| blob | 4623d12b5b1c94771a11aee099adf3ad8485c252 |
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], [19])
19 m4_define([v_micro_ver], [0])
20 m4_define([v_suffix_ver], [GIT])
21 m4_define([v_rel_date], ["?? ??? 202?"])
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 AC_PROG_CC
54 AM_PROG_CC_C_O
55 AC_PROG_CPP
56 AC_PROG_CXX
57 # AC_PROG_OBJC apparently causes problems on older Linux distros (eg. with
58 # autoconf 2.59). If we ever have any Objective-C code in the Valgrind code
59 # base (eg. most likely as Darwin-specific tests) we'll need one of the
60 # following:
61 # - put AC_PROG_OBJC in a Darwin-specific part of this file
62 # - Use AC_PROG_OBJC here and up the minimum autoconf version
63 # - Use the following, which is apparently equivalent:
64 # m4_ifdef([AC_PROG_OBJC],
65 # [AC_PROG_OBJC],
66 # [AC_CHECK_TOOL([OBJC], [gcc])
67 # AC_SUBST([OBJC])
68 # AC_SUBST([OBJCFLAGS])
69 # ])
70 AC_PROG_RANLIB
71 # Set LTO_RANLIB variable to an lto enabled ranlib
72 if test "x$LTO_RANLIB" = "x"; then
73 AC_PATH_PROGS([LTO_RANLIB], [gcc-ranlib])
74 fi
75 AC_ARG_VAR([LTO_RANLIB],[Library indexer command for link time optimisation])
77 # provide a very basic definition for AC_PROG_SED if it's not provided by
78 # autoconf (as e.g. in autoconf 2.59).
79 m4_ifndef([AC_PROG_SED],
80 [AC_DEFUN([AC_PROG_SED],
81 [AC_ARG_VAR([SED])
82 AC_CHECK_PROGS([SED],[gsed sed])])])
83 AC_PROG_SED
85 # If no AR variable was specified, look up the name of the archiver. Otherwise
86 # do not touch the AR variable.
87 if test "x$AR" = "x"; then
88 AC_PATH_PROGS([AR], [`echo $LD | $SED 's/ld$/ar/'` "ar"], [ar])
89 fi
90 AC_ARG_VAR([AR],[Archiver command])
92 # same for LTO_AR variable for lto enabled archiver
93 if test "x$LTO_AR" = "x"; then
94 AC_PATH_PROGS([LTO_AR], [gcc-ar])
95 fi
96 AC_ARG_VAR([LTO_AR],[Archiver command for link time optimisation])
99 # Check for the compiler support
100 if test "${GCC}" != "yes" ; then
101 AC_MSG_ERROR([Valgrind relies on GCC to be compiled])
102 fi
104 # figure out where perl lives
105 AC_PATH_PROG(PERL, perl)
107 # figure out where gdb lives
108 AC_PATH_PROG(GDB, gdb, "/no/gdb/was/found/at/configure/time")
109 AC_DEFINE_UNQUOTED(GDB_PATH, "$GDB", [path to GDB])
111 # some older automake's don't have it so try something on our own
112 ifdef([AM_PROG_AS],[AM_PROG_AS],
113 [
114 AS="${CC}"
115 AC_SUBST(AS)
117 ASFLAGS=""
118 AC_SUBST(ASFLAGS)
119 ])
122 # Check if 'diff' supports -u (universal diffs) and use it if possible.
124 AC_MSG_CHECKING([for diff -u])
125 AC_SUBST(DIFF)
127 # Comparing two identical files results in 0.
128 tmpfile="tmp-xxx-yyy-zzz"
129 touch $tmpfile;
130 if diff -u $tmpfile $tmpfile ; then
131 AC_MSG_RESULT([yes])
132 DIFF="diff -u"
133 else
134 AC_MSG_RESULT([no])
135 DIFF="diff"
136 fi
137 rm $tmpfile
139 # Make sure we can compile in C99 mode.
140 AC_PROG_CC_C99
141 if test "$ac_cv_prog_cc_c99" = "no"; then
142 AC_MSG_ERROR([Valgrind relies on a C compiler supporting C99])
143 fi
145 # We don't want gcc < 3.0
146 AC_MSG_CHECKING([for a supported version of gcc])
148 # Obtain the compiler version.
149 #
150 # A few examples of how the ${CC} --version output looks like:
151 #
152 # ######## gcc variants ########
153 # Arch Linux: i686-pc-linux-gnu-gcc (GCC) 4.6.2
154 # Debian Linux: gcc (Debian 4.3.2-1.1) 4.3.2
155 # openSUSE: gcc (SUSE Linux) 4.5.1 20101208 [gcc-4_5-branch revision 167585]
156 # Exherbo Linux: x86_64-pc-linux-gnu-gcc (Exherbo gcc-4.6.2) 4.6.2
157 # MontaVista Linux for ARM: arm-none-linux-gnueabi-gcc (Sourcery G++ Lite 2009q1-203) 4.3.3
158 # OS/X 10.6: i686-apple-darwin10-gcc-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5666) (dot 3)
159 # OS/X 10.7: i686-apple-darwin11-llvm-gcc-4.2 (GCC) 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2335.15.00)
160 #
161 # ######## clang variants ########
162 # Clang: clang version 2.9 (tags/RELEASE_29/final)
163 # Apple clang: Apple clang version 3.1 (tags/Apple/clang-318.0.58) (based on LLVM 3.1svn)
164 # FreeBSD clang: FreeBSD clang version 3.1 (branches/release_31 156863) 20120523
165 #
166 # ######## Apple LLVM variants ########
167 # Apple LLVM version 5.1 (clang-503.0.40) (based on LLVM 3.4svn)
168 # Apple LLVM version 6.0 (clang-600.0.51) (based on LLVM 3.5svn)
169 #
170 [
171 if test "x`${CC} --version | $SED -n -e 's/.*\Apple \(LLVM\) version.*clang.*/\1/p'`" = "xLLVM" ;
172 then
173 is_clang="applellvm"
174 gcc_version=`${CC} --version | $SED -n -e 's/.*LLVM version \([0-9.]*\).*$/\1/p'`
175 elif test "x`${CC} --version | $SED -n -e 's/.*\(clang\) version.*/\1/p'`" = "xclang" ;
176 then
177 is_clang="clang"
178 # Don't use -dumpversion with clang: it will always produce "4.2.1".
179 gcc_version=`${CC} --version | $SED -n -e 's/.*clang version \([0-9.]*\).*$/\1/p'`
180 elif test "x`${CC} --version | $SED -n -e 's/icc.*\(ICC\).*/\1/p'`" = "xICC" ;
181 then
182 is_clang="icc"
183 gcc_version=`${CC} -dumpversion 2>/dev/null`
184 else
185 is_clang="notclang"
186 gcc_version=`${CC} -dumpversion 2>/dev/null`
187 if test "x$gcc_version" = x; then
188 gcc_version=`${CC} --version | $SED -n -e 's/[^ ]*gcc[^ ]* ([^)]*) \([0-9.]*\).*$/\1/p'`
189 fi
190 fi
191 ]
192 AM_CONDITIONAL(COMPILER_IS_CLANG, test $is_clang = clang -o $is_clang = applellvm)
193 AM_CONDITIONAL(COMPILER_IS_ICC, test $is_clang = icc)
195 # Note: m4 arguments are quoted with [ and ] so square brackets in shell
196 # statements have to be quoted.
197 case "${is_clang}-${gcc_version}" in
198 applellvm-5.1|applellvm-[[6-9]].*|applellvm-[[1-9][0-9]]*)
199 AC_MSG_RESULT([ok (Apple LLVM version ${gcc_version})])
200 ;;
201 icc-1[[3-9]].*|icc-202[[0-9]].*)
202 AC_MSG_RESULT([ok (ICC version ${gcc_version})])
203 ;;
204 notclang-[[3-9]]|notclang-[[3-9]].*|notclang-[[1-9][0-9]]*)
205 AC_MSG_RESULT([ok (${gcc_version})])
206 ;;
207 clang-2.9|clang-[[3-9]].*|clang-[[1-9][0-9]]*)
208 AC_MSG_RESULT([ok (clang-${gcc_version})])
209 ;;
210 *)
211 AC_MSG_RESULT([no (${is_clang}-${gcc_version})])
212 AC_MSG_ERROR([please use gcc >= 3.0 or clang >= 2.9 or icc >= 13.0 or Apple LLVM >= 5.1])
213 ;;
214 esac
216 #----------------------------------------------------------------------------
217 # Arch/OS/platform tests.
218 #----------------------------------------------------------------------------
219 # We create a number of arch/OS/platform-related variables. We prefix them
220 # all with "VGCONF_" which indicates that they are defined at
221 # configure-time, and distinguishes them from the VGA_*/VGO_*/VGP_*
222 # variables used when compiling C files.
224 AC_CANONICAL_HOST
226 AC_MSG_CHECKING([for a supported CPU])
228 # ARCH_MAX reflects the most that this CPU can do: for example if it
229 # is a 64-bit capable PowerPC, then it must be set to ppc64 and not ppc32.
230 # Ditto for amd64. It is used for more configuration below, but is not used
231 # outside this file.
232 #
233 # Power PC returns powerpc for Big Endian. This was not changed when Little
234 # Endian support was added to the 64-bit architecture. The 64-bit Little
235 # Endian systems explicitly state le in the host_cpu. For clarity in the
236 # Valgrind code, the ARCH_MAX name will state LE or BE for the endianness of
237 # the 64-bit system. Big Endian is the only mode supported on 32-bit Power PC.
238 # The abreviation PPC or ppc refers to 32-bit and 64-bit systems with either
239 # Endianness. The name PPC64 or ppc64 to 64-bit systems of either Endianness.
240 # The names ppc64be or PPC64BE refer to only 64-bit systems that are Big
241 # Endian. Similarly, ppc64le or PPC64LE refer to only 64-bit systems that are
242 # Little Endian.
244 case "${host_cpu}" in
245 i?86)
246 AC_MSG_RESULT([ok (${host_cpu})])
247 ARCH_MAX="x86"
248 ;;
250 x86_64|amd64)
251 AC_MSG_RESULT([ok (${host_cpu})])
252 ARCH_MAX="amd64"
253 ;;
255 powerpc64)
256 # this only referrs to 64-bit Big Endian
257 AC_MSG_RESULT([ok (${host_cpu})])
258 ARCH_MAX="ppc64be"
259 ;;
261 powerpc64le)
262 # this only referrs to 64-bit Little Endian
263 AC_MSG_RESULT([ok (${host_cpu})])
264 ARCH_MAX="ppc64le"
265 ;;
267 powerpc)
268 # On Linux this means only a 32-bit capable CPU.
269 AC_MSG_RESULT([ok (${host_cpu})])
270 ARCH_MAX="ppc32"
271 ;;
273 s390x)
274 AC_MSG_RESULT([ok (${host_cpu})])
275 ARCH_MAX="s390x"
276 ;;
278 armv7*)
279 AC_MSG_RESULT([ok (${host_cpu})])
280 ARCH_MAX="arm"
281 ;;
283 aarch64*)
284 AC_MSG_RESULT([ok (${host_cpu})])
285 ARCH_MAX="arm64"
286 ;;
288 mips)
289 AC_MSG_RESULT([ok (${host_cpu})])
290 ARCH_MAX="mips32"
291 ;;
293 mipsel)
294 AC_MSG_RESULT([ok (${host_cpu})])
295 ARCH_MAX="mips32"
296 ;;
298 mipsisa32r2)
299 AC_MSG_RESULT([ok (${host_cpu})])
300 ARCH_MAX="mips32"
301 ;;
303 mips64*)
304 AC_MSG_RESULT([ok (${host_cpu})])
305 ARCH_MAX="mips64"
306 ;;
308 mipsisa64*)
309 AC_MSG_RESULT([ok (${host_cpu})])
310 ARCH_MAX="mips64"
311 ;;
312 nanomips)
313 AC_MSG_RESULT([ok (${host_cpu})])
314 ARCH_MAX="nanomips"
315 ;;
317 *)
318 AC_MSG_RESULT([no (${host_cpu})])
319 AC_MSG_ERROR([Unsupported host architecture. Sorry])
320 ;;
321 esac
323 #----------------------------------------------------------------------------
325 # Sometimes it's convenient to subvert the bi-arch build system and
326 # just have a single build even though the underlying platform is
327 # capable of both. Hence handle --enable-only64bit and
328 # --enable-only32bit. Complain if both are issued :-)
329 # [Actually, if either of these options are used, I think both get built,
330 # but only one gets installed. So if you use an in-place build, both can be
331 # used. --njn]
333 # Check if a 64-bit only build has been requested
334 AC_CACHE_CHECK([for a 64-bit only build], vg_cv_only64bit,
335 [AC_ARG_ENABLE(only64bit,
336 [ --enable-only64bit do a 64-bit only build],
337 [vg_cv_only64bit=$enableval],
338 [vg_cv_only64bit=no])])
340 # Check if a 32-bit only build has been requested
341 AC_CACHE_CHECK([for a 32-bit only build], vg_cv_only32bit,
342 [AC_ARG_ENABLE(only32bit,
343 [ --enable-only32bit do a 32-bit only build],
344 [vg_cv_only32bit=$enableval],
345 [vg_cv_only32bit=no])])
347 # Stay sane
348 if test x$vg_cv_only64bit = xyes -a x$vg_cv_only32bit = xyes; then
349 AC_MSG_ERROR(
350 [Nonsensical: both --enable-only64bit and --enable-only32bit.])
351 fi
353 #----------------------------------------------------------------------------
355 # VGCONF_OS is the primary build OS, eg. "linux". It is passed in to
356 # compilation of many C files via -VGO_$(VGCONF_OS) and
357 # -VGP_$(VGCONF_ARCH_PRI)_$(VGCONF_OS).
358 AC_MSG_CHECKING([for a supported OS])
359 AC_SUBST(VGCONF_OS)
361 DEFAULT_SUPP=""
363 case "${host_os}" in
364 *linux*)
365 AC_MSG_RESULT([ok (${host_os})])
366 VGCONF_OS="linux"
368 # Ok, this is linux. Check the kernel version
369 AC_MSG_CHECKING([for the kernel version])
371 kernel=`uname -r`
373 case "${kernel}" in
374 0.*|1.*|2.0.*|2.1.*|2.2.*|2.3.*|2.4.*|2.5.*)
375 AC_MSG_RESULT([unsupported (${kernel})])
376 AC_MSG_ERROR([Valgrind needs a Linux kernel >= 2.6])
377 ;;
379 *)
380 AC_MSG_RESULT([2.6 or later (${kernel})])
381 ;;
382 esac
384 ;;
386 *freebsd*)
387 AC_MSG_RESULT([ok (${host_os})])
388 VGCONF_OS="freebsd"
389 AC_DEFINE([FREEBSD_10], 1000, [FREEBSD_VERS value for FreeBSD 10.x])
390 AC_DEFINE([FREEBSD_11], 1100, [FREEBSD_VERS value for FreeBSD 11.x])
391 AC_DEFINE([FREEBSD_12], 1200, [FREEBSD_VERS value for FreeBSD 12.0 to 12.1])
392 AC_DEFINE([FREEBSD_12_2], 1220, [FREEBSD_VERS value for FreeBSD 12.2])
393 AC_DEFINE([FREEBSD_13], 1300, [FREEBSD_VERS value for FreeBSD 13.x])
394 AC_DEFINE([FREEBSD_14], 1400, [FREEBSD_VERS value for FreeBSD 14.x])
396 AC_MSG_CHECKING([for the kernel version])
397 kernel=`uname -r`
399 case "${kernel}" in
400 10.*)
401 AC_MSG_RESULT([FreeBSD 10.x (${kernel})])
402 AC_DEFINE([FREEBSD_VERS], FREEBSD_10, [FreeBSD version])
403 ;;
404 11.*)
405 AC_MSG_RESULT([FreeBSD 11.x (${kernel})])
406 AC_DEFINE([FREEBSD_VERS], FREEBSD_11, [FreeBSD version])
407 ;;
408 12.*)
409 case "${kernel}" in
410 12.[[0-1]]-*)
411 AC_MSG_RESULT([FreeBSD 12.x (${kernel})])
412 AC_DEFINE([FREEBSD_VERS], FREEBSD_12, [FreeBSD version])
413 ;;
414 *)
415 AC_MSG_RESULT([FreeBSD 12.x (${kernel})])
416 AC_DEFINE([FREEBSD_VERS], FREEBSD_12_2, [FreeBSD version])
417 ;;
418 esac
419 ;;
420 13.*)
421 AC_MSG_RESULT([FreeBSD 13.x (${kernel})])
422 AC_DEFINE([FREEBSD_VERS], FREEBSD_13, [FreeBSD version])
423 ;;
424 14.*)
425 AC_MSG_RESULT([FreeBSD 14.x (${kernel})])
426 AC_DEFINE([FREEBSD_VERS], FREEBSD_14, [FreeBSD version])
427 ;;
428 *)
429 AC_MSG_RESULT([unsupported (${kernel})])
430 AC_MSG_ERROR([Valgrind works on FreeBSD 10.x to 14.x])
431 ;;
432 esac
434 DEFAULT_SUPP="freebsd.supp freebsd-helgrind.supp freebsd-drd.supp ${DEFAULT_SUPP}"
435 ;;
437 *darwin*)
438 AC_MSG_RESULT([ok (${host_os})])
439 VGCONF_OS="darwin"
440 AC_DEFINE([DARWIN_10_5], 100500, [DARWIN_VERS value for Mac OS X 10.5])
441 AC_DEFINE([DARWIN_10_6], 100600, [DARWIN_VERS value for Mac OS X 10.6])
442 AC_DEFINE([DARWIN_10_7], 100700, [DARWIN_VERS value for Mac OS X 10.7])
443 AC_DEFINE([DARWIN_10_8], 100800, [DARWIN_VERS value for Mac OS X 10.8])
444 AC_DEFINE([DARWIN_10_9], 100900, [DARWIN_VERS value for Mac OS X 10.9])
445 AC_DEFINE([DARWIN_10_10], 101000, [DARWIN_VERS value for Mac OS X 10.10])
446 AC_DEFINE([DARWIN_10_11], 101100, [DARWIN_VERS value for Mac OS X 10.11])
447 AC_DEFINE([DARWIN_10_12], 101200, [DARWIN_VERS value for macOS 10.12])
448 AC_DEFINE([DARWIN_10_13], 101300, [DARWIN_VERS value for macOS 10.13])
450 AC_MSG_CHECKING([for the kernel version])
451 kernel=`uname -r`
453 # Nb: for Darwin we set DEFAULT_SUPP here. That's because Darwin
454 # has only one relevant version, the OS version. The `uname` check
455 # is a good way to get that version (i.e. "Darwin 9.6.0" is Mac OS
456 # X 10.5.6, and "Darwin 10.x" is Mac OS X 10.6.x Snow Leopard,
457 # and possibly "Darwin 11.x" is Mac OS X 10.7.x Lion),
458 # and we don't know of an macros similar to __GLIBC__ to get that info.
459 #
460 # XXX: `uname -r` won't do the right thing for cross-compiles, but
461 # that's not a problem yet.
462 #
463 # jseward 21 Sept 2011: I seriously doubt whether V 3.7.0 will work
464 # on OS X 10.5.x; I haven't tested yet, and only plan to test 3.7.0
465 # on 10.6.8 and 10.7.1. Although tempted to delete the configure
466 # time support for 10.5 (the 9.* pattern just below), I'll leave it
467 # in for now, just in case anybody wants to give it a try. But I'm
468 # assuming that 3.7.0 is a Snow Leopard and Lion-only release.
469 case "${kernel}" in
470 9.*)
471 AC_MSG_RESULT([Darwin 9.x (${kernel}) / Mac OS X 10.5 Leopard])
472 AC_DEFINE([DARWIN_VERS], DARWIN_10_5, [Darwin / Mac OS X version])
473 DEFAULT_SUPP="darwin9.supp ${DEFAULT_SUPP}"
474 DEFAULT_SUPP="darwin9-drd.supp ${DEFAULT_SUPP}"
475 ;;
476 10.*)
477 AC_MSG_RESULT([Darwin 10.x (${kernel}) / Mac OS X 10.6 Snow Leopard])
478 AC_DEFINE([DARWIN_VERS], DARWIN_10_6, [Darwin / Mac OS X version])
479 DEFAULT_SUPP="darwin10.supp ${DEFAULT_SUPP}"
480 DEFAULT_SUPP="darwin10-drd.supp ${DEFAULT_SUPP}"
481 ;;
482 11.*)
483 AC_MSG_RESULT([Darwin 11.x (${kernel}) / Mac OS X 10.7 Lion])
484 AC_DEFINE([DARWIN_VERS], DARWIN_10_7, [Darwin / Mac OS X version])
485 DEFAULT_SUPP="darwin11.supp ${DEFAULT_SUPP}"
486 DEFAULT_SUPP="darwin10-drd.supp ${DEFAULT_SUPP}"
487 ;;
488 12.*)
489 AC_MSG_RESULT([Darwin 12.x (${kernel}) / Mac OS X 10.8 Mountain Lion])
490 AC_DEFINE([DARWIN_VERS], DARWIN_10_8, [Darwin / Mac OS X version])
491 DEFAULT_SUPP="darwin12.supp ${DEFAULT_SUPP}"
492 DEFAULT_SUPP="darwin10-drd.supp ${DEFAULT_SUPP}"
493 ;;
494 13.*)
495 AC_MSG_RESULT([Darwin 13.x (${kernel}) / Mac OS X 10.9 Mavericks])
496 AC_DEFINE([DARWIN_VERS], DARWIN_10_9, [Darwin / Mac OS X version])
497 DEFAULT_SUPP="darwin13.supp ${DEFAULT_SUPP}"
498 DEFAULT_SUPP="darwin10-drd.supp ${DEFAULT_SUPP}"
499 ;;
500 14.*)
501 AC_MSG_RESULT([Darwin 14.x (${kernel}) / Mac OS X 10.10 Yosemite])
502 AC_DEFINE([DARWIN_VERS], DARWIN_10_10, [Darwin / Mac OS X version])
503 DEFAULT_SUPP="darwin14.supp ${DEFAULT_SUPP}"
504 DEFAULT_SUPP="darwin10-drd.supp ${DEFAULT_SUPP}"
505 ;;
506 15.*)
507 AC_MSG_RESULT([Darwin 15.x (${kernel}) / Mac OS X 10.11 El Capitan])
508 AC_DEFINE([DARWIN_VERS], DARWIN_10_11, [Darwin / Mac OS X version])
509 DEFAULT_SUPP="darwin15.supp ${DEFAULT_SUPP}"
510 DEFAULT_SUPP="darwin10-drd.supp ${DEFAULT_SUPP}"
511 ;;
512 16.*)
513 AC_MSG_RESULT([Darwin 16.x (${kernel}) / macOS 10.12 Sierra])
514 AC_DEFINE([DARWIN_VERS], DARWIN_10_12, [Darwin / Mac OS X version])
515 DEFAULT_SUPP="darwin16.supp ${DEFAULT_SUPP}"
516 DEFAULT_SUPP="darwin10-drd.supp ${DEFAULT_SUPP}"
517 ;;
518 17.*)
519 AC_MSG_RESULT([Darwin 17.x (${kernel}) / macOS 10.13 High Sierra])
520 AC_DEFINE([DARWIN_VERS], DARWIN_10_13, [Darwin / Mac OS X version])
521 DEFAULT_SUPP="darwin17.supp ${DEFAULT_SUPP}"
522 DEFAULT_SUPP="darwin10-drd.supp ${DEFAULT_SUPP}"
523 ;;
524 *)
525 AC_MSG_RESULT([unsupported (${kernel})])
526 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)])
527 ;;
528 esac
529 ;;
531 solaris2.11*)
532 AC_MSG_RESULT([ok (${host_os})])
533 VGCONF_OS="solaris"
535 uname_v=$( uname -v )
536 case "$uname_v" in
537 11.4.*)
538 DEFAULT_SUPP="solaris12.supp ${DEFAULT_SUPP}"
539 ;;
540 *)
541 DEFAULT_SUPP="solaris11.supp ${DEFAULT_SUPP}"
542 ;;
543 esac
544 ;;
546 solaris2.12*)
547 AC_MSG_RESULT([ok (${host_os})])
548 VGCONF_OS="solaris"
549 DEFAULT_SUPP="solaris12.supp ${DEFAULT_SUPP}"
550 ;;
552 *)
553 AC_MSG_RESULT([no (${host_os})])
554 AC_MSG_ERROR([Valgrind is operating system specific. Sorry.])
555 ;;
556 esac
558 #----------------------------------------------------------------------------
560 # If we are building on a 64 bit platform test to see if the system
561 # supports building 32 bit programs and disable 32 bit support if it
562 # does not support building 32 bit programs
564 case "$ARCH_MAX-$VGCONF_OS" in
565 amd64-linux|ppc64be-linux|arm64-linux|amd64-solaris)
566 AC_MSG_CHECKING([for 32 bit build support])
567 safe_CFLAGS=$CFLAGS
568 CFLAGS="-m32"
569 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
570 return 0;
571 ]])], [
572 AC_MSG_RESULT([yes])
573 ], [
574 vg_cv_only64bit="yes"
575 AC_MSG_RESULT([no])
576 ])
577 CFLAGS=$safe_CFLAGS;;
578 mips64-linux)
579 AC_MSG_CHECKING([for 32 bit build support])
580 safe_CFLAGS=$CFLAGS
581 CFLAGS="$CFLAGS -mips32 -mabi=32"
582 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
583 #include <sys/prctl.h>
584 ]], [[]])], [
585 AC_MSG_RESULT([yes])
586 ], [
587 vg_cv_only64bit="yes"
588 AC_MSG_RESULT([no])
589 ])
590 CFLAGS=$safe_CFLAGS;;
591 esac
593 if test x$vg_cv_only64bit = xyes -a x$vg_cv_only32bit = xyes; then
594 AC_MSG_ERROR(
595 [--enable-only32bit was specified but system does not support 32 bit builds])
596 fi
598 #----------------------------------------------------------------------------
600 # VGCONF_ARCH_PRI is the arch for the primary build target, eg. "amd64". By
601 # default it's the same as ARCH_MAX. But if, say, we do a build on an amd64
602 # machine, but --enable-only32bit has been requested, then ARCH_MAX (see
603 # above) will be "amd64" since that reflects the most that this cpu can do,
604 # but VGCONF_ARCH_PRI will be downgraded to "x86", since that reflects the
605 # arch corresponding to the primary build (VGCONF_PLATFORM_PRI_CAPS). It is
606 # passed in to compilation of many C files via -VGA_$(VGCONF_ARCH_PRI) and
607 # -VGP_$(VGCONF_ARCH_PRI)_$(VGCONF_OS).
608 AC_SUBST(VGCONF_ARCH_PRI)
610 # VGCONF_ARCH_SEC is the arch for the secondary build target, eg. "x86".
611 # It is passed in to compilation of many C files via -VGA_$(VGCONF_ARCH_SEC)
612 # and -VGP_$(VGCONF_ARCH_SEC)_$(VGCONF_OS), if there is a secondary target.
613 # It is empty if there is no secondary target.
614 AC_SUBST(VGCONF_ARCH_SEC)
616 # VGCONF_PLATFORM_PRI_CAPS is the primary build target, eg. "AMD64_LINUX".
617 # The entire system, including regression and performance tests, will be
618 # built for this target. The "_CAPS" indicates that the name is in capital
619 # letters, and it also uses '_' rather than '-' as a separator, because it's
620 # used to create various Makefile variables, which are all in caps by
621 # convention and cannot contain '-' characters. This is in contrast to
622 # VGCONF_ARCH_PRI and VGCONF_OS which are not in caps.
623 AC_SUBST(VGCONF_PLATFORM_PRI_CAPS)
625 # VGCONF_PLATFORM_SEC_CAPS is the secondary build target, if there is one.
626 # Valgrind and tools will also be built for this target, but not the
627 # regression or performance tests.
628 #
629 # By default, the primary arch is the same as the "max" arch, as commented
630 # above (at the definition of ARCH_MAX). We may choose to downgrade it in
631 # the big case statement just below here, in the case where we're building
632 # on a 64 bit machine but have been requested only to do a 32 bit build.
633 AC_SUBST(VGCONF_PLATFORM_SEC_CAPS)
635 AC_MSG_CHECKING([for a supported CPU/OS combination])
637 # NB. The load address for a given platform may be specified in more
638 # than one place, in some cases, depending on whether we're doing a biarch,
639 # 32-bit only or 64-bit only build. eg see case for amd64-linux below.
640 # Be careful to give consistent values in all subcases. Also, all four
641 # valt_load_addres_{pri,sec}_{norml,inner} values must always be set,
642 # even if it is to "0xUNSET".
643 #
644 case "$ARCH_MAX-$VGCONF_OS" in
645 x86-linux)
646 VGCONF_ARCH_PRI="x86"
647 VGCONF_ARCH_SEC=""
648 VGCONF_PLATFORM_PRI_CAPS="X86_LINUX"
649 VGCONF_PLATFORM_SEC_CAPS=""
650 valt_load_address_pri_norml="0x58000000"
651 valt_load_address_pri_inner="0x38000000"
652 valt_load_address_sec_norml="0xUNSET"
653 valt_load_address_sec_inner="0xUNSET"
654 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
655 ;;
656 amd64-linux)
657 valt_load_address_sec_norml="0xUNSET"
658 valt_load_address_sec_inner="0xUNSET"
659 if test x$vg_cv_only64bit = xyes; then
660 VGCONF_ARCH_PRI="amd64"
661 VGCONF_ARCH_SEC=""
662 VGCONF_PLATFORM_PRI_CAPS="AMD64_LINUX"
663 VGCONF_PLATFORM_SEC_CAPS=""
664 valt_load_address_pri_norml="0x58000000"
665 valt_load_address_pri_inner="0x38000000"
666 elif test x$vg_cv_only32bit = xyes; then
667 VGCONF_ARCH_PRI="x86"
668 VGCONF_ARCH_SEC=""
669 VGCONF_PLATFORM_PRI_CAPS="X86_LINUX"
670 VGCONF_PLATFORM_SEC_CAPS=""
671 valt_load_address_pri_norml="0x58000000"
672 valt_load_address_pri_inner="0x38000000"
673 else
674 VGCONF_ARCH_PRI="amd64"
675 VGCONF_ARCH_SEC="x86"
676 VGCONF_PLATFORM_PRI_CAPS="AMD64_LINUX"
677 VGCONF_PLATFORM_SEC_CAPS="X86_LINUX"
678 valt_load_address_pri_norml="0x58000000"
679 valt_load_address_pri_inner="0x38000000"
680 valt_load_address_sec_norml="0x58000000"
681 valt_load_address_sec_inner="0x38000000"
682 fi
683 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
684 ;;
685 ppc32-linux)
686 VGCONF_ARCH_PRI="ppc32"
687 VGCONF_ARCH_SEC=""
688 VGCONF_PLATFORM_PRI_CAPS="PPC32_LINUX"
689 VGCONF_PLATFORM_SEC_CAPS=""
690 valt_load_address_pri_norml="0x58000000"
691 valt_load_address_pri_inner="0x38000000"
692 valt_load_address_sec_norml="0xUNSET"
693 valt_load_address_sec_inner="0xUNSET"
694 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
695 ;;
696 ppc64be-linux)
697 valt_load_address_sec_norml="0xUNSET"
698 valt_load_address_sec_inner="0xUNSET"
699 if test x$vg_cv_only64bit = xyes; then
700 VGCONF_ARCH_PRI="ppc64be"
701 VGCONF_ARCH_SEC=""
702 VGCONF_PLATFORM_PRI_CAPS="PPC64BE_LINUX"
703 VGCONF_PLATFORM_SEC_CAPS=""
704 valt_load_address_pri_norml="0x58000000"
705 valt_load_address_pri_inner="0x38000000"
706 elif test x$vg_cv_only32bit = xyes; then
707 VGCONF_ARCH_PRI="ppc32"
708 VGCONF_ARCH_SEC=""
709 VGCONF_PLATFORM_PRI_CAPS="PPC32_LINUX"
710 VGCONF_PLATFORM_SEC_CAPS=""
711 valt_load_address_pri_norml="0x58000000"
712 valt_load_address_pri_inner="0x38000000"
713 else
714 VGCONF_ARCH_PRI="ppc64be"
715 VGCONF_ARCH_SEC="ppc32"
716 VGCONF_PLATFORM_PRI_CAPS="PPC64BE_LINUX"
717 VGCONF_PLATFORM_SEC_CAPS="PPC32_LINUX"
718 valt_load_address_pri_norml="0x58000000"
719 valt_load_address_pri_inner="0x38000000"
720 valt_load_address_sec_norml="0x58000000"
721 valt_load_address_sec_inner="0x38000000"
722 fi
723 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
724 ;;
725 ppc64le-linux)
726 # Little Endian is only supported on PPC64
727 valt_load_address_sec_norml="0xUNSET"
728 valt_load_address_sec_inner="0xUNSET"
729 VGCONF_ARCH_PRI="ppc64le"
730 VGCONF_ARCH_SEC=""
731 VGCONF_PLATFORM_PRI_CAPS="PPC64LE_LINUX"
732 VGCONF_PLATFORM_SEC_CAPS=""
733 valt_load_address_pri_norml="0x58000000"
734 valt_load_address_pri_inner="0x38000000"
735 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
736 ;;
737 x86-freebsd)
738 VGCONF_ARCH_PRI="x86"
739 VGCONF_ARCH_SEC=""
740 VGCONF_PLATFORM_PRI_CAPS="X86_FREEBSD"
741 VGCONF_PLATFORM_SEC_CAPS=""
742 valt_load_address_pri_norml="0x38000000"
743 valt_load_address_pri_inner="0x28000000"
744 valt_load_address_sec_norml="0xUNSET"
745 valt_load_address_sec_inner="0xUNSET"
746 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
747 ;;
748 amd64-freebsd)
749 if test x$vg_cv_only64bit = xyes; then
750 VGCONF_ARCH_PRI="amd64"
751 VGCONF_ARCH_SEC=""
752 VGCONF_PLATFORM_PRI_CAPS="AMD64_FREEBSD"
753 VGCONF_PLATFORM_SEC_CAPS=""
754 elif test x$vg_cv_only32bit = xyes; then
755 VGCONF_ARCH_PRI="x86"
756 VGCONF_ARCH_SEC=""
757 VGCONF_PLATFORM_PRI_CAPS="X86_FREEBSD"
758 VGCONF_PLATFORM_SEC_CAPS=""
759 else
760 VGCONF_ARCH_PRI="amd64"
761 VGCONF_ARCH_SEC="x86"
762 VGCONF_PLATFORM_PRI_CAPS="AMD64_FREEBSD"
763 VGCONF_PLATFORM_SEC_CAPS="X86_FREEBSD"
764 fi
765 # These work with either base clang or ports installed gcc
766 # Hand rolled compilers probably need INSTALL_DIR/lib (at least for gcc)
767 if test x$is_clang = xclang ; then
768 FLAG_32ON64="-B/usr/lib32"
769 else
770 GCC_MAJOR_VERSION=`${CC} -dumpversion | $SED 's/\..*//' 2>/dev/null`
771 FLAG_32ON64="-B/usr/local/lib32/gcc${GCC_MAJOR_VERSION} -Wl,-rpath,/usr/local/lib32/gcc${GCC_MAJOR_VERSION}/"
772 fi
773 valt_load_address_pri_norml="0x38000000"
774 valt_load_address_pri_inner="0x28000000"
775 valt_load_address_sec_norml="0x38000000"
776 valt_load_address_sec_inner="0x28000000"
777 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
778 ;;
779 # Darwin gets identified as 32-bit even when it supports 64-bit.
780 # (Not sure why, possibly because 'uname' returns "i386"?) Just about
781 # all Macs support both 32-bit and 64-bit, so we just build both. If
782 # someone has a really old 32-bit only machine they can (hopefully?)
783 # build with --enable-only32bit. See bug 243362.
784 x86-darwin|amd64-darwin)
785 ARCH_MAX="amd64"
786 valt_load_address_sec_norml="0xUNSET"
787 valt_load_address_sec_inner="0xUNSET"
788 if test x$vg_cv_only64bit = xyes; then
789 VGCONF_ARCH_PRI="amd64"
790 VGCONF_ARCH_SEC=""
791 VGCONF_PLATFORM_PRI_CAPS="AMD64_DARWIN"
792 VGCONF_PLATFORM_SEC_CAPS=""
793 valt_load_address_pri_norml="0x158000000"
794 valt_load_address_pri_inner="0x138000000"
795 elif test x$vg_cv_only32bit = xyes; then
796 VGCONF_ARCH_PRI="x86"
797 VGCONF_ARCH_SEC=""
798 VGCONF_PLATFORM_PRI_CAPS="X86_DARWIN"
799 VGCONF_PLATFORM_SEC_CAPS=""
800 VGCONF_ARCH_PRI_CAPS="x86"
801 valt_load_address_pri_norml="0x58000000"
802 valt_load_address_pri_inner="0x38000000"
803 else
804 VGCONF_ARCH_PRI="amd64"
805 VGCONF_ARCH_SEC="x86"
806 VGCONF_PLATFORM_PRI_CAPS="AMD64_DARWIN"
807 VGCONF_PLATFORM_SEC_CAPS="X86_DARWIN"
808 valt_load_address_pri_norml="0x158000000"
809 valt_load_address_pri_inner="0x138000000"
810 valt_load_address_sec_norml="0x58000000"
811 valt_load_address_sec_inner="0x38000000"
812 fi
813 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
814 ;;
815 arm-linux)
816 VGCONF_ARCH_PRI="arm"
817 VGCONF_PLATFORM_PRI_CAPS="ARM_LINUX"
818 VGCONF_PLATFORM_SEC_CAPS=""
819 valt_load_address_pri_norml="0x58000000"
820 valt_load_address_pri_inner="0x38000000"
821 valt_load_address_sec_norml="0xUNSET"
822 valt_load_address_sec_inner="0xUNSET"
823 AC_MSG_RESULT([ok (${host_cpu}-${host_os})])
824 ;;
825 arm64-linux)
826 valt_load_address_sec_norml="0xUNSET"
827 valt_load_address_sec_inner="0xUNSET"
828 if test x$vg_cv_only64bit = xyes; then
829 VGCONF_ARCH_PRI="arm64"
830 VGCONF_ARCH_SEC=""
831 VGCONF_PLATFORM_PRI_CAPS="ARM64_LINUX"
832 VGCONF_PLATFORM_SEC_CAPS=""
833 valt_load_address_pri_norml="0x58000000"
834 valt_load_address_pri_inner="0x38000000"
835 elif test x$vg_cv_only32bit = xyes; then
836 VGCONF_ARCH_PRI="arm"
837 VGCONF_ARCH_SEC=""
838 VGCONF_PLATFORM_PRI_CAPS="ARM_LINUX"
839 VGCONF_PLATFORM_SEC_CAPS=""
840 valt_load_address_pri_norml="0x58000000"
841 valt_load_address_pri_inner="0x38000000"
842 else
843 VGCONF_ARCH_PRI="arm64"
844 VGCONF_ARCH_SEC="arm"
845 VGCONF_PLATFORM_PRI_CAPS="ARM64_LINUX"
846 VGCONF_PLATFORM_SEC_CAPS="ARM_LINUX"
847 valt_load_address_pri_norml="0x58000000"
848 valt_load_address_pri_inner="0x38000000"
849 valt_load_address_sec_norml="0x58000000"
850 valt_load_address_sec_inner="0x38000000"
851 fi
852 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
853 ;;
854 s390x-linux)
855 VGCONF_ARCH_PRI="s390x"
856 VGCONF_ARCH_SEC=""
857 VGCONF_PLATFORM_PRI_CAPS="S390X_LINUX"
858 VGCONF_PLATFORM_SEC_CAPS=""
859 # To improve branch prediction hit rate we want to have
860 # the generated code close to valgrind (host) code
861 valt_load_address_pri_norml="0x800000000"
862 valt_load_address_pri_inner="0x810000000"
863 valt_load_address_sec_norml="0xUNSET"
864 valt_load_address_sec_inner="0xUNSET"
865 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
866 ;;
867 mips32-linux)
868 VGCONF_ARCH_PRI="mips32"
869 VGCONF_ARCH_SEC=""
870 VGCONF_PLATFORM_PRI_CAPS="MIPS32_LINUX"
871 VGCONF_PLATFORM_SEC_CAPS=""
872 valt_load_address_pri_norml="0x58000000"
873 valt_load_address_pri_inner="0x38000000"
874 valt_load_address_sec_norml="0xUNSET"
875 valt_load_address_sec_inner="0xUNSET"
876 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
877 ;;
878 mips64-linux)
879 valt_load_address_sec_norml="0xUNSET"
880 valt_load_address_sec_inner="0xUNSET"
881 if test x$vg_cv_only64bit = xyes; then
882 VGCONF_ARCH_PRI="mips64"
883 VGCONF_PLATFORM_SEC_CAPS=""
884 VGCONF_PLATFORM_PRI_CAPS="MIPS64_LINUX"
885 VGCONF_PLATFORM_SEC_CAPS=""
886 valt_load_address_pri_norml="0x58000000"
887 valt_load_address_pri_inner="0x38000000"
888 elif test x$vg_cv_only32bit = xyes; then
889 VGCONF_ARCH_PRI="mips32"
890 VGCONF_ARCH_SEC=""
891 VGCONF_PLATFORM_PRI_CAPS="MIPS32_LINUX"
892 VGCONF_PLATFORM_SEC_CAPS=""
893 valt_load_address_pri_norml="0x58000000"
894 valt_load_address_pri_inner="0x38000000"
895 else
896 VGCONF_ARCH_PRI="mips64"
897 VGCONF_ARCH_SEC="mips32"
898 VGCONF_PLATFORM_PRI_CAPS="MIPS64_LINUX"
899 VGCONF_PLATFORM_SEC_CAPS="MIPS32_LINUX"
900 valt_load_address_pri_norml="0x58000000"
901 valt_load_address_pri_inner="0x38000000"
902 valt_load_address_sec_norml="0x58000000"
903 valt_load_address_sec_inner="0x38000000"
904 fi
905 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
906 ;;
907 nanomips-linux)
908 VGCONF_ARCH_PRI="nanomips"
909 VGCONF_ARCH_SEC=""
910 VGCONF_PLATFORM_PRI_CAPS="NANOMIPS_LINUX"
911 VGCONF_PLATFORM_SEC_CAPS=""
912 valt_load_address_pri_norml="0x58000000"
913 valt_load_address_pri_inner="0x38000000"
914 valt_load_address_sec_norml="0xUNSET"
915 valt_load_address_sec_inner="0xUNSET"
916 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
917 ;;
918 x86-solaris)
919 VGCONF_ARCH_PRI="x86"
920 VGCONF_ARCH_SEC=""
921 VGCONF_PLATFORM_PRI_CAPS="X86_SOLARIS"
922 VGCONF_PLATFORM_SEC_CAPS=""
923 valt_load_address_pri_norml="0x58000000"
924 valt_load_address_pri_inner="0x38000000"
925 valt_load_address_sec_norml="0xUNSET"
926 valt_load_address_sec_inner="0xUNSET"
927 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
928 ;;
929 amd64-solaris)
930 valt_load_address_sec_norml="0xUNSET"
931 valt_load_address_sec_inner="0xUNSET"
932 if test x$vg_cv_only64bit = xyes; then
933 VGCONF_ARCH_PRI="amd64"
934 VGCONF_ARCH_SEC=""
935 VGCONF_PLATFORM_PRI_CAPS="AMD64_SOLARIS"
936 VGCONF_PLATFORM_SEC_CAPS=""
937 valt_load_address_pri_norml="0x58000000"
938 valt_load_address_pri_inner="0x38000000"
939 elif test x$vg_cv_only32bit = xyes; then
940 VGCONF_ARCH_PRI="x86"
941 VGCONF_ARCH_SEC=""
942 VGCONF_PLATFORM_PRI_CAPS="X86_SOLARIS"
943 VGCONF_PLATFORM_SEC_CAPS=""
944 valt_load_address_pri_norml="0x58000000"
945 valt_load_address_pri_inner="0x38000000"
946 else
947 VGCONF_ARCH_PRI="amd64"
948 VGCONF_ARCH_SEC="x86"
949 VGCONF_PLATFORM_PRI_CAPS="AMD64_SOLARIS"
950 VGCONF_PLATFORM_SEC_CAPS="X86_SOLARIS"
951 valt_load_address_pri_norml="0x58000000"
952 valt_load_address_pri_inner="0x38000000"
953 valt_load_address_sec_norml="0x58000000"
954 valt_load_address_sec_inner="0x38000000"
955 fi
956 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
957 ;;
958 *)
959 VGCONF_ARCH_PRI="unknown"
960 VGCONF_ARCH_SEC="unknown"
961 VGCONF_PLATFORM_PRI_CAPS="UNKNOWN"
962 VGCONF_PLATFORM_SEC_CAPS="UNKNOWN"
963 valt_load_address_pri_norml="0xUNSET"
964 valt_load_address_pri_inner="0xUNSET"
965 valt_load_address_sec_norml="0xUNSET"
966 valt_load_address_sec_inner="0xUNSET"
967 AC_MSG_RESULT([no (${ARCH_MAX}-${VGCONF_OS})])
968 AC_MSG_ERROR([Valgrind is platform specific. Sorry. Please consider doing a port.])
969 ;;
970 esac
972 #----------------------------------------------------------------------------
974 # Set up VGCONF_ARCHS_INCLUDE_<arch>. Either one or two of these become
975 # defined.
976 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_X86,
977 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_LINUX \
978 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_LINUX \
979 -o x$VGCONF_PLATFORM_PRI_CAPS = xX86_FREEBSD \
980 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_FREEBSD \
981 -o x$VGCONF_PLATFORM_PRI_CAPS = xX86_DARWIN \
982 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_DARWIN \
983 -o x$VGCONF_PLATFORM_PRI_CAPS = xX86_SOLARIS \
984 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_SOLARIS )
985 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_AMD64,
986 test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_LINUX \
987 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_FREEBSD \
988 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_DARWIN \
989 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_SOLARIS )
990 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_PPC32,
991 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC32_LINUX \
992 -o x$VGCONF_PLATFORM_SEC_CAPS = xPPC32_LINUX )
993 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_PPC64,
994 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC64BE_LINUX \
995 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC64LE_LINUX )
996 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_ARM,
997 test x$VGCONF_PLATFORM_PRI_CAPS = xARM_LINUX \
998 -o x$VGCONF_PLATFORM_SEC_CAPS = xARM_LINUX )
999 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_ARM64,
1000 test x$VGCONF_PLATFORM_PRI_CAPS = xARM64_LINUX )
1001 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_S390X,
1002 test x$VGCONF_PLATFORM_PRI_CAPS = xS390X_LINUX )
1003 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_MIPS32,
1004 test x$VGCONF_PLATFORM_PRI_CAPS = xMIPS32_LINUX \
1005 -o x$VGCONF_PLATFORM_SEC_CAPS = xMIPS32_LINUX )
1006 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_MIPS64,
1007 test x$VGCONF_PLATFORM_PRI_CAPS = xMIPS64_LINUX )
1008 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_NANOMIPS,
1009 test x$VGCONF_PLATFORM_PRI_CAPS = xNANOMIPS_LINUX )
1011 # Set up VGCONF_PLATFORMS_INCLUDE_<platform>. Either one or two of these
1012 # become defined.
1013 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_X86_LINUX,
1014 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_LINUX \
1015 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_LINUX)
1016 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_AMD64_LINUX,
1017 test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_LINUX)
1018 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_PPC32_LINUX,
1019 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC32_LINUX \
1020 -o x$VGCONF_PLATFORM_SEC_CAPS = xPPC32_LINUX)
1021 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_PPC64BE_LINUX,
1022 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC64BE_LINUX)
1023 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_PPC64LE_LINUX,
1024 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC64LE_LINUX)
1025 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_ARM_LINUX,
1026 test x$VGCONF_PLATFORM_PRI_CAPS = xARM_LINUX \
1027 -o x$VGCONF_PLATFORM_SEC_CAPS = xARM_LINUX)
1028 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_ARM64_LINUX,
1029 test x$VGCONF_PLATFORM_PRI_CAPS = xARM64_LINUX)
1030 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_S390X_LINUX,
1031 test x$VGCONF_PLATFORM_PRI_CAPS = xS390X_LINUX \
1032 -o x$VGCONF_PLATFORM_SEC_CAPS = xS390X_LINUX)
1033 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_MIPS32_LINUX,
1034 test x$VGCONF_PLATFORM_PRI_CAPS = xMIPS32_LINUX \
1035 -o x$VGCONF_PLATFORM_SEC_CAPS = xMIPS32_LINUX)
1036 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_MIPS64_LINUX,
1037 test x$VGCONF_PLATFORM_PRI_CAPS = xMIPS64_LINUX)
1038 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_NANOMIPS_LINUX,
1039 test x$VGCONF_PLATFORM_PRI_CAPS = xNANOMIPS_LINUX)
1040 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_X86_FREEBSD,
1041 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_FREEBSD \
1042 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_FREEBSD)
1043 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_AMD64_FREEBSD,
1044 test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_FREEBSD)
1045 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_X86_DARWIN,
1046 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_DARWIN \
1047 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_DARWIN)
1048 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_AMD64_DARWIN,
1049 test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_DARWIN)
1050 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_X86_SOLARIS,
1051 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_SOLARIS \
1052 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_SOLARIS)
1053 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_AMD64_SOLARIS,
1054 test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_SOLARIS)
1057 # Similarly, set up VGCONF_OS_IS_<os>. Exactly one of these becomes defined.
1058 # Relies on the assumption that the primary and secondary targets are
1059 # for the same OS, so therefore only necessary to test the primary.
1060 AM_CONDITIONAL(VGCONF_OS_IS_LINUX,
1061 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_LINUX \
1062 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_LINUX \
1063 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC32_LINUX \
1064 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC64BE_LINUX \
1065 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC64LE_LINUX \
1066 -o x$VGCONF_PLATFORM_PRI_CAPS = xARM_LINUX \
1067 -o x$VGCONF_PLATFORM_PRI_CAPS = xARM64_LINUX \
1068 -o x$VGCONF_PLATFORM_PRI_CAPS = xS390X_LINUX \
1069 -o x$VGCONF_PLATFORM_PRI_CAPS = xMIPS32_LINUX \
1070 -o x$VGCONF_PLATFORM_PRI_CAPS = xMIPS64_LINUX \
1071 -o x$VGCONF_PLATFORM_PRI_CAPS = xNANOMIPS_LINUX)
1072 AM_CONDITIONAL(VGCONF_OS_IS_FREEBSD,
1073 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_FREEBSD \
1074 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_FREEBSD)
1075 AM_CONDITIONAL(VGCONF_OS_IS_DARWIN,
1076 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_DARWIN \
1077 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_DARWIN)
1078 AM_CONDITIONAL(VGCONF_OS_IS_SOLARIS,
1079 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_SOLARIS \
1080 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_SOLARIS)
1081 AM_CONDITIONAL(VGCONF_OS_IS_DARWIN_OR_FREEBSD,
1082 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_FREEBSD \
1083 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_FREEBSD \
1084 -o x$VGCONF_PLATFORM_PRI_CAPS = xX86_DARWIN \
1085 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_DARWIN)
1088 # Sometimes, in the Makefile.am files, it's useful to know whether or not
1089 # there is a secondary target.
1090 AM_CONDITIONAL(VGCONF_HAVE_PLATFORM_SEC,
1091 test x$VGCONF_PLATFORM_SEC_CAPS != x)
1093 dnl automake-1.10 does not have AM_COND_IF (added in 1.11), so we supply a
1094 dnl fallback definition
1095 dnl The macro is courtesy of Dave Hart:
1096 dnl https://lists.gnu.org/archive/html/automake/2010-12/msg00045.html
1097 m4_ifndef([AM_COND_IF], [AC_DEFUN([AM_COND_IF], [
1098 if test -z "$$1_TRUE"; then :
1099 m4_n([$2])[]dnl
1100 m4_ifval([$3],
1101 [else
1102 $3
1103 ])dnl
1104 fi[]dnl
1105 ])])
1107 #----------------------------------------------------------------------------
1108 # Inner Valgrind?
1109 #----------------------------------------------------------------------------
1111 # Check if this should be built as an inner Valgrind, to be run within
1112 # another Valgrind. Choose the load address accordingly.
1113 AC_SUBST(VALT_LOAD_ADDRESS_PRI)
1114 AC_SUBST(VALT_LOAD_ADDRESS_SEC)
1115 AC_CACHE_CHECK([for use as an inner Valgrind], vg_cv_inner,
1116 [AC_ARG_ENABLE(inner,
1117 [ --enable-inner enables self-hosting],
1118 [vg_cv_inner=$enableval],
1119 [vg_cv_inner=no])])
1120 if test "$vg_cv_inner" = yes; then
1121 AC_DEFINE([ENABLE_INNER], 1, [configured to run as an inner Valgrind])
1122 VALT_LOAD_ADDRESS_PRI=$valt_load_address_pri_inner
1123 VALT_LOAD_ADDRESS_SEC=$valt_load_address_sec_inner
1124 else
1125 VALT_LOAD_ADDRESS_PRI=$valt_load_address_pri_norml
1126 VALT_LOAD_ADDRESS_SEC=$valt_load_address_sec_norml
1127 fi
1129 #----------------------------------------------------------------------------
1130 # Undefined behaviour sanitiser
1131 #----------------------------------------------------------------------------
1132 # Check whether we should build with the undefined beahviour sanitiser.
1134 AC_CACHE_CHECK([for using the undefined behaviour sanitiser], vg_cv_ubsan,
1135 [AC_ARG_ENABLE(ubsan,
1136 [ --enable-ubsan enables the undefined behaviour sanitiser],
1137 [vg_cv_ubsan=$enableval],
1138 [vg_cv_ubsan=no])])
1140 #----------------------------------------------------------------------------
1141 # Extra fine-tuning of installation directories
1142 #----------------------------------------------------------------------------
1143 AC_ARG_WITH(tmpdir,
1144 [ --with-tmpdir=PATH Specify path for temporary files],
1145 tmpdir="$withval",
1146 tmpdir="/tmp")
1147 AC_DEFINE_UNQUOTED(VG_TMPDIR, "$tmpdir", [Temporary files directory])
1148 AC_SUBST(VG_TMPDIR, [$tmpdir])
1150 #----------------------------------------------------------------------------
1151 # Detect xcode path
1152 #----------------------------------------------------------------------------
1153 AM_COND_IF([VGCONF_OS_IS_DARWIN],
1154 [AC_CHECK_PROG([XCRUN], [xcrun], [yes], [no])
1155 AC_MSG_CHECKING([for xcode sdk include path])
1156 AC_ARG_WITH(xcodedir,
1157 [ --with-xcode-path=PATH Specify path for xcode sdk includes],
1158 [xcodedir="$withval"],
1159 [
1160 if test "x$XCRUN" != "xno" -a ! -d /usr/include; then
1161 xcrundir=`xcrun --sdk macosx --show-sdk-path`
1162 if test -z "$xcrundir"; then
1163 xcodedir="/usr/include"
1164 else
1165 xcodedir="$xcrundir/usr/include"
1166 fi
1167 else
1168 xcodedir="/usr/include"
1169 fi
1170 ])
1171 AC_MSG_RESULT([$xcodedir])
1172 AC_DEFINE_UNQUOTED(XCODE_DIR, "$xcodedir", [xcode sdk include directory])
1173 AC_SUBST(XCODE_DIR, [$xcodedir])])
1175 #----------------------------------------------------------------------------
1176 # Libc and suppressions
1177 #----------------------------------------------------------------------------
1178 # This variable will collect the suppression files to be used.
1179 AC_SUBST(DEFAULT_SUPP)
1181 AC_CHECK_HEADER([features.h])
1183 if test x$ac_cv_header_features_h = xyes; then
1184 rm -f conftest.$ac_ext
1185 cat <<_ACEOF >conftest.$ac_ext
1186 #include <features.h>
1187 #if defined(__GNU_LIBRARY__) && defined(__GLIBC__) && defined(__GLIBC_MINOR__)
1188 glibc version is: __GLIBC__ __GLIBC_MINOR__
1189 #endif
1190 _ACEOF
1191 GLIBC_VERSION="`$CPP -P conftest.$ac_ext | $SED -n 's/^glibc version is: //p' | $SED 's/ /./g'`"
1192 fi
1194 # not really a version check
1195 AC_EGREP_CPP([DARWIN_LIBC], [
1196 #include <sys/cdefs.h>
1197 #if defined(__DARWIN_VERS_1050)
1198 DARWIN_LIBC
1199 #endif
1200 ],
1201 GLIBC_VERSION="darwin")
1203 AC_EGREP_CPP([FREEBSD_LIBC], [
1204 #include <sys/cdefs.h>
1205 #if defined(__FreeBSD__)
1206 FREEBSD_LIBC
1207 #endif
1208 ],
1209 GLIBC_VERSION="freebsd")
1211 # not really a version check
1212 AC_EGREP_CPP([BIONIC_LIBC], [
1213 #if defined(__ANDROID__)
1214 BIONIC_LIBC
1215 #endif
1216 ],
1217 GLIBC_VERSION="bionic")
1219 # there is only one version of libc on Solaris
1220 if test x$VGCONF_PLATFORM_PRI_CAPS = xX86_SOLARIS \
1221 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_SOLARIS; then
1222 GLIBC_VERSION="solaris"
1223 fi
1225 # GLIBC_VERSION is empty if a musl libc is used, so use the toolchain tuple
1226 # in this case.
1227 if test x$GLIBC_VERSION = x; then
1228 if $CC -dumpmachine | grep -q musl; then
1229 GLIBC_VERSION=musl
1230 fi
1231 fi
1233 # If this is glibc then figure out the generic (in file) libc.so and
1234 # libpthread.so file paths to use in suppressions. Before 2.34 libpthread
1235 # was a separate library, afterwards it was merged into libc.so and
1236 # the library is called libc.so.6 (before it was libc-2.[0-9]+.so).
1237 # Use this fact to set GLIBC_LIBC_PATH and GLIBC_LIBPTHREAD_PATH.
1238 case ${GLIBC_VERSION} in
1239 2*)
1240 AC_MSG_CHECKING([whether pthread_create needs libpthread])
1241 AC_LINK_IFELSE([AC_LANG_CALL([], [pthread_create])],
1242 [
1243 AC_MSG_RESULT([no])
1244 GLIBC_LIBC_PATH="*/lib*/libc.so.6"
1245 GLIBC_LIBPTHREAD_PATH="$GLIBC_LIBC_PATH"
1246 ], [
1247 AC_MSG_RESULT([yes])
1248 GLIBC_LIBC_PATH="*/lib*/libc-2.*so*"
1249 GLIBC_LIBPTHREAD_PATH="*/lib*/libpthread-2.*so*"
1250 ])
1251 ;;
1252 *)
1253 AC_MSG_CHECKING([not glibc...])
1254 AC_MSG_RESULT([${GLIBC_VERSION}])
1255 ;;
1256 esac
1258 AC_MSG_CHECKING([the glibc version])
1260 case "${GLIBC_VERSION}" in
1261 2.2)
1262 AC_MSG_RESULT(${GLIBC_VERSION} family)
1263 DEFAULT_SUPP="glibc-2.2.supp ${DEFAULT_SUPP}"
1264 DEFAULT_SUPP="glibc-2.2-LinuxThreads-helgrind.supp ${DEFAULT_SUPP}"
1265 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
1266 ;;
1267 2.[[3-6]])
1268 AC_MSG_RESULT(${GLIBC_VERSION} family)
1269 DEFAULT_SUPP="glibc-${GLIBC_VERSION}.supp ${DEFAULT_SUPP}"
1270 DEFAULT_SUPP="glibc-2.X-helgrind.supp ${DEFAULT_SUPP}"
1271 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
1272 ;;
1273 2.[[7-9]])
1274 AC_MSG_RESULT(${GLIBC_VERSION} family)
1275 DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}"
1276 DEFAULT_SUPP="glibc-2.X-helgrind.supp ${DEFAULT_SUPP}"
1277 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
1278 ;;
1279 2.10|2.11)
1280 AC_MSG_RESULT(${GLIBC_VERSION} family)
1281 AC_DEFINE([GLIBC_MANDATORY_STRLEN_REDIRECT], 1,
1282 [Define to 1 if strlen() has been optimized heavily (amd64 glibc >= 2.10)])
1283 DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}"
1284 DEFAULT_SUPP="glibc-2.X-helgrind.supp ${DEFAULT_SUPP}"
1285 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
1286 ;;
1287 2.*)
1288 AC_MSG_RESULT(${GLIBC_VERSION} family)
1289 AC_DEFINE([GLIBC_MANDATORY_STRLEN_REDIRECT], 1,
1290 [Define to 1 if strlen() has been optimized heavily (amd64 glibc >= 2.10)])
1291 AC_DEFINE([GLIBC_MANDATORY_INDEX_AND_STRLEN_REDIRECT], 1,
1292 [Define to 1 if index() and strlen() have been optimized heavily (x86 glibc >= 2.12)])
1293 DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}"
1294 DEFAULT_SUPP="glibc-2.X-helgrind.supp ${DEFAULT_SUPP}"
1295 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
1296 ;;
1297 darwin)
1298 AC_MSG_RESULT(Darwin)
1299 AC_DEFINE([DARWIN_LIBC], 1, [Define to 1 if you're using Darwin])
1300 # DEFAULT_SUPP set by kernel version check above.
1301 ;;
1302 freebsd)
1303 AC_MSG_RESULT(FreeBSD)
1304 AC_DEFINE([FREEBSD_LIBC], 1, [Define to 1 if you're using FreeBSD])
1305 # DEFAULT_SUPP set by kernel version check above.
1306 ;;
1307 bionic)
1308 AC_MSG_RESULT(Bionic)
1309 AC_DEFINE([BIONIC_LIBC], 1, [Define to 1 if you're using Bionic])
1310 DEFAULT_SUPP="bionic.supp ${DEFAULT_SUPP}"
1311 ;;
1312 solaris)
1313 AC_MSG_RESULT(Solaris)
1314 # DEFAULT_SUPP set in host_os switch-case above.
1315 # No other suppression file is used.
1316 ;;
1317 musl)
1318 AC_MSG_RESULT(Musl)
1319 AC_DEFINE([MUSL_LIBC], 1, [Define to 1 if you're using Musl libc])
1320 DEFAULT_SUPP="musl.supp ${DEFAULT_SUPP}"
1321 ;;
1322 2.0|2.1|*)
1323 AC_MSG_RESULT([unsupported version ${GLIBC_VERSION}])
1324 AC_MSG_ERROR([Valgrind requires glibc version 2.2 or later, uClibc,])
1325 AC_MSG_ERROR([musl libc, Darwin libc, Bionic libc or Solaris libc])
1326 ;;
1327 esac
1329 AC_SUBST(GLIBC_VERSION)
1330 AC_SUBST(GLIBC_LIBC_PATH)
1331 AC_SUBST(GLIBC_LIBPTHREAD_PATH)
1334 if test "$VGCONF_OS" != "solaris"; then
1335 # Add default suppressions for the X client libraries. Make no
1336 # attempt to detect whether such libraries are installed on the
1337 # build machine (or even if any X facilities are present); just
1338 # add the suppressions antidisirregardless.
1339 DEFAULT_SUPP="xfree-4.supp ${DEFAULT_SUPP}"
1340 DEFAULT_SUPP="xfree-3.supp ${DEFAULT_SUPP}"
1341 fi
1344 #----------------------------------------------------------------------------
1345 # Platform variants?
1346 #----------------------------------------------------------------------------
1348 # Normally the PLAT = (ARCH, OS) characterisation of the platform is enough.
1349 # But there are times where we need a bit more control. The motivating
1350 # and currently only case is Android: this is almost identical to
1351 # {x86,arm,mips}-linux, but not quite. So this introduces the concept of
1352 # platform variant tags, which get passed in the compile as
1353 # -DVGPV_<arch>_<os>_<variant> along with the main -DVGP_<arch>_<os> definition.
1354 #
1355 # In almost all cases, the <variant> bit is "vanilla". But for Android
1356 # it is "android" instead.
1357 #
1358 # Consequently (eg), plain arm-linux would build with
1359 #
1360 # -DVGP_arm_linux -DVGPV_arm_linux_vanilla
1361 #
1362 # whilst an Android build would have
1363 #
1364 # -DVGP_arm_linux -DVGPV_arm_linux_android
1365 #
1366 # Same for x86. The setup of the platform variant is pushed relatively far
1367 # down this file in order that we can inspect any of the variables set above.
1369 # In the normal case ..
1370 VGCONF_PLATVARIANT="vanilla"
1372 # Android ?
1373 if test "$GLIBC_VERSION" = "bionic";
1374 then
1375 VGCONF_PLATVARIANT="android"
1376 fi
1378 AC_SUBST(VGCONF_PLATVARIANT)
1381 # FIXME: do we also want to define automake variables
1382 # VGCONF_PLATVARIANT_IS_<WHATEVER>, where WHATEVER is (currently)
1383 # VANILLA or ANDROID ? This would be in the style of VGCONF_ARCHS_INCLUDE,
1384 # VGCONF_PLATFORMS_INCLUDE and VGCONF_OS_IS above? Could easily enough
1385 # do that. Problem is that we can't do and-ing in Makefile.am's, but
1386 # that's what we'd need to do to use this, since what we'd want to write
1387 # is something like
1388 #
1389 # VGCONF_PLATFORMS_INCLUDE_ARM_LINUX && VGCONF_PLATVARIANT_IS_ANDROID
1390 #
1391 # Hmm. Can't think of a nice clean solution to this.
1393 AM_CONDITIONAL(VGCONF_PLATVARIANT_IS_VANILLA,
1394 test x$VGCONF_PLATVARIANT = xvanilla)
1395 AM_CONDITIONAL(VGCONF_PLATVARIANT_IS_ANDROID,
1396 test x$VGCONF_PLATVARIANT = xandroid)
1399 #----------------------------------------------------------------------------
1400 # Checking for various library functions and other definitions
1401 #----------------------------------------------------------------------------
1403 # Check for AT_FDCWD
1405 AC_MSG_CHECKING([for AT_FDCWD])
1406 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1407 #define _GNU_SOURCE
1408 #include <fcntl.h>
1409 #include <unistd.h>
1410 ]], [[
1411 int a = AT_FDCWD;
1412 ]])], [
1413 ac_have_at_fdcwd=yes
1414 AC_MSG_RESULT([yes])
1415 ], [
1416 ac_have_at_fdcwd=no
1417 AC_MSG_RESULT([no])
1418 ])
1420 AM_CONDITIONAL([HAVE_AT_FDCWD], [test x$ac_have_at_fdcwd = xyes])
1422 # Check for stpncpy function definition in string.h
1423 # This explicitly checks with _GNU_SOURCE defined since that is also
1424 # used in the test case (some systems might define it without anyway
1425 # since stpncpy is part of The Open Group Base Specifications Issue 7
1426 # IEEE Std 1003.1-2008.
1427 AC_MSG_CHECKING([for stpncpy])
1428 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1429 #define _GNU_SOURCE
1430 #include <string.h>
1431 ]], [[
1432 char *d;
1433 char *s;
1434 size_t n = 0;
1435 char *r = stpncpy(d, s, n);
1436 ]])], [
1437 ac_have_gnu_stpncpy=yes
1438 AC_MSG_RESULT([yes])
1439 ], [
1440 ac_have_gnu_stpncpy=no
1441 AC_MSG_RESULT([no])
1442 ])
1444 AM_CONDITIONAL([HAVE_GNU_STPNCPY], [test x$ac_have_gnu_stpncpy = xyes])
1446 # Check for PTRACE_GETREGS
1448 AC_MSG_CHECKING([for PTRACE_GETREGS])
1449 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1450 #include <stdlib.h>
1451 #include <stddef.h>
1452 #include <sys/ptrace.h>
1453 #include <sys/user.h>
1454 ]], [[
1455 void *p;
1456 long res = ptrace (PTRACE_GETREGS, 0, p, p);
1457 ]])], [
1458 AC_MSG_RESULT([yes])
1459 AC_DEFINE([HAVE_PTRACE_GETREGS], 1,
1460 [Define to 1 if you have the `PTRACE_GETREGS' ptrace request.])
1461 ], [
1462 AC_MSG_RESULT([no])
1463 ])
1466 # Check for CLOCK_MONOTONIC
1468 AC_MSG_CHECKING([for CLOCK_MONOTONIC])
1470 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1471 #include <time.h>
1472 ]], [[
1473 struct timespec t;
1474 clock_gettime(CLOCK_MONOTONIC, &t);
1475 return 0;
1476 ]])], [
1477 AC_MSG_RESULT([yes])
1478 AC_DEFINE([HAVE_CLOCK_MONOTONIC], 1,
1479 [Define to 1 if you have the `CLOCK_MONOTONIC' constant.])
1480 ], [
1481 AC_MSG_RESULT([no])
1482 ])
1485 # Check for ELF32/64_CHDR
1487 AC_CHECK_TYPES([Elf32_Chdr, Elf64_Chdr], [], [], [[#include <elf.h>]])
1490 # Check for PTHREAD_RWLOCK_T
1492 AC_MSG_CHECKING([for pthread_rwlock_t])
1494 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1495 #define _GNU_SOURCE
1496 #include <pthread.h>
1497 ]], [[
1498 pthread_rwlock_t rwl;
1499 ]])], [
1500 AC_MSG_RESULT([yes])
1501 AC_DEFINE([HAVE_PTHREAD_RWLOCK_T], 1,
1502 [Define to 1 if you have the `pthread_rwlock_t' type.])
1503 ], [
1504 AC_MSG_RESULT([no])
1505 ])
1508 # Check for PTHREAD_MUTEX_ADAPTIVE_NP
1510 AC_MSG_CHECKING([for PTHREAD_MUTEX_ADAPTIVE_NP])
1512 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1513 #define _GNU_SOURCE
1514 #include <pthread.h>
1515 ]], [[
1516 return (PTHREAD_MUTEX_ADAPTIVE_NP);
1517 ]])], [
1518 AC_MSG_RESULT([yes])
1519 AC_DEFINE([HAVE_PTHREAD_MUTEX_ADAPTIVE_NP], 1,
1520 [Define to 1 if you have the `PTHREAD_MUTEX_ADAPTIVE_NP' constant.])
1521 ], [
1522 AC_MSG_RESULT([no])
1523 ])
1526 # Check for PTHREAD_MUTEX_ERRORCHECK_NP
1528 AC_MSG_CHECKING([for PTHREAD_MUTEX_ERRORCHECK_NP])
1530 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1531 #define _GNU_SOURCE
1532 #include <pthread.h>
1533 ]], [[
1534 return (PTHREAD_MUTEX_ERRORCHECK_NP);
1535 ]])], [
1536 AC_MSG_RESULT([yes])
1537 AC_DEFINE([HAVE_PTHREAD_MUTEX_ERRORCHECK_NP], 1,
1538 [Define to 1 if you have the `PTHREAD_MUTEX_ERRORCHECK_NP' constant.])
1539 ], [
1540 AC_MSG_RESULT([no])
1541 ])
1544 # Check for PTHREAD_MUTEX_RECURSIVE_NP
1546 AC_MSG_CHECKING([for PTHREAD_MUTEX_RECURSIVE_NP])
1548 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1549 #define _GNU_SOURCE
1550 #include <pthread.h>
1551 ]], [[
1552 return (PTHREAD_MUTEX_RECURSIVE_NP);
1553 ]])], [
1554 AC_MSG_RESULT([yes])
1555 AC_DEFINE([HAVE_PTHREAD_MUTEX_RECURSIVE_NP], 1,
1556 [Define to 1 if you have the `PTHREAD_MUTEX_RECURSIVE_NP' constant.])
1557 ], [
1558 AC_MSG_RESULT([no])
1559 ])
1562 # Check for PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP
1564 AC_MSG_CHECKING([for PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP])
1566 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1567 #define _GNU_SOURCE
1568 #include <pthread.h>
1569 ]], [[
1570 pthread_mutex_t m = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
1571 return 0;
1572 ]])], [
1573 AC_MSG_RESULT([yes])
1574 AC_DEFINE([HAVE_PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP], 1,
1575 [Define to 1 if you have the `PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP' constant.])
1576 ], [
1577 AC_MSG_RESULT([no])
1578 ])
1581 # Check whether pthread_mutex_t has a member called __m_kind.
1583 AC_CHECK_MEMBER([pthread_mutex_t.__m_kind],
1584 [AC_DEFINE([HAVE_PTHREAD_MUTEX_T__M_KIND],
1585 1,
1586 [Define to 1 if pthread_mutex_t has a member called __m_kind.])
1587 ],
1588 [],
1589 [#include <pthread.h>])
1592 # Check whether pthread_mutex_t has a member called __data.__kind.
1594 AC_CHECK_MEMBER([pthread_mutex_t.__data.__kind],
1595 [AC_DEFINE([HAVE_PTHREAD_MUTEX_T__DATA__KIND],
1596 1,
1597 [Define to 1 if pthread_mutex_t has a member __data.__kind.])
1598 ],
1599 [],
1600 [#include <pthread.h>])
1602 # Convenience function. Set flags based on the existing HWCAP entries.
1603 # The AT_HWCAP entries are generated by glibc, and are based on
1604 # functions supported by the hardware/system/libc.
1605 # Subsequent support for whether the capability will actually be utilized
1606 # will also be checked against the compiler capabilities.
1607 # called as
1608 # AC_HWCAP_CONTAINS_FLAG[hwcap_string_to_match],[VARIABLE_TO_SET]
1609 AC_DEFUN([AC_HWCAP_CONTAINS_FLAG],[
1610 AUXV_CHECK_FOR=$1
1611 AC_MSG_CHECKING([if AT_HWCAP contains the $AUXV_CHECK_FOR indicator])
1612 if env LD_SHOW_AUXV=1 true | grep ^AT_HWCAP | grep -q -w ${AUXV_CHECK_FOR}
1613 then
1614 AC_MSG_RESULT([yes])
1615 AC_SUBST([$2],[yes])
1616 else
1617 AC_MSG_RESULT([no])
1618 AC_SUBST([$2],[])
1619 fi
1620 ])
1622 # gather hardware capabilities. (hardware/kernel/libc)
1623 AC_HWCAP_CONTAINS_FLAG([altivec],[HWCAP_HAS_ALTIVEC])
1624 AC_HWCAP_CONTAINS_FLAG([vsx],[HWCAP_HAS_VSX])
1625 AC_HWCAP_CONTAINS_FLAG([dfp],[HWCAP_HAS_DFP])
1626 AC_HWCAP_CONTAINS_FLAG([arch_2_05],[HWCAP_HAS_ISA_2_05])
1627 AC_HWCAP_CONTAINS_FLAG([arch_2_06],[HWCAP_HAS_ISA_2_06])
1628 AC_HWCAP_CONTAINS_FLAG([arch_2_07],[HWCAP_HAS_ISA_2_07])
1629 AC_HWCAP_CONTAINS_FLAG([arch_3_00],[HWCAP_HAS_ISA_3_00])
1630 AC_HWCAP_CONTAINS_FLAG([arch_3_1],[HWCAP_HAS_ISA_3_1])
1631 AC_HWCAP_CONTAINS_FLAG([htm],[HWCAP_HAS_HTM])
1632 AC_HWCAP_CONTAINS_FLAG([mma],[HWCAP_HAS_MMA])
1634 # ISA Levels
1635 AM_CONDITIONAL(HAS_ISA_2_05, [test x$HWCAP_HAS_ISA_2_05 = xyes])
1636 AM_CONDITIONAL(HAS_ISA_2_06, [test x$HWCAP_HAS_ISA_2_06 = xyes])
1637 # compiler support for isa 2.07 level instructions
1638 AC_MSG_CHECKING([that assembler knows ISA 2.07 instructions ])
1639 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1640 ]], [[
1641 __asm__ __volatile__("mtvsrd 1,2 ");
1642 ]])], [
1643 ac_asm_have_isa_2_07=yes
1644 AC_MSG_RESULT([yes])
1645 ], [
1646 ac_asm_have_isa_2_07=no
1647 AC_MSG_RESULT([no])
1648 ])
1649 AM_CONDITIONAL(HAS_ISA_2_07, [test x$ac_asm_have_isa_2_07 = xyes \
1650 -a x$HWCAP_HAS_ISA_2_07 = xyes])
1652 # altivec (vsx) support.
1653 # does this compiler support -maltivec and does it have the include file
1654 # <altivec.h> ?
1655 AC_MSG_CHECKING([for Altivec support in the compiler ])
1656 safe_CFLAGS=$CFLAGS
1657 CFLAGS="-maltivec -Werror"
1658 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1659 #include <altivec.h>
1660 ]], [[
1661 vector unsigned int v;
1662 ]])], [
1663 ac_have_altivec=yes
1664 AC_MSG_RESULT([yes])
1665 ], [
1666 ac_have_altivec=no
1667 AC_MSG_RESULT([no])
1668 ])
1669 CFLAGS=$safe_CFLAGS
1670 AM_CONDITIONAL([HAS_ALTIVEC], [test x$ac_have_altivec = xyes \
1671 -a x$HWCAP_HAS_ALTIVEC = xyes])
1673 # Check that both: the compiler supports -mvsx and that the assembler
1674 # understands VSX instructions. If either of those doesn't work,
1675 # conclude that we can't do VSX.
1676 AC_MSG_CHECKING([for VSX compiler flag support])
1677 safe_CFLAGS=$CFLAGS
1678 CFLAGS="-mvsx -Werror"
1679 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1680 ]], [[
1681 ]])], [
1682 ac_compiler_supports_vsx_flag=yes
1683 AC_MSG_RESULT([yes])
1684 ], [
1685 ac_compiler_supports_vsx_flag=no
1686 AC_MSG_RESULT([no])
1687 ])
1688 CFLAGS=$safe_CFLAGS
1690 AC_MSG_CHECKING([for VSX support in the assembler ])
1691 safe_CFLAGS=$CFLAGS
1692 CFLAGS="-mvsx -Werror"
1693 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1694 #include <altivec.h>
1695 ]], [[
1696 vector unsigned int v;
1697 __asm__ __volatile__("xsmaddadp 32, 32, 33" ::: "memory","cc");
1698 ]])], [
1699 ac_compiler_supports_vsx=yes
1700 AC_MSG_RESULT([yes])
1701 ], [
1702 ac_compiler_supports_vsx=no
1703 AC_MSG_RESULT([no])
1704 ])
1705 CFLAGS=$safe_CFLAGS
1706 AM_CONDITIONAL([HAS_VSX], [test x$ac_compiler_supports_vsx_flag = xyes \
1707 -a x$ac_compiler_supports_vsx = xyes \
1708 -a x$HWCAP_HAS_VSX = xyes ])
1710 # DFP (Decimal Float)
1711 # The initial DFP support was added in Power 6. The dcffix instruction
1712 # support was added in Power 7.
1713 AC_MSG_CHECKING([that assembler knows DFP])
1714 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1715 ]], [[
1716 #ifdef __s390__
1717 __asm__ __volatile__("adtr 1, 2, 3")
1718 #else
1719 __asm__ __volatile__(".machine power7;\n" \
1720 "dadd 1, 2, 3;\n" \
1721 "dcffix 1, 2");
1722 #endif
1723 ]])], [
1724 ac_asm_have_dfp=yes
1725 AC_MSG_RESULT([yes])
1726 ], [
1727 ac_asm_have_dfp=no
1728 AC_MSG_RESULT([no])
1729 ])
1730 AC_MSG_CHECKING([that compiler knows -mhard-dfp switch])
1731 safe_CFLAGS=$CFLAGS
1732 CFLAGS="-mhard-dfp -Werror"
1734 # The dcffix instruction is Power 7
1735 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1736 ]], [[
1737 #ifdef __s390__
1738 __asm__ __volatile__("adtr 1, 2, 3")
1739 #else
1740 __asm__ __volatile__(".machine power7;\n" \
1741 "dadd 1, 2, 3;\n" \
1742 "dcffix 1, 2");
1743 #endif
1744 ]])], [
1745 ac_compiler_have_dfp=yes
1746 AC_MSG_RESULT([yes])
1747 ], [
1748 ac_compiler_have_dfp=no
1749 AC_MSG_RESULT([no])
1750 ])
1751 CFLAGS=$safe_CFLAGS
1752 AM_CONDITIONAL(HAS_DFP, test x$ac_asm_have_dfp = xyes \
1753 -a x$ac_compiler_have_dfp = xyes \
1754 -a x$HWCAP_HAS_DFP = xyes )
1756 AC_MSG_CHECKING([that compiler knows DFP datatypes])
1757 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1758 ]], [[
1759 _Decimal64 x = 0.0DD;
1760 ]])], [
1761 ac_compiler_have_dfp_type=yes
1762 AC_MSG_RESULT([yes])
1763 ], [
1764 ac_compiler_have_dfp_type=no
1765 AC_MSG_RESULT([no])
1766 ])
1767 AM_CONDITIONAL(BUILD_DFP_TESTS, test x$ac_compiler_have_dfp_type = xyes \
1768 -a x$HWCAP_HAS_DFP = xyes )
1771 # HTM (Hardware Transactional Memory)
1772 AC_MSG_CHECKING([if compiler accepts the -mhtm flag])
1773 safe_CFLAGS=$CFLAGS
1774 CFLAGS="-mhtm -Werror"
1775 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1776 ]], [[
1777 return 0;
1778 ]])], [
1779 AC_MSG_RESULT([yes])
1780 ac_compiler_supports_htm=yes
1781 ], [
1782 AC_MSG_RESULT([no])
1783 ac_compiler_supports_htm=no
1784 ])
1785 CFLAGS=$safe_CFLAGS
1787 AC_MSG_CHECKING([if compiler can find the htm builtins])
1788 safe_CFLAGS=$CFLAGS
1789 CFLAGS="-mhtm -Werror"
1790 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1791 ]], [[
1792 if (__builtin_tbegin (0))
1793 __builtin_tend (0);
1794 ]])], [
1795 AC_MSG_RESULT([yes])
1796 ac_compiler_sees_htm_builtins=yes
1797 ], [
1798 AC_MSG_RESULT([no])
1799 ac_compiler_sees_htm_builtins=no
1800 ])
1801 CFLAGS=$safe_CFLAGS
1803 AM_CONDITIONAL(SUPPORTS_HTM, test x$ac_compiler_supports_htm = xyes \
1804 -a x$ac_compiler_sees_htm_builtins = xyes \
1805 -a x$HWCAP_HAS_HTM = xyes )
1807 # isa 3.0 checking. (actually 3.0 or newer)
1808 AC_MSG_CHECKING([that assembler knows ISA 3.00 ])
1810 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1811 ]], [[
1812 __asm__ __volatile__ (".machine power9;\n" \
1813 "cnttzw 1,3; \n" );
1814 ]])], [
1815 # guest_ppc_helpers.c needs the HAS_ISA_3_OO to enable copy, paste,
1816 # cpabort support
1817 safe_CFLAGS=$CFLAGS
1818 CFLAGS="-DHAS_ISA_3_00"
1819 ac_asm_have_isa_3_00=yes
1820 AC_MSG_RESULT([yes])
1821 ], [
1822 ac_asm_have_isa_3_00=no
1823 AC_MSG_RESULT([no])
1824 ])
1825 CFLAGS=$safe_CFLAGS
1827 # xscvhpdp checking
1828 AC_MSG_CHECKING([that assembler knows xscvhpdp ])
1830 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1831 ]], [[
1832 __asm__ __volatile__ (".machine power9;\n" \
1833 "xscvhpdp 1,2;\n" );
1834 ]])], [
1835 ac_asm_have_xscvhpdp=yes
1836 AC_MSG_RESULT([yes])
1837 ], [
1838 ac_asm_have_xscvhpdp=no
1839 AC_MSG_RESULT([no])
1840 ])
1842 # darn instruction checking
1843 AC_MSG_CHECKING([that assembler knows darn instruction ])
1845 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1846 ]], [[
1847 __asm__ __volatile__(".machine power9; darn 1,0 ");
1848 ]])], [
1849 ac_asm_have_darn_inst=yes
1850 AC_MSG_RESULT([yes])
1851 ], [
1852 ac_asm_have_darn_inst=no
1853 AC_MSG_RESULT([no])
1854 ])
1856 # isa 3.01 checking
1857 AC_MSG_CHECKING([that assembler knows ISA 3.1 ])
1858 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1859 ]], [[
1860 __asm__ __volatile__ (".machine power10;\n" \
1861 "brh 1,2;\n ");
1862 ]])], [
1863 ac_asm_have_isa_3_1=yes
1864 AC_MSG_RESULT([yes])
1865 ], [
1866 ac_asm_have_isa_3_1=no
1867 AC_MSG_RESULT([no])
1868 ])
1871 AM_CONDITIONAL(HAS_ISA_3_00, [test x$ac_asm_have_isa_3_00 = xyes \
1872 -a x$HWCAP_HAS_ISA_3_00 = xyes])
1874 AM_CONDITIONAL(HAS_XSCVHPDP, [test x$ac_asm_have_xscvhpdp = xyes])
1875 AM_CONDITIONAL(HAS_DARN, [test x$ac_asm_have_darn_inst = xyes])
1877 AM_CONDITIONAL(HAS_ISA_3_1, [test x$ac_asm_have_isa_3_1 = xyes \
1878 -a x$HWCAP_HAS_ISA_3_1 = xyes])
1880 # Check for pthread_create@GLIBC2.0
1881 AC_MSG_CHECKING([for pthread_create@GLIBC2.0()])
1883 safe_CFLAGS=$CFLAGS
1884 CFLAGS="-lpthread -Werror"
1885 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1886 extern int pthread_create_glibc_2_0(void*, const void*,
1887 void *(*)(void*), void*);
1888 __asm__(".symver pthread_create_glibc_2_0, pthread_create@GLIBC_2.0");
1889 ]], [[
1890 #ifdef __powerpc__
1891 /*
1892 * Apparently on PowerPC linking this program succeeds and generates an
1893 * executable with the undefined symbol pthread_create@GLIBC_2.0.
1894 */
1895 #error This test does not work properly on PowerPC.
1896 #else
1897 pthread_create_glibc_2_0(0, 0, 0, 0);
1898 #endif
1899 return 0;
1900 ]])], [
1901 ac_have_pthread_create_glibc_2_0=yes
1902 AC_MSG_RESULT([yes])
1903 AC_DEFINE([HAVE_PTHREAD_CREATE_GLIBC_2_0], 1,
1904 [Define to 1 if you have the `pthread_create@glibc2.0' function.])
1905 ], [
1906 ac_have_pthread_create_glibc_2_0=no
1907 AC_MSG_RESULT([no])
1908 ])
1909 CFLAGS=$safe_CFLAGS
1911 AM_CONDITIONAL(HAVE_PTHREAD_CREATE_GLIBC_2_0,
1912 test x$ac_have_pthread_create_glibc_2_0 = xyes)
1915 # Check for dlinfo RTLD_DI_TLS_MODID
1916 AC_MSG_CHECKING([for dlinfo RTLD_DI_TLS_MODID])
1918 safe_LIBS="$LIBS"
1919 LIBS="-ldl"
1920 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1921 #ifndef _GNU_SOURCE
1922 #define _GNU_SOURCE
1923 #endif
1924 #include <link.h>
1925 #include <dlfcn.h>
1926 ]], [[
1927 size_t sizes[10000];
1928 size_t modid_offset;
1929 (void) dlinfo ((void*)sizes, RTLD_DI_TLS_MODID, &modid_offset);
1930 return 0;
1931 ]])], [
1932 ac_have_dlinfo_rtld_di_tls_modid=yes
1933 AC_MSG_RESULT([yes])
1934 AC_DEFINE([HAVE_DLINFO_RTLD_DI_TLS_MODID], 1,
1935 [Define to 1 if you have a dlinfo that can do RTLD_DI_TLS_MODID.])
1936 ], [
1937 ac_have_dlinfo_rtld_di_tls_modid=no
1938 AC_MSG_RESULT([no])
1939 ])
1940 LIBS=$safe_LIBS
1942 AM_CONDITIONAL(HAVE_DLINFO_RTLD_DI_TLS_MODID,
1943 test x$ac_have_dlinfo_rtld_di_tls_modid = xyes)
1946 # Check for eventfd_t, eventfd() and eventfd_read()
1947 AC_MSG_CHECKING([for eventfd()])
1949 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1950 #include <sys/eventfd.h>
1951 ]], [[
1952 eventfd_t ev;
1953 int fd;
1955 fd = eventfd(5, 0);
1956 eventfd_read(fd, &ev);
1957 return 0;
1958 ]])], [
1959 AC_MSG_RESULT([yes])
1960 AC_DEFINE([HAVE_EVENTFD], 1,
1961 [Define to 1 if you have the `eventfd' function.])
1962 AC_DEFINE([HAVE_EVENTFD_READ], 1,
1963 [Define to 1 if you have the `eventfd_read' function.])
1964 ], [
1965 AC_MSG_RESULT([no])
1966 ])
1968 # Check whether compiler can process #include <thread> without errors
1969 # clang 3.3 cannot process <thread> from e.g.
1970 # gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3
1972 AC_MSG_CHECKING([that C++ compiler can include <thread> header file])
1973 AC_LANG(C++)
1974 safe_CXXFLAGS=$CXXFLAGS
1975 CXXFLAGS=-std=c++0x
1977 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
1978 #include <thread>
1979 ])],
1980 [
1981 ac_cxx_can_include_thread_header=yes
1982 AC_MSG_RESULT([yes])
1983 ], [
1984 ac_cxx_can_include_thread_header=no
1985 AC_MSG_RESULT([no])
1986 ])
1987 CXXFLAGS=$safe_CXXFLAGS
1988 AC_LANG(C)
1990 AM_CONDITIONAL(CXX_CAN_INCLUDE_THREAD_HEADER, test x$ac_cxx_can_include_thread_header = xyes)
1992 # Check whether compiler can process #include <condition_variable> without errors
1994 AC_MSG_CHECKING([that C++ compiler can include <condition_variable> header file])
1995 AC_LANG(C++)
1996 safe_CXXFLAGS=$CXXFLAGS
1997 CXXFLAGS=-std=c++0x
1999 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
2000 #include <condition_variable>
2001 ])],
2002 [
2003 ac_cxx_can_include_condition_variable_header=yes
2004 AC_MSG_RESULT([yes])
2005 ], [
2006 ac_cxx_can_include_condition_variable_header=no
2007 AC_MSG_RESULT([no])
2008 ])
2009 CXXFLAGS=$safe_CXXFLAGS
2010 AC_LANG(C)
2012 AM_CONDITIONAL(CXX_CAN_INCLUDE_CONDITION_VARIABLE_HEADER, test x$ac_cxx_can_include_condition_variable_header = xyes)
2014 # On aarch64 before glibc 2.20 we would get the kernel user_pt_regs instead
2015 # of the user_regs_struct from sys/user.h. They are structurally the same
2016 # but we get either one or the other.
2018 AC_CHECK_TYPE([struct user_regs_struct],
2019 [sys_user_has_user_regs=yes], [sys_user_has_user_regs=no],
2020 [[#include <sys/ptrace.h>]
2021 [#include <sys/time.h>]
2022 [#include <sys/user.h>]])
2023 if test "$sys_user_has_user_regs" = "yes"; then
2024 AC_DEFINE(HAVE_SYS_USER_REGS, 1,
2025 [Define to 1 if <sys/user.h> defines struct user_regs_struct])
2026 fi
2028 AC_MSG_CHECKING([for __NR_membarrier])
2029 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2030 #include <linux/unistd.h>
2031 ]], [[
2032 return __NR_membarrier
2033 ]])], [
2034 ac_have_nr_membarrier=yes
2035 AC_MSG_RESULT([yes])
2036 ], [
2037 ac_have_nr_membarrier=no
2038 AC_MSG_RESULT([no])
2039 ])
2041 AM_CONDITIONAL(HAVE_NR_MEMBARRIER, [test x$ac_have_nr_membarrier = xyes])
2043 #----------------------------------------------------------------------------
2044 # Checking for supported compiler flags.
2045 #----------------------------------------------------------------------------
2047 case "${host_cpu}" in
2048 mips*)
2049 ARCH=$(echo "$CFLAGS" | grep -E -e '-march=@<:@^ @:>@+' -e '\B-mips@<:@^ +@:>@')
2050 if test -z "$ARCH"; then
2051 # does this compiler support -march=mips32 (mips32 default) ?
2052 AC_MSG_CHECKING([if gcc accepts -march=mips32 -mabi=32])
2054 safe_CFLAGS=$CFLAGS
2055 CFLAGS="$CFLAGS -mips32 -mabi=32 -Werror"
2057 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2058 return 0;
2059 ]])], [
2060 FLAG_M32="-mips32 -mabi=32"
2061 AC_MSG_RESULT([yes])
2062 ], [
2063 FLAG_M32=""
2064 AC_MSG_RESULT([no])
2065 ])
2066 CFLAGS=$safe_CFLAGS
2068 AC_SUBST(FLAG_M32)
2071 # does this compiler support -march=mips64r2 (mips64r2 default) ?
2072 AC_MSG_CHECKING([if gcc accepts -march=mips64r2 -mabi=64])
2074 safe_CFLAGS=$CFLAGS
2075 CFLAGS="$CFLAGS -march=mips64r2 -mabi=64 -Werror"
2077 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2078 return 0;
2079 ]])], [
2080 FLAG_M64="-march=mips64r2 -mabi=64"
2081 AC_MSG_RESULT([yes])
2082 ], [
2083 FLAG_M64=""
2084 AC_MSG_RESULT([no])
2085 ])
2086 CFLAGS=$safe_CFLAGS
2088 AC_SUBST(FLAG_M64)
2089 fi
2090 ;;
2091 nanomips*)
2092 ;;
2093 *)
2094 # does this compiler support -m32 ?
2095 AC_MSG_CHECKING([if gcc accepts -m32])
2097 safe_CFLAGS=$CFLAGS
2098 CFLAGS="${FLAG_32ON64} -m32 -Werror"
2100 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2101 return 0;
2102 ]])], [
2103 FLAG_M32="${FLAG_32ON64} -m32"
2104 AC_MSG_RESULT([yes])
2105 ], [
2106 FLAG_M32=""
2107 AC_MSG_RESULT([no])
2108 ])
2109 CFLAGS=$safe_CFLAGS
2111 AC_SUBST(FLAG_M32)
2114 # does this compiler support -m64 ?
2115 AC_MSG_CHECKING([if gcc accepts -m64])
2117 safe_CFLAGS=$CFLAGS
2118 CFLAGS="-m64 -Werror"
2120 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2121 return 0;
2122 ]])], [
2123 FLAG_M64="-m64"
2124 AC_MSG_RESULT([yes])
2125 ], [
2126 FLAG_M64=""
2127 AC_MSG_RESULT([no])
2128 ])
2129 CFLAGS=$safe_CFLAGS
2131 AC_SUBST(FLAG_M64)
2132 ;;
2133 esac
2136 ARCH=$(echo "$CFLAGS" | grep -E -e '-march=@<:@^ @:>@+' -e '\B-mips@<:@^ +@:>@')
2137 if test -z "$ARCH"; then
2138 # does this compiler support -march=octeon (Cavium OCTEON I Specific) ?
2139 AC_MSG_CHECKING([if gcc accepts -march=octeon])
2141 safe_CFLAGS=$CFLAGS
2142 CFLAGS="$CFLAGS $FLAG_M64 -march=octeon -Werror"
2144 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2145 return 0;
2146 ]])], [
2147 FLAG_OCTEON="-march=octeon"
2148 AC_MSG_RESULT([yes])
2149 ], [
2150 FLAG_OCTEON=""
2151 AC_MSG_RESULT([no])
2152 ])
2153 CFLAGS=$safe_CFLAGS
2155 AC_SUBST(FLAG_OCTEON)
2158 # does this compiler support -march=octeon2 (Cavium OCTEON II Specific) ?
2159 AC_MSG_CHECKING([if gcc accepts -march=octeon2])
2161 safe_CFLAGS=$CFLAGS
2162 CFLAGS="$CFLAGS $FLAG_M64 -march=octeon2 -Werror"
2164 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2165 return 0;
2166 ]])], [
2167 FLAG_OCTEON2="-march=octeon2"
2168 AC_MSG_RESULT([yes])
2169 ], [
2170 FLAG_OCTEON2=""
2171 AC_MSG_RESULT([no])
2172 ])
2173 CFLAGS=$safe_CFLAGS
2175 AC_SUBST(FLAG_OCTEON2)
2176 fi
2179 # does this compiler support -mmsa (MIPS MSA ASE) ?
2180 AC_MSG_CHECKING([if gcc accepts -mmsa])
2182 safe_CFLAGS=$CFLAGS
2183 CFLAGS="$CFLAGS -mmsa -Werror"
2185 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2186 return 0;
2187 ]])], [
2188 FLAG_MSA="-mmsa"
2189 AC_MSG_RESULT([yes])
2190 ], [
2191 FLAG_MSA=""
2192 AC_MSG_RESULT([no])
2193 ])
2194 CFLAGS=$safe_CFLAGS
2196 AC_SUBST(FLAG_MSA)
2198 # Are we compiling for the MIPS64 n32 ABI?
2199 AC_MSG_CHECKING([if gcc is producing mips n32 binaries])
2200 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
2201 #if !defined(_MIPS_SIM) || (defined(_MIPS_SIM) && (_MIPS_SIM != _ABIN32))
2202 #error NO
2203 #endif
2204 ]])], [
2205 VGCONF_ABI=N32
2206 FLAG_M64="-march=mips64r2 -mabi=n32"
2207 AC_MSG_RESULT([yes])
2208 ], [
2209 AC_MSG_RESULT([no])
2210 ])
2212 # Are we compiling for the MIPS64 n64 ABI?
2213 AC_MSG_CHECKING([if gcc is producing mips n64 binaries])
2214 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
2215 #if !defined(_MIPS_SIM) || (defined(_MIPS_SIM) && (_MIPS_SIM != _ABI64))
2216 #error NO
2217 #endif
2218 ]])], [
2219 VGCONF_ABI=64
2220 AC_MSG_RESULT([yes])
2221 ], [
2222 AC_MSG_RESULT([no])
2223 ])
2225 # We enter the code block below in the following case:
2226 # Target architecture is set to mips64, the desired abi
2227 # was not specified and the compiler's default abi setting
2228 # is neither n32 nor n64.
2229 # Probe for and set the abi to either n64 or n32, in that order,
2230 # which is required for a mips64 build of valgrind.
2231 if test "$ARCH_MAX" = "mips64" -a "x$VGCONF_ABI" = "x"; then
2232 safe_CFLAGS=$CFLAGS
2233 CFLAGS="$CFLAGS -mabi=64 -Werror"
2234 AC_MSG_CHECKING([if gcc is n64 capable])
2235 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
2236 return 0;
2237 ]])], [
2238 VGCONF_ABI=64
2239 AC_MSG_RESULT([yes])
2240 ], [
2241 AC_MSG_RESULT([no])
2242 ])
2243 CFLAGS=$safe_CFLAGS
2245 if test "x$VGCONF_ABI" = "x"; then
2246 safe_CFLAGS=$CFLAGS
2247 CFLAGS="$CFLAGS -mabi=n32 -Werror"
2248 AC_MSG_CHECKING([if gcc is n32 capable])
2249 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
2250 return 0;
2251 ]])], [
2252 VGCONF_ABI=N32
2253 FLAG_M64="-march=mips64r2 -mabi=n32"
2254 AC_MSG_RESULT([yes])
2255 ], [
2256 AC_MSG_RESULT([no])
2257 ])
2258 CFLAGