGCONF_PLATFORM_SEC_CAPS="ARM_LINUX"
936 valt_load_address_pri_norml="0x58000000"
937 valt_load_address_pri_inner="0x38000000"
938 valt_load_address_sec_norml="0x58000000"
939 valt_load_address_sec_inner="0x38000000"
940 fi
941 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
942 ;;
943 s390x-linux)
944 VGCONF_ARCH_PRI="s390x"
945 VGCONF_ARCH_SEC=""
946 VGCONF_PLATFORM_PRI_CAPS="S390X_LINUX"
947 VGCONF_PLATFORM_SEC_CAPS=""
948 # To improve branch prediction hit rate we want to have
949 # the generated code close to valgrind (host) code
950 valt_load_address_pri_norml="0x800000000"
951 valt_load_address_pri_inner="0x810000000"
952 valt_load_address_sec_norml="0xUNSET"
953 valt_load_address_sec_inner="0xUNSET"
954 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
955 ;;
956 mips32-linux)
957 VGCONF_ARCH_PRI="mips32"
958 VGCONF_ARCH_SEC=""
959 VGCONF_PLATFORM_PRI_CAPS="MIPS32_LINUX"
960 VGCONF_PLATFORM_SEC_CAPS=""
961 valt_load_address_pri_norml="0x58000000"
962 valt_load_address_pri_inner="0x38000000"
963 valt_load_address_sec_norml="0xUNSET"
964 valt_load_address_sec_inner="0xUNSET"
965 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
966 ;;
967 mips64-linux)
968 valt_load_address_sec_norml="0xUNSET"
969 valt_load_address_sec_inner="0xUNSET"
970 if test x$vg_cv_only64bit = xyes; then
971 VGCONF_ARCH_PRI="mips64"
972 VGCONF_PLATFORM_SEC_CAPS=""
973 VGCONF_PLATFORM_PRI_CAPS="MIPS64_LINUX"
974 VGCONF_PLATFORM_SEC_CAPS=""
975 valt_load_address_pri_norml="0x58000000"
976 valt_load_address_pri_inner="0x38000000"
977 elif test x$vg_cv_only32bit = xyes; then
978 VGCONF_ARCH_PRI="mips32"
979 VGCONF_ARCH_SEC=""
980 VGCONF_PLATFORM_PRI_CAPS="MIPS32_LINUX"
981 VGCONF_PLATFORM_SEC_CAPS=""
982 valt_load_address_pri_norml="0x58000000"
983 valt_load_address_pri_inner="0x38000000"
984 else
985 VGCONF_ARCH_PRI="mips64"
986 VGCONF_ARCH_SEC="mips32"
987 VGCONF_PLATFORM_PRI_CAPS="MIPS64_LINUX"
988 VGCONF_PLATFORM_SEC_CAPS="MIPS32_LINUX"
989 valt_load_address_pri_norml="0x58000000"
990 valt_load_address_pri_inner="0x38000000"
991 valt_load_address_sec_norml="0x58000000"
992 valt_load_address_sec_inner="0x38000000"
993 fi
994 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
995 ;;
996 nanomips-linux)
997 VGCONF_ARCH_PRI="nanomips"
998 VGCONF_ARCH_SEC=""
999 VGCONF_PLATFORM_PRI_CAPS="NANOMIPS_LINUX"
1000 VGCONF_PLATFORM_SEC_CAPS=""
1001 valt_load_address_pri_norml="0x58000000"
1002 valt_load_address_pri_inner="0x38000000"
1003 valt_load_address_sec_norml="0xUNSET"
1004 valt_load_address_sec_inner="0xUNSET"
1005 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
1006 ;;
1007 x86-solaris)
1008 VGCONF_ARCH_PRI="x86"
1009 VGCONF_ARCH_SEC=""
1010 VGCONF_PLATFORM_PRI_CAPS="X86_SOLARIS"
1011 VGCONF_PLATFORM_SEC_CAPS=""
1012 valt_load_address_pri_norml="0x58000000"
1013 valt_load_address_pri_inner="0x38000000"
1014 valt_load_address_sec_norml="0xUNSET"
1015 valt_load_address_sec_inner="0xUNSET"
1016 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
1017 ;;
1018 amd64-solaris)
1019 valt_load_address_sec_norml="0xUNSET"
1020 valt_load_address_sec_inner="0xUNSET"
1021 if test x$vg_cv_only64bit = xyes; then
1022 VGCONF_ARCH_PRI="amd64"
1023 VGCONF_ARCH_SEC=""
1024 VGCONF_PLATFORM_PRI_CAPS="AMD64_SOLARIS"
1025 VGCONF_PLATFORM_SEC_CAPS=""
1026 valt_load_address_pri_norml="0x58000000"
1027 valt_load_address_pri_inner="0x38000000"
1028 elif test x$vg_cv_only32bit = xyes; then
1029 VGCONF_ARCH_PRI="x86"
1030 VGCONF_ARCH_SEC=""
1031 VGCONF_PLATFORM_PRI_CAPS="X86_SOLARIS"
1032 VGCONF_PLATFORM_SEC_CAPS=""
1033 valt_load_address_pri_norml="0x58000000"
1034 valt_load_address_pri_inner="0x38000000"
1035 else
1036 VGCONF_ARCH_PRI="amd64"
1037 VGCONF_ARCH_SEC="x86"
1038 VGCONF_PLATFORM_PRI_CAPS="AMD64_SOLARIS"
1039 VGCONF_PLATFORM_SEC_CAPS="X86_SOLARIS"
1040 valt_load_address_pri_norml="0x58000000"
1041 valt_load_address_pri_inner="0x38000000"
1042 valt_load_address_sec_norml="0x58000000"
1043 valt_load_address_sec_inner="0x38000000"
1044 fi
1045 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
1046 ;;
1047 *)
1048 VGCONF_ARCH_PRI="unknown"
1049 VGCONF_ARCH_SEC="unknown"
1050 VGCONF_PLATFORM_PRI_CAPS="UNKNOWN"
1051 VGCONF_PLATFORM_SEC_CAPS="UNKNOWN"
1052 valt_load_address_pri_norml="0xUNSET"
1053 valt_load_address_pri_inner="0xUNSET"
1054 valt_load_address_sec_norml="0xUNSET"
1055 valt_load_address_sec_inner="0xUNSET"
1056 AC_MSG_RESULT([no (${ARCH_MAX}-${VGCONF_OS})])
1057 AC_MSG_ERROR([Valgrind is platform specific. Sorry. Please consider doing a port.])
1058 ;;
1059 esac
1061 #----------------------------------------------------------------------------
1063 # Set up VGCONF_ARCHS_INCLUDE_<arch>. Either one or two of these become
1064 # defined.
1065 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_X86,
1066 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_LINUX \
1067 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_LINUX \
1068 -o x$VGCONF_PLATFORM_PRI_CAPS = xX86_FREEBSD \
1069 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_FREEBSD \
1070 -o x$VGCONF_PLATFORM_PRI_CAPS = xX86_DARWIN \
1071 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_DARWIN \
1072 -o x$VGCONF_PLATFORM_PRI_CAPS = xX86_SOLARIS \
1073 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_SOLARIS )
1074 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_AMD64,
1075 test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_LINUX \
1076 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_FREEBSD \
1077 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_DARWIN \
1078 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_SOLARIS )
1079 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_PPC32,
1080 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC32_LINUX \
1081 -o x$VGCONF_PLATFORM_SEC_CAPS = xPPC32_LINUX )
1082 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_PPC64,
1083 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC64BE_LINUX \
1084 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC64LE_LINUX )
1085 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_ARM,
1086 test x$VGCONF_PLATFORM_PRI_CAPS = xARM_LINUX \
1087 -o x$VGCONF_PLATFORM_SEC_CAPS = xARM_LINUX )
1088 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_ARM64,
1089 test x$VGCONF_PLATFORM_PRI_CAPS = xARM64_LINUX \
1090 -o x$VGCONF_PLATFORM_PRI_CAPS = xARM64_FREEBSD )
1091 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_S390X,
1092 test x$VGCONF_PLATFORM_PRI_CAPS = xS390X_LINUX )
1093 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_MIPS32,
1094 test x$VGCONF_PLATFORM_PRI_CAPS = xMIPS32_LINUX \
1095 -o x$VGCONF_PLATFORM_SEC_CAPS = xMIPS32_LINUX )
1096 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_MIPS64,
1097 test x$VGCONF_PLATFORM_PRI_CAPS = xMIPS64_LINUX )
1098 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_NANOMIPS,
1099 test x$VGCONF_PLATFORM_PRI_CAPS = xNANOMIPS_LINUX )
1101 # Set up VGCONF_PLATFORMS_INCLUDE_<platform>. Either one or two of these
1102 # become defined.
1103 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_X86_LINUX,
1104 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_LINUX \
1105 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_LINUX)
1106 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_AMD64_LINUX,
1107 test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_LINUX)
1108 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_PPC32_LINUX,
1109 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC32_LINUX \
1110 -o x$VGCONF_PLATFORM_SEC_CAPS = xPPC32_LINUX)
1111 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_PPC64BE_LINUX,
1112 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC64BE_LINUX)
1113 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_PPC64LE_LINUX,
1114 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC64LE_LINUX)
1115 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_ARM_LINUX,
1116 test x$VGCONF_PLATFORM_PRI_CAPS = xARM_LINUX \
1117 -o x$VGCONF_PLATFORM_SEC_CAPS = xARM_LINUX)
1118 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_ARM64_LINUX,
1119 test x$VGCONF_PLATFORM_PRI_CAPS = xARM64_LINUX)
1120 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_S390X_LINUX,
1121 test x$VGCONF_PLATFORM_PRI_CAPS = xS390X_LINUX \
1122 -o x$VGCONF_PLATFORM_SEC_CAPS = xS390X_LINUX)
1123 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_MIPS32_LINUX,
1124 test x$VGCONF_PLATFORM_PRI_CAPS = xMIPS32_LINUX \
1125 -o x$VGCONF_PLATFORM_SEC_CAPS = xMIPS32_LINUX)
1126 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_MIPS64_LINUX,
1127 test x$VGCONF_PLATFORM_PRI_CAPS = xMIPS64_LINUX)
1128 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_NANOMIPS_LINUX,
1129 test x$VGCONF_PLATFORM_PRI_CAPS = xNANOMIPS_LINUX)
1130 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_X86_FREEBSD,
1131 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_FREEBSD \
1132 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_FREEBSD)
1133 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_AMD64_FREEBSD,
1134 test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_FREEBSD)
1135 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_ARM64_FREEBSD,
1136 test x$VGCONF_PLATFORM_PRI_CAPS = xARM64_FREEBSD)
1137 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_X86_DARWIN,
1138 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_DARWIN \
1139 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_DARWIN)
1140 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_AMD64_DARWIN,
1141 test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_DARWIN)
1142 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_X86_SOLARIS,
1143 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_SOLARIS \
1144 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_SOLARIS)
1145 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_AMD64_SOLARIS,
1146 test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_SOLARIS)
1149 # Similarly, set up VGCONF_OS_IS_<os>. Exactly one of these becomes defined.
1150 # Relies on the assumption that the primary and secondary targets are
1151 # for the same OS, so therefore only necessary to test the primary.
1152 AM_CONDITIONAL(VGCONF_OS_IS_LINUX,
1153 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_LINUX \
1154 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_LINUX \
1155 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC32_LINUX \
1156 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC64BE_LINUX \
1157 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC64LE_LINUX \
1158 -o x$VGCONF_PLATFORM_PRI_CAPS = xARM_LINUX \
1159 -o x$VGCONF_PLATFORM_PRI_CAPS = xARM64_LINUX \
1160 -o x$VGCONF_PLATFORM_PRI_CAPS = xS390X_LINUX \
1161 -o x$VGCONF_PLATFORM_PRI_CAPS = xMIPS32_LINUX \
1162 -o x$VGCONF_PLATFORM_PRI_CAPS = xMIPS64_LINUX \
1163 -o x$VGCONF_PLATFORM_PRI_CAPS = xNANOMIPS_LINUX)
1164 AM_CONDITIONAL(VGCONF_OS_IS_FREEBSD,
1165 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_FREEBSD \
1166 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_FREEBSD \
1167 -o x$VGCONF_PLATFORM_PRI_CAPS = xARM64_FREEBSD)
1168 AM_CONDITIONAL(VGCONF_OS_IS_DARWIN,
1169 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_DARWIN \
1170 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_DARWIN)
1171 AM_CONDITIONAL(VGCONF_OS_IS_SOLARIS,
1172 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_SOLARIS \
1173 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_SOLARIS)
1174 AM_CONDITIONAL(VGCONF_OS_IS_DARWIN_OR_FREEBSD,
1175 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_FREEBSD \
1176 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_FREEBSD \
1177 -o x$VGCONF_PLATFORM_PRI_CAPS = xARM64_FREEBSD \
1178 -o x$VGCONF_PLATFORM_PRI_CAPS = xX86_DARWIN \
1179 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_DARWIN)
1182 # Sometimes, in the Makefile.am files, it's useful to know whether or not
1183 # there is a secondary target.
1184 AM_CONDITIONAL(VGCONF_HAVE_PLATFORM_SEC,
1185 test x$VGCONF_PLATFORM_SEC_CAPS != x)
1187 dnl automake-1.10 does not have AM_COND_IF (added in 1.11), so we supply a
1188 dnl fallback definition
1189 dnl The macro is courtesy of Dave Hart:
1190 dnl https://lists.gnu.org/archive/html/automake/2010-12/msg00045.html
1191 m4_ifndef([AM_COND_IF], [AC_DEFUN([AM_COND_IF], [
1192 if test -z "$$1_TRUE"; then :
1193 m4_n([$2])[]dnl
1194 m4_ifval([$3],
1195 [else
1196 $3
1197 ])dnl
1198 fi[]dnl
1199 ])])
1201 #----------------------------------------------------------------------------
1202 # Inner Valgrind?
1203 #----------------------------------------------------------------------------
1205 # Check if this should be built as an inner Valgrind, to be run within
1206 # another Valgrind. Choose the load address accordingly.
1207 AC_SUBST(VALT_LOAD_ADDRESS_PRI)
1208 AC_SUBST(VALT_LOAD_ADDRESS_SEC)
1209 AC_CACHE_CHECK([for use as an inner Valgrind], vg_cv_inner,
1210 [AC_ARG_ENABLE(inner,
1211 [ --enable-inner enables self-hosting],
1212 [vg_cv_inner=$enableval],
1213 [vg_cv_inner=no])])
1214 if test "$vg_cv_inner" = yes; then
1215 AC_DEFINE([ENABLE_INNER], 1, [configured to run as an inner Valgrind])
1216 VALT_LOAD_ADDRESS_PRI=$valt_load_address_pri_inner
1217 VALT_LOAD_ADDRESS_SEC=$valt_load_address_sec_inner
1218 else
1219 VALT_LOAD_ADDRESS_PRI=$valt_load_address_pri_norml
1220 VALT_LOAD_ADDRESS_SEC=$valt_load_address_sec_norml
1221 fi
1223 #----------------------------------------------------------------------------
1224 # Undefined behaviour sanitiser
1225 #----------------------------------------------------------------------------
1226 # Check whether we should build with the undefined beahviour sanitiser.
1228 AC_CACHE_CHECK([for using the undefined behaviour sanitiser], vg_cv_ubsan,
1229 [AC_ARG_ENABLE(ubsan,
1230 [ --enable-ubsan enables the undefined behaviour sanitiser],
1231 [vg_cv_ubsan=$enableval],
1232 [vg_cv_ubsan=no])])
1234 #----------------------------------------------------------------------------
1235 # Extra fine-tuning of installation directories
1236 #----------------------------------------------------------------------------
1237 AC_ARG_WITH(tmpdir,
1238 [ --with-tmpdir=PATH Specify path for temporary files],
1239 tmpdir="$withval",
1240 tmpdir="/tmp")
1241 AC_DEFINE_UNQUOTED(VG_TMPDIR, "$tmpdir", [Temporary files directory])
1242 AC_SUBST(VG_TMPDIR, [$tmpdir])
1244 #----------------------------------------------------------------------------
1245 # Detect xcode path
1246 #----------------------------------------------------------------------------
1247 AM_COND_IF([VGCONF_OS_IS_DARWIN],
1248 [AC_CHECK_PROG([XCRUN], [xcrun], [yes], [no])
1249 AC_MSG_CHECKING([for xcode sdk include path])
1250 AC_ARG_WITH(xcodedir,
1251 [ --with-xcode-path=PATH Specify path for xcode sdk includes],
1252 [xcodedir="$withval"],
1253 [
1254 if test "x$XCRUN" != "xno" -a ! -d /usr/include; then
1255 xcrundir=`xcrun --sdk macosx --show-sdk-path`
1256 if test -z "$xcrundir"; then
1257 xcodedir="/usr/include"
1258 else
1259 xcodedir="$xcrundir/usr/include"
1260 fi
1261 else
1262 xcodedir="/usr/include"
1263 fi
1264 ])
1265 AC_MSG_RESULT([$xcodedir])
1266 AC_DEFINE_UNQUOTED(XCODE_DIR, "$xcodedir", [xcode sdk include directory])
1267 AC_SUBST(XCODE_DIR, [$xcodedir])])
1269 #----------------------------------------------------------------------------
1270 # Where to install gdb scripts, defaults to VG_LIBDIR (pkglibexecdir)
1271 #----------------------------------------------------------------------------
1272 AC_MSG_CHECKING([where gdb scripts are installed])
1273 AC_ARG_WITH(gdbscripts-dir,
1274 [ --with-gdbscripts-dir=PATH Specify path to install gdb scripts],
1275 [gdbscriptsdir=${withval}],
1276 [gdbscriptsdir=${libexecdir}/valgrind])
1277 AC_MSG_RESULT([$gdbscriptsdir])
1278 if test "x$gdbscriptsdir" != "xno"; then
1279 AC_SUBST(VG_GDBSCRIPTS_DIR, [$gdbscriptsdir])
1280 AM_CONDITIONAL(GDBSCRIPTS, true)
1281 else
1282 AC_SUBST(VG_GDBSCRIPTS_DIR, [])
1283 AM_CONDITIONAL(GDBSCRIPTS, false)
1284 fi
1286 #----------------------------------------------------------------------------
1287 # Libc and suppressions
1288 #----------------------------------------------------------------------------
1289 # This variable will collect the suppression files to be used.
1290 AC_SUBST(DEFAULT_SUPP)
1292 AC_CHECK_HEADER([features.h])
1294 if test x$ac_cv_header_features_h = xyes; then
1295 AC_DEFINE([HAVE_HEADER_FEATURES_H], 1,
1296 [Define to 1 if you have the `features.h' header.])
1297 rm -f conftest.$ac_ext
1298 cat <<_ACEOF >conftest.$ac_ext
1299 #include <features.h>
1300 #if defined(__GNU_LIBRARY__) && defined(__GLIBC__) && defined(__GLIBC_MINOR__)
1301 glibc version is: __GLIBC__ __GLIBC_MINOR__
1302 #endif
1303 _ACEOF
1304 GLIBC_VERSION="`$CPP -P conftest.$ac_ext | $SED -n 's/^glibc version is: //p' | $SED 's/ /./g'`"
1305 fi
1307 # not really a version check
1308 AC_EGREP_CPP([DARWIN_LIBC], [
1309 #include <sys/cdefs.h>
1310 #if defined(__DARWIN_VERS_1050)
1311 DARWIN_LIBC
1312 #endif
1313 ],
1314 GLIBC_VERSION="darwin")
1316 AC_EGREP_CPP([FREEBSD_LIBC], [
1317 #include <sys/cdefs.h>
1318 #if defined(__FreeBSD__)
1319 FREEBSD_LIBC
1320 #endif
1321 ],
1322 GLIBC_VERSION="freebsd")
1324 # not really a version check
1325 AC_EGREP_CPP([BIONIC_LIBC], [
1326 #if defined(__ANDROID__)
1327 BIONIC_LIBC
1328 #endif
1329 ],
1330 GLIBC_VERSION="bionic")
1332 # there is only one version of libc on Solaris
1333 if test x$VGCONF_PLATFORM_PRI_CAPS = xX86_SOLARIS \
1334 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_SOLARIS; then
1335 GLIBC_VERSION="solaris"
1336 fi
1338 # GLIBC_VERSION is empty if a musl libc is used, so use the toolchain tuple
1339 # in this case.
1340 if test x$GLIBC_VERSION = x; then
1341 if $CC -dumpmachine | grep -q musl; then
1342 GLIBC_VERSION=musl
1343 fi
1344 fi
1346 # If this is glibc then figure out the generic (in file) libc.so and
1347 # libpthread.so file paths to use in suppressions. Before 2.34 libpthread
1348 # was a separate library, afterwards it was merged into libc.so and
1349 # the library is called libc.so.6 (before it was libc-2.[0-9]+.so).
1350 # Use this fact to set GLIBC_LIBC_PATH and GLIBC_LIBPTHREAD_PATH.
1351 case ${GLIBC_VERSION} in
1352 2*)
1353 AC_MSG_CHECKING([whether pthread_create needs libpthread])
1354 AC_LINK_IFELSE([AC_LANG_CALL([], [pthread_create])],
1355 [
1356 AC_MSG_RESULT([no])
1357 GLIBC_LIBC_PATH="*/lib*/libc.so.6"
1358 GLIBC_LIBPTHREAD_PATH="$GLIBC_LIBC_PATH"
1359 ], [
1360 AC_MSG_RESULT([yes])
1361 GLIBC_LIBC_PATH="*/lib*/libc-2.*so*"
1362 GLIBC_LIBPTHREAD_PATH="*/lib*/libpthread-2.*so*"
1363 ])
1364 ;;
1365 *)
1366 AC_MSG_CHECKING([not glibc...])
1367 AC_MSG_RESULT([${GLIBC_VERSION}])
1368 ;;
1369 esac
1371 AC_MSG_CHECKING([the glibc version])
1373 case "${GLIBC_VERSION}" in
1374 2.2)
1375 AC_MSG_RESULT(${GLIBC_VERSION} family)
1376 DEFAULT_SUPP="$srcdir/glibc-2.2.supp ${DEFAULT_SUPP}"
1377 DEFAULT_SUPP="$srcdir/glibc-2.2-LinuxThreads-helgrind.supp ${DEFAULT_SUPP}"
1378 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
1379 ;;
1380 2.[[3-6]])
1381 AC_MSG_RESULT(${GLIBC_VERSION} family)
1382 DEFAULT_SUPP="$srcdir/glibc-${GLIBC_VERSION}.supp ${DEFAULT_SUPP}"
1383 DEFAULT_SUPP="glibc-2.X-helgrind.supp ${DEFAULT_SUPP}"
1384 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
1385 ;;
1386 2.[[7-9]])
1387 AC_MSG_RESULT(${GLIBC_VERSION} family)
1388 DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}"
1389 DEFAULT_SUPP="glibc-2.X-helgrind.supp ${DEFAULT_SUPP}"
1390 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
1391 ;;
1392 2.10|2.11)
1393 AC_MSG_RESULT(${GLIBC_VERSION} family)
1394 AC_DEFINE([GLIBC_MANDATORY_STRLEN_REDIRECT], 1,
1395 [Define to 1 if strlen() has been optimized heavily (amd64 glibc >= 2.10)])
1396 DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}"
1397 DEFAULT_SUPP="glibc-2.X-helgrind.supp ${DEFAULT_SUPP}"
1398 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
1399 ;;
1400 2.*)
1401 AC_MSG_RESULT(${GLIBC_VERSION} family)
1402 AC_DEFINE([GLIBC_MANDATORY_STRLEN_REDIRECT], 1,
1403 [Define to 1 if strlen() has been optimized heavily (amd64 glibc >= 2.10)])
1404 AC_DEFINE([GLIBC_MANDATORY_INDEX_AND_STRLEN_REDIRECT], 1,
1405 [Define to 1 if index() and strlen() have been optimized heavily (x86 glibc >= 2.12)])
1406 DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}"
1407 DEFAULT_SUPP="glibc-2.X-helgrind.supp ${DEFAULT_SUPP}"
1408 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
1409 ;;
1410 darwin)
1411 AC_MSG_RESULT(Darwin)
1412 AC_DEFINE([DARWIN_LIBC], 1, [Define to 1 if you're using Darwin])
1413 # DEFAULT_SUPP set by kernel version check above.
1414 ;;
1415 freebsd)
1416 AC_MSG_RESULT(FreeBSD)
1417 AC_DEFINE([FREEBSD_LIBC], 1, [Define to 1 if you're using FreeBSD])
1418 # DEFAULT_SUPP set by kernel version check above.
1419 ;;
1420 bionic)
1421 AC_MSG_RESULT(Bionic)
1422 AC_DEFINE([BIONIC_LIBC], 1, [Define to 1 if you're using Bionic])
1423 DEFAULT_SUPP="$srcdir/bionic.supp ${DEFAULT_SUPP}"
1424 ;;
1425 solaris)
1426 AC_MSG_RESULT(Solaris)
1427 # DEFAULT_SUPP set in host_os switch-case above.
1428 # No other suppression file is used.
1429 ;;
1430 musl)
1431 AC_MSG_RESULT(Musl)
1432 AC_DEFINE([MUSL_LIBC], 1, [Define to 1 if you're using Musl libc])
1433 DEFAULT_SUPP="$srcdir/musl.supp ${DEFAULT_SUPP}"
1434 ;;
1435 2.0|2.1|*)
1436 AC_MSG_RESULT([unsupported version ${GLIBC_VERSION}])
1437 AC_MSG_ERROR([Valgrind requires glibc version 2.2 or later, uClibc,])
1438 AC_MSG_ERROR([musl libc, Darwin libc, Bionic libc or Solaris libc])
1439 ;;
1440 esac
1442 AC_SUBST(GLIBC_VERSION)
1443 AC_SUBST(GLIBC_LIBC_PATH)
1444 AC_SUBST(GLIBC_LIBPTHREAD_PATH)
1447 if test "$VGCONF_OS" != "solaris"; then
1448 # Add default suppressions for the X client libraries. Make no
1449 # attempt to detect whether such libraries are installed on the
1450 # build machine (or even if any X facilities are present); just
1451 # add the suppressions antidisirregardless.
1452 DEFAULT_SUPP="$srcdir/xfree-4.supp ${DEFAULT_SUPP}"
1453 DEFAULT_SUPP="$srcdir/xfree-3.supp ${DEFAULT_SUPP}"
1454 fi
1457 #----------------------------------------------------------------------------
1458 # Platform variants?
1459 #----------------------------------------------------------------------------
1461 # Normally the PLAT = (ARCH, OS) characterisation of the platform is enough.
1462 # But there are times where we need a bit more control. The motivating
1463 # and currently only case is Android: this is almost identical to
1464 # {x86,arm,mips}-linux, but not quite. So this introduces the concept of
1465 # platform variant tags, which get passed in the compile as
1466 # -DVGPV_<arch>_<os>_<variant> along with the main -DVGP_<arch>_<os> definition.
1467 #
1468 # In almost all cases, the <variant> bit is "vanilla". But for Android
1469 # it is "android" instead.
1470 #
1471 # Consequently (eg), plain arm-linux would build with
1472 #
1473 # -DVGP_arm_linux -DVGPV_arm_linux_vanilla
1474 #
1475 # whilst an Android build would have
1476 #
1477 # -DVGP_arm_linux -DVGPV_arm_linux_android
1478 #
1479 # Same for x86. The setup of the platform variant is pushed relatively far
1480 # down this file in order that we can inspect any of the variables set above.
1482 # In the normal case ..
1483 VGCONF_PLATVARIANT="vanilla"
1485 # Android ?
1486 if test "$GLIBC_VERSION" = "bionic";
1487 then
1488 VGCONF_PLATVARIANT="android"
1489 fi
1491 AC_SUBST(VGCONF_PLATVARIANT)
1494 # FIXME: do we also want to define automake variables
1495 # VGCONF_PLATVARIANT_IS_<WHATEVER>, where WHATEVER is (currently)
1496 # VANILLA or ANDROID ? This would be in the style of VGCONF_ARCHS_INCLUDE,
1497 # VGCONF_PLATFORMS_INCLUDE and VGCONF_OS_IS above? Could easily enough
1498 # do that. Problem is that we can't do and-ing in Makefile.am's, but
1499 # that's what we'd need to do to use this, since what we'd want to write
1500 # is something like
1501 #
1502 # VGCONF_PLATFORMS_INCLUDE_ARM_LINUX && VGCONF_PLATVARIANT_IS_ANDROID
1503 #
1504 # Hmm. Can't think of a nice clean solution to this.
1506 AM_CONDITIONAL(VGCONF_PLATVARIANT_IS_VANILLA,
1507 test x$VGCONF_PLATVARIANT = xvanilla)
1508 AM_CONDITIONAL(VGCONF_PLATVARIANT_IS_ANDROID,
1509 test x$VGCONF_PLATVARIANT = xandroid)
1512 #----------------------------------------------------------------------------
1513 # Checking for various library functions and other definitions
1514 #----------------------------------------------------------------------------
1516 # Check for AT_FDCWD
1518 AC_MSG_CHECKING([for AT_FDCWD])
1519 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1520 #define _GNU_SOURCE
1521 #include <fcntl.h>
1522 #include <unistd.h>
1523 ]], [[
1524 int a = AT_FDCWD;
1525 ]])], [
1526 ac_have_at_fdcwd=yes
1527 AC_MSG_RESULT([yes])
1528 ], [
1529 ac_have_at_fdcwd=no
1530 AC_MSG_RESULT([no])
1531 ])
1533 AM_CONDITIONAL([HAVE_AT_FDCWD], [test x$ac_have_at_fdcwd = xyes])
1535 # Check for stpncpy function definition in string.h
1536 # This explicitly checks with _GNU_SOURCE defined since that is also
1537 # used in the test case (some systems might define it without anyway
1538 # since stpncpy is part of The Open Group Base Specifications Issue 7
1539 # IEEE Std 1003.1-2008.
1540 AC_MSG_CHECKING([for stpncpy])
1541 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1542 #define _GNU_SOURCE
1543 #include <string.h>
1544 ]], [[
1545 char *d;
1546 char *s;
1547 size_t n = 0;
1548 char *r = stpncpy(d, s, n);
1549 ]])], [
1550 ac_have_gnu_stpncpy=yes
1551 AC_MSG_RESULT([yes])
1552 ], [
1553 ac_have_gnu_stpncpy=no
1554 AC_MSG_RESULT([no])
1555 ])
1557 AM_CONDITIONAL([HAVE_GNU_STPNCPY], [test x$ac_have_gnu_stpncpy = xyes])
1559 # Check for PTRACE_GETREGS
1561 AC_MSG_CHECKING([for PTRACE_GETREGS])
1562 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1563 #include <stdlib.h>
1564 #include <stddef.h>
1565 #include <sys/ptrace.h>
1566 #include <sys/user.h>
1567 ]], [[
1568 void *p;
1569 long res = ptrace (PTRACE_GETREGS, 0, p, p);
1570 ]])], [
1571 AC_MSG_RESULT([yes])
1572 AC_DEFINE([HAVE_PTRACE_GETREGS], 1,
1573 [Define to 1 if you have the `PTRACE_GETREGS' ptrace request.])
1574 ], [
1575 AC_MSG_RESULT([no])
1576 ])
1579 # Check for CLOCK_MONOTONIC
1581 AC_MSG_CHECKING([for CLOCK_MONOTONIC])
1583 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1584 #include <time.h>
1585 ]], [[
1586 struct timespec t;
1587 clock_gettime(CLOCK_MONOTONIC, &t);
1588 return 0;
1589 ]])], [
1590 AC_MSG_RESULT([yes])
1591 AC_DEFINE([HAVE_CLOCK_MONOTONIC], 1,
1592 [Define to 1 if you have the `CLOCK_MONOTONIC' constant.])
1593 ], [
1594 AC_MSG_RESULT([no])
1595 ])
1598 # Check for ELF32/64_CHDR
1600 AC_CHECK_TYPES([Elf32_Chdr, Elf64_Chdr], [], [], [[#include <elf.h>]])
1603 # Check for PTHREAD_RWLOCK_T
1605 AC_MSG_CHECKING([for pthread_rwlock_t])
1607 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1608 #define _GNU_SOURCE
1609 #include <pthread.h>
1610 ]], [[
1611 pthread_rwlock_t rwl;
1612 ]])], [
1613 AC_MSG_RESULT([yes])
1614 AC_DEFINE([HAVE_PTHREAD_RWLOCK_T], 1,
1615 [Define to 1 if you have the `pthread_rwlock_t' type.])
1616 ], [
1617 AC_MSG_RESULT([no])
1618 ])
1620 # Check for CLOCKID_T
1622 AC_MSG_CHECKING([for clockid_t])
1624 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1625 #include <time.h>
1626 ]], [[
1627 clockid_t c;
1628 ]])], [
1629 AC_MSG_RESULT([yes])
1630 AC_DEFINE([HAVE_CLOCKID_T], 1,
1631 [Define to 1 if you have the `clockid_t' type.])
1632 ], [
1633 AC_MSG_RESULT([no])
1634 ])
1636 # Check for PTHREAD_MUTEX_ADAPTIVE_NP
1638 AC_MSG_CHECKING([for PTHREAD_MUTEX_ADAPTIVE_NP])
1640 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1641 #define _GNU_SOURCE
1642 #include <pthread.h>
1643 ]], [[
1644 return (PTHREAD_MUTEX_ADAPTIVE_NP);
1645 ]])], [
1646 AC_MSG_RESULT([yes])
1647 AC_DEFINE([HAVE_PTHREAD_MUTEX_ADAPTIVE_NP], 1,
1648 [Define to 1 if you have the `PTHREAD_MUTEX_ADAPTIVE_NP' constant.])
1649 ], [
1650 AC_MSG_RESULT([no])
1651 ])
1654 # Check for PTHREAD_MUTEX_ERRORCHECK_NP
1656 AC_MSG_CHECKING([for PTHREAD_MUTEX_ERRORCHECK_NP])
1658 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1659 #define _GNU_SOURCE
1660 #include <pthread.h>
1661 ]], [[
1662 return (PTHREAD_MUTEX_ERRORCHECK_NP);
1663 ]])], [
1664 AC_MSG_RESULT([yes])
1665 AC_DEFINE([HAVE_PTHREAD_MUTEX_ERRORCHECK_NP], 1,
1666 [Define to 1 if you have the `PTHREAD_MUTEX_ERRORCHECK_NP' constant.])
1667 ], [
1668 AC_MSG_RESULT([no])
1669 ])
1672 # Check for PTHREAD_MUTEX_RECURSIVE_NP
1674 AC_MSG_CHECKING([for PTHREAD_MUTEX_RECURSIVE_NP])
1676 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1677 #define _GNU_SOURCE
1678 #include <pthread.h>
1679 ]], [[
1680 return (PTHREAD_MUTEX_RECURSIVE_NP);
1681 ]])], [
1682 AC_MSG_RESULT([yes])
1683 AC_DEFINE([HAVE_PTHREAD_MUTEX_RECURSIVE_NP], 1,
1684 [Define to 1 if you have the `PTHREAD_MUTEX_RECURSIVE_NP' constant.])
1685 ], [
1686 AC_MSG_RESULT([no])
1687 ])
1690 # Check for PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP
1692 AC_MSG_CHECKING([for PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP])
1694 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1695 #define _GNU_SOURCE
1696 #include <pthread.h>
1697 ]], [[
1698 pthread_mutex_t m = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
1699 return 0;
1700 ]])], [
1701 AC_MSG_RESULT([yes])
1702 AC_DEFINE([HAVE_PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP], 1,
1703 [Define to 1 if you have the `PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP' constant.])
1704 ], [
1705 AC_MSG_RESULT([no])
1706 ])
1709 # Check whether pthread_mutex_t has a member called __m_kind.
1711 AC_CHECK_MEMBER([pthread_mutex_t.__m_kind],
1712 [AC_DEFINE([HAVE_PTHREAD_MUTEX_T__M_KIND],
1713 1,
1714 [Define to 1 if pthread_mutex_t has a member called __m_kind.])
1715 ],
1716 [],
1717 [#include <pthread.h>])
1720 # Check whether pthread_mutex_t has a member called __data.__kind.
1722 AC_CHECK_MEMBER([pthread_mutex_t.__data.__kind],
1723 [AC_DEFINE([HAVE_PTHREAD_MUTEX_T__DATA__KIND],
1724 1,
1725 [Define to 1 if pthread_mutex_t has a member __data.__kind.])
1726 ],
1727 [],
1728 [#include <pthread.h>])
1730 # Convenience function. Set flags based on the existing HWCAP entries.
1731 # The AT_HWCAP entries are generated by glibc, and are based on
1732 # functions supported by the hardware/system/libc.
1733 # Subsequent support for whether the capability will actually be utilized
1734 # will also be checked against the compiler capabilities.
1735 # called as
1736 # AC_HWCAP_CONTAINS_FLAG[hwcap_string_to_match],[VARIABLE_TO_SET]
1737 AC_DEFUN([AC_HWCAP_CONTAINS_FLAG],[
1738 AUXV_CHECK_FOR=$1
1739 AC_MSG_CHECKING([if AT_HWCAP contains the $AUXV_CHECK_FOR indicator])
1740 if env LD_SHOW_AUXV=1 true | grep ^AT_HWCAP | grep -q -w ${AUXV_CHECK_FOR}
1741 then
1742 AC_MSG_RESULT([yes])
1743 AC_SUBST([$2],[yes])
1744 else
1745 AC_MSG_RESULT([no])
1746 AC_SUBST([$2],[])
1747 fi
1748 ])
1750 # gather hardware capabilities. (hardware/kernel/libc)
1751 AC_HWCAP_CONTAINS_FLAG([altivec],[HWCAP_HAS_ALTIVEC])
1752 AC_HWCAP_CONTAINS_FLAG([vsx],[HWCAP_HAS_VSX])
1753 AC_HWCAP_CONTAINS_FLAG([dfp],[HWCAP_HAS_DFP])
1754 AC_HWCAP_CONTAINS_FLAG([arch_2_05],[HWCAP_HAS_ISA_2_05])
1755 AC_HWCAP_CONTAINS_FLAG([arch_2_06],[HWCAP_HAS_ISA_2_06])
1756 AC_HWCAP_CONTAINS_FLAG([arch_2_07],[HWCAP_HAS_ISA_2_07])
1757 AC_HWCAP_CONTAINS_FLAG([arch_3_00],[HWCAP_HAS_ISA_3_00])
1758 AC_HWCAP_CONTAINS_FLAG([arch_3_1],[HWCAP_HAS_ISA_3_1])
1759 AC_HWCAP_CONTAINS_FLAG([htm],[HWCAP_HAS_HTM])
1760 AC_HWCAP_CONTAINS_FLAG([mma],[HWCAP_HAS_MMA])
1762 # ISA Levels
1763 AM_CONDITIONAL(HAS_ISA_2_05, [test x$HWCAP_HAS_ISA_2_05 = xyes])
1764 AM_CONDITIONAL(HAS_ISA_2_06, [test x$HWCAP_HAS_ISA_2_06 = xyes])
1765 # compiler support for isa 2.07 level instructions
1766 AC_MSG_CHECKING([that assembler knows ISA 2.07 instructions ])
1767 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1768 ]], [[
1769 __asm__ __volatile__("mtvsrd 1,2 ");
1770 ]])], [
1771 ac_asm_have_isa_2_07=yes
1772 AC_MSG_RESULT([yes])
1773 ], [
1774 ac_asm_have_isa_2_07=no
1775 AC_MSG_RESULT([no])
1776 ])
1777 AM_CONDITIONAL(HAS_ISA_2_07, [test x$ac_asm_have_isa_2_07 = xyes \
1778 -a x$HWCAP_HAS_ISA_2_07 = xyes])
1780 # altivec (vsx) support.
1781 # does this compiler support -maltivec and does it have the include file
1782 # <altivec.h> ?
1783 AC_MSG_CHECKING([for Altivec support in the compiler ])
1784 safe_CFLAGS=$CFLAGS
1785 CFLAGS="-maltivec -Werror"
1786 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1787 #include <altivec.h>
1788 ]], [[
1789 vector unsigned int v;
1790 ]])], [
1791 ac_have_altivec=yes
1792 AC_MSG_RESULT([yes])
1793 ], [
1794 ac_have_altivec=no
1795 AC_MSG_RESULT([no])
1796 ])
1797 CFLAGS=$safe_CFLAGS
1798 AM_CONDITIONAL([HAS_ALTIVEC], [test x$ac_have_altivec = xyes \
1799 -a x$HWCAP_HAS_ALTIVEC = xyes])
1801 # Check that both: the compiler supports -mvsx and that the assembler
1802 # understands VSX instructions. If either of those doesn't work,
1803 # conclude that we can't do VSX.
1804 AC_MSG_CHECKING([for VSX compiler flag support])
1805 safe_CFLAGS=$CFLAGS
1806 CFLAGS="-mvsx -Werror"
1807 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1808 ]], [[
1809 ]])], [
1810 ac_compiler_supports_vsx_flag=yes
1811 AC_MSG_RESULT([yes])
1812 ], [
1813 ac_compiler_supports_vsx_flag=no
1814 AC_MSG_RESULT([no])
1815 ])
1816 CFLAGS=$safe_CFLAGS
1818 AC_MSG_CHECKING([for VSX support in the assembler ])
1819 safe_CFLAGS=$CFLAGS
1820 CFLAGS="-mvsx -Werror"
1821 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1822 #include <altivec.h>
1823 ]], [[
1824 vector unsigned int v;
1825 __asm__ __volatile__("xsmaddadp 32, 32, 33" ::: "memory","cc");
1826 ]])], [
1827 ac_compiler_supports_vsx=yes
1828 AC_MSG_RESULT([yes])
1829 ], [
1830 ac_compiler_supports_vsx=no
1831 AC_MSG_RESULT([no])
1832 ])
1833 CFLAGS=$safe_CFLAGS
1834 AM_CONDITIONAL([HAS_VSX], [test x$ac_compiler_supports_vsx_flag = xyes \
1835 -a x$ac_compiler_supports_vsx = xyes \
1836 -a x$HWCAP_HAS_VSX = xyes ])
1838 # DFP (Decimal Float)
1839 # The initial DFP support was added in Power 6. The dcffix instruction
1840 # support was added in Power 7.
1841 AC_MSG_CHECKING([that assembler knows DFP])
1842 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1843 ]], [[
1844 #ifdef __s390__
1845 __asm__ __volatile__("adtr 1, 2, 3")
1846 #else
1847 __asm__ __volatile__(".machine power7;\n" \
1848 "dadd 1, 2, 3;\n" \
1849 "dcffix 1, 2");
1850 #endif
1851 ]])], [
1852 ac_asm_have_dfp=yes
1853 AC_MSG_RESULT([yes])
1854 ], [
1855 ac_asm_have_dfp=no
1856 AC_MSG_RESULT([no])
1857 ])
1858 AC_MSG_CHECKING([that compiler knows -mhard-dfp switch])
1859 safe_CFLAGS=$CFLAGS
1860 CFLAGS="-mhard-dfp -Werror"
1862 # The dcffix instruction is Power 7
1863 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1864 ]], [[
1865 #ifdef __s390__
1866 __asm__ __volatile__("adtr 1, 2, 3")
1867 #else
1868 __asm__ __volatile__(".machine power7;\n" \
1869 "dadd 1, 2, 3;\n" \
1870 "dcffix 1, 2");
1871 #endif
1872 ]])], [
1873 ac_compiler_have_dfp=yes
1874 AC_MSG_RESULT([yes])
1875 ], [
1876 ac_compiler_have_dfp=no
1877 AC_MSG_RESULT([no])
1878 ])
1879 CFLAGS=$safe_CFLAGS
1880 AM_CONDITIONAL(HAS_DFP, test x$ac_asm_have_dfp = xyes \
1881 -a x$ac_compiler_have_dfp = xyes \
1882 -a x$HWCAP_HAS_DFP = xyes )
1884 AC_MSG_CHECKING([that compiler knows DFP datatypes])
1885 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1886 ]], [[
1887 _Decimal64 x = 0.0DD;
1888 ]])], [
1889 ac_compiler_have_dfp_type=yes
1890 AC_MSG_RESULT([yes])
1891 ], [
1892 ac_compiler_have_dfp_type=no
1893 AC_MSG_RESULT([no])
1894 ])
1895 AM_CONDITIONAL(BUILD_DFP_TESTS, test x$ac_compiler_have_dfp_type = xyes \
1896 -a x$HWCAP_HAS_DFP = xyes )
1899 # HTM (Hardware Transactional Memory)
1900 AC_MSG_CHECKING([if compiler accepts the -mhtm flag])
1901 safe_CFLAGS=$CFLAGS
1902 CFLAGS="-mhtm -Werror"
1903 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1904 ]], [[
1905 return 0;
1906 ]])], [
1907 AC_MSG_RESULT([yes])
1908 ac_compiler_supports_htm=yes
1909 ], [
1910 AC_MSG_RESULT([no])
1911 ac_compiler_supports_htm=no
1912 ])
1913 CFLAGS=$safe_CFLAGS
1915 AC_MSG_CHECKING([if compiler can find the htm builtins])
1916 safe_CFLAGS=$CFLAGS
1917 CFLAGS="-mhtm -Werror"
1918 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1919 ]], [[
1920 if (__builtin_tbegin (0))
1921 __builtin_tend (0);
1922 ]])], [
1923 AC_MSG_RESULT([yes])
1924 ac_compiler_sees_htm_builtins=yes
1925 ], [
1926 AC_MSG_RESULT([no])
1927 ac_compiler_sees_htm_builtins=no
1928 ])
1929 CFLAGS=$safe_CFLAGS
1931 AM_CONDITIONAL(SUPPORTS_HTM, test x$ac_compiler_supports_htm = xyes \
1932 -a x$ac_compiler_sees_htm_builtins = xyes \
1933 -a x$HWCAP_HAS_HTM = xyes )
1935 # isa 3.0 checking. (actually 3.0 or newer)
1936 AC_MSG_CHECKING([that assembler knows ISA 3.00 ])
1938 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1939 ]], [[
1940 __asm__ __volatile__ (".machine power9;\n" \
1941 "cnttzw 1,3; \n" );
1942 ]])], [
1943 # guest_ppc_helpers.c needs the HAS_ISA_3_OO to enable copy, paste,
1944 # cpabort support
1945 safe_CFLAGS=$CFLAGS
1946 CFLAGS="-DHAS_ISA_3_00"
1947 ac_asm_have_isa_3_00=yes
1948 AC_MSG_RESULT([yes])
1949 ], [
1950 ac_asm_have_isa_3_00=no
1951 AC_MSG_RESULT([no])
1952 ])
1953 CFLAGS=$safe_CFLAGS
1955 # xscvhpdp checking
1956 AC_MSG_CHECKING([that assembler knows xscvhpdp ])
1958 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1959 ]], [[
1960 __asm__ __volatile__ (".machine power9;\n" \
1961 "xscvhpdp 1,2;\n" );
1962 ]])], [
1963 ac_asm_have_xscvhpdp=yes
1964 AC_MSG_RESULT([yes])
1965 ], [
1966 ac_asm_have_xscvhpdp=no
1967 AC_MSG_RESULT([no])
1968 ])
1970 # darn instruction checking
1971 AC_MSG_CHECKING([that assembler knows darn instruction ])
1973 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1974 ]], [[
1975 __asm__ __volatile__(".machine power9; darn 1,0 ");
1976 ]])], [
1977 ac_asm_have_darn_inst=yes
1978 AC_MSG_RESULT([yes])
1979 ], [
1980 ac_asm_have_darn_inst=no
1981 AC_MSG_RESULT([no])
1982 ])
1984 # isa 3.01 checking
1985 AC_MSG_CHECKING([that assembler knows ISA 3.1 ])
1986 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1987 ]], [[
1988 __asm__ __volatile__ (".machine power10;\n" \
1989 "brh 1,2;\n ");
1990 ]])], [
1991 ac_asm_have_isa_3_1=yes
1992 AC_MSG_RESULT([yes])
1993 ], [
1994 ac_asm_have_isa_3_1=no
1995 AC_MSG_RESULT([no])
1996 ])
1999 AM_CONDITIONAL(HAS_ISA_3_00, [test x$ac_asm_have_isa_3_00 = xyes \
2000 -a x$HWCAP_HAS_ISA_3_00 = xyes])
2002 AM_CONDITIONAL(HAS_XSCVHPDP, [test x$ac_asm_have_xscvhpdp = xyes])
2003 AM_CONDITIONAL(HAS_DARN, [test x$ac_asm_have_darn_inst = xyes])
2005 AM_CONDITIONAL(HAS_ISA_3_1, [test x$ac_asm_have_isa_3_1 = xyes \
2006 -a x$HWCAP_HAS_ISA_3_1 = xyes])
2008 # Check for pthread_create@GLIBC2.0
2009 AC_MSG_CHECKING([for pthread_create@GLIBC2.0()])
2011 safe_CFLAGS=$CFLAGS
2012 CFLAGS="-lpthread -Werror"
2013 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2014 extern int pthread_create_glibc_2_0(void*, const void*,
2015 void *(*)(void*), void*);
2016 __asm__(".symver pthread_create_glibc_2_0, pthread_create@GLIBC_2.0");
2017 ]], [[
2018 #ifdef __powerpc__
2019 /*
2020 * Apparently on PowerPC linking this program succeeds and generates an
2021 * executable with the undefined symbol pthread_create@GLIBC_2.0.
2022 */
2023 #error This test does not work properly on PowerPC.
2024 #else
2025 pthread_create_glibc_2_0(0, 0, 0, 0);
2026 #endif
2027 return 0;
2028 ]])], [
2029 ac_have_pthread_create_glibc_2_0=yes
2030 AC_MSG_RESULT([yes])
2031 AC_DEFINE([HAVE_PTHREAD_CREATE_GLIBC_2_0], 1,
2032 [Define to 1 if you have the `pthread_create@glibc2.0' function.])
2033 ], [
2034 ac_have_pthread_create_glibc_2_0=no
2035 AC_MSG_RESULT([no])
2036 ])
2037 CFLAGS=$safe_CFLAGS
2039 AM_CONDITIONAL(HAVE_PTHREAD_CREATE_GLIBC_2_0,
2040 test x$ac_have_pthread_create_glibc_2_0 = xyes)
2043 # Check for dlinfo RTLD_DI_TLS_MODID
2044 AC_MSG_CHECKING([for dlinfo RTLD_DI_TLS_MODID])
2046 safe_LIBS="$LIBS"
2047 LIBS="-ldl"
2048 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2049 #ifndef _GNU_SOURCE
2050 #define _GNU_SOURCE
2051 #endif
2052 #include <link.h>
2053 #include <dlfcn.h>
2054 ]], [[
2055 size_t sizes[10000];
2056 size_t modid_offset;
2057 (void) dlinfo ((void*)sizes, RTLD_DI_TLS_MODID, &modid_offset);
2058 return 0;
2059 ]])], [
2060 ac_have_dlinfo_rtld_di_tls_modid=yes
2061 AC_MSG_RESULT([yes])
2062 AC_DEFINE([HAVE_DLINFO_RTLD_DI_TLS_MODID], 1,
2063 [Define to 1 if you have a dlinfo that can do RTLD_DI_TLS_MODID.])
2064 ], [
2065 ac_have_dlinfo_rtld_di_tls_modid=no
2066 AC_MSG_RESULT([no])
2067 ])
2068 LIBS=$safe_LIBS
2070 AM_CONDITIONAL(HAVE_DLINFO_RTLD_DI_TLS_MODID,
2071 test x$ac_have_dlinfo_rtld_di_tls_modid = xyes)
2074 # Check for eventfd_t, eventfd() and eventfd_read()
2075 AC_MSG_CHECKING([for eventfd()])
2077 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2078 #include <sys/eventfd.h>
2079 ]], [[
2080 eventfd_t ev;
2081 int fd;
2083 fd = eventfd(5, 0);
2084 eventfd_read(fd, &ev);
2085 return 0;
2086 ]])], [
2087 AC_MSG_RESULT([yes])
2088 AC_DEFINE([HAVE_EVENTFD], 1,
2089 [Define to 1 if you have the `eventfd' function.])
2090 AC_DEFINE([HAVE_EVENTFD_READ], 1,
2091 [Define to 1 if you have the `eventfd_read' function.])
2092 ], [
2093 AC_MSG_RESULT([no])
2094 ])
2096 # Check whether compiler can process #include <thread> without errors
2097 # clang 3.3 cannot process <thread> from e.g.
2098 # gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3
2100 AC_MSG_CHECKING([that C++ compiler can compile C++17 code])
2101 AC_LANG(C++)
2102 safe_CXXFLAGS=$CXXFLAGS
2103 CXXFLAGS=-std=c++17
2105 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
2106 int x;
2107 ])],
2108 [
2109 ac_have_cxx_17=yes
2110 AC_MSG_RESULT([yes])
2111 ], [
2112 ac_have_cxx_17=no
2113 AC_MSG_RESULT([no])
2114 ])
2115 CXXFLAGS=$safe_CXXFLAGS
2116 AC_LANG(C)
2118 AM_CONDITIONAL(HAVE_CXX17, test x$ac_have_cxx_17 = xyes)
2120 AC_MSG_CHECKING([that C++ compiler can include <thread> header file])
2121 AC_LANG(C++)
2122 safe_CXXFLAGS=$CXXFLAGS
2123 CXXFLAGS=-std=c++0x
2125 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
2126 #include <thread>
2127 ])],
2128 [
2129 ac_cxx_can_include_thread_header=yes
2130 AC_MSG_RESULT([yes])
2131 ], [
2132 ac_cxx_can_include_thread_header=no
2133 AC_MSG_RESULT([no])
2134 ])
2135 CXXFLAGS=$safe_CXXFLAGS
2136 AC_LANG(C)
2138 AM_CONDITIONAL(CXX_CAN_INCLUDE_THREAD_HEADER, test x$ac_cxx_can_include_thread_header = xyes)
2140 # Check whether compiler can process #include <condition_variable> without errors
2142 AC_MSG_CHECKING([that C++ compiler can include <condition_variable> header file])
2143 AC_LANG(C++)
2144 safe_CXXFLAGS=$CXXFLAGS
2145 CXXFLAGS=-std=c++0x
2147 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
2148 #include <condition_variable>
2149 ])],
2150 [
2151 ac_cxx_can_include_condition_variable_header=yes
2152 AC_MSG_RESULT([yes])
2153 ], [
2154 ac_cxx_can_include_condition_variable_header=no
2155 AC_MSG_RESULT([no])
2156 ])
2157 CXXFLAGS=$safe_CXXFLAGS
2158 AC_LANG(C)
2160 AM_CONDITIONAL(CXX_CAN_INCLUDE_CONDITION_VARIABLE_HEADER, test x$ac_cxx_can_include_condition_variable_header = xyes)
2162 # check for std::shared_timed_mutex, this is a C++ 14 feature
2164 AC_MSG_CHECKING([that C++ compiler can use std::shared_timed_mutex])
2165 AC_LANG(C++)
2166 safe_CXXFLAGS=$CXXFLAGS
2167 CXXFLAGS="-std=c++1y -pthread"
2169 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
2170 #include <shared_mutex>
2171 std::shared_timed_mutex test_mutex;
2172 ])],
2173 [
2174 ac_cxx_can_use_shared_timed_mutex=yes
2175 AC_MSG_RESULT([yes])
2176 ], [
2177 ac_cxx_can_use_shared_timed_mutex=no
2178 AC_MSG_RESULT([no])
2179 ])
2180 CXXFLAGS=$safe_CXXFLAGS
2181 AC_LANG(C)
2183 AM_CONDITIONAL(CXX_CAN_USE_SHARED_TIMED_MUTEX, test x$ac_cxx_can_use_shared_timed_mutex = xyes)
2185 # check for std::shared_mutex, this is a C++ 11 feature
2187 AC_MSG_CHECKING([that C++ compiler can use std::timed_mutex])
2188 AC_LANG(C++)
2189 safe_CXXFLAGS=$CXXFLAGS
2190 CXXFLAGS="-std=c++0x -pthread"
2192 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
2193 #include <mutex>
2194 std::timed_mutex test_mutex;
2195 ])],
2196 [
2197 ac_cxx_can_use_timed_mutex=yes
2198 AC_MSG_RESULT([yes])
2199 ], [
2200 ac_cxx_can_use_timed_mutex=no
2201 AC_MSG_RESULT([no])
2202 ])
2203 CXXFLAGS=$safe_CXXFLAGS
2204 AC_LANG(C)
2206 AM_CONDITIONAL(CXX_CAN_USE_TIMED_MUTEX, test x$ac_cxx_can_use_timed_mutex = xyes)
2208 # On aarch64 before glibc 2.20 we would get the kernel user_pt_regs instead
2209 # of the user_regs_struct from sys/user.h. They are structurally the same
2210 # but we get either one or the other.
2212 AC_CHECK_TYPE([struct user_regs_struct],
2213 [sys_user_has_user_regs=yes], [sys_user_has_user_regs=no],
2214 [[#include <sys/ptrace.h>]
2215 [#include <sys/time.h>]
2216 [#include <sys/user.h>]])
2217 if test "$sys_user_has_user_regs" = "yes"; then
2218 AC_DEFINE(HAVE_SYS_USER_REGS, 1,
2219 [Define to 1 if <sys/user.h> defines struct user_regs_struct])
2220 fi
2222 AC_MSG_CHECKING([for __NR_membarrier])
2223 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2224 #include <linux/unistd.h>
2225 ]], [[
2226 return __NR_membarrier
2227 ]])], [
2228 ac_have_nr_membarrier=yes
2229 AC_MSG_RESULT([yes])
2230 ], [
2231 ac_have_nr_membarrier=no
2232 AC_MSG_RESULT([no])
2233 ])
2235 AM_CONDITIONAL(HAVE_NR_MEMBARRIER, [test x$ac_have_nr_membarrier = xyes])
2237 #----------------------------------------------------------------------------
2238 # Checking for supported compiler flags.
2239 #----------------------------------------------------------------------------
2241 case "${host_cpu}" in
2242 mips*)
2243 ARCH=$(echo "$CFLAGS" | grep -E -e '-march=@<:@^ @:>@+' -e '\B-mips@<:@^ +@:>@')
2244 if test -z "$ARCH"; then
2245 # does this compiler support -march=mips32 (mips32 default) ?
2246 AC_MSG_CHECKING([if gcc accepts -march=mips32 -mabi=32])
2248 safe_CFLAGS=$CFLAGS
2249 CFLAGS="$CFLAGS -mips32 -mabi=32 -Werror"
2251 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2252 return 0;
2253 ]])], [
2254 FLAG_M32="-mips32 -mabi=32"
2255 AC_MSG_RESULT([yes])
2256 ], [
2257 FLAG_M32=""
2258 AC_MSG_RESULT([no])
2259 ])
2260 CFLAGS=$safe_CFLAGS
2262 AC_SUBST(FLAG_M32)
2265 # does this compiler support -march=mips64r2 (mips64r2 default) ?
2266 AC_MSG_CHECKING([if gcc accepts -march=mips64r2 -mabi=64])
2268 safe_CFLAGS=$CFLAGS
2269 CFLAGS="$CFLAGS -march=mips64r2 -mabi=64 -Werror"
2271 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2272 return 0;
2273 ]])], [
2274 FLAG_M64="-march=mips64r2 -mabi=64"
2275 AC_MSG_RESULT([yes])
2276 ], [
2277 FLAG_M64=""
2278 AC_MSG_RESULT([no])
2279 ])
2280 CFLAGS=$safe_CFLAGS
2282 AC_SUBST(FLAG_M64)
2283 fi
2284 ;;
2285 nanomips*)
2286 ;;
2287 *)
2288 # does this compiler support -m32 ?
2289 AC_MSG_CHECKING([if gcc accepts -m32])
2291 safe_CFLAGS=$CFLAGS
2292 CFLAGS="${FLAG_32ON64} -m32 -Werror"
2294 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2295 return 0;
2296 ]])], [
2297 FLAG_M32="${FLAG_32ON64} -m32"
2298 AC_MSG_RESULT([yes])
2299 ], [
2300 FLAG_M32=""
2301 AC_MSG_RESULT([no])
2302 ])
2303 CFLAGS=$safe_CFLAGS
2305 AC_SUBST(FLAG_M32)
2308 # does this compiler support -m64 ?
2309 AC_MSG_CHECKING([if gcc accepts -m64])
2311 safe_CFLAGS=$CFLAGS
2312 CFLAGS="-m64 -Werror"
2314 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2315 return 0;
2316 ]])], [
2317 FLAG_M64="-m64"
2318 AC_MSG_RESULT([yes])
2319 ], [
2320 FLAG_M64=""
2321 AC_MSG_RESULT([no])
2322 ])
2323 CFLAGS=$safe_CFLAGS
2325 AC_SUBST(FLAG_M64)
2326 ;;
2327 esac
2330 ARCH=$(echo "$CFLAGS" | grep -E -e '-march=@<:@^ @:>@+' -e '\B-mips@<:@^ +@:>@')
2331 if test -z "$ARCH"; then
2332 # does this compiler support -march=octeon (Cavium OCTEON I Specific) ?
2333 AC_MSG_CHECKING([if gcc accepts -march=octeon])
2335 safe_CFLAGS=$CFLAGS
2336 CFLAGS="$CFLAGS $FLAG_M64 -march=octeon -Werror"
2338 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2339 return 0;
2340 ]])], [
2341 FLAG_OCTEON="-march=octeon"
2342 AC_MSG_RESULT([yes])
2343 ], [
2344 FLAG_OCTEON=""
2345 AC_MSG_RESULT([no])
2346 ])
2347 CFLAGS=$safe_CFLAGS
2349 AC_SUBST(FLAG_OCTEON)
2352 # does this compiler support -march=octeon2 (Cavium OCTEON II Specific) ?
2353 AC_MSG_CHECKING([if gcc accepts -march=octeon2])
2355 safe_CFLAGS=$CFLAGS
2356 CFLAGS="$CFLAGS $FLAG_M64 -march=octeon2 -Werror"
2358 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2359 return 0;
2360 ]])], [
2361 FLAG_OCTEON2="-march=octeon2"
2362 AC_MSG_RESULT([yes])
2363 ], [
2364 FLAG_OCTEON2=""
2365 AC_MSG_RESULT([no])
2366 ])
2367 CFLAGS=$safe_CFLAGS
2369 AC_SUBST(FLAG_OCTEON2)
2370 fi
2373 # does this compiler support -mmsa (MIPS MSA ASE) ?
2374 AC_MSG_CHECKING([if gcc accepts -mmsa])
2376 safe_CFLAGS=$CFLAGS
2377 CFLAGS="$CFLAGS -mmsa -Werror"
2379 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2380 return 0;
2381 ]])], [
2382 FLAG_MSA="-mmsa"
2383 AC_MSG_RESULT([yes])
2384 ], [
2385 FLAG_MSA=""
2386 AC_MSG_RESULT([no])
2387 ])
2388 CFLAGS=$safe_CFLAGS
2390 AC_SUBST(FLAG_MSA)
2392 # Are we compiling for the MIPS64 n32 ABI?
2393 AC_MSG_CHECKING([if gcc is producing mips n32 binaries])
2394 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
2395 #if !defined(_MIPS_SIM) || (defined(_MIPS_SIM) && (_MIPS_SIM != _ABIN32))
2396 #error NO
2397 #endif
2398 ]])], [
2399 VGCONF_ABI=N32
2400 FLAG_M64="-march=mips64r2 -mabi=n32"
2401 AC_MSG_RESULT([yes])
2402 ], [
2403 AC_MSG_RESULT([no])
2404 ])
2406 # Are we compiling for the MIPS64 n64 ABI?
2407 AC_MSG_CHECKING([if gcc is producing mips n64 binaries])
2408 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
2409 #if !defined(_MIPS_SIM) || (defined(_MIPS_SIM) && (_MIPS_SIM != _ABI64))
2410 #error NO
2411 #endif
2412 ]])], [
2413 VGCONF_ABI=64
2414 AC_MSG_RESULT([yes])
2415 ], [
2416 AC_MSG_RESULT([no])
2417 ])
2419 # We enter the code block below in the following case:
2420 # Target architecture is set to mips64, the desired abi
2421 # was not specified and the compiler's default abi setting
2422 # is neither n32 nor n64.
2423 # Probe for and set the abi to either n64 or n32, in that order,
2424 # which is required for a mips64 build of valgrind.
2425 if test "$ARCH_MAX" = "mips64" -a "x$VGCONF_ABI" = "x"; then
2426 safe_CFLAGS=$CFLAGS
2427 CFLAGS="$CFLAGS -mabi=64 -Werror"
2428 AC_MSG_CHECKING([if gcc is n64 capable])
2429 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
2430 return 0;
2431 ]])], [
2432 VGCONF_ABI=64
2433 AC_MSG_RESULT([yes])
2434 ], [
2435 AC_MSG_RESULT([no])
2436 ])
2437 CFLAGS=$safe_CFLAGS
2439 if test "x$VGCONF_ABI" = "x"; then
2440 safe_CFLAGS=$CFLAGS
2441 CFLAGS="$CFLAGS -mabi=n32 -Werror"
2442 AC_MSG_CHECKING([if gcc is n32 capable])
2443 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
2444 return 0;
2445 ]])], [
2446 VGCONF_ABI=N32
2447 FLAG_M64="-march=mips64r2 -mabi=n32"
2448 AC_MSG_RESULT([yes])
2449 ], [
2450 AC_MSG_RESULT([no])
2451 ])
2452 CFLAGS=$safe_CFLAGS
2453 fi
2454 fi
2456 AM_CONDITIONAL([VGCONF_HAVE_ABI],
2457 [test x$VGCONF_ABI != x])
2458 AC_SUBST(VGCONF_ABI)
2461 # does this compiler support -mmmx ?
2462 AC_MSG_CHECKING([if gcc accepts -mmmx])
2464 safe_CFLAGS=$CFLAGS
2465 CFLAGS="-mmmx -Werror"
2467 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2468 return 0;
2469 ]])], [
2470 FLAG_MMMX="-mmmx"
2471 AC_MSG_RESULT([yes])
2472 ], [
2473 FLAG_MMMX=""
2474 AC_MSG_RESULT([no])
2475 ])
2476 CFLAGS=$safe_CFLAGS
2478 AC_SUBST(FLAG_MMMX)
2481 # does this compiler support -msse ?
2482 AC_MSG_CHECKING([if gcc accepts -msse])
2484 safe_CFLAGS=$CFLAGS
2485 CFLAGS="-msse -Werror"
2487 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2488 return 0;
2489 ]])], [
2490 FLAG_MSSE="-msse"
2491 AC_MSG_RESULT([yes])
2492 ], [
2493 FLAG_MSSE=""
2494 AC_MSG_RESULT([no])
2495 ])
2496 CFLAGS=$safe_CFLAGS
2498 AC_SUBST(FLAG_MSSE)
2501 # does this compiler support -mpreferred-stack-boundary=2 when
2502 # generating code for a 32-bit target? Note that we only care about
2503 # this when generating code for (32-bit) x86, so if the compiler
2504 # doesn't recognise -m32 it's no big deal. We'll just get code for
2505 # the Memcheck and other helper functions, that is a bit slower than
2506 # it could be, on x86; and no difference at all on any other platform.
2507 AC_MSG_CHECKING([if gcc accepts -mpreferred-stack-boundary=2 -m32])
2509 safe_CFLAGS=$CFLAGS
2510 CFLAGS="-mpreferred-stack-boundary=2 -m32 -Werror"
2512 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2513 return 0;
2514 ]])], [
2515 PREFERRED_STACK_BOUNDARY_2="-mpreferred-stack-boundary=2"
2516 AC_MSG_RESULT([yes])
2517 ], [
2518 PREFERRED_STACK_BOUNDARY_2=""
2519 AC_MSG_RESULT([no])
2520 ])
2521 CFLAGS=$safe_CFLAGS
2523 AC_SUBST(PREFERRED_STACK_BOUNDARY_2)
2526 # does this compiler support -mlong-double-128 ?
2527 AC_MSG_CHECKING([if gcc accepts -mlong-double-128])
2528 safe_CFLAGS=$CFLAGS
2529 CFLAGS="-mlong-double-128 -Werror"
2530 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2531 return 0;
2532 ]])], [
2533 ac_compiler_supports_mlong_double_128=yes
2534 AC_MSG_RESULT([yes])
2535 ], [
2536 ac_compiler_supports_mlong_double_128=no
2537 AC_MSG_RESULT([no])
2538 ])
2539 CFLAGS=$safe_CFLAGS
2540 AM_CONDITIONAL(HAS_MLONG_DOUBLE_128, test x$ac_compiler_supports_mlong_double_128 = xyes)
2541 FLAG_MLONG_DOUBLE_128="-mlong-double-128"
2542 AC_SUBST(FLAG_MLONG_DOUBLE_128)
2544 # does this toolchain support lto ?
2545 # Not checked for if --enable-lto=no was given, or if LTO_AR or LTO_RANLIG
2546 # are not defined
2547 # If not enable-lto=* arg is provided, default to no, as lto builds are
2548 # a lot slower, and so not appropriate for Valgrind developments.
2549 # --enable-lto=yes should be used by distro packagers.
2550 AC_CACHE_CHECK([for using the link time optimisation], vg_cv_lto,
2551 [AC_ARG_ENABLE(lto,
2552 [ --enable-lto enables building with link time optimisation],
2553 [vg_cv_lto=$enableval],
2554 [vg_cv_lto=no])])
2556 if test "x${vg_cv_lto}" != "xno" -a "x${LTO_AR}" != "x" -a "x${LTO_RANLIB}" != "x"; then
2557 AC_MSG_CHECKING([if toolchain accepts lto])
2558 safe_CFLAGS=$CFLAGS
2559 TEST_LTO_CFLAGS="-flto -flto-partition=one -fuse-linker-plugin"
2560 # Note : using 'one' partition is giving a slightly smaller/faster memcheck
2561 # and ld/lto-trans1 still needs a reasonable memory (about 0.5GB) when linking.
2562 CFLAGS="$TEST_LTO_CFLAGS -Werror"
2564 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2565 extern void somefun(void);
2566 somefun();
2567 return 0;
2568 ]])], [
2569 LTO_CFLAGS=$TEST_LTO_CFLAGS
2570 AC_MSG_RESULT([yes])
2571 ], [
2572 LTO_CFLAGS=""
2573 AC_MSG_RESULT([no])
2574 ])
2575 CFLAGS=$safe_CFLAGS
2576 fi
2578 AC_SUBST(LTO_CFLAGS)
2580 # if we could not compile with lto args, or lto was disabled,
2581 # then set LTO_AR/LTO_RANLIB to the non lto values
2582 # define in config.h ENABLE_LTO (not needed by the code currently, but
2583 # this guarantees we recompile everything if we re-configure and rebuild
2584 # in a build dir previously build with another value of --enable-lto
2585 if test "x${LTO_CFLAGS}" = "x"; then
2586 LTO_AR=${AR}
2587 LTO_RANLIB=${RANLIB}
2588 vg_cv_lto=no
2589 else
2590 vg_cv_lto=yes
2591 AC_DEFINE([ENABLE_LTO], 1, [configured to build with lto link time optimisation])
2592 fi
2594 # Convenience function to check whether GCC supports a particular
2595 # warning option. Takes two arguments,
2596 # first the warning flag name to check (without -W), then the
2597 # substitution name to set with -Wno-warning-flag if the flag exists,
2598 # or the empty string if the compiler doesn't accept the flag. Note
2599 # that checking is done against the warning flag itself, but the
2600 # substitution is then done to cancel the warning flag.
2601 AC_DEFUN([AC_GCC_WARNING_SUBST_NO],[
2602 AC_MSG_CHECKING([if gcc accepts -W$1])
2603 safe_CFLAGS=$CFLAGS
2604 CFLAGS="-W$1 -Werror"
2605 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[;]])], [
2606 AC_SUBST([$2], [-Wno-$1])
2607 AC_MSG_RESULT([yes])], [
2608 AC_SUBST([$2], [])
2609 AC_MSG_RESULT([no])])
2610 CFLAGS=$safe_CFLAGS
2611 ])
2613 # A variation of the above for arguments that
2614 # take a value
2615 AC_DEFUN([AC_GCC_WARNING_SUBST_NO_VAL],[
2616 AC_MSG_CHECKING([if gcc accepts -W$1=$2])
2617 safe_CFLAGS=$CFLAGS
2618 CFLAGS="-W$1=$2 -Werror"
2619 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[;]])], [
2620 AC_SUBST([$3], [-Wno-$1])
2621 AC_MSG_RESULT([yes])], [
2622 AC_SUBST([$3], [])
2623 AC_MSG_RESULT([no])])
2624 CFLAGS=$safe_CFLAGS
2625 ])
2627 # Convenience function. Like AC_GCC_WARNING_SUBST_NO, except it substitutes
2628 # -W$1 (instead of -Wno-$1).
2629 AC_DEFUN([AC_GCC_WARNING_SUBST],[
2630 AC_MSG_CHECKING([if gcc accepts -W$1])
2631 safe_CFLAGS=$CFLAGS
2632 CFLAGS="-W$1 -Werror"
2633 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[;]])], [
2634 AC_SUBST([$2], [-W$1])
2635 AC_MSG_RESULT([yes])], [
2636 AC_SUBST([$2], [])
2637 AC_MSG_RESULT([no])])
2638 CFLAGS=$safe_CFLAGS
2639 ])
2641 AC_GCC_WARNING_SUBST_NO([memset-transposed-args], [FLAG_W_NO_MEMSET_TRANSPOSED_ARGS])
2642 AC_GCC_WARNING_SUBST_NO([nonnull], [FLAG_W_NO_NONNULL])
2643 AC_GCC_WARNING_SUBST_NO([overflow], [FLAG_W_NO_OVERFLOW])
2644 AC_GCC_WARNING_SUBST_NO([pointer-sign], [FLAG_W_NO_POINTER_SIGN])
2645 AC_GCC_WARNING_SUBST_NO([uninitialized], [FLAG_W_NO_UNINITIALIZED])
2646 AC_GCC_WARNING_SUBST_NO([maybe-uninitialized], [FLAG_W_NO_MAYBE_UNINITIALIZED])
2647 AC_GCC_WARNING_SUBST_NO([unused-function], [FLAG_W_NO_UNUSED_FUNCTION])
2648 AC_GCC_WARNING_SUBST_NO([static-local-in-inline], [FLAG_W_NO_STATIC_LOCAL_IN_INLINE])
2649 AC_GCC_WARNING_SUBST_NO([mismatched-new-delete], [FLAG_W_NO_MISMATCHED_NEW_DELETE])
2650 AC_GCC_WARNING_SUBST_NO([infinite-recursion], [FLAG_W_NO_INFINITE_RECURSION])
2651 AC_GCC_WARNING_SUBST_NO([expansion-to-defined], [FLAG_W_NO_EXPANSION_TO_DEFINED])
2652 AC_GCC_WARNING_SUBST_NO([unused-variable], [FLAG_W_NO_UNUSED_VARIABLE])
2653 AC_GCC_WARNING_SUBST_NO([unused-but-set-variable], [FLAG_W_NO_UNUSED_BUT_SET_VARIABLE])
2654 AC_GCC_WARNING_SUBST_NO([non-power-of-two-alignment], [FLAG_W_NO_NON_POWER_OF_TWO_ALIGNMENT])
2655 AC_GCC_WARNING_SUBST_NO([sign-compare], [FLAG_W_NO_SIGN_COMPARE])
2656 AC_GCC_WARNING_SUBST_NO([stringop-overflow], [FLAG_W_NO_STRINGOP_OVERFLOW])
2657 AC_GCC_WARNING_SUBST_NO([stringop-overread], [FLAG_W_NO_STRINGOP_OVERREAD])
2658 AC_GCC_WARNING_SUBST_NO([stringop-truncation], [FLAG_W_NO_STRINGOP_TRUNCATION])
2659 AC_GCC_WARNING_SUBST_NO([format-overflow], [FLAG_W_NO_FORMAT_OVERFLOW])
2660 AC_GCC_WARNING_SUBST_NO([use-after-free], [FLAG_W_NO_USE_AFTER_FREE])
2661 AC_GCC_WARNING_SUBST_NO([free-nonheap-object], [FLAG_W_NO_FREE_NONHEAP_OBJECT])
2662 AC_GCC_WARNING_SUBST_NO([fortify-source], [FLAG_W_NO_FORTIFY_SOURCE])
2663 AC_GCC_WARNING_SUBST_NO([builtin-memcpy-chk-size], [FLAG_W_NO_BUILTIN_MEMCPY_CHK_SIZE])
2664 AC_GCC_WARNING_SUBST_NO([incompatible-pointer-types-discards-qualifiers], [FLAG_W_NO_INCOMPATIBLE_POINTER_TYPES_DISCARDS_QUALIFIERS])
2665 AC_GCC_WARNING_SUBST_NO([suspicious-bzero], [FLAG_W_NO_SUSPICIOUS_BZERO])
2666 AC_GCC_WARNING_SUBST_NO([attributes], [FLAG_W_NO_ATTRIBUTES])
2668 AC_GCC_WARNING_SUBST_NO_VAL([alloc-size-larger-than], [1677216], [FLAG_W_NO_ALLOC_SIZE_LARGER_THAN])
2670 AC_GCC_WARNING_SUBST([write-strings], [FLAG_W_WRITE_STRINGS])
2671 AC_GCC_WARNING_SUBST([empty-body], [FLAG_W_EMPTY_BODY])
2672 AC_GCC_WARNING_SUBST([format], [FLAG_W_FORMAT])
2673 AC_GCC_WARNING_SUBST([format-signedness], [FLAG_W_FORMAT_SIGNEDNESS])
2674 AC_GCC_WARNING_SUBST([cast-qual], [FLAG_W_CAST_QUAL])
2675 AC_GCC_WARNING_SUBST([old-style-declaration], [FLAG_W_OLD_STYLE_DECLARATION])
2676 AC_GCC_WARNING_SUBST([ignored-qualifiers], [FLAG_W_IGNORED_QUALIFIERS])
2677 AC_GCC_WARNING_SUBST([missing-parameter-type], [FLAG_W_MISSING_PARAMETER_TYPE])
2678 AC_GCC_WARNING_SUBST([logical-op], [FLAG_W_LOGICAL_OP])
2679 AC_GCC_WARNING_SUBST([enum-conversion], [FLAG_W_ENUM_CONVERSION])
2680 AC_GCC_WARNING_SUBST([implicit-fallthrough=2], [FLAG_W_IMPLICIT_FALLTHROUGH])
2682 # Does this compiler support -Wformat-security ?
2683 # Special handling is needed, because certain GCC versions require -Wformat
2684 # being present if -Wformat-security is given. Otherwise a warning is issued.
2685 # However, AC_GCC_WARNING_SUBST will stick in -Werror (see r15323 for rationale).
2686 # And with that the warning will be turned into an error with the result
2687 # that -Wformat-security is believed to be unsupported when in fact it is.
2688 AC_MSG_CHECKING([if gcc accepts -Wformat-security])
2689 safe_CFLAGS=$CFLAGS
2690 CFLAGS="-Wformat -Wformat-security -Werror"
2691 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[;]])], [
2692 AC_SUBST([FLAG_W_FORMAT_SECURITY], [-Wformat-security])
2693 AC_MSG_RESULT([yes])], [
2694 AC_SUBST([FLAG_W_FORMAT_SECURITY], [])
2695 AC_MSG_RESULT([no])])
2696 CFLAGS=$safe_CFLAGS
2698 # does this compiler support -Wextra or the older -W ?
2700 AC_MSG_CHECKING([if gcc accepts -Wextra or -W])
2702 safe_CFLAGS=$CFLAGS
2703 CFLAGS="-Wextra -Werror"
2705 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2706 return 0;
2707 ]])], [
2708 AC_SUBST([FLAG_W_EXTRA], [-Wextra])
2709 AC_MSG_RESULT([-Wextra])
2710 ], [
2711 CFLAGS="-W -Werror"
2712 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2713 return 0;
2714 ]])], [
2715 AC_SUBST([FLAG_W_EXTRA], [-W])
2716 AC_MSG_RESULT([-W])
2717 ], [
2718 AC_SUBST([FLAG_W_EXTRA], [])
2719 AC_MSG_RESULT([not supported])
2720 ])
2721 ])
2722 CFLAGS=$safe_CFLAGS
2724 # On ARM we do not want to pass -Wcast-align as that produces loads
2725 # of warnings. GCC is just being conservative. See here:
2726 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65459#c4
2727 if test "X$VGCONF_ARCH_PRI" = "Xarm"; then
2728 AC_SUBST([FLAG_W_CAST_ALIGN], [""])
2729 else
2730 AC_SUBST([FLAG_W_CAST_ALIGN], [-Wcast-align])
2731 fi
2733 # does this compiler support -faligned-new ?
2734 AC_MSG_CHECKING([if g++ accepts -faligned-new])
2736 safe_CXXFLAGS=$CXXFLAGS
2737 CXXFLAGS="-faligned-new -Werror"
2739 AC_LANG(C++)
2740 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2741 return 0;
2742 ]])], [
2743 FLAG_FALIGNED_NEW="-faligned-new"
2744 AC_MSG_RESULT([yes])
2745 ], [
2746 FLAG_FALIGNED_NEW=""
2747 AC_MSG_RESULT([no])
2748 ])
2749 CXXFLAGS=$safe_CXXFLAGS
2750 AC_LANG(C)
2752 AC_SUBST(FLAG_FALIGNED_NEW)
2754 # does this compiler support -fsized-deallocation ?
2755 AC_MSG_CHECKING([if g++ accepts -fsized-deallocation])
2757 safe_CXXFLAGS=$CXXFLAGS
2758 CXXFLAGS="-fsized-deallocation -Werror"
2760 AC_LANG(C++)
2761 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2762 return 0;
2763 ]])], [
2764 FLAG_FSIZED_DEALLOCATION="-fsized-deallocation"
2765 ac_have_sized_deallocation=yes
2766 AC_MSG_RESULT([yes])
2767 ], [
2768 FLAG_FSIZED_DEALLOCATION=""
2769 ac_have_sized_deallocation=no
2770 AC_MSG_RESULT([no])
2771 ])
2772 CXXFLAGS=$safe_CXXFLAGS
2773 AC_LANG(C)
2775 AC_SUBST(FLAG_FSIZED_DEALLOCATION)
2776 AM_CONDITIONAL([HAVE_FSIZED_DEALLOCATION], [test x$ac_have_sized_deallocation = xyes])
2778 # does this compiler support C++17 aligned new/delete?
2779 AC_MSG_CHECKING([if g++ supports aligned new and delete])
2781 safe_CXXFLAGS=$CXXFLAGS
2782 CXXFLAGS="-std=c++17"
2784 AC_LANG(C++)
2785 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2786 #include <cstdlib>
2787 #include <new>
2788 ]], [[
2789 operator delete(nullptr, std::align_val_t(64U));
2790 ]])], [
2791 ac_have_aligned_cxx_alloc=yes
2792 AC_MSG_RESULT([yes])
2793 ], [
2794 ac_have_aligned_cxx_alloc=no
2795 AC_MSG_RESULT([no])
2796 ])
2797 CXXFLAGS=$safe_CXXFLAGS
2798 AC_LANG(C)
2800 AM_CONDITIONAL([HAVE_ALIGNED_CXX_ALLOC], [test x$ac_have_aligned_cxx_alloc = xyes])
2802 # does this compiler support -fno-stack-protector ?
2803 AC_MSG_CHECKING([if gcc accepts -fno-stack-protector])
2805 safe_CFLAGS=$CFLAGS
2806 CFLAGS="-fno-stack-protector -Werror"
2808 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2809 return 0;
2810 ]])], [
2811 no_stack_protector=yes
2812 FLAG_FNO_STACK_PROTECTOR="-fno-stack-protector"
2813 AC_MSG_RESULT([yes])
2814 ], [
2815 no_stack_protector=no
2816 FLAG_FNO_STACK_PROTECTOR=""
2817 AC_MSG_RESULT([no])
2818 ])
2819 CFLAGS=$safe_CFLAGS
2821 AC_SUBST(FLAG_FNO_STACK_PROTECTOR)
2823 # does this compiler support -finline-functions ?
2824 AC_MSG_CHECKING([if gcc accepts -finline-functions])
2826 safe_CFLAGS=$CFLAGS
2827 CFLAGS="-finline-functions -Werror"
2829 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2830 return 0;
2831 ]])], [
2832 inline_functions=yes
2833 FLAG_FINLINE_FUNCTIONS="-finline-functions"
2834 AC_MSG_RESULT([yes])
2835 ], [
2836 inline_functions=no
2837 FLAG_FINLINE_FUNCTIONS=""
2838 AC_MSG_RESULT([no])
2839 ])
2840 CFLAGS=$safe_CFLAGS
2842 AC_SUBST(FLAG_FINLINE_FUNCTIONS)
2844 # Does GCC support disabling Identical Code Folding?
2845 # We want to disabled Identical Code Folding for the
2846 # tools preload shared objects to get better backraces.
2847 # For GCC 5.1+ -fipa-icf is enabled by default at -O2.
2848 # "The optimization reduces code size and may disturb
2849 # unwind stacks by replacing a function by equivalent
2850 # one with a different name."
2851 AC_MSG_CHECKING([if gcc accepts -fno-ipa-icf])
2853 safe_CFLAGS=$CFLAGS
2854 CFLAGS="-fno-ipa-icf -Werror"
2856 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2857 return 0;
2858 ]])], [
2859 no_ipa_icf=yes
2860 FLAG_FNO_IPA_ICF="-fno-ipa-icf"
2861 AC_MSG_RESULT([yes])
2862 ], [
2863 no_ipa_icf=no
2864 FLAG_FNO_IPA_ICF=""
2865 AC_MSG_RESULT([no])
2866 ])
2867 CFLAGS=$safe_CFLAGS
2869 AC_SUBST(FLAG_FNO_IPA_ICF)
2872 # Does this compiler support -fsanitize=undefined. This is true for
2873 # GCC 4.9 and newer. However, the undefined behaviour sanitiser in GCC 5.1
2874 # also checks for alignment violations on memory accesses which the valgrind
2875 # code base is sprinkled (if not littered) with. As those alignment issues
2876 # don't pose a problem we want to suppress warnings about them.
2877 # In GCC 5.1 this can be done by passing -fno-sanitize=alignment. Earlier
2878 # GCCs do not support that.
2879 #
2880 # Only checked for if --enable-ubsan was given.
2881 if test "x${vg_cv_ubsan}" = "xyes"; then
2882 AC_MSG_CHECKING([if gcc accepts -fsanitize=undefined -fno-sanitize=alignment])
2883 safe_CFLAGS=$CFLAGS
2884 CFLAGS="-fsanitize=undefined -fno-sanitize=alignment -Werror"
2885 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2886 return 0;
2887 ]])], [
2888 FLAG_FSANITIZE="-fsanitize=undefined -fno-sanitize=alignment"
2889 LIB_UBSAN="-static-libubsan"
2890 AC_MSG_RESULT([yes])
2891 ], [
2892 CFLAGS="-fsanitize=undefined -Werror"
2893 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2894 return 0;
2895 ]])], [
2896 FLAG_FSANITIZE="-fsanitize=undefined"
2897 LIB_UBSAN="-static-libubsan"
2898 AC_MSG_RESULT([yes])
2899 ], [
2900 FLAG_FSANITIZE=""
2901 LIB_UBSAN=""
2902 AC_MSG_RESULT([no])
2903 ])
2904 ])
2905 CFLAGS=$safe_CFLAGS
2906 AC_SUBST(FLAG_FSANITIZE)
2907 AC_SUBST(LIB_UBSAN)
2908 fi
2909 # does this compiler support --param inline-unit-growth=... ?
2911 AC_MSG_CHECKING([if gcc accepts --param inline-unit-growth])
2913 safe_CFLAGS=$CFLAGS
2914 CFLAGS="--param inline-unit-growth=900 -Werror"
2916 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2917 return 0;
2918 ]])], [
2919 AC_SUBST([FLAG_UNLIMITED_INLINE_UNIT_GROWTH],
2920 ["--param inline-unit-growth=900"])
2921 AC_MSG_RESULT([yes])
2922 ], [
2923 AC_SUBST([FLAG_UNLIMITED_INLINE_UNIT_GROWTH], [""])
2924 AC_MSG_RESULT([no])
2925 ])
2926 CFLAGS=$safe_CFLAGS
2929 # does this compiler support -gdwarf-4 -fdebug-types-section ?
2931 AC_MSG_CHECKING([if gcc accepts -gdwarf-4 -fdebug-types-section])
2933 safe_CFLAGS=$CFLAGS
2934 CFLAGS="-gdwarf-4 -fdebug-types-section -Werror"
2936 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2937 return 0;
2938 ]])], [
2939 ac_have_dwarf4=yes
2940 AC_MSG_RESULT([yes])
2941 ], [
2942 ac_have_dwarf4=no
2943 AC_MSG_RESULT([no])
2944 ])
2945 AM_CONDITIONAL(DWARF4, test x$ac_have_dwarf4 = xyes)
2946 CFLAGS=$safe_CFLAGS
2949 # does this compiler support -g -gz=zlib ?
2951 AC_MSG_CHECKING([if gcc accepts -g -gz=zlib])
2953 safe_CFLAGS=$CFLAGS
2954 CFLAGS="-g -gz=zlib"
2956 AC_LINK_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2957 return 0;
2958 ]])], [
2959 ac_have_gz_zlib=yes
2960 AC_MSG_RESULT([yes])
2961 ], [
2962 ac_have_gz_zlib=no
2963 AC_MSG_RESULT([no])
2964 ])
2965 AM_CONDITIONAL(GZ_ZLIB, test x$ac_have_gz_zlib = xyes)
2966 CFLAGS=$safe_CFLAGS
2969 # does this compiler support -g -gz=zlib-gnu ?
2971 AC_MSG_CHECKING([if gcc accepts -g -gz=zlib-gnu])
2973 safe_CFLAGS=$CFLAGS
2974 CFLAGS="-g -gz=zlib-gnu"
2976 AC_LINK_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2977 return 0;
2978 ]])], [
2979 ac_have_gz_zlib_gnu=yes
2980 AC_MSG_RESULT([yes])
2981 ], [
2982 ac_have_gz_zlib_gnu=no
2983 AC_MSG_RESULT([no])
2984 ])
2985 AM_CONDITIONAL(GZ_ZLIB_GNU, test x$ac_have_gz_zlib_gnu = xyes)
2986 CFLAGS=$safe_CFLAGS
2989 # does this compiler support nested functions ?
2991 AC_MSG_CHECKING([if gcc accepts nested functions])
2993 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2994 int foo() { return 1; }
2995 return foo();
2996 ]])], [
2997 ac_have_nested_functions=yes
2998 AC_MSG_RESULT([yes])
2999 ], [
3000 ac_have_nested_functions=no
3001 AC_MSG_RESULT([no])
3002 ])
3003 AM_CONDITIONAL([HAVE_NESTED_FUNCTIONS], [test x$ac_have_nested_functions = xyes])
3006 # does this compiler support the 'p' constraint in ASM statements ?
3008 AC_MSG_CHECKING([if gcc accepts the 'p' constraint in asm statements])
3010 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3011 char *p;
3012 __asm__ __volatile__ ("movdqa (%0),%%xmm6\n" : "=p" (p));
3013 ]])], [
3014 ac_have_asm_constraint_p=yes
3015 AC_MSG_RESULT([yes])
3016 ], [
3017 ac_have_asm_constraint_p=no
3018 AC_MSG_RESULT([no])
3019 ])
3020 AM_CONDITIONAL([HAVE_ASM_CONSTRAINT_P], [test x$ac_have_asm_constraint_p = xyes])
3023 # Does this compiler and linker support -pie?
3024 # Some compilers actually do not support -pie and report its usage
3025 # as an error. We need to check if it is safe to use it first.
3027 AC_MSG_CHECKING([if gcc accepts -pie])
3029 safe_CFLAGS=$CFLAGS
3030 CFLAGS="-pie"
3032 AC_LINK_IFELSE([AC_LANG_PROGRAM([[ ]], [[
3033 return 0;
3034 ]])], [
3035 AC_SUBST([FLAG_PIE], ["-pie"])
3036 AC_MSG_RESULT([yes])
3037 ], [
3038 AC_SUBST([FLAG_PIE], [""])
3039 AC_MSG_RESULT([no])
3040 ])
3041 CFLAGS=$safe_CFLAGS
3043 AC_MSG_CHECKING([if gcc accepts -ansi])
3045 safe_CFLAGS=$CFLAGS
3046 CFLAGS="-ansi"
3048 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3049 return 0;
3050 ]])], [
3051 ac_have_ansi=yes
3052 AC_MSG_RESULT([yes])
3053 ], [
3054 ac_have_ansi=no
3055 AC_MSG_RESULT([no])
3056 ])
3057 AM_CONDITIONAL([HAVE_ANSI], [test x$ac_have_ansi = xyes])
3059 CFLAGS=$safe_CFLAGS
3062 # Does this compiler support -no-pie?
3063 # On Ubuntu 16.10+, gcc produces position independent executables (PIE) by
3064 # default. However this gets in the way with some tests, we use -no-pie
3065 # for these.
3067 AC_MSG_CHECKING([if gcc accepts -no-pie])
3069 safe_CFLAGS=$CFLAGS
3070 CFLAGS="-no-pie -Werror"
3072 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
3073 return 0;
3074 ]])], [
3075 AC_SUBST([FLAG_NO_PIE], ["-no-pie"])
3076 AC_MSG_RESULT([yes])
3077 ], [
3078 AC_SUBST([FLAG_NO_PIE], [""])
3079 AC_MSG_RESULT([no])
3080 ])
3081 CFLAGS=$safe_CFLAGS
3084 # We want to use use the -Ttext-segment option to the linker.
3085 # GNU (bfd) ld supports this directly. Newer GNU gold linkers
3086 # support it as an alias of -Ttext. Sadly GNU (bfd) ld's -Ttext
3087 # semantics are NOT what we want (GNU gold -Ttext is fine).
3088 #
3089 # For GNU (bfd) ld -Ttext-segment chooses the base at which ELF headers
3090 # will reside. -Ttext aligns just the .text section start (but not any
3091 # other section).
3092 #
3093 # LLVM ld.lld 10.0 changed the semantics of its -Ttext. See "Breaking changes"
3094 # in https://releases.llvm.org/10.0.0/tools/lld/docs/ReleaseNotes.html
3095 # The --image-base option (since version 6.0?) provides the semantics needed.
3096 # -Ttext-segment generates an error, but -Ttext now more closely
3097 # follows the GNU (bfd) ld's -Ttext.
3098 #
3099 # So test first for --image-base support, and if that fails then
3100 # for -Ttext-segment which is supported by all bfd ld versions
3101 # and use that if it exists. If it doesn't exist it must be an older
3102 # version of gold and we can fall back to using -Ttext which has the
3103 # right semantics.
3105 safe_CFLAGS=$CFLAGS
3106 AC_MSG_CHECKING([if the linker accepts -Wl,--image-base])
3108 CFLAGS="-static -nodefaultlibs -nostartfiles -Wl,--image-base=$valt_load_address_pri_norml -Werror"
3110 AC_LINK_IFELSE(
3111 [AC_LANG_SOURCE([int _start () { return 0; }])],
3112 [
3113 linker_using_t_text="no"
3114 AC_SUBST([FLAG_T_TEXT], ["--image-base"])
3115 AC_MSG_RESULT([yes])
3116 ], [
3117 AC_MSG_RESULT([no])
3119 AC_MSG_CHECKING([if the linker accepts -Wl,-Ttext-segment])
3121 CFLAGS="-static -nodefaultlibs -nostartfiles -Wl,-Ttext-segment=$valt_load_address_pri_norml -Werror"
3123 AC_LINK_IFELSE(
3124 [AC_LANG_SOURCE([int _start () { return 0; }])],
3125 [
3126 linker_using_t_text="no"
3127 AC_SUBST([FLAG_T_TEXT], ["-Ttext-segment"])
3128 AC_MSG_RESULT([yes])
3129 ], [
3130 linker_using_t_text="yes"
3131 AC_SUBST([FLAG_T_TEXT], ["-Ttext"])
3132 AC_MSG_RESULT([no])
3133 ])
3134 ])
3136 CFLAGS=$safe_CFLAGS
3138 # If the linker only supports -Ttext (not -Ttext-segment or --image-base) then we will
3139 # have to strip any build-id ELF NOTEs from the statically linked tools.
3140 # Otherwise the build-id NOTE might end up at the default load address.
3141 # (Pedantically if the linker is gold then -Ttext is fine, but newer
3142 # gold versions also support -Ttext-segment. So just assume that unless
3143 # we can use -Ttext-segment we need to strip the build-id NOTEs.
3144 if test "x${linker_using_t_text}" = "xyes"; then
3145 AC_MSG_NOTICE([ld -Ttext used, need to strip build-id NOTEs.])
3146 # does the linker support -Wl,--build-id=none ? Note, it's
3147 # important that we test indirectly via whichever C compiler
3148 # is selected, rather than testing /usr/bin/ld or whatever
3149 # directly.
3150 AC_MSG_CHECKING([if the linker accepts -Wl,--build-id=none])
3151 safe_CFLAGS=$CFLAGS
3152 CFLAGS="-Wl,--build-id=none -Werror"
3154 AC_LINK_IFELSE(
3155 [AC_LANG_PROGRAM([ ], [return 0;])],
3156 [
3157 AC_SUBST([FLAG_NO_BUILD_ID], ["-Wl,--build-id=none"])
3158 AC_MSG_RESULT([yes])
3159 ], [
3160 AC_SUBST([FLAG_NO_BUILD_ID], [""])
3161 AC_MSG_RESULT([no])
3162 ])
3163 else
3164 AC_MSG_NOTICE([ld --image-base or -Ttext-segment used, no need to strip build-id NOTEs.])
3165 AC_SUBST([FLAG_NO_BUILD_ID], [""])
3166 fi
3167 CFLAGS=$safe_CFLAGS
3169 # On s390x, if the linker supports -Wl,--s390-pgste, then we build the
3170 # tools with that flag. This enables running programs that need it, such
3171 # as qemu-kvm.
3172 if test x$VGCONF_PLATFORM_PRI_CAPS = xS390X_LINUX; then
3173 AC_MSG_CHECKING([if the linker accepts -Wl,--s390-pgste])
3174 safe_CFLAGS=$CFLAGS
3175 CFLAGS="-Wl,--s390-pgste"
3177 AC_LINK_IFELSE(
3178 [AC_LANG_PROGRAM([ ], [return 0;])],
3179 [
3180 AC_SUBST([FLAG_S390_PGSTE], ["-Wl,--s390-pgste"])
3181 AC_MSG_RESULT([yes])
3182 ], [
3183 AC_SUBST([FLAG_S390_PGSTE], [""])
3184 AC_MSG_RESULT([no])
3185 ])
3186 CFLAGS=$safe_CFLAGS
3187 fi
3189 # does the ppc assembler support "mtocrf" et al?
3190 AC_MSG_CHECKING([if ppc32/64 as supports mtocrf/mfocrf])
3192 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3193 __asm__ __volatile__("mtocrf 4,0");
3194 __asm__ __volatile__("mfocrf 0,4");
3195 ]])], [
3196 ac_have_as_ppc_mftocrf=yes
3197 AC_MSG_RESULT([yes])
3198 ], [
3199 ac_have_as_ppc_mftocrf=no
3200 AC_MSG_RESULT([no])
3201 ])
3202 if test x$ac_have_as_ppc_mftocrf = xyes ; then
3203 AC_DEFINE(HAVE_AS_PPC_MFTOCRF, 1, [Define to 1 if as supports mtocrf/mfocrf.])
3204 fi
3207 # does the ppc assembler support "lfdp" and other phased out floating point insns?
3208 AC_MSG_CHECKING([if ppc32/64 asm supports phased out floating point instructions])
3210 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3211 do { typedef struct {
3212 double hi;
3213 double lo;
3214 } dbl_pair_t;
3215 dbl_pair_t dbl_pair[3];
3216 __asm__ volatile ("lfdp 10, %0"::"m" (dbl_pair[0]));
3217 } while (0)
3218 ]])], [
3219 ac_have_as_ppc_fpPO=yes
3220 AC_MSG_RESULT([yes])
3221 ], [
3222 ac_have_as_ppc_fpPO=no
3223 AC_MSG_RESULT([no])
3224 ])
3225 if test x$ac_have_as_ppc_fpPO = xyes ; then
3226 AC_DEFINE(HAVE_AS_PPC_FPPO, 1, [Define to 1 if as supports floating point phased out category.])
3227 fi
3230 # does the amd64 assembler understand "fxsave64" and "fxrstor64"?
3231 AC_MSG_CHECKING([if amd64 assembler supports fxsave64/fxrstor64])
3233 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3234 void* p;
3235 asm __volatile__("fxsave64 (%0)" : : "r" (p) : "memory" );
3236 asm __volatile__("fxrstor64 (%0)" : : "r" (p) : "memory" );
3237 ]])], [
3238 ac_have_as_amd64_fxsave64=yes
3239 AC_MSG_RESULT([yes])
3240 ], [
3241 ac_have_as_amd64_fxsave64=no
3242 AC_MSG_RESULT([no])
3243 ])
3244 if test x$ac_have_as_amd64_fxsave64 = xyes ; then
3245 AC_DEFINE(HAVE_AS_AMD64_FXSAVE64, 1, [Define to 1 if as supports fxsave64/fxrstor64.])
3246 fi
3248 # does the x86/amd64 assembler understand SSE3 instructions?
3249 # Note, this doesn't generate a C-level symbol. It generates a
3250 # automake-level symbol (BUILD_SSE3_TESTS), used in test Makefile.am's
3251 AC_MSG_CHECKING([if x86/amd64 assembler speaks SSE3])
3253 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3254 do { long long int x;
3255 __asm__ __volatile__("fisttpq (%0)" : :"r"(&x) ); }
3256 while (0)
3257 ]])], [
3258 ac_have_as_sse3=yes
3259 AC_MSG_RESULT([yes])
3260 ], [
3261 ac_have_as_sse3=no
3262 AC_MSG_RESULT([no])
3263 ])
3265 AM_CONDITIONAL(BUILD_SSE3_TESTS, test x$ac_have_as_sse3 = xyes)
3268 # Ditto for SSSE3 instructions (note extra S)
3269 # Note, this doesn't generate a C-level symbol. It generates a
3270 # automake-level symbol (BUILD_SSSE3_TESTS), used in test Makefile.am's
3271 AC_MSG_CHECKING([if x86/amd64 assembler speaks SSSE3])
3273 save_CFLAGS="$CFLAGS"
3274 CFLAGS="$CFLAGS -msse -Werror"
3275 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3276 do { long long int x;
3277 __asm__ __volatile__(
3278 "pabsb (%0),%%xmm7" : : "r"(&x) : "xmm7" ); }
3279 while (0)
3280 ]])], [
3281 ac_have_as_ssse3=yes
3282 AC_MSG_RESULT([yes])
3283 ], [
3284 ac_have_as_ssse3=no
3285 AC_MSG_RESULT([no])
3286 ])
3287 CFLAGS="$save_CFLAGS"
3289 AM_CONDITIONAL(BUILD_SSSE3_TESTS, test x$ac_have_as_ssse3 = xyes)
3292 # does the x86/amd64 assembler understand the PCLMULQDQ instruction?
3293 # Note, this doesn't generate a C-level symbol. It generates a
3294 # automake-level symbol (BUILD_PCLMULQDQ_TESTS), used in test Makefile.am's
3295 AC_MSG_CHECKING([if x86/amd64 assembler supports 'pclmulqdq'])
3296 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3297 do {
3298 __asm__ __volatile__(
3299 "pclmulqdq \$17,%%xmm6,%%xmm7" : : : "xmm6", "xmm7" ); }
3300 while (0)
3301 ]])], [
3302 ac_have_as_pclmulqdq=yes
3303 AC_MSG_RESULT([yes])
3304 ], [
3305 ac_have_as_pclmulqdq=no
3306 AC_MSG_RESULT([no])
3307 ])
3309 AM_CONDITIONAL(BUILD_PCLMULQDQ_TESTS, test x$ac_have_as_pclmulqdq = xyes)
3312 # does the x86/amd64 assembler understand the VPCLMULQDQ instruction?
3313 # Note, this doesn't generate a C-level symbol. It generates a
3314 # automake-level symbol (BUILD_VPCLMULQDQ_TESTS), used in test Makefile.am's
3315 AC_MSG_CHECKING([if x86/amd64 assembler supports 'vpclmulqdq'])
3316 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3317 do {
3318 /*
3319 * Carry-less multiplication of xmm1 with xmm2 and store the result in
3320 * xmm3. The immediate is used to determine which quadwords of xmm1 and
3321 * xmm2 should be used.
3322 */
3323 __asm__ __volatile__(
3324 "vpclmulqdq \$0,%%xmm1,%%xmm2,%%xmm3" : : : );
3325 } while (0)
3326 ]])], [
3327 ac_have_as_vpclmulqdq=yes
3328 AC_MSG_RESULT([yes])
3329 ], [
3330 ac_have_as_vpclmulqdq=no
3331 AC_MSG_RESULT([no])
3332 ])
3334 AM_CONDITIONAL(BUILD_VPCLMULQDQ_TESTS, test x$ac_have_as_vpclmulqdq = xyes)
3337 # does the x86/amd64 assembler understand FMA4 instructions?
3338 # Note, this doesn't generate a C-level symbol. It generates a
3339 # automake-level symbol (BUILD_AFM4_TESTS), used in test Makefile.am's
3340 AC_MSG_CHECKING([if x86/amd64 assembler supports FMA4 'vfmaddpd'])
3341 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3342 do {
3343 __asm__ __volatile__(
3344 "vfmaddpd %%xmm7,%%xmm8,%%xmm6,%%xmm9" : : : );
3345 } while (0)
3346 ]])], [
3347 ac_have_as_vfmaddpd=yes
3348 AC_MSG_RESULT([yes])
3349 ], [
3350 ac_have_as_vfmaddpd=no
3351 AC_MSG_RESULT([no])
3352 ])
3354 AM_CONDITIONAL(BUILD_FMA4_TESTS, test x$ac_have_as_vfmaddpd = xyes)
3357 # does the x86/amd64 assembler understand the LZCNT instruction?
3358 # Note, this doesn't generate a C-level symbol. It generates a
3359 # automake-level symbol (BUILD_LZCNT_TESTS), used in test Makefile.am's
3360 AC_MSG_CHECKING([if x86/amd64 assembler supports 'lzcnt'])
3362 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3363 do {
3364 __asm__ __volatile__("lzcnt %%rax,%%rax" : : : "rax");
3365 } while (0)
3366 ]])], [
3367 ac_have_as_lzcnt=yes
3368 AC_MSG_RESULT([yes])
3369 ], [
3370 ac_have_as_lzcnt=no
3371 AC_MSG_RESULT([no])
3372 ])
3374 AM_CONDITIONAL([BUILD_LZCNT_TESTS], [test x$ac_have_as_lzcnt = xyes])
3377 # does the x86/amd64 assembler understand the LOOPNEL instruction?
3378 # Note, this doesn't generate a C-level symbol. It generates a
3379 # automake-level symbol (BUILD_LOOPNEL_TESTS), used in test Makefile.am's
3380 AC_MSG_CHECKING([if x86/amd64 assembler supports 'loopnel'])
3382 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3383 do {
3384 __asm__ __volatile__("1: loopnel 1b\n");
3385 } while (0)
3386 ]])], [
3387 ac_have_as_loopnel=yes
3388 AC_MSG_RESULT([yes])
3389 ], [
3390 ac_have_as_loopnel=no
3391 AC_MSG_RESULT([no])
3392 ])
3394 AM_CONDITIONAL([BUILD_LOOPNEL_TESTS], [test x$ac_have_as_loopnel = xyes])
3397 # does the x86/amd64 assembler understand ADDR32 ?
3398 # Note, this doesn't generate a C-level symbol. It generates a
3399 # automake-level symbol (BUILD_ADDR32_TESTS), used in test Makefile.am's
3400 AC_MSG_CHECKING([if x86/amd64 assembler supports 'addr32'])
3402 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3403 do {
3404 asm volatile ("addr32 rep movsb");
3405 } while (0)
3406 ]])], [
3407 ac_have_as_addr32=yes
3408 AC_MSG_RESULT([yes])
3409 ], [
3410 ac_have_as_addr32=no
3411 AC_MSG_RESULT([no])
3412 ])
3414 AM_CONDITIONAL([BUILD_ADDR32_TESTS], [test x$ac_have_as_addr32 = xyes])
3417 # does the x86/amd64 assembler understand SSE 4.2 instructions?
3418 # Note, this doesn't generate a C-level symbol. It generates a
3419 # automake-level symbol (BUILD_SSE42_TESTS), used in test Makefile.am's
3420 AC_MSG_CHECKING([if x86/amd64 assembler speaks SSE4.2])
3422 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3423 do { long long int x;
3424 __asm__ __volatile__(
3425 "crc32q %%r15,%%r15" : : : "r15" );
3426 __asm__ __volatile__(
3427 "pblendvb (%%rcx), %%xmm11" : : : "memory", "xmm11");
3428 __asm__ __volatile__(
3429 "aesdec %%xmm2, %%xmm1" : : : "xmm2", "xmm1"); }
3430 while (0)
3431 ]])], [
3432 ac_have_as_sse42=yes
3433 AC_MSG_RESULT([yes])
3434 ], [
3435 ac_have_as_sse42=no
3436 AC_MSG_RESULT([no])
3437 ])
3439 AM_CONDITIONAL(BUILD_SSE42_TESTS, test x$ac_have_as_sse42 = xyes)
3442 # does the x86/amd64 assembler understand AVX instructions?
3443 # Note, this doesn't generate a C-level symbol. It generates a
3444 # automake-level symbol (BUILD_AVX_TESTS), used in test Makefile.am's
3445 AC_MSG_CHECKING([if x86/amd64 assembler speaks AVX])
3447 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3448 do { long long int x;
3449 __asm__ __volatile__(
3450 "vmovupd (%%rsp), %%ymm7" : : : "xmm7" );
3451 __asm__ __volatile__(
3452 "vaddpd %%ymm6,%%ymm7,%%ymm8" : : : "xmm6","xmm7","xmm8"); }
3453 while (0)
3454 ]])], [
3455 ac_have_as_avx=yes
3456 AC_MSG_RESULT([yes])
3457 ], [
3458 ac_have_as_avx=no
3459 AC_MSG_RESULT([no])
3460 ])
3462 AM_CONDITIONAL(BUILD_AVX_TESTS, test x$ac_have_as_avx = xyes)
3465 # does the x86/amd64 assembler understand AVX2 instructions?
3466 # Note, this doesn't generate a C-level symbol. It generates a
3467 # automake-level symbol (BUILD_AVX2_TESTS), used in test Makefile.am's
3468 AC_MSG_CHECKING([if x86/amd64 assembler speaks AVX2])
3470 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3471 do { long long int x;
3472 __asm__ __volatile__(
3473 "vpsravd (%%rsp), %%ymm8, %%ymm7" : : : "xmm7", "xmm8" );
3474 __asm__ __volatile__(
3475 "vpaddb %%ymm6,%%ymm7,%%ymm8" : : : "xmm6","xmm7","xmm8"); }
3476 while (0)
3477 ]])], [
3478 ac_have_as_avx2=yes
3479 AC_MSG_RESULT([yes])
3480 ], [
3481 ac_have_as_avx2=no
3482 AC_MSG_RESULT([no])
3483 ])
3485 AM_CONDITIONAL(BUILD_AVX2_TESTS, test x$ac_have_as_avx2 = xyes)
3488 # does the x86/amd64 assembler understand TSX instructions and
3489 # the XACQUIRE/XRELEASE prefixes?
3490 # Note, this doesn't generate a C-level symbol. It generates a
3491 # automake-level symbol (BUILD_TSX_TESTS), used in test Makefile.am's
3492 AC_MSG_CHECKING([if x86/amd64 assembler speaks TSX])
3494 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3495 do {
3496 __asm__ __volatile__(
3497 " xbegin Lfoo \n\t"
3498 "Lfoo: xend \n\t"
3499 " xacquire lock incq 0(%rsp) \n\t"
3500 " xrelease lock incq 0(%rsp) \n"
3501 );
3502 } while (0)
3503 ]])], [
3504 ac_have_as_tsx=yes
3505 AC_MSG_RESULT([yes])
3506 ], [
3507 ac_have_as_tsx=no
3508 AC_MSG_RESULT([no])
3509 ])
3511 AM_CONDITIONAL(BUILD_TSX_TESTS, test x$ac_have_as_tsx = xyes)
3514 # does the x86/amd64 assembler understand BMI1 and BMI2 instructions?
3515 # Note, this doesn't generate a C-level symbol. It generates a
3516 # automake-level symbol (BUILD_BMI_TESTS), used in test Makefile.am's
3517 AC_MSG_CHECKING([if x86/amd64 assembler speaks BMI1 and BMI2])
3519 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3520 do { unsigned int h, l;
3521 __asm__ __volatile__( "mulx %rax,%rcx,%r8" );
3522 __asm__ __volatile__(
3523 "andn %2, %1, %0" : "=r" (h) : "r" (0x1234567), "r" (0x7654321) );
3524 __asm__ __volatile__(
3525 "movl %2, %%edx; mulx %3, %1, %0" : "=r" (h), "=r" (l) : "g" (0x1234567), "rm" (0x7654321) : "edx" ); }
3526 while (0)
3527 ]])], [
3528 ac_have_as_bmi=yes
3529 AC_MSG_RESULT([yes])
3530 ], [
3531 ac_have_as_bmi=no
3532 AC_MSG_RESULT([no])
3533 ])
3535 AM_CONDITIONAL(BUILD_BMI_TESTS, test x$ac_have_as_bmi = xyes)
3538 # does the x86/amd64 assembler understand FMA instructions?
3539 # Note, this doesn't generate a C-level symbol. It generates a
3540 # automake-level symbol (BUILD_FMA_TESTS), used in test Makefile.am's
3541 AC_MSG_CHECKING([if x86/amd64 assembler speaks FMA])
3543 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3544 do { unsigned int h, l;
3545 __asm__ __volatile__(
3546 "vfmadd132ps (%%rsp), %%ymm8, %%ymm7" : : : "xmm7", "xmm8" );
3547 __asm__ __volatile__(
3548 "vfnmsub231sd (%%rsp), %%xmm8, %%xmm7" : : : "xmm7", "xmm8" );
3549 __asm__ __volatile__(
3550 "vfmsubadd213pd (%%rsp), %%xmm8, %%xmm7" : : : "xmm7", "xmm8" ); }
3551 while (0)
3552 ]])], [
3553 ac_have_as_fma=yes
3554 AC_MSG_RESULT([yes])
3555 ], [
3556 ac_have_as_fma=no
3557 AC_MSG_RESULT([no])
3558 ])
3560 AM_CONDITIONAL(BUILD_FMA_TESTS, test x$ac_have_as_fma = xyes)
3563 # does the amd64 assembler understand MPX instructions?
3564 # Note, this doesn't generate a C-level symbol. It generates a
3565 # automake-level symbol (BUILD_MPX_TESTS), used in test Makefile.am's
3566 AC_MSG_CHECKING([if amd64 assembler knows the MPX instructions])
3568 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3569 do {
3570 asm ("bndmov %bnd0,(%rsp)");
3571 asm ("bndldx 3(%rbx,%rdx), %bnd2");
3572 asm ("bnd call foo\n"
3573 "bnd jmp end\n"
3574 "foo: bnd ret\n"
3575 "end: nop");
3576 } while (0)
3577 ]])], [
3578 ac_have_as_mpx=yes
3579 AC_MSG_RESULT([yes])
3580 ], [
3581 ac_have_as_mpx=no
3582 AC_MSG_RESULT([no])
3583 ])
3585 AM_CONDITIONAL(BUILD_MPX_TESTS, test x$ac_have_as_mpx = xyes)
3588 # does the amd64 assembler understand ADX instructions?
3589 # Note, this doesn't generate a C-level symbol. It generates a
3590 # automake-level symbol (BUILD_ADX_TESTS), used in test Makefile.am's
3591 AC_MSG_CHECKING([if amd64 assembler knows the ADX instructions])
3593 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3594 do {
3595 asm ("adcxq %r14,%r8");
3596 } while (0)
3597 ]])], [
3598 ac_have_as_adx=yes
3599 AC_MSG_RESULT([yes])
3600 ], [
3601 ac_have_as_adx=no
3602 AC_MSG_RESULT([no])
3603 ])
3605 AM_CONDITIONAL(BUILD_ADX_TESTS, test x$ac_have_as_adx = xyes)
3608 # does the amd64 assembler understand the RDRAND instruction?
3609 # Note, this doesn't generate a C-level symbol. It generates a
3610 # automake-level symbol (BUILD_RDRAND_TESTS), used in test Makefile.am's
3611 AC_MSG_CHECKING([if amd64 assembler knows the RDRAND instruction])
3613 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3614 do {
3615 asm ("rdrand %r14");
3616 asm ("rdrand %r14d");
3617 asm ("rdrand %r14w");
3618 } while (0)
3619 ]])], [
3620 ac_have_as_rdrand=yes
3621 AC_MSG_RESULT([yes])
3622 ], [
3623 ac_have_as_rdrand=no
3624 AC_MSG_RESULT([no])
3625 ])
3627 AM_CONDITIONAL(BUILD_RDRAND_TESTS, test x$ac_have_as_rdrand = xyes)
3629 # does the amd64 assembler understand the RDSEED instruction?
3630 # Note, this doesn't generate a C-level symbol. It generates a
3631 # automake-level symbol (BUILD_RDSEED_TESTS), used in test Makefile.am's
3632 AC_MSG_CHECKING([if amd64 assembler knows the RDSEED instruction])
3634 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3635 do {
3636 asm ("rdseed %r14");
3637 asm ("rdseed %r14d");
3638 asm ("rdseed %r14w");
3639 } while (0)
3640 ]])], [
3641 ac_have_as_rdseed=yes
3642 AC_MSG_RESULT([yes])
3643 ], [
3644 ac_have_as_rdseed=no
3645 AC_MSG_RESULT([no])
3646 ])
3648 AM_CONDITIONAL(BUILD_RDSEED_TESTS, test x$ac_have_as_rdseed = xyes)
3650 # does the amd64 assembler understand the F16C instructions (VCVTPH2PS and
3651 # VCVTPS2PH) ?
3652 # Note, this doesn't generate a C-level symbol. It generates a
3653 # automake-level symbol (BUILD_F16C_TESTS), used in test Makefile.am's
3654 AC_MSG_CHECKING([if amd64 assembler knows the F16C instructions])
3656 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3657 do {
3658 asm ("vcvtph2ps %xmm5, %ymm10");
3659 // If we put the dollar sign and zero together, the shell processing
3660 // this configure.ac script substitutes the command name in. Sigh.
3661 asm ("vcvtps2ph $" "0, %ymm10, %xmm5");
3662 } while (0)
3663 ]])], [
3664 ac_have_as_f16c=yes
3665 AC_MSG_RESULT([yes])
3666 ], [
3667 ac_have_as_f16c=no
3668 AC_MSG_RESULT([no])
3669 ])
3671 AM_CONDITIONAL(BUILD_F16C_TESTS, test x$ac_have_as_f16c = xyes)
3674 # does the x86/amd64 assembler understand MOVBE?
3675 # Note, this doesn't generate a C-level symbol. It generates a
3676 # automake-level symbol (BUILD_MOVBE_TESTS), used in test Makefile.am's
3677 AC_MSG_CHECKING([if x86/amd64 assembler knows the MOVBE insn])
3679 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3680 do { long long int x;
3681 __asm__ __volatile__(
3682 "movbe (%%rsp), %%r15" : : : "memory", "r15" ); }
3683 while (0)
3684 ]])], [
3685 ac_have_as_movbe=yes
3686 AC_MSG_RESULT([yes])
3687 ], [
3688 ac_have_as_movbe=no
3689 AC_MSG_RESULT([no])
3690 ])
3692 AM_CONDITIONAL(BUILD_MOVBE_TESTS, test x$ac_have_as_movbe = xyes)
3695 # Does the C compiler support the "ifunc" attribute
3696 # Note, this doesn't generate a C-level symbol. It generates a
3697 # automake-level symbol (BUILD_IFUNC_TESTS), used in test Makefile.am's
3698 AC_MSG_CHECKING([if gcc supports the ifunc attribute])
3700 AC_LINK_IFELSE([AC_LANG_SOURCE([[
3701 static void mytest(void) {}
3703 static void (*resolve_test(void))(void)
3704 {
3705 return (void (*)(void))&mytest;
3706 }
3708 void test(void) __attribute__((ifunc("resolve_test")));
3710 int main()
3711 {
3712 test();
3713 return 0;
3714 }
3715 ]])], [
3716 ac_have_ifunc_attr=yes
3717 AC_MSG_RESULT([yes])
3718 ], [
3719 ac_have_ifunc_attr=no
3720 AC_MSG_RESULT([no])
3721 ])
3723 AM_CONDITIONAL(BUILD_IFUNC_TESTS, test x$ac_have_ifunc_attr = xyes)
3725 # Does the C compiler support the armv8 crc feature flag
3726 # Note, this doesn't generate a C-level symbol. It generates a
3727 # automake-level symbol (BUILD_ARMV8_CRC_TESTS), used in test Makefile.am's
3728 AC_MSG_CHECKING([if gcc supports the armv8 crc feature flag])
3730 save_CFLAGS="$CFLAGS"
3731 CFLAGS="$CFLAGS -march=armv8-a+crc -Werror"
3732 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
3733 int main()
3734 {
3735 return 0;
3736 }
3737 ]])], [
3738 ac_have_armv8_crc_feature=yes
3739 AC_MSG_RESULT([yes])
3740 ], [
3741 ac_have_armv8_crc_feature=no
3742 AC_MSG_RESULT([no])
3743 ])
3744 CFLAGS="$save_CFLAGS"
3746 AM_CONDITIONAL(BUILD_ARMV8_CRC_TESTS, test x$ac_have_armv8_crc_feature = xyes)
3749 # Does the C compiler support the armv81 flag and the assembler v8.1 instructions
3750 # Note, this doesn't generate a C-level symbol. It generates a
3751 # automake-level symbol (BUILD_ARMV81_TESTS), used in test Makefile.am's
3752 AC_MSG_CHECKING([if gcc supports the armv81 feature flag and assembler supports v8.1 instructions])
3754 save_CFLAGS="$CFLAGS"
3755 CFLAGS="$CFLAGS -march=armv8.1-a -Werror"
3756 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
3757 int main()
3758 {
3759 __asm__ __volatile__("ldadd x0, x1, [x2]" ::: "memory");
3760 return 0;
3761 }
3762 ]])], [
3763 ac_have_armv81_feature=yes
3764 AC_MSG_RESULT([yes])
3765 ], [
3766 ac_have_armv81_feature=no
3767 AC_MSG_RESULT([no])
3768 ])
3769 CFLAGS="$save_CFLAGS"
3771 AM_CONDITIONAL(BUILD_ARMV81_TESTS, test x$ac_have_armv81_feature = xyes)
3774 # Does the C compiler support the armv82 flag and the assembler v8.2 instructions
3775 # Note, this doesn't generate a C-level symbol. It generates a
3776 # automake-level symbol (BUILD_ARMV82_TESTS), used in test Makefile.am's
3777 AC_MSG_CHECKING([if gcc supports the armv82 feature flag and assembler supports v8.2 instructions])
3779 save_CFLAGS="$CFLAGS"
3780 CFLAGS="$CFLAGS -march=armv8.2-a+fp16 -Werror"
3781 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
3782 int main()
3783 {
3784 __asm__ __volatile__("faddp h0, v1.2h");
3785 return 0;
3786 }
3787 ]])], [
3788 ac_have_armv82_feature=yes
3789 AC_MSG_RESULT([yes])
3790 ], [
3791 ac_have_armv82_feature=no
3792 AC_MSG_RESULT([no])
3793 ])
3794 CFLAGS="$save_CFLAGS"
3796 AM_CONDITIONAL(BUILD_ARMV82_TESTS, test x$ac_have_armv82_feature = xyes)
3799 # Does the C compiler support the armv82-a+dotprod flag and assembler dotprod instructions
3800 # Note, this doesn't generate a C-level symbol. It generates a
3801 # automake-level symbol (BUILD_ARMV82_DOTPROD_TESTS), used in test Makefile.am's
3802 AC_MSG_CHECKING([if gcc supports the armv82-a+dotprod feature flag and assembler supports dotprod instructions])
3804 save_CFLAGS="$CFLAGS"
3805 CFLAGS="$CFLAGS -march=armv8.2-a+dotprod -Werror"
3806 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
3807 int main()
3808 {
3809 __asm__ __volatile__("sdot v1.4s, v2.16b, v3.16b");
3810 return 0;
3811 }
3812 ]])], [
3813 ac_have_armv82_dotprod_feature=yes
3814 AC_MSG_RESULT([yes])
3815 ], [
3816 ac_have_armv82_dotprod_feature=no
3817 AC_MSG_RESULT([no])
3818 ])
3819 CFLAGS="$save_CFLAGS"
3821 AM_CONDITIONAL(BUILD_ARMV82_DOTPROD_TESTS, test x$ac_have_armv82_dotprod_feature = xyes)
3824 # XXX JRS 2010 Oct 13: what is this for? For sure, we don't need this
3825 # when building the tool executables. I think we should get rid of it.
3826 #
3827 # Check for TLS support in the compiler and linker
3828 AC_LINK_IFELSE([AC_LANG_PROGRAM([[static __thread int foo;]],
3829 [[return foo;]])],
3830 [vg_cv_linktime_tls=yes],
3831 [vg_cv_linktime_tls=no])
3832 # Native compilation: check whether running a program using TLS succeeds.
3833 # Linking only is not sufficient -- e.g. on Red Hat 7.3 linking TLS programs
3834 # succeeds but running programs using TLS fails.
3835 # Cross-compiling: check whether linking a program using TLS succeeds.
3836 AC_CACHE_CHECK([for TLS support], vg_cv_tls,
3837 [AC_ARG_ENABLE(tls, [ --enable-tls platform supports TLS],
3838 [vg_cv_tls=$enableval],
3839 [AC_RUN_IFELSE([AC_LANG_PROGRAM([[static __thread int foo;]],
3840 [[return foo;]])],
3841 [vg_cv_tls=yes],
3842 [vg_cv_tls=no],
3843 [vg_cv_tls=$vg_cv_linktime_tls])])])
3845 if test "$vg_cv_tls" = yes -a $is_clang != applellvm; then
3846 AC_DEFINE([HAVE_TLS], 1, [can use __thread to define thread-local variables])
3847 fi
3850 #----------------------------------------------------------------------------
3851 # Solaris-specific checks.
3852 #----------------------------------------------------------------------------
3854 if test "$VGCONF_OS" = "solaris" ; then
3855 AC_CHECK_HEADERS([sys/lgrp_user_impl.h])
3857 # Solaris-specific check determining if the Sun Studio Assembler is used to
3858 # build Valgrind. The test checks if the x86/amd64 assembler understands the
3859 # cmovl.l instruction, if yes then it's Sun Assembler.
3860 #
3861 # C-level symbol: none
3862 # Automake-level symbol: SOLARIS_SUN_STUDIO_AS
3863 #
3864 AC_MSG_CHECKING([if x86/amd64 assembler speaks cmovl.l (Solaris-specific)])
3865 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3866 ]], [[
3867 __asm__ __volatile__("cmovl.l %edx, %eax");
3868 ]])], [
3869 solaris_have_sun_studio_as=yes
3870 AC_MSG_RESULT([yes])
3871 ], [
3872 solaris_have_sun_studio_as=no
3873 AC_MSG_RESULT([no])
3874 ])
3875 AM_CONDITIONAL(SOLARIS_SUN_STUDIO_AS, test x$solaris_have_sun_studio_as = xyes)
3877 # Solaris-specific check determining if symbols __xpg4 and __xpg6
3878 # are present in linked shared libraries when gcc is invoked with -std=gnu99.
3879 # See solaris/vgpreload-solaris.mapfile for details.
3880 # gcc on older Solaris instructs linker to include these symbols,
3881 # gcc on illumos and newer Solaris does not.
3882 #
3883 # C-level symbol: none
3884 # Automake-level symbol: SOLARIS_XPG_SYMBOLS_PRESENT
3885 #
3886 save_CFLAGS="$CFLAGS"
3887 CFLAGS="$CFLAGS -std=gnu99"
3888 AC_MSG_CHECKING([if xpg symbols are present with -std=gnu99 (Solaris-specific)])
3889 temp_dir=$( /usr/bin/mktemp -d )
3890 cat <<_ACEOF >${temp_dir}/mylib.c
3891 #include <stdio.h>
3892 int myfunc(void) { printf("LaPutyka\n"); }
3893 _ACEOF
3894 ${CC} ${CFLAGS} -fpic -shared -o ${temp_dir}/mylib.so ${temp_dir}/mylib.c
3895 xpg_present=$( /usr/bin/nm ${temp_dir}/mylib.so | ${EGREP} '(__xpg4|__xpg6)' )
3896 if test "x${xpg_present}" = "x" ; then
3897 solaris_xpg_symbols_present=no
3898 AC_MSG_RESULT([no])
3899 else
3900 solaris_xpg_symbols_present=yes
3901 AC_MSG_RESULT([yes])
3902 fi
3903 rm -rf ${temp_dir}
3904 AM_CONDITIONAL(SOLARIS_XPG_SYMBOLS_PRESENT, test x$solaris_xpg_symbols_present = xyes)
3905 CFLAGS="$save_CFLAGS"
3908 # Solaris-specific check determining if gcc enables largefile support by
3909 # default for 32-bit executables. If it does, then set SOLARIS_UNDEF_LARGESOURCE
3910 # variable with gcc flags which disable it.
3911 #
3912 AC_MSG_CHECKING([if gcc enables largefile support for 32-bit apps (Solaris-specific)])
3913 save_CFLAGS="$CFLAGS"
3914 CFLAGS="$CFLAGS -m32"
3915 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3916 return _LARGEFILE_SOURCE;
3917 ]])], [
3918 SOLARIS_UNDEF_LARGESOURCE="-U_LARGEFILE_SOURCE -U_LARGEFILE64_SOURCE -U_FILE_OFFSET_BITS"
3919 AC_MSG_RESULT([yes])
3920 ], [
3921 SOLARIS_UNDEF_LARGESOURCE=""
3922 AC_MSG_RESULT([no])
3923 ])
3924 CFLAGS=$safe_CFLAGS
3925 AC_SUBST(SOLARIS_UNDEF_LARGESOURCE)
3928 # Solaris-specific check determining if /proc/self/cmdline
3929 # or /proc/<pid>/cmdline is supported.
3930 #
3931 # C-level symbol: SOLARIS_PROC_CMDLINE
3932 # Automake-level symbol: SOLARIS_PROC_CMDLINE
3933 #
3934 AC_CHECK_FILE([/proc/self/cmdline],
3935 [
3936 solaris_proc_cmdline=yes
3937 AC_DEFINE([SOLARIS_PROC_CMDLINE], 1,
3938 [Define to 1 if you have /proc/self/cmdline.])
3939 ], [
3940 solaris_proc_cmdline=no
3941 ])
3942 AM_CONDITIONAL(SOLARIS_PROC_CMDLINE, test x$solaris_proc_cmdline = xyes)
3945 # Solaris-specific check determining default platform for the Valgrind launcher.
3946 # Used in case the launcher cannot select platform by looking at the client
3947 # image (for example because the executable is a shell script).
3948 #
3949 # C-level symbol: SOLARIS_LAUNCHER_DEFAULT_PLATFORM
3950 # Automake-level symbol: none
3951 #
3952 AC_MSG_CHECKING([for default platform of Valgrind launcher (Solaris-specific)])
3953 # Get the ELF class of /bin/sh first.
3954 if ! test -f /bin/sh; then
3955 AC_MSG_ERROR([Shell interpreter `/bin/sh' not found.])
3956 fi
3957 elf_class=$( /usr/bin/file /bin/sh | sed -n 's/.*ELF \(..\)-bit.*/\1/p' )
3958 case "$elf_class" in
3959 64)
3960 default_arch="$VGCONF_ARCH_PRI";
3961 ;;
3962 32)
3963 if test "x$VGCONF_ARCH_SEC" != "x"; then
3964 default_arch="$VGCONF_ARCH_SEC"
3965 else
3966 default_arch="$VGCONF_ARCH_PRI";
3967 fi
3968 ;;
3969 *)
3970 AC_MSG_ERROR([Cannot determine ELF class of `/bin/sh'.])
3971 ;;
3972 esac
3973 default_platform="$default_arch-$VGCONF_OS"
3974 AC_MSG_RESULT([$default_platform])
3975 AC_DEFINE_UNQUOTED([SOLARIS_LAUNCHER_DEFAULT_PLATFORM], ["$default_platform"],
3976 [Default platform for Valgrind launcher.])
3979 # Solaris-specific check determining if the old syscalls are available.
3980 #
3981 # C-level symbol: SOLARIS_OLD_SYSCALLS
3982 # Automake-level symbol: SOLARIS_OLD_SYSCALLS
3983 #
3984 AC_MSG_CHECKING([for the old Solaris syscalls (Solaris-specific)])
3985 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3986 #include <sys/syscall.h>
3987 ]], [[
3988 return !SYS_open;
3989 ]])], [
3990 solaris_old_syscalls=yes
3991 AC_MSG_RESULT([yes])
3992 AC_DEFINE([SOLARIS_OLD_SYSCALLS], 1,
3993 [Define to 1 if you have the old Solaris syscalls.])
3994 ], [
3995 solaris_old_syscalls=no
3996 AC_MSG_RESULT([no])
3997 ])
3998 AM_CONDITIONAL(SOLARIS_OLD_SYSCALLS, test x$solaris_old_syscalls = xyes)
4001 # Solaris-specific check determining if the new accept() syscall is available.
4002 #
4003 # Old syscall:
4004 # int accept(int sock, struct sockaddr *name, socklen_t *namelenp,
4005 # int version);
4006 #
4007 # New syscall (available on illumos):
4008 # int accept(int sock, struct sockaddr *name, socklen_t *namelenp,
4009 # int version, int flags);
4010 #
4011 # If the old syscall is present then the following syscall will fail with
4012 # ENOTSOCK (because file descriptor 0 is not a socket), if the new syscall is
4013 # available then it will fail with EINVAL (because the flags parameter is
4014 # invalid).
4015 #
4016 # C-level symbol: SOLARIS_NEW_ACCEPT_SYSCALL
4017 # Automake-level symbol: none
4018 #
4019 AC_MSG_CHECKING([for the new `accept' syscall (Solaris-specific)])
4020 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
4021 #include <sys/syscall.h>
4022 #include <errno.h>
4023 ]], [[
4024 errno = 0;
4025 syscall(SYS_accept, 0, 0, 0, 0, -1);
4026 return !(errno == EINVAL);
4027 ]])], [
4028 AC_MSG_RESULT([yes])
4029 AC_DEFINE([SOLARIS_NEW_ACCEPT_SYSCALL], 1,
4030 [Define to 1 if you have the new `accept' syscall.])
4031 ], [
4032 AC_MSG_RESULT([no])
4033 ])
4036 # Solaris-specific check determining if the new illumos pipe() syscall is
4037 # available.
4038 #
4039 # Old syscall:
4040 # longlong_t pipe();
4041 #
4042 # New syscall (available on illumos):
4043 # int pipe(intptr_t arg, int flags);
4044 #
4045 # If the old syscall is present then the following call will succeed, if the
4046 # new syscall is available then it will fail with EFAULT (because address 0
4047 # cannot be accessed).
4048 #
4049 # C-level symbol: SOLARIS_NEW_PIPE_SYSCALL
4050 # Automake-level symbol: none
4051 #
4052 AC_MSG_CHECKING([for the new `pipe' syscall (Solaris-specific)])
4053 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
4054 #include <sys/syscall.h>
4055 #include <errno.h>
4056 ]], [[
4057 errno = 0;
4058 syscall(SYS_pipe, 0, 0);
4059 return !(errno == EFAULT);
4060 ]])], [
4061 AC_MSG_RESULT([yes])
4062 AC_DEFINE([SOLARIS_NEW_PIPE_SYSCALL], 1,
4063 [Define to 1 if you have the new `pipe' syscall.])
4064 ], [
4065 AC_MSG_RESULT([no])
4066 ])
4069 # Solaris-specific check determining if the new lwp_sigqueue() syscall is
4070 # available.
4071 #
4072 # Old syscall:
4073 # int lwp_kill(id_t lwpid, int sig);
4074 #
4075 # New syscall (available on Solaris 11):
4076 # int lwp_sigqueue(id_t lwpid, int sig, void *value,
4077 # int si_code, timespec_t *timeout);
4078 #
4079 # C-level symbol: SOLARIS_LWP_SIGQUEUE_SYSCALL
4080 # Automake-level symbol: SOLARIS_LWP_SIGQUEUE_SYSCALL
4081 #
4082 AC_MSG_CHECKING([for the new `lwp_sigqueue' syscall (Solaris-specific)])
4083 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4084 #include <sys/syscall.h>
4085 ]], [[
4086 return !SYS_lwp_sigqueue;
4087 ]])], [
4088 solaris_lwp_sigqueue_syscall=yes
4089 AC_MSG_RESULT([yes])
4090 AC_DEFINE([SOLARIS_LWP_SIGQUEUE_SYSCALL], 1,
4091 [Define to 1 if you have the new `lwp_sigqueue' syscall.])
4092 ], [
4093 solaris_lwp_sigqueue_syscall=no
4094 AC_MSG_RESULT([no])
4095 ])
4096 AM_CONDITIONAL(SOLARIS_LWP_SIGQUEUE_SYSCALL, test x$solaris_lwp_sigqueue_syscall = xyes)
4099 # Solaris-specific check determining if the lwp_sigqueue() syscall
4100 # takes both pid and thread id arguments or just thread id.
4101 #
4102 # Old syscall (available up to Solaris 11.3):
4103 # int lwp_sigqueue(id_t lwpid, int sig, void *value,
4104 # int si_code, timespec_t *timeout);
4105 #
4106 # New syscall (available since Solaris 11.4):
4107 # int lwp_sigqueue(pid_t pid, id_t lwpid, int sig, void *value,
4108 # int si_code, timespec_t *timeout);
4109 #
4110 # If the old syscall is present then the following syscall will fail with
4111 # EINVAL (because signal is out of range); if the new syscall is available
4112 # then it will fail with ESRCH (because it would not find such thread in the
4113 # current process).
4114 #
4115 # C-level symbol: SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID
4116 # Automake-level symbol: SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID
4117 #
4118 AM_COND_IF(SOLARIS_LWP_SIGQUEUE_SYSCALL,
4119 AC_MSG_CHECKING([if the `lwp_sigqueue' syscall accepts pid (Solaris-specific)])
4120 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
4121 #include <sys/syscall.h>
4122 #include <errno.h>
4123 ]], [[
4124 errno = 0;
4125 syscall(SYS_lwp_sigqueue, 0, 101, 0, 0, 0, 0);
4126 return !(errno == ESRCH);
4127 ]])], [
4128 solaris_lwp_sigqueue_syscall_takes_pid=yes
4129 AC_MSG_RESULT([yes])
4130 AC_DEFINE([SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID], 1,
4131 [Define to 1 if you have the new `lwp_sigqueue' syscall which accepts pid.])
4132 ], [
4133 solaris_lwp_sigqueue_syscall_takes_pid=no
4134 AC_MSG_RESULT([no])
4135 ])
4136 AM_CONDITIONAL(SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID,
4137 test x$solaris_lwp_sigqueue_syscall_takes_pid = xyes)
4138 ,
4139 AM_CONDITIONAL(SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID, test x = y)
4140 )
4143 # Solaris-specific check determining if the new lwp_name() syscall is
4144 # available.
4145 #
4146 # New syscall (available on Solaris 11):
4147 # int lwp_name(int opcode, id_t lwpid, char *name, size_t len);
4148 #
4149 # C-level symbol: SOLARIS_LWP_NAME_SYSCALL
4150 # Automake-level symbol: SOLARIS_LWP_NAME_SYSCALL
4151 #
4152 AC_MSG_CHECKING([for the new `lwp_name' syscall (Solaris-specific)])
4153 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4154 #include <sys/syscall.h>
4155 ]], [[
4156 return !SYS_lwp_name;
4157 ]])], [
4158 solaris_lwp_name_syscall=yes
4159 AC_MSG_RESULT([yes])
4160 AC_DEFINE([SOLARIS_LWP_NAME_SYSCALL], 1,
4161 [Define to 1 if you have the new `lwp_name' syscall.])
4162 ], [
4163 solaris_lwp_name_syscall=no
4164 AC_MSG_RESULT([no])
4165 ])
4166 AM_CONDITIONAL(SOLARIS_LWP_NAME_SYSCALL, test x$solaris_lwp_name_syscall = xyes)
4169 # Solaris-specific check determining if the new getrandom() syscall is
4170 # available.
4171 #
4172 # New syscall (available on Solaris 11):
4173 # int getrandom(void *buf, size_t buflen, uint_t flags);
4174 #
4175 # C-level symbol: SOLARIS_GETRANDOM_SYSCALL
4176 # Automake-level symbol: SOLARIS_GETRANDOM_SYSCALL
4177 #
4178 AC_MSG_CHECKING([for the new `getrandom' syscall (Solaris-specific)])
4179 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4180 #include <sys/syscall.h>
4181 ]], [[
4182 return !SYS_getrandom;
4183 ]])], [
4184 solaris_getrandom_syscall=yes
4185 AC_MSG_RESULT([yes])
4186 AC_DEFINE([SOLARIS_GETRANDOM_SYSCALL], 1,
4187 [Define to 1 if you have the new `getrandom' syscall.])
4188 ], [
4189 solaris_getrandom_syscall=no
4190 AC_MSG_RESULT([no])
4191 ])
4192 AM_CONDITIONAL(SOLARIS_GETRANDOM_SYSCALL, test x$solaris_getrandom_syscall = xyes)
4195 # Solaris-specific check determining if the new zone() syscall subcodes
4196 # ZONE_LIST_DEFUNCT and ZONE_GETATTR_DEFUNCT are available. These subcodes
4197 # were added in Solaris 11 but are missing on illumos.
4198 #
4199 # C-level symbol: SOLARIS_ZONE_DEFUNCT
4200 # Automake-level symbol: SOLARIS_ZONE_DEFUNCT
4201 #
4202 AC_MSG_CHECKING([for ZONE_LIST_DEFUNCT and ZONE_GETATTR_DEFUNCT (Solaris-specific)])
4203 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4204 #include <sys/zone.h>
4205 ]], [[
4206 return !(ZONE_LIST_DEFUNCT && ZONE_GETATTR_DEFUNCT);
4207 ]])], [
4208 solaris_zone_defunct=yes
4209 AC_MSG_RESULT([yes])
4210 AC_DEFINE([SOLARIS_ZONE_DEFUNCT], 1,
4211 [Define to 1 if you have the `ZONE_LIST_DEFUNCT' and `ZONE_GETATTR_DEFUNC' constants.])
4212 ], [
4213 solaris_zone_defunct=no
4214 AC_MSG_RESULT([no])
4215 ])
4216 AM_CONDITIONAL(SOLARIS_ZONE_DEFUNCT, test x$solaris_zone_defunct = xyes)
4219 # Solaris-specific check determining if commands A_GETSTAT and A_SETSTAT
4220 # for auditon(2) subcode of the auditsys() syscall are available.
4221 # These commands are available in Solaris 11 and illumos but were removed
4222 # in Solaris 11.4.
4223 #
4224 # C-level symbol: SOLARIS_AUDITON_STAT
4225 # Automake-level symbol: SOLARIS_AUDITON_STAT
4226 #
4227 AC_MSG_CHECKING([for A_GETSTAT and A_SETSTAT auditon(2) commands (Solaris-specific)])
4228 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4229 #include <bsm/audit.h>
4230 ]], [[
4231 return !(A_GETSTAT && A_SETSTAT);
4232 ]])], [
4233 solaris_auditon_stat=yes
4234 AC_MSG_RESULT([yes])
4235 AC_DEFINE([SOLARIS_AUDITON_STAT], 1,
4236 [Define to 1 if you have the `A_GETSTAT' and `A_SETSTAT' constants.])
4237 ], [
4238 solaris_auditon_stat=no
4239 AC_MSG_RESULT([no])
4240 ])
4241 AM_CONDITIONAL(SOLARIS_AUDITON_STAT, test x$solaris_auditon_stat = xyes)
4244 # Solaris-specific check determining if the new shmsys() syscall subcodes
4245 # IPC_XSTAT64, SHMADV, SHM_ADV_GET, SHM_ADV_SET and SHMGET_OSM are available.
4246 # These subcodes were added in Solaris 11 but are missing on illumos.
4247 #
4248 # C-level symbol: SOLARIS_SHM_NEW
4249 # Automake-level symbol: SOLARIS_SHM_NEW
4250 #
4251 AC_MSG_CHECKING([for SHMADV, SHM_ADV_GET, SHM_ADV_SET and SHMGET_OSM (Solaris-specific)])
4252 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4253 #include <sys/ipc_impl.h>
4254 #include <sys/shm.h>
4255 #include <sys/shm_impl.h>
4256 ]], [[
4257 return !(IPC_XSTAT64 && SHMADV && SHM_ADV_GET && SHM_ADV_SET && SHMGET_OSM);
4258 ]])], [
4259 solaris_shm_new=yes
4260 AC_MSG_RESULT([yes])
4261 AC_DEFINE([SOLARIS_SHM_NEW], 1,
4262 [Define to 1 if you have the `IPC_XSTAT64', `SHMADV', `SHM_ADV_GET', `SHM_ADV_SET' and `SHMGET_OSM' constants.])
4263 ], [
4264 solaris_shm_new=no
4265 AC_MSG_RESULT([no])
4266 ])
4267 AM_CONDITIONAL(SOLARIS_SHM_NEW, test x$solaris_shm_new = xyes)
4270 # Solaris-specific check determining if prxregset_t is available. Illumos
4271 # currently does not define it on the x86 platform.
4272 #
4273 # C-level symbol: SOLARIS_PRXREGSET_T
4274 # Automake-level symbol: SOLARIS_PRXREGSET_T
4275 #
4276 AC_MSG_CHECKING([for the `prxregset_t' type (Solaris-specific)])
4277 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4278 #include <sys/procfs_isa.h>
4279 ]], [[
4280 return !sizeof(prxregset_t);
4281 ]])], [
4282 solaris_prxregset_t=yes
4283 AC_MSG_RESULT([yes])
4284 AC_DEFINE([SOLARIS_PRXREGSET_T], 1,
4285 [Define to 1 if you have the `prxregset_t' type.])
4286 ], [
4287 solaris_prxregset_t=no
4288 AC_MSG_RESULT([no])
4289 ])
4290 AM_CONDITIONAL(SOLARIS_PRXREGSET_T, test x$solaris_prxregset_t = xyes)
4293 # Solaris-specific check determining if the new frealpathat() syscall is
4294 # available.
4295 #
4296 # New syscall (available on Solaris 11.1):
4297 # int frealpathat(int fd, char *path, char *buf, size_t buflen);
4298 #
4299 # C-level symbol: SOLARIS_FREALPATHAT_SYSCALL
4300 # Automake-level symbol: SOLARIS_FREALPATHAT_SYSCALL
4301 #
4302 AC_MSG_CHECKING([for the new `frealpathat' syscall (Solaris-specific)])
4303 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4304 #include <sys/syscall.h>
4305 ]], [[
4306 return !SYS_frealpathat;
4307 ]])], [
4308 solaris_frealpathat_syscall=yes
4309 AC_MSG_RESULT([yes])
4310 AC_DEFINE([SOLARIS_FREALPATHAT_SYSCALL], 1,
4311 [Define to 1 if you have the new `frealpathat' syscall.])
4312 ], [
4313 solaris_frealpathat_syscall=no
4314 AC_MSG_RESULT([no])
4315 ])
4316 AM_CONDITIONAL(SOLARIS_FREALPATHAT_SYSCALL, test x$solaris_frealpathat_syscall = xyes)
4319 # Solaris-specific check determining if the new uuidsys() syscall is
4320 # available.
4321 #
4322 # New syscall (available on newer Solaris):
4323 # int uuidsys(struct uuid *uuid);
4324 #
4325 # C-level symbol: SOLARIS_UUIDSYS_SYSCALL
4326 # Automake-level symbol: SOLARIS_UUIDSYS_SYSCALL
4327 #
4328 AC_MSG_CHECKING([for the new `uuidsys' syscall (Solaris-specific)])
4329 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4330 #include <sys/syscall.h>
4331 ]], [[
4332 return !SYS_uuidsys;
4333 ]])], [
4334 solaris_uuidsys_syscall=yes
4335 AC_MSG_RESULT([yes])
4336 AC_DEFINE([SOLARIS_UUIDSYS_SYSCALL], 1,
4337 [Define to 1 if you have the new `uuidsys' syscall.])
4338 ], [
4339 solaris_uuidsys_syscall=no
4340 AC_MSG_RESULT([no])
4341 ])
4342 AM_CONDITIONAL(SOLARIS_UUIDSYS_SYSCALL, test x$solaris_uuidsys_syscall = xyes)
4345 # Solaris-specific check determining if the new labelsys() syscall subcode
4346 # TNDB_GET_TNIP is available. This subcode was added in Solaris 11 but is
4347 # missing on illumos.
4348 #
4349 # C-level symbol: SOLARIS_TNDB_GET_TNIP
4350 # Automake-level symbol: SOLARIS_TNDB_GET_TNIP
4351 #
4352 AC_MSG_CHECKING([for TNDB_GET_TNIP (Solaris-specific)])
4353 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4354 #include <sys/tsol/tndb.h>
4355 ]], [[
4356 return !TNDB_GET_TNIP;
4357 ]])], [
4358 solaris_tndb_get_tnip=yes
4359 AC_MSG_RESULT([yes])
4360 AC_DEFINE([SOLARIS_TNDB_GET_TNIP], 1,
4361 [Define to 1 if you have the `TNDB_GET_TNIP' constant.])
4362 ], [
4363 solaris_tndb_get_tnip=no
4364 AC_MSG_RESULT([no])
4365 ])
4366 AM_CONDITIONAL(SOLARIS_TNDB_GET_TNIP, test x$solaris_tndb_get_tnip = xyes)
4369 # Solaris-specific check determining if the new labelsys() syscall opcodes
4370 # TSOL_GETCLEARANCE and TSOL_SETCLEARANCE are available. These opcodes were
4371 # added in Solaris 11 but are missing on illumos.
4372 #
4373 # C-level symbol: SOLARIS_TSOL_CLEARANCE
4374 # Automake-level symbol: SOLARIS_TSOL_CLEARANCE
4375 #
4376 AC_MSG_CHECKING([for TSOL_GETCLEARANCE and TSOL_SETCLEARANCE (Solaris-specific)])
4377 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4378 #include <sys/tsol/tsyscall.h>
4379 ]], [[
4380 return !(TSOL_GETCLEARANCE && TSOL_SETCLEARANCE);
4381 ]])], [
4382 solaris_tsol_clearance=yes
4383 AC_MSG_RESULT([yes])
4384 AC_DEFINE([SOLARIS_TSOL_CLEARANCE], 1,
4385 [Define to 1 if you have the `TSOL_GETCLEARANCE' and `TSOL_SETCLEARANCE' constants.])
4386 ], [
4387 solaris_tsol_clearance=no
4388 AC_MSG_RESULT([no])
4389 ])
4390 AM_CONDITIONAL(SOLARIS_TSOL_CLEARANCE, test x$solaris_tsol_clearance = xyes)
4393 # Solaris-specific check determining if the new pset() syscall subcode
4394 # PSET_GET_NAME is available. This subcode was added in Solaris 11.4 but
4395 # is missing on illumos and Solaris 11.3.
4396 #
4397 # C-level symbol: SOLARIS_PSET_GET_NAME
4398 # Automake-level symbol: SOLARIS_PSET_GET_NAME
4399 #
4400 AC_MSG_CHECKING([for PSET_GET_NAME (Solaris-specific)])
4401 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4402 #include <sys/pset.h>
4403 ]], [[
4404 return !(PSET_GET_NAME);
4405 ]])], [
4406 solaris_pset_get_name=yes
4407 AC_MSG_RESULT([yes])
4408 AC_DEFINE([SOLARIS_PSET_GET_NAME], 1,
4409 [Define to 1 if you have the `PSET_GET_NAME' constants.])
4410 ], [
4411 solaris_pset_get_name=no
4412 AC_MSG_RESULT([no])
4413 ])
4414 AM_CONDITIONAL(SOLARIS_PSET_GET_NAME, test x$solaris_pset_get_name = xyes)
4417 # Solaris-specific check determining if the utimesys() syscall is
4418 # available (on illumos and older Solaris).
4419 #
4420 # C-level symbol: SOLARIS_UTIMESYS_SYSCALL
4421 # Automake-level symbol: SOLARIS_UTIMESYS_SYSCALL
4422 #
4423 AC_MSG_CHECKING([for the `utimesys' syscall (Solaris-specific)])
4424 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4425 #include <sys/syscall.h>
4426 ]], [[
4427 return !SYS_utimesys;
4428 ]])], [
4429 solaris_utimesys_syscall=yes
4430 AC_MSG_RESULT([yes])
4431 AC_DEFINE([SOLARIS_UTIMESYS_SYSCALL], 1,
4432 [Define to 1 if you have the `utimesys' syscall.])
4433 ], [
4434 solaris_utimesys_syscall=no
4435 AC_MSG_RESULT([no])
4436 ])
4437 AM_CONDITIONAL(SOLARIS_UTIMESYS_SYSCALL, test x$solaris_utimesys_syscall = xyes)
4440 # Solaris-specific check determining if the utimensat() syscall is
4441 # available (on newer Solaris).
4442 #
4443 # C-level symbol: SOLARIS_UTIMENSAT_SYSCALL
4444 # Automake-level symbol: SOLARIS_UTIMENSAT_SYSCALL
4445 #
4446 AC_MSG_CHECKING([for the `utimensat' syscall (Solaris-specific)])
4447 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4448 #include <sys/syscall.h>
4449 ]], [[
4450 return !SYS_utimensat;
4451 ]])], [
4452 solaris_utimensat_syscall=yes
4453 AC_MSG_RESULT([yes])
4454 AC_DEFINE([SOLARIS_UTIMENSAT_SYSCALL], 1,
4455 [Define to 1 if you have the `utimensat' syscall.])
4456 ], [
4457 solaris_utimensat_syscall=no
4458 AC_MSG_RESULT([no])
4459 ])
4460 AM_CONDITIONAL(SOLARIS_UTIMENSAT_SYSCALL, test x$solaris_utimensat_syscall = xyes)
4463 # Solaris-specific check determining if the spawn() syscall is available
4464 # (on newer Solaris).
4465 #
4466 # C-level symbol: SOLARIS_SPAWN_SYSCALL
4467 # Automake-level symbol: SOLARIS_SPAWN_SYSCALL
4468 #
4469 AC_MSG_CHECKING([for the `spawn' syscall (Solaris-specific)])
4470 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4471 #include <sys/syscall.h>
4472 ]], [[
4473 return !SYS_spawn;
4474 ]])], [
4475 solaris_spawn_syscall=yes
4476 AC_MSG_RESULT([yes])
4477 AC_DEFINE([SOLARIS_SPAWN_SYSCALL], 1,
4478 [Define to 1 if you have the `spawn' syscall.])
4479 ], [
4480 solaris_spawn_syscall=no
4481 AC_MSG_RESULT([no])
4482 ])
4483 AM_CONDITIONAL(SOLARIS_SPAWN_SYSCALL, test x$solaris_spawn_syscall = xyes)
4486 # Solaris-specific check determining if commands MODNVL_CTRLMAP through
4487 # MODDEVINFO_CACHE_TS for modctl() syscall are available (on newer Solaris).
4488 #
4489 # C-level symbol: SOLARIS_MODCTL_MODNVL
4490 # Automake-level symbol: SOLARIS_MODCTL_MODNVL
4491 #
4492 AC_MSG_CHECKING([for MODNVL_CTRLMAP through MODDEVINFO_CACHE_TS modctl(2) commands (Solaris-specific)])
4493 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4494 #include <sys/modctl.h>
4495 ]], [[
4496 return !(MODNVL_CTRLMAP && MODDEVINFO_CACHE_TS);
4497 ]])], [
4498 solaris_modctl_modnvl=yes
4499 AC_MSG_RESULT([yes])
4500 AC_DEFINE([SOLARIS_MODCTL_MODNVL], 1,
4501 [Define to 1 if you have the `MODNVL_CTRLMAP' through `MODDEVINFO_CACHE_TS' constants.])
4502 ], [
4503 solaris_modctl_modnvl=no
4504 AC_MSG_RESULT([no])
4505 ])
4506 AM_CONDITIONAL(SOLARIS_MODCTL_MODNVL, test x$solaris_modctl_modnvl = xyes)
4509 # Solaris-specific check determining whether nscd (name switch cache daemon)
4510 # attaches its door at /system/volatile/name_service_door (Solaris)
4511 # or at /var/run/name_service_door (illumos).
4512 #
4513 # Note that /var/run is a symlink to /system/volatile on Solaris
4514 # but not vice versa on illumos.
4515 #
4516 # C-level symbol: SOLARIS_NSCD_DOOR_SYSTEM_VOLATILE
4517 # Automake-level symbol: SOLARIS_NSCD_DOOR_SYSTEM_VOLATILE
4518 #
4519 AC_MSG_CHECKING([for nscd door location (Solaris-specific)])
4520 if test -e /system/volatile/name_service_door; then
4521 solaris_nscd_door_system_volatile=yes
4522 AC_MSG_RESULT([/system/volatile/name_service_door])
4523 AC_DEFINE([SOLARIS_NSCD_DOOR_SYSTEM_VOLATILE], 1,
4524 [Define to 1 if nscd attaches to /system/volatile/name_service_door.])
4525 else
4526 solaris_nscd_door_system_volatile=no
4527 AC_MSG_RESULT([/var/run/name_service_door])
4528 fi
4529 AM_CONDITIONAL(SOLARIS_NSCD_DOOR_SYSTEM_VOLATILE, test x$solaris_nscd_door_system_volatile = xyes)
4532 # Solaris-specific check determining if the new gethrt() fasttrap is available.
4533 #
4534 # New fasttrap (available on Solaris 11):
4535 # hrt_t *gethrt(void);
4536 #
4537 # C-level symbol: SOLARIS_GETHRT_FASTTRAP
4538 # Automake-level symbol: SOLARIS_GETHRT_FASTTRAP
4539 #
4540 AC_MSG_CHECKING([for the new `gethrt' fasttrap (Solaris-specific)])
4541 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4542 #include <sys/trap.h>
4543 ]], [[
4544 return !T_GETHRT;
4545 ]])], [
4546 solaris_gethrt_fasttrap=yes
4547 AC_MSG_RESULT([yes])
4548 AC_DEFINE([SOLARIS_GETHRT_FASTTRAP], 1,
4549 [Define to 1 if you have the new `gethrt' fasttrap.])
4550 ], [
4551 solaris_gethrt_fasttrap=no
4552 AC_MSG_RESULT([no])
4553 ])
4554 AM_CONDITIONAL(SOLARIS_GETHRT_FASTTRAP, test x$solaris_gethrt_fasttrap = xyes)
4557 # Solaris-specific check determining if the new get_zone_offset() fasttrap
4558 # is available.
4559 #
4560 # New fasttrap (available on Solaris 11):
4561 # zonehrtoffset_t *get_zone_offset(void);
4562 #
4563 # C-level symbol: SOLARIS_GETZONEOFFSET_FASTTRAP
4564 # Automake-level symbol: SOLARIS_GETZONEOFFSET_FASTTRAP
4565 #
4566 AC_MSG_CHECKING([for the new `get_zone_offset' fasttrap (Solaris-specific)])
4567 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4568 #include <sys/trap.h>
4569 ]], [[
4570 return !T_GETZONEOFFSET;
4571 ]])], [
4572 solaris_getzoneoffset_fasttrap=yes
4573 AC_MSG_RESULT([yes])
4574 AC_DEFINE([SOLARIS_GETZONEOFFSET_FASTTRAP], 1,
4575 [Define to 1 if you have the new `get_zone_offset' fasttrap.])
4576 ], [
4577 solaris_getzoneoffset_fasttrap=no
4578 AC_MSG_RESULT([no])
4579 ])
4580 AM_CONDITIONAL(SOLARIS_GETZONEOFFSET_FASTTRAP, test x$solaris_getzoneoffset_fasttrap = xyes)
4583 # Solaris-specific check determining if the execve() syscall
4584 # takes fourth argument (flags) or not.
4585 #
4586 # Old syscall (available on illumos):
4587 # int execve(const char *fname, const char **argv, const char **envp);
4588 #
4589 # New syscall (available on Solaris):
4590 # int execve(uintptr_t file, const char **argv, const char **envp, int flags);
4591 #
4592 # If the new syscall is present then it will fail with EINVAL (because flags
4593 # are invalid); if the old syscall is available then it will fail with ENOENT
4594 # (because the file could not be found).
4595 #
4596 # C-level symbol: SOLARIS_EXECVE_SYSCALL_TAKES_FLAGS
4597 # Automake-level symbol: SOLARIS_EXECVE_SYSCALL_TAKES_FLAGS
4598 #
4599 AC_MSG_CHECKING([if the `execve' syscall accepts flags (Solaris-specific)])
4600 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
4601 #include <sys/syscall.h>
4602 #include <errno.h>
4603 ]], [[
4604 errno = 0;
4605 syscall(SYS_execve, "/no/existing/path", 0, 0, 0xdeadbeef, 0, 0);
4606 return !(errno == EINVAL);
4607 ]])], [
4608 solaris_execve_syscall_takes_flags=yes
4609 AC_MSG_RESULT([yes])
4610 AC_DEFINE([SOLARIS_EXECVE_SYSCALL_TAKES_FLAGS], 1,
4611 [Define to 1 if you have the new `execve' syscall which accepts flags.])
4612 ], [
4613 solaris_execve_syscall_takes_flags=no
4614 AC_MSG_RESULT([no])
4615 ])
4616 AM_CONDITIONAL(SOLARIS_EXECVE_SYSCALL_TAKES_FLAGS,
4617 test x$solaris_execve_syscall_takes_flags = xyes)
4620 # Solaris-specific check determining version of the repository cache protocol.
4621 # Every Solaris version uses a different one, ranging from 21 to current 25.
4622 # The check is very ugly, though.
4623 #
4624 # C-level symbol: SOLARIS_REPCACHE_PROTOCOL_VERSION vv
4625 # Automake-level symbol: none
4626 #
4627 AC_PATH_PROG(DIS_PATH, dis, false)
4628 if test "x$DIS_PATH" = "xfalse"; then
4629 AC_MSG_FAILURE([Object code disassembler (`dis') not found.])
4630 fi
4631 # The illumos source is (or was) here
4632 # https://github.com/illumos/illumos-gate/blob/master/usr/src/lib/libscf/common/lowlevel.c#L1148
4633 # specifically the line
4634 #
4635 # request.rdr_version = REPOSITORY_DOOR_VERSION;
4636 #
4637 # rdr_version is a 32bit unsigned int
4638 # The macro REPOSITORY_DOOR_VERSION contains the ascii letters "Rep" in the top 3
4639 # bytes and the door version in the lowest byte. Hence we look for Rep which is 526570
4640 # in hex and then extrace the following byte.
4641 AC_CHECK_LIB(scf, scf_handle_bind, [], [
4642 AC_MSG_WARN([Function `scf_handle_bind' was not found in `libscf'.])
4643 AC_MSG_ERROR([Cannot determine version of the repository cache protocol.])
4644 ])
4646 AC_MSG_CHECKING([for version of the repository cache protocol (Solaris-specific)])
4647 if test "X$VGCONF_ARCH_PRI" = "Xamd64"; then
4648 libscf=/usr/lib/64/libscf.so.1
4649 else
4650 libscf=/usr/lib/libscf.so.1
4651 fi
4652 if ! $DIS_PATH -F scf_handle_bind $libscf | grep -q -E '0x(4d01)?526570'; then
4653 AC_MSG_WARN([Function `scf_handle_bind' does not contain repository cache protocol version.])
4654 AC_MSG_ERROR([Cannot determine version of the repository cache protocol.])
4655 fi
4656 hex=$( $DIS_PATH -F scf_handle_bind $libscf | grep 526570 | sed 's/.*526570//;s/,.*//' )
4657 if test -z "$hex"; then
4658 AC_MSG_WARN([Version of the repository cache protocol is empty?!])
4659 AC_MSG_ERROR([Cannot determine version of the repository cache protocol.])
4660 fi
4661 version=$( printf "%d\n" 0x$hex )
4662 AC_MSG_RESULT([$version])
4663 AC_DEFINE_UNQUOTED([SOLARIS_REPCACHE_PROTOCOL_VERSION], [$version],
4664 [Version number of the repository door cache protocol.])
4667 # Solaris-specific check determining if "sysstat" segment reservation type
4668 # is available.
4669 #
4670 # New "sysstat" segment reservation (available on Solaris 11.4):
4671 # - program header type: PT_SUNW_SYSSTAT
4672 # - auxiliary vector entry: AT_SUN_SYSSTAT_ADDR
4673 #
4674 # C-level symbol: SOLARIS_RESERVE_SYSSTAT_ADDR
4675 # Automake-level symbol: SOLARIS_RESERVE_SYSSTAT_ADDR
4676 #
4677 AC_MSG_CHECKING([for the new `sysstat' segment reservation (Solaris-specific)])
4678 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4679 #include <sys/auxv.h>
4680 ]], [[
4681 return !AT_SUN_SYSSTAT_ADDR;
4682 ]])], [
4683 solaris_reserve_sysstat_addr=yes
4684 AC_MSG_RESULT([yes])
4685 AC_DEFINE([SOLARIS_RESERVE_SYSSTAT_ADDR], 1,
4686 [Define to 1 if you have the new `sysstat' segment reservation.])
4687 ], [
4688 solaris_reserve_sysstat_addr=no
4689 AC_MSG_RESULT([no])
4690 ])
4691 AM_CONDITIONAL(SOLARIS_RESERVE_SYSSTAT_ADDR, test x$solaris_reserve_sysstat_addr = xyes)
4694 # Solaris-specific check determining if "sysstat_zone" segment reservation type
4695 # is available.
4696 #
4697 # New "sysstat_zone" segment reservation (available on Solaris 11.4):
4698 # - program header type: PT_SUNW_SYSSTAT_ZONE
4699 # - auxiliary vector entry: AT_SUN_SYSSTAT_ZONE_ADDR
4700 #
4701 # C-level symbol: SOLARIS_RESERVE_SYSSTAT_ZONE_ADDR
4702 # Automake-level symbol: SOLARIS_RESERVE_SYSSTAT_ZONE_ADDR
4703 #
4704 AC_MSG_CHECKING([for the new `sysstat_zone' segment reservation (Solaris-specific)])
4705 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4706 #include <sys/auxv.h>
4707 ]], [[
4708 return !AT_SUN_SYSSTAT_ZONE_ADDR;
4709 ]])], [
4710 solaris_reserve_sysstat_zone_addr=yes
4711 AC_MSG_RESULT([yes])
4712 AC_DEFINE([SOLARIS_RESERVE_SYSSTAT_ZONE_ADDR], 1,
4713 [Define to 1 if you have the new `sysstat_zone' segment reservation.])
4714 ], [
4715 solaris_reserve_sysstat_zone_addr=no
4716 AC_MSG_RESULT([no])
4717 ])
4718 AM_CONDITIONAL(SOLARIS_RESERVE_SYSSTAT_ZONE_ADDR, test x$solaris_reserve_sysstat_zone_addr = xyes)
4721 # Solaris-specific check determining if the system_stats() syscall is available
4722 # (on newer Solaris).
4723 #
4724 # C-level symbol: SOLARIS_SYSTEM_STATS_SYSCALL
4725 # Automake-level symbol: SOLARIS_SYSTEM_STATS_SYSCALL
4726 #
4727 AC_MSG_CHECKING([for the `system_stats' syscall (Solaris-specific)])
4728 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4729 #include <sys/syscall.h>
4730 ]], [[
4731 return !SYS_system_stats;
4732 ]])], [
4733 solaris_system_stats_syscall=yes
4734 AC_MSG_RESULT([yes])
4735 AC_DEFINE([SOLARIS_SYSTEM_STATS_SYSCALL], 1,
4736 [Define to 1 if you have the `system_stats' syscall.])
4737 ], [
4738 solaris_system_stats_syscall=no
4739 AC_MSG_RESULT([no])
4740 ])
4741 AM_CONDITIONAL(SOLARIS_SYSTEM_STATS_SYSCALL, test x$solaris_system_stats_syscall = xyes)
4744 # Solaris-specific check determining if fpregset_t defines struct _fpchip_state
4745 # (on newer illumos) or struct fpchip_state (Solaris, older illumos).
4746 #
4747 # C-level symbol: SOLARIS_FPCHIP_STATE_TAKES_UNDERSCORE
4748 # Automake-level symbol: none
4749 #
4750 AC_CHECK_TYPE([struct _fpchip_state],
4751 [solaris_fpchip_state_takes_underscore=yes],
4752 [solaris_fpchip_state_takes_underscore=no],
4753 [[#include <sys/regset.h>]])
4754 if test "$solaris_fpchip_state_takes_underscore" = "yes"; then
4755 AC_DEFINE(SOLARIS_FPCHIP_STATE_TAKES_UNDERSCORE, 1,
4756 [Define to 1 if fpregset_t defines struct _fpchip_state])
4757 fi
4760 # Solaris-specific check determining if schedctl page shared between kernel
4761 # and userspace program is executable (illumos, older Solaris) or not (newer
4762 # Solaris).
4763 #
4764 # C-level symbol: SOLARIS_SCHEDCTL_PAGE_EXEC
4765 # Automake-level symbol: none
4766 #
4767 AC_MSG_CHECKING([if schedctl page is executable (Solaris-specific)])
4768 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
4769 #include <assert.h>
4770 #include <fcntl.h>
4771 #include <procfs.h>
4772 #include <schedctl.h>
4773 #include <stdio.h>
4774 #include <unistd.h>
4775 ]], [[
4776 schedctl_t *scp = schedctl_init();
4777 if (scp == NULL)
4778 return 1;
4780 int fd = open("/proc/self/map", O_RDONLY);
4781 assert(fd >= 0);
4783 prmap_t map;
4784 ssize_t rd;
4785 while ((rd = read(fd, &map, sizeof(map))) == sizeof(map)) {
4786 if (map.pr_vaddr == ((uintptr_t) scp & PAGEMASK)) {
4787 fprintf(stderr, "%#lx [%zu] %s\n", map.pr_vaddr, map.pr_size,
4788 (map.pr_mflags & MA_EXEC) ? "x" : "no-x");
4789 return (map.pr_mflags & MA_EXEC);
4790 }
4791 }
4793 return 1;
4794 ]])], [
4795 solaris_schedctl_page_exec=no
4796 AC_MSG_RESULT([no])
4797 ], [
4798 solaris_schedctl_page_exec=yes
4799 AC_MSG_RESULT([yes])
4800 AC_DEFINE([SOLARIS_SCHEDCTL_PAGE_EXEC], 1,
4801 [Define to 1 if you have the schedctl page executable.])
4802 ])
4805 # Solaris-specific check determining if PT_SUNWDTRACE program header provides
4806 # scratch space for DTrace fasttrap provider (illumos, older Solaris) or just
4807 # an initial thread pointer for libc (newer Solaris).
4808 #
4809 # C-level symbol: SOLARIS_PT_SUNDWTRACE_THRP
4810 # Automake-level symbol: none
4811 #
4812 AC_MSG_CHECKING([if PT_SUNWDTRACE serves for initial thread pointer (Solaris-specific)])
4813 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
4814 #include <sys/fasttrap_isa.h>
4815 ]], [[
4816 return !FT_SCRATCHSIZE;
4817 ]])], [
4818 solaris_pt_sunwdtrace_thrp=yes
4819 AC_MSG_RESULT([yes])
4820 AC_DEFINE([SOLARIS_PT_SUNDWTRACE_THRP], 1,
4821 [Define to 1 if PT_SUNWDTRACE program header provides just an initial thread pointer for libc.])
4822 ], [
4823 solaris_pt_sunwdtrace_thrp=no
4824 AC_MSG_RESULT([no])
4825 ])
4827 else
4828 AM_CONDITIONAL(SOLARIS_SUN_STUDIO_AS, false)
4829 AM_CONDITIONAL(SOLARIS_XPG_SYMBOLS_PRESENT, false)
4830 AM_CONDITIONAL(SOLARIS_PROC_CMDLINE, false)
4831 AM_CONDITIONAL(SOLARIS_OLD_SYSCALLS, false)
4832 AM_CONDITIONAL(SOLARIS_LWP_SIGQUEUE_SYSCALL, false)
4833 AM_CONDITIONAL(SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID, false)
4834 AM_CONDITIONAL(SOLARIS_LWP_NAME_SYSCALL, false)
4835 AM_CONDITIONAL(SOLARIS_GETRANDOM_SYSCALL, false)
4836 AM_CONDITIONAL(SOLARIS_ZONE_DEFUNCT, false)
4837 AM_CONDITIONAL(SOLARIS_AUDITON_STAT, false)
4838 AM_CONDITIONAL(SOLARIS_SHM_NEW, false)
4839 AM_CONDITIONAL(SOLARIS_PRXREGSET_T, false)
4840 AM_CONDITIONAL(SOLARIS_FREALPATHAT_SYSCALL, false)
4841 AM_CONDITIONAL(SOLARIS_UUIDSYS_SYSCALL, false)
4842 AM_CONDITIONAL(SOLARIS_TNDB_GET_TNIP, false)
4843 AM_CONDITIONAL(SOLARIS_TSOL_CLEARANCE, false)
4844 AM_CONDITIONAL(SOLARIS_PSET_GET_NAME, false)
4845 AM_CONDITIONAL(SOLARIS_UTIMESYS_SYSCALL, false)
4846 AM_CONDITIONAL(SOLARIS_UTIMENSAT_SYSCALL, false)
4847 AM_CONDITIONAL(SOLARIS_SPAWN_SYSCALL, false)
4848 AM_CONDITIONAL(SOLARIS_MODCTL_MODNVL, false)
4849 AM_CONDITIONAL(SOLARIS_NSCD_DOOR_SYSTEM_VOLATILE, false)
4850 AM_CONDITIONAL(SOLARIS_GETHRT_FASTTRAP, false)
4851 AM_CONDITIONAL(SOLARIS_GETZONEOFFSET_FASTTRAP, false)
4852 AM_CONDITIONAL(SOLARIS_EXECVE_SYSCALL_TAKES_FLAGS, false)
4853 AM_CONDITIONAL(SOLARIS_RESERVE_SYSSTAT_ADDR, false)
4854 AM_CONDITIONAL(SOLARIS_RESERVE_SYSSTAT_ZONE_ADDR, false)
4855 AM_CONDITIONAL(SOLARIS_SYSTEM_STATS_SYSCALL, false)
4856 fi # test "$VGCONF_OS" = "solaris"
4858 #----------------------------------------------------------------------------
4859 # FreeBSD-specific checks.
4860 #----------------------------------------------------------------------------
4862 # Rather than having a large number of feature test as above with Solaris
4863 # these tests are per-version. This may not be entirely reliable for
4864 # FreeBSD development branches (XX.Y-CURRENT) or pre-release branches
4865 # (XX.Y-STABLE) but it should work for XX-Y-RELEASE
4867 if test "$VGCONF_OS" = "freebsd" ; then
4869 AM_CONDITIONAL(FREEBSD_VERS_13_PLUS, test $freebsd_vers -ge $freebsd_13_0)
4870 AM_CONDITIONAL(FREEBSD_VERS_15_PLUS, test $freebsd_vers -ge $freebsd_15)
4872 else
4874 AM_CONDITIONAL(FREEBSD_VERS_13_PLUS, false)
4875 AM_CONDITIONAL(FREEBSD_VERS_15_PLUS, false)
4877 fi # test "$VGCONF_OS" = "freebsd"
4880 #----------------------------------------------------------------------------
4881 # Checks for C header files.
4882 #----------------------------------------------------------------------------
4884 AC_CHECK_HEADERS([ \
4885 asm/unistd.h \
4886 endian.h \
4887 mqueue.h \
4888 sys/endian.h \
4889 sys/epoll.h \
4890 sys/eventfd.h \
4891 sys/klog.h \
4892 sys/poll.h \
4893 sys/prctl.h \
4894 sys/signal.h \
4895 sys/signalfd.h \
4896 sys/syscall.h \
4897 sys/sysnvl.h \
4898 sys/time.h \
4899 sys/types.h \
4900 ])
4902 # Verify whether the <linux/futex.h> header is usable.
4903 AC_MSG_CHECKING([if <linux/futex.h> is usable])
4905 save_CFLAGS="$CFLAGS"
4906 CFLAGS="$CFLAGS -D__user="
4907 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4908 #include <linux/futex.h>
4909 ]], [[
4910 return FUTEX_WAIT;
4911 ]])], [
4912 ac_have_usable_linux_futex_h=yes
4913 AC_DEFINE([HAVE_USABLE_LINUX_FUTEX_H], 1,
4914 [Define to 1 if you have a usable <linux/futex.h> header file.])
4915 AC_MSG_RESULT([yes])
4916 ], [
4917 ac_have_usable_linux_futex_h=no
4918 AC_MSG_RESULT([no])
4919 ])
4920 CFLAGS="$save_CFLAGS"
4923 #----------------------------------------------------------------------------
4924 # Checks for typedefs, structures, and compiler characteristics.
4925 #----------------------------------------------------------------------------
4926 AC_TYPE_UID_T
4927 AC_TYPE_OFF_T
4928 AC_TYPE_SIZE_T
4929 AC_CHECK_HEADERS_ONCE([sys/time.h])
4931 AC_CHECK_TYPE([struct statx], [
4932 AC_DEFINE([HAVE_STRUCT_STATX_IN_SYS_STAT_H], 1,
4933 [Define to 1 if <sys/stat.h> declares struct statx.])
4934 ], [], [
4935 #define _GNU_SOURCE
4936 #include <sys/stat.h>
4937 ])
4940 #----------------------------------------------------------------------------
4941 # Checks for library functions.
4942 #----------------------------------------------------------------------------
4943 AC_FUNC_MEMCMP
4944 AC_FUNC_MMAP
4946 AC_CHECK_LIB([pthread], [pthread_create])
4947 AC_CHECK_LIB([rt], [clock_gettime])
4949 AC_CHECK_FUNCS([ \
4950 aligned_alloc \
4951 clock_gettime\
4952 copy_file_range \
4953 epoll_create \
4954 epoll_pwait \
4955 getaddrinfo \
4956 klogctl \
4957 mallinfo \
4958 memchr \
4959 memfd_create \
4960 memset \
4961 mkdir \
4962 mremap \
4963 pipe2 \
4964 ppoll \
4965 preadv \
4966 preadv2 \
4967 process_vm_readv \
4968 process_vm_writev \
4969 pthread_barrier_init \
4970 pthread_condattr_setclock \
4971 pthread_mutex_timedlock \
4972 pthread_rwlock_timedrdlock \
4973 pthread_rwlock_timedwrlock \
4974 pthread_setname_np \
4975 pthread_spin_lock \
4976 pthread_yield \
4977 pwritev \
4978 pwritev2 \
4979 rawmemchr \
4980 readlinkat \
4981 reallocarray \
4982 semtimedop \
4983 setcontext \
4984 signalfd \
4985 sigwaitinfo \
4986 strchr \
4987 strdup \
4988 strpbrk \
4989 strrchr \
4990 strstr \
4991 swapcontext \
4992 syscall \
4993 utimensat \
4994 mempcpy \
4995 strlcat \
4996 strlcpy \
4997 stpncpy \
4998 strchrnul \
4999 memrchr \
5000 strndup \
5001 close_range \
5002 wcsncpy \
5003 free_aligned_sized \
5004 sbrk \
5005 wcpncpy \
5006 wcsxfrm \
5007 sem_timedwait \
5008 sem_clockwait_np
5009 ])
5011 # AC_CHECK_LIB adds any library found to the variable LIBS, and links these
5012 # libraries with any shared object and/or executable. This is NOT what we
5013 # want for e.g. vgpreload_core-x86-linux.so
5014 LIBS=""
5016 AM_CONDITIONAL([HAVE_PTHREAD_BARRIER],
5017 [test x$ac_cv_func_pthread_barrier_init = xyes])
5018 AM_CONDITIONAL([HAVE_PTHREAD_MUTEX_TIMEDLOCK],
5019 [test x$ac_cv_func_pthread_mutex_timedlock = xyes])
5020 AM_CONDITIONAL([HAVE_PTHREAD_SPINLOCK],
5021 [test x$ac_cv_func_pthread_spin_lock = xyes])
5022 AM_CONDITIONAL([HAVE_PTHREAD_SETNAME_NP],
5023 [test x$ac_cv_func_pthread_setname_np = xyes])
5024 AM_CONDITIONAL([HAVE_COPY_FILE_RANGE],
5025 [test x$ac_cv_func_copy_file_range = xyes])
5026 AM_CONDITIONAL([HAVE_PREADV_PWRITEV],
5027 [test x$ac_cv_func_preadv = xyes && test x$ac_cv_func_pwritev = xyes])
5028 AM_CONDITIONAL([HAVE_PREADV2_PWRITEV2],
5029 [test x$ac_cv_func_preadv2 = xyes && test x$ac_cv_func_pwritev2 = xyes])
5030 AM_CONDITIONAL([HAVE_SETCONTEXT], [test x$ac_cv_func_setcontext = xyes])
5031 AM_CONDITIONAL([HAVE_SWAPCONTEXT], [test x$ac_cv_func_swapcontext = xyes])
5032 AM_CONDITIONAL([HAVE_MEMFD_CREATE],
5033 [test x$ac_cv_func_memfd_create = xyes])
5034 AM_CONDITIONAL([HAVE_GETADDRINFO],
5035 [test x$ac_cv_func_getaddrinfo = xyes])
5036 AM_CONDITIONAL([HAVE_CLOSE_RANGE],
5037 [test x$ac_cv_func_close_range = xyes])
5038 AM_CONDITIONAL([HAVE_REALLOCARRAY],
5039 [test x$ac_cv_func_reallocarray = xyes])
5040 AM_CONDITIONAL([HAVE_WCSNCPY],
5041 [test x$ac_cv_func_wcsncpy = xyes])
5042 AM_CONDITIONAL([HAVE_STRLCAT],
5043 [test x$ac_cv_func_strlcat = xyes])
5044 AM_CONDITIONAL([HAVE_STRLCPY],
5045 [test x$ac_cv_func_strlcpy = xyes])
5046 AM_CONDITIONAL([HAVE_FREE_ALIGNED_SIZED],
5047 [test x$ac_cv_func_free_aligned_sized = xyes])
5048 AM_CONDITIONAL([HAVE_SBRK],
5049 [test x$ac_cv_func_sbrk = xyes])
5050 AM_CONDITIONAL([HAVE_WCPNCPY],
5051 [test x$ac_cv_func_wcpncpy = xyes])
5052 AM_CONDITIONAL([HAVE_WCSXFRM],
5053 [test x$ac_cv_func_wcsxfrm = xyes])
5054 AM_CONDITIONAL([HAVE_SEM_TIMEDWAIT],
5055 [test x$ac_cv_func_sem_timedwait = xyes])
5056 AM_CONDITIONAL([HAVE_SEM_CLOCKWAIT_NP],
5057 [test x$ac_cv_func_sem_clockwait_np = xyes])
5059 if test x$VGCONF_PLATFORM_PRI_CAPS = xMIPS32_LINUX \
5060 -o x$VGCONF_PLATFORM_PRI_CAPS = xMIPS64_LINUX \
5061 -o x$VGCONF_PLATFORM_PRI_CAPS = xNANOMIPS_LINUX; then
5062 AC_DEFINE([DISABLE_PTHREAD_SPINLOCK_INTERCEPT], 1,
5063 [Disable intercept pthread_spin_lock() on MIPS32, MIPS64 and nanoMIPS.])
5064 fi
5066 #----------------------------------------------------------------------------
5067 # MPI checks
5068 #----------------------------------------------------------------------------
5069 # Do we have a useable MPI setup on the primary and/or secondary targets?
5070 # On Linux, by default, assumes mpicc and -m32/-m64
5071 # Note: this is a kludge in that it assumes the specified mpicc
5072 # understands -m32/-m64 regardless of what is specified using
5073 # --with-mpicc=.
5074 AC_PATH_PROG([MPI_CC], [mpicc], [mpicc],
5075 [$PATH:/usr/lib/openmpi/bin:/usr/lib64/openmpi/bin])
5077 mflag_primary=
5078 if test x$VGCONF_PLATFORM_PRI_CAPS = xX86_LINUX \
5079 -o x$VGCONF_PLATFORM_PRI_CAPS = xX86_FREEBSD \
5080 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC32_LINUX \
5081 -o x$VGCONF_PLATFORM_PRI_CAPS = xARM_LINUX \
5082 -o x$VGCONF_PLATFORM_PRI_CAPS = xMIPS32_LINUX \
5083 -o x$VGCONF_PLATFORM_PRI_CAPS = xNANOMIPS_LINUX \
5084 -o x$VGCONF_PLATFORM_PRI_CAPS = xX86_SOLARIS ; then
5085 mflag_primary=$FLAG_M32
5086 elif test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_LINUX \
5087 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_FREEBSD \
5088 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC64_LINUX \
5089 -o x$VGCONF_PLATFORM_PRI_CAPS = xARM64_LINUX \
5090 -o x$VGCONF_PLATFORM_PRI_CAPS = xARM64_FREEBSD \
5091 -o x$VGCONF_PLATFORM_PRI_CAPS = xMIPS64_LINUX \
5092 -o x$VGCONF_PLATFORM_PRI_CAPS = xS390X_LINUX ; then
5093 mflag_primary=$FLAG_M64
5094 elif test x$VGCONF_PLATFORM_PRI_CAPS = xX86_DARWIN ; then
5095 mflag_primary="$FLAG_M32 -arch i386"
5096 elif test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_DARWIN ; then
5097 mflag_primary="$FLAG_M64 -arch x86_64"
5098 fi
5100 mflag_secondary=
5101 if test x$VGCONF_PLATFORM_SEC_CAPS = xX86_LINUX \
5102 -o x$VGCONF_PLATFORM_SEC_CAPS = xPPC32_LINUX \
5103 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_SOLARIS \
5104 -o x$VGCONF_PLATFORM_SEC_CAPS = xMIPS32_LINUX \
5105 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_FREEBSD ; then
5106 mflag_secondary=$FLAG_M32
5107 elif test x$VGCONF_PLATFORM_SEC_CAPS = xX86_DARWIN ; then
5108 mflag_secondary="$FLAG_M32 -arch i386"
5109 fi
5112 AC_ARG_WITH(mpicc,
5113 [ --with-mpicc= Specify name of MPI2-ised C compiler],
5114 MPI_CC=$withval
5115 )
5116 AC_SUBST(MPI_CC)
5118 ## We AM_COND_IF here instead of automake "if" in mpi/Makefile.am so that we can
5119 ## use these values in the check for a functioning mpicc.
5120 ##
5121 ## We leave the MPI_FLAG_M3264_ logic in mpi/Makefile.am and assume that
5122 ## mflag_primary/mflag_secondary are sufficient approximations of that behavior
5123 AM_COND_IF([VGCONF_OS_IS_LINUX],
5124 [CFLAGS_MPI="-g -O -fno-omit-frame-pointer -Wall -fpic"
5125 LDFLAGS_MPI="-fpic -shared"])
5126 AM_COND_IF([VGCONF_OS_IS_FREEBSD],
5127 [CFLAGS_MPI="-g -O -fno-omit-frame-pointer -Wall -fpic"
5128 LDFLAGS_MPI="-fpic -shared"])
5129 AM_COND_IF([VGCONF_OS_IS_DARWIN],
5130 [CFLAGS_MPI="-g -O -fno-omit-frame-pointer -Wall -dynamic"
5131 LDFLAGS_MPI="-dynamic -dynamiclib -all_load"])
5132 AM_COND_IF([VGCONF_OS_IS_SOLARIS],
5133 [CFLAGS_MPI="-g -O -fno-omit-frame-pointer -Wall -fpic"
5134 LDFLAGS_MPI="-fpic -shared"])
5136 AC_SUBST([CFLAGS_MPI])
5137 AC_SUBST([LDFLAGS_MPI])
5140 ## See if MPI_CC works for the primary target
5141 ##
5142 AC_MSG_CHECKING([primary target for usable MPI2-compliant C compiler and mpi.h])
5143 saved_CC=$CC
5144 saved_CFLAGS=$CFLAGS
5145 CC=$MPI_CC
5146 CFLAGS="$CFLAGS_MPI $mflag_primary"
5147 saved_LDFLAGS="$LDFLAGS"
5148 LDFLAGS="$LDFLAGS_MPI $mflag_primary"
5149 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
5150 #include <mpi.h>
5151 #include <stdio.h>
5152 ]], [[
5153 int ni, na, nd, comb;
5154 int r = MPI_Init(NULL,NULL);
5155 r |= MPI_Type_get_envelope( MPI_INT, &ni, &na, &nd, &comb );
5156 r |= MPI_Finalize();
5157 return r;
5158 ]])], [
5159 ac_have_mpi2_pri=yes
5160 AC_MSG_RESULT([yes, $MPI_CC])
5161 ], [
5162 ac_have_mpi2_pri=no
5163 AC_MSG_RESULT([no])
5164 ])
5165 CC=$saved_CC
5166 CFLAGS=$saved_CFLAGS
5167 LDFLAGS="$saved_LDFLAGS"
5168 AM_CONDITIONAL(BUILD_MPIWRAP_PRI, test x$ac_have_mpi2_pri = xyes)
5170 ## See if MPI_CC works for the secondary target. Complication: what if
5171 ## there is no secondary target? We need this to then fail.
5172 ## Kludge this by making MPI_CC something which will surely fail in
5173 ## such a case.
5174 ##
5175 AC_MSG_CHECKING([secondary target for usable MPI2-compliant C compiler and mpi.h])
5176 saved_CC=$CC
5177 saved_CFLAGS=$CFLAGS
5178 saved_LDFLAGS="$LDFLAGS"
5179 LDFLAGS="$LDFLAGS_MPI $mflag_secondary"
5180 if test x$VGCONF_PLATFORM_SEC_CAPS = x ; then
5181 CC="$MPI_CC this will surely fail"
5182 else
5183 CC=$MPI_CC
5184 fi
5185 CFLAGS="$CFLAGS_MPI $mflag_secondary"
5186 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
5187 #include <mpi.h>
5188 #include <stdio.h>
5189 ]], [[
5190 int ni, na, nd, comb;
5191 int r = MPI_Init(NULL,NULL);
5192 r |= MPI_Type_get_envelope( MPI_INT, &ni, &na, &nd, &comb );
5193 r |= MPI_Finalize();
5194 return r;
5195 ]])], [
5196 ac_have_mpi2_sec=yes
5197 AC_MSG_RESULT([yes, $MPI_CC])
5198 ], [
5199 ac_have_mpi2_sec=no
5200 AC_MSG_RESULT([no])
5201 ])
5202 CC=$saved_CC
5203 CFLAGS=$saved_CFLAGS
5204 LDFLAGS="$saved_LDFLAGS"
5205 AM_CONDITIONAL(BUILD_MPIWRAP_SEC, test x$ac_have_mpi2_sec = xyes)
5208 #----------------------------------------------------------------------------
5209 # Other library checks
5210 #----------------------------------------------------------------------------
5211 # There now follow some tests for Boost, and OpenMP. These
5212 # tests are present because Drd has some regression tests that use
5213 # these packages. All regression test programs all compiled only
5214 # for the primary target. And so it is important that the configure
5215 # checks that follow, use the correct -m32 or -m64 flag for the
5216 # primary target (called $mflag_primary). Otherwise, we can end up
5217 # in a situation (eg) where, on amd64-linux, the test for Boost checks
5218 # for usable 64-bit Boost facilities, but because we are doing a 32-bit
5219 # only build (meaning, the primary target is x86-linux), the build
5220 # of the regtest programs that use Boost fails, because they are
5221 # build as 32-bit (IN THIS EXAMPLE).
5222 #
5223 # Hence: ALWAYS USE $mflag_primary FOR CONFIGURE TESTS FOR FACILITIES
5224 # NEEDED BY THE REGRESSION TEST PROGRAMS.
5227 # Check whether the boost library 1.35 or later has been installed.
5228 # The Boost.Threads library has undergone a major rewrite in version 1.35.0.
5230 AC_MSG_CHECKING([for boost])
5232 AC_LANG(C++)
5233 safe_CXXFLAGS=$CXXFLAGS
5234 CXXFLAGS="$mflag_primary"
5235 safe_LIBS="$LIBS"
5236 LIBS="-lboost_thread-mt -lboost_system-mt $LIBS"
5238 AC_LINK_IFELSE([AC_LANG_SOURCE([
5239 #include <boost/thread.hpp>
5240 static void thread_func(void)
5241 { }
5242 int main(int argc, char** argv)
5243 {
5244 boost::thread t(thread_func);
5245 return 0;
5246 }
5247 ])],
5248 [
5249 ac_have_boost_1_35=yes
5250 AC_SUBST([BOOST_CFLAGS], [])
5251 AC_SUBST([BOOST_LIBS], ["-lboost_thread-mt -lboost_system-mt"])
5252 AC_MSG_RESULT([yes])
5253 ], [
5254 ac_have_boost_1_35=no
5255 AC_MSG_RESULT([no])
5256 ])
5258 LIBS="$safe_LIBS"
5259 CXXFLAGS=$safe_CXXFLAGS
5260 AC_LANG(C)
5262 AM_CONDITIONAL([HAVE_BOOST_1_35], [test x$ac_have_boost_1_35 = xyes])
5265 # does this compiler support -fopenmp, does it have the include file
5266 # <omp.h> and does it have libgomp ?
5268 AC_MSG_CHECKING([for OpenMP])
5270 safe_CFLAGS=$CFLAGS
5271 CFLAGS="-fopenmp $mflag_primary -Werror"
5273 AC_LINK_IFELSE([AC_LANG_SOURCE([
5274 #include <omp.h>
5275 int main(int argc, char** argv)
5276 {
5277 omp_set_dynamic(0);
5278 return 0;
5279 }
5280 ])],
5281 [
5282 ac_have_openmp=yes
5283 AC_MSG_RESULT([yes])
5284 ], [
5285 ac_have_openmp=no
5286 AC_MSG_RESULT([no])
5287 ])
5288 CFLAGS=$safe_CFLAGS
5290 AM_CONDITIONAL([HAVE_OPENMP], [test x$ac_have_openmp = xyes])
5293 # Check for __builtin_popcount
5294 AC_MSG_CHECKING([for __builtin_popcount()])
5295 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
5296 ]], [[
5297 __builtin_popcount(2);
5298 return 0;
5299 ]])], [
5300 AC_MSG_RESULT([yes])
5301 AC_DEFINE([HAVE_BUILTIN_POPCOUT], 1,
5302 [Define to 1 if compiler provides __builtin_popcount().])
5303 ], [
5304 AC_MSG_RESULT([no])
5305 ])
5307 # Check for __builtin_clz
5308 AC_MSG_CHECKING([for __builtin_clz()])
5309 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
5310 ]], [[
5311 __builtin_clz(2);
5312 return 0;
5313 ]])], [
5314 AC_MSG_RESULT([yes])
5315 AC_DEFINE([HAVE_BUILTIN_CLZ], 1,
5316 [Define to 1 if compiler provides __builtin_clz().])
5317 ], [
5318 AC_MSG_RESULT([no])
5319 ])
5321 # Check for __builtin_ctz
5322 AC_MSG_CHECKING([for __builtin_ctz()])
5323 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
5324 ]], [[
5325 __builtin_ctz(2);
5326 return 0;
5327 ]])], [
5328 AC_MSG_RESULT([yes])
5329 AC_DEFINE([HAVE_BUILTIN_CTZ], 1,
5330 [Define to 1 if compiler provides __builtin_ctz().])
5331 ], [
5332 AC_MSG_RESULT([no])
5333 ])
5335 # does this compiler have built-in functions for atomic memory access for the
5336 # primary target ?
5337 AC_MSG_CHECKING([if gcc supports __sync_add_and_fetch for the primary target])
5339 safe_CFLAGS=$CFLAGS
5340 CFLAGS="$mflag_primary"
5342 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
5343 int variable = 1;
5344 return (__sync_bool_compare_and_swap(&variable, 1, 2)
5345 && __sync_add_and_fetch(&variable, 1) ? 1 : 0)
5346 ]])], [
5347 ac_have_builtin_atomic_primary=yes
5348 AC_MSG_RESULT([yes])
5349 AC_DEFINE(HAVE_BUILTIN_ATOMIC, 1, [Define to 1 if gcc supports __sync_bool_compare_and_swap() and __sync_add_and_fetch() for the primary target])
5350 ], [
5351 ac_have_builtin_atomic_primary=no
5352 AC_MSG_RESULT([no])
5353 ])
5355 CFLAGS=$safe_CFLAGS
5357 AM_CONDITIONAL([HAVE_BUILTIN_ATOMIC],
5358 [test x$ac_have_builtin_atomic_primary = xyes])
5361 # does this compiler have built-in functions for atomic memory access for the
5362 # secondary target ?
5364 if test x$VGCONF_PLATFORM_SEC_CAPS != x; then
5366 AC_MSG_CHECKING([if gcc supports __sync_add_and_fetch for the secondary target])
5368 safe_CFLAGS=$CFLAGS
5369 CFLAGS="$mflag_secondary"
5371 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
5372 int variable = 1;
5373 return (__sync_add_and_fetch(&variable, 1) ? 1 : 0)
5374 ]])], [
5375 ac_have_builtin_atomic_secondary=yes
5376 AC_MSG_RESULT([yes])
5377 ], [
5378 ac_have_builtin_atomic_secondary=no
5379 AC_MSG_RESULT([no])
5380 ])
5382 CFLAGS=$safe_CFLAGS
5384 fi
5386 AM_CONDITIONAL([HAVE_BUILTIN_ATOMIC_SECONDARY],
5387 [test x$ac_have_builtin_atomic_secondary = xyes])
5389 # does this compiler have built-in functions for atomic memory access on
5390 # 64-bit integers for all targets ?
5392 AC_MSG_CHECKING([if gcc supports __sync_add_and_fetch on uint64_t for all targets])
5394 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
5395 #include <stdint.h>
5396 ]], [[
5397 uint64_t variable = 1;
5398 return __sync_add_and_fetch(&variable, 1)
5399 ]])], [
5400 ac_have_builtin_atomic64_primary=yes
5401 ], [
5402 ac_have_builtin_atomic64_primary=no
5403 ])
5405 if test x$VGCONF_PLATFORM_SEC_CAPS != x; then
5407 safe_CFLAGS=$CFLAGS
5408 CFLAGS="$mflag_secondary"
5410 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
5411 #include <stdint.h>
5412 ]], [[
5413 uint64_t variable = 1;
5414 return __sync_add_and_fetch(&variable, 1)
5415 ]])], [
5416 ac_have_builtin_atomic64_secondary=yes
5417 ], [
5418 ac_have_builtin_atomic64_secondary=no
5419 ])
5421 CFLAGS=$safe_CFLAGS
5423 fi
5425 if test x$ac_have_builtin_atomic64_primary = xyes && \
5426 test x$VGCONF_PLATFORM_SEC_CAPS = x \
5427 -o x$ac_have_builtin_atomic64_secondary = xyes; then
5428 AC_MSG_RESULT([yes])
5429 ac_have_builtin_atomic64=yes
5430 else
5431 AC_MSG_RESULT([no])
5432 ac_have_builtin_atomic64=no
5433 fi
5435 AM_CONDITIONAL([HAVE_BUILTIN_ATOMIC64],
5436 [test x$ac_have_builtin_atomic64 = xyes])
5439 AC_MSG_CHECKING([if platform has openat2 syscall])
5441 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
5442 #include <sys/syscall.h>
5443 ]], [[
5444 return __NR_openat2
5445 ]])], [
5446 ac_have_openat2=yes
5447 AC_MSG_RESULT([yes])
5448 ], [
5449 ac_have_openat2=no
5450 AC_MSG_RESULT([no])
5451 ])
5453 AM_CONDITIONAL([HAVE_OPENAT2],
5454 [test x$ac_have_openat2 = xyes])
5456 # check for crypto
5458 safe_LIBS="$LIBS"
5459 LIBS="-lcrypto"
5460 AC_MSG_CHECKING([if platform has openssl crypto])
5462 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
5463 #include <openssl/crypto.h>
5464 ]], [[
5465 CRYPTO_secure_malloc_init(1<<20, 8);
5466 ]])], [
5467 ac_have_openssl=yes
5468 AC_MSG_RESULT([yes])
5469 ], [
5470 ac_have_openssl=no
5471 AC_MSG_RESULT([no])
5472 ])
5473 LIBS=$safe_LIBS
5475 AM_CONDITIONAL([HAVE_OPENSSL],
5476 [test x$ac_have_openssl = xyes])
5478 AC_MSG_CHECKING([if platform has aio_readv])
5480 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
5481 #include <aio.h>
5482 #include <stdlib.h>
5483 ]], [[
5484 aio_readv(NULL);
5485 ]])], [
5486 ac_have_aio_readv=yes
5487 AC_MSG_RESULT([yes])
5489 ], [
5490 ac_have_aio_readv=no
5491 AC_MSG_RESULT([no])
5492 ])
5494 AM_CONDITIONAL([HAVE_AIO_READV],
5495 [test x$ac_have_aio_readv = xyes])
5497 # does g++ have built-in functions for atomic memory access ?
5498 AC_MSG_CHECKING([if g++ supports __sync_add_and_fetch])
5500 safe_CXXFLAGS=$CXXFLAGS
5501 CXXFLAGS="$mflag_primary"
5503 AC_LANG_PUSH(C++)
5504 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
5505 int variable = 1;
5506 return (__sync_bool_compare_and_swap(&variable, 1, 2)
5507 && __sync_add_and_fetch(&variable, 1) ? 1 : 0)
5508 ]])], [
5509 ac_have_builtin_atomic_cxx=yes
5510 AC_MSG_RESULT([yes])
5511 AC_DEFINE(HAVE_BUILTIN_ATOMIC_CXX, 1, [Define to 1 if g++ supports __sync_bool_compare_and_swap() and __sync_add_and_fetch()])
5512 ], [
5513 ac_have_builtin_atomic_cxx=no
5514 AC_MSG_RESULT([no])
5515 ])
5516 AC_LANG_POP(C++)
5518 CXXFLAGS=$safe_CXXFLAGS
5520 AM_CONDITIONAL([HAVE_BUILTIN_ATOMIC_CXX], [test x$ac_have_builtin_atomic_cxx = xyes])
5523 if test x$ac_have_usable_linux_futex_h = xyes \
5524 -a x$ac_have_builtin_atomic_primary = xyes; then
5525 ac_enable_linux_ticket_lock_primary=yes
5526 fi
5527 AM_CONDITIONAL([ENABLE_LINUX_TICKET_LOCK_PRIMARY],
5528 [test x$ac_enable_linux_ticket_lock_primary = xyes])
5530 if test x$VGCONF_PLATFORM_SEC_CAPS != x \
5531 -a x$ac_have_usable_linux_futex_h = xyes \
5532 -a x$ac_have_builtin_atomic_secondary = xyes; then
5533 ac_enable_linux_ticket_lock_secondary=yes
5534 fi
5535 AM_CONDITIONAL([ENABLE_LINUX_TICKET_LOCK_SECONDARY],
5536 [test x$ac_enable_linux_ticket_lock_secondary = xyes])
5539 # does libstdc++ support annotating shared pointers ?
5540 AC_MSG_CHECKING([if libstdc++ supports annotating shared pointers])
5542 safe_CXXFLAGS=$CXXFLAGS
5543 CXXFLAGS="-std=c++0x"
5545 AC_LANG_PUSH(C++)
5546 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
5547 #include <memory>
5548 ]], [[
5549 std::shared_ptr<int> p
5550 ]])], [
5551 ac_have_shared_ptr=yes
5552 ], [
5553 ac_have_shared_ptr=no
5554 ])
5555 if test x$ac_have_shared_ptr = xyes; then
5556 # If compilation of the program below fails because of a syntax error
5557 # triggered by substituting one of the annotation macros then that
5558 # means that libstdc++ supports these macros.
5559 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
5560 #define _GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(a) (a)----
5561 #define _GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(a) (a)----
5562 #include <memory>
5563 ]], [[
5564 std::shared_ptr<int> p
5565 ]])], [
5566 ac_have_shared_pointer_annotation=no
5567 AC_MSG_RESULT([no])
5568 ], [
5569 ac_have_shared_pointer_annotation=yes
5570 AC_MSG_RESULT([yes])
5571 AC_DEFINE(HAVE_SHARED_POINTER_ANNOTATION, 1,
5572 [Define to 1 if libstd++ supports annotating shared pointers])
5573 ])
5574 else
5575 ac_have_shared_pointer_annotation=no
5576 AC_MSG_RESULT([no])
5577 fi
5578 AC_LANG_POP(C++)
5580 CXXFLAGS=$safe_CXXFLAGS
5582 AM_CONDITIONAL([HAVE_SHARED_POINTER_ANNOTATION],
5583 [test x$ac_have_shared_pointer_annotation = xyes])
5585 # checking for GNU libc C17 aligned_alloc
5586 # just check glibc version rather than trying to muck around
5587 # checking the runtime behaviour or seeing if it is a weak alias
5588 AC_MSG_CHECKING([for AT_GNU_LIBC_C17_ALIGNED_ALLOC])
5589 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
5590 #include <features.h>
5591 ]], [[
5592 #if !defined(__GLIBC__) || __GLIBC__ != 2 || !defined(__GLIBC_MINOR__) || __GLIBC_MINOR__ < 38
5593 #error "not GNU libc 2.38 or later"
5594 #endif
5595 ]])], [
5596 AC_MSG_RESULT([yes])
5597 AC_DEFINE([HAVE_GNU_LIBC_C17_ALIGNED_ALLOC], 1,
5598 [Define to 1 if you have GNU libc C17 aligned_alloc.])
5600 ], [
5601 AC_MSG_RESULT([no])
5602 ])
5604 # Check for C11 thrd_create()
5605 AC_MSG_CHECKING([for thrd_create()])
5606 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
5607 #include <threads.h>
5608 int thrd_entry(void *arg) { return 0; }
5609 ], [[thrd_t thr; return thrd_create(&thr, thrd_entry, NULL);]])],
5610 [
5611 ac_cxx_have_thrd_create=yes
5612 AC_MSG_RESULT([yes])
5613 ], [
5614 ac_cxx_have_thrd_create=no
5615 AC_MSG_RESULT([no])
5616 ])
5618 AM_CONDITIONAL(HAVE_THRD_CREATE, test x$ac_cxx_have_thrd_create = xyes)
5621 # Check arm64 sha3
5622 safe_CFLAGS=$CFLAGS
5623 CFLAGS="${CFLAGS} -march=armv8.2-a+sha3"
5624 AC_MSG_CHECKING([for sha3])
5625 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
5626 return 0;
5627 ]])],
5628 [
5629 ac_have_sha3=yes
5630 AC_MSG_RESULT([yes])
5631 ], [
5632 ac_have_sha3=no
5633 AC_MSG_RESULT([no])
5634 ])
5636 AM_CONDITIONAL(HAVE_SHA3, test x$ac_have_sha3 = xyes)
5637 CFLAGS=$safe_CFLAGS
5639 #----------------------------------------------------------------------------
5640 # Ok. We're done checking.
5641 #----------------------------------------------------------------------------
5643 # Nb: VEX/Makefile is generated from Makefile.vex.in.
5644 AC_CONFIG_FILES([
5645 Makefile
5646 VEX/Makefile:Makefile.vex.in
5647 valgrind.spec
5648 valgrind.pc
5649 glibc-2.X.supp
5650 glibc-2.X-helgrind.supp
5651 glibc-2.X-drd.supp
5652 include/valgrind.h
5653 docs/Makefile
5654 docs/xml/vg-entities.xml
5655 tests/Makefile
5656 tests/vg_regtest
5657 perf/Makefile
5658 perf/vg_perf
5659 gdbserver_tests/Makefile
5660 gdbserver_tests/solaris/Makefile
5661 include/Makefile
5662 auxprogs/Makefile
5663 mpi/Makefile
5664 coregrind/Makefile
5665 memcheck/Makefile
5666 memcheck/tests/Makefile
5667 memcheck/tests/common/Makefile
5668 memcheck/tests/amd64/Makefile
5669 memcheck/tests/arm64/Makefile
5670 memcheck/tests/x86/Makefile
5671 memcheck/tests/linux/Makefile
5672 memcheck/tests/linux/debuginfod-check.vgtest
5673 memcheck/tests/darwin/Makefile
5674 memcheck/tests/solaris/Makefile
5675 memcheck/tests/freebsd/Makefile
5676 memcheck/tests/amd64-linux/Makefile
5677 memcheck/tests/arm64-linux/Makefile
5678 memcheck/tests/x86-linux/Makefile
5679 memcheck/tests/amd64-solaris/Makefile
5680 memcheck/tests/x86-solaris/Makefile
5681 memcheck/tests/amd64-freebsd/Makefile
5682 memcheck/tests/x86-freebsd/Makefile
5683 memcheck/tests/ppc32/Makefile
5684 memcheck/tests/ppc64/Makefile
5685 memcheck/tests/s390x/Makefile
5686 memcheck/tests/mips32/Makefile
5687 memcheck/tests/mips64/Makefile
5688 memcheck/tests/vbit-test/Makefile
5689 cachegrind/Makefile
5690 cachegrind/tests/Makefile
5691 cachegrind/tests/x86/Makefile
5692 cachegrind/cg_annotate
5693 cachegrind/cg_diff
5694 cachegrind/cg_merge
5695 callgrind/Makefile
5696 callgrind/callgrind_annotate
5697 callgrind/callgrind_control
5698 callgrind/tests/Makefile
5699 helgrind/Makefile
5700 helgrind/tests/Makefile
5701 drd/Makefile
5702 drd/scripts/download-and-build-splash2
5703 drd/tests/Makefile
5704 massif/Makefile
5705 massif/tests/Makefile
5706 massif/ms_print
5707 dhat/Makefile
5708 dhat/tests/Makefile
5709 lackey/Makefile
5710 lackey/tests/Makefile
5711 none/Makefile
5712 none/tests/Makefile
5713 none/tests/scripts/Makefile
5714 none/tests/amd64/Makefile
5715 none/tests/ppc32/Makefile
5716 none/tests/ppc64/Makefile
5717 none/tests/x86/Makefile
5718 none/tests/arm/Makefile
5719 none/tests/arm64/Makefile
5720 none/tests/s390x/Makefile
5721 none/tests/mips32/Makefile
5722 none/tests/mips64/Makefile
5723 none/tests/nanomips/Makefile
5724 none/tests/linux/Makefile
5725 none/tests/darwin/Makefile
5726 none/tests/solaris/Makefile
5727 none/tests/freebsd/Makefile
5728 none/tests/amd64-linux/Makefile
5729 none/tests/x86-linux/Makefile
5730 none/tests/amd64-darwin/Makefile
5731 none/tests/x86-darwin/Makefile
5732 none/tests/amd64-solaris/Makefile
5733 none/tests/x86-solaris/Makefile
5734 none/tests/x86-freebsd/Makefile
5735 exp-bbv/Makefile
5736 exp-bbv/tests/Makefile
5737 exp-bbv/tests/x86/Makefile
5738 exp-bbv/tests/x86-linux/Makefile
5739 exp-bbv/tests/amd64-linux/Makefile
5740 exp-bbv/tests/ppc32-linux/Makefile
5741 exp-bbv/tests/arm-linux/Makefile
5742 shared/Makefile
5743 solaris/Makefile
5744 ])
5745 AC_CONFIG_FILES([coregrind/link_tool_exe_linux],
5746 [chmod +x coregrind/link_tool_exe_linux])
5747 AC_CONFIG_FILES([coregrind/link_tool_exe_freebsd],
5748 [chmod +x coregrind/link_tool_exe_freebsd])
5749 AC_CONFIG_FILES([coregrind/link_tool_exe_darwin],
5750 [chmod +x coregrind/link_tool_exe_darwin])
5751 AC_CONFIG_FILES([coregrind/link_tool_exe_solaris],
5752 [chmod +x coregrind/link_tool_exe_solaris])
5753 AC_CONFIG_FILES([tests/filter_stderr_basic],
5754 [chmod +x tests/filter_stderr_basic])
5755 AC_CONFIG_FILES([tests/filter_discards],
5756 [chmod +x tests/filter_discards])
5757 AC_CONFIG_FILES([memcheck/tests/filter_stderr],
5758 [chmod +x memcheck/tests/filter_stderr])
5759 AC_CONFIG_FILES([memcheck/tests/filter_dw4],
5760 [chmod +x memcheck/tests/filter_dw4])
5761 AC_CONFIG_FILES([memcheck/tests/filter_overlaperror],
5762 [chmod +x memcheck/tests/filter_overlaperror])
5763 AC_CONFIG_FILES([memcheck/tests/filter_supp],
5764 [chmod +x memcheck/tests/filter_supp])
5765 AC_CONFIG_FILES([memcheck/tests/x86/filter_pushfpopf],
5766 [chmod +x memcheck/tests/x86/filter_pushfpopf])
5767 AC_CONFIG_FILES([gdbserver_tests/filter_gdb],
5768 [chmod +x gdbserver_tests/filter_gdb])
5769 AC_CONFIG_FILES([gdbserver_tests/filter_memcheck_monitor],
5770 [chmod +x gdbserver_tests/filter_memcheck_monitor])
5771 AC_CONFIG_FILES([gdbserver_tests/filter_stderr],
5772 [chmod +x gdbserver_tests/filter_stderr])
5773 AC_CONFIG_FILES([gdbserver_tests/filter_vgdb],
5774 [chmod +x gdbserver_tests/filter_vgdb])
5775 AC_CONFIG_FILES([drd/tests/filter_stderr],
5776 [chmod +x drd/tests/filter_stderr])
5777 AC_CONFIG_FILES([drd/tests/filter_error_count],
5778 [chmod +x drd/tests/filter_error_count])
5779 AC_CONFIG_FILES([drd/tests/filter_error_summary],
5780 [chmod +x drd/tests/filter_error_summary])
5781 AC_CONFIG_FILES([drd/tests/filter_stderr_and_thread_no_and_offset],
5782 [chmod +x drd/tests/filter_stderr_and_thread_no_and_offset])
5783 AC_CONFIG_FILES([drd/tests/filter_thread_no],
5784 [chmod +x drd/tests/filter_thread_no])
5785 AC_CONFIG_FILES([drd/tests/filter_xml_and_thread_no],
5786 [chmod +x drd/tests/filter_xml_and_thread_no])
5787 AC_CONFIG_FILES([helgrind/tests/filter_stderr],
5788 [chmod +x helgrind/tests/filter_stderr])
5789 AC_OUTPUT
5791 cat<<EOF
5793 Version: ${VERSION}
5794 Maximum build arch: ${ARCH_MAX}
5795 Primary build arch: ${VGCONF_ARCH_PRI}
5796 Secondary build arch: ${VGCONF_ARCH_SEC}
5797 Build OS: ${VGCONF_OS}
5798 Link Time Optimisation: ${vg_cv_lto}
5799 Primary build target: ${VGCONF_PLATFORM_PRI_CAPS}
5800 Secondary build target: ${VGCONF_PLATFORM_SEC_CAPS}
5801 Platform variant: ${VGCONF_PLATVARIANT}
5802 Primary -DVGPV string: -DVGPV_${VGCONF_ARCH_PRI}_${VGCONF_OS}_${VGCONF_PLATVARIANT}=1
5803 Default supp files: ${DEFAULT_SUPP}
5805 EOF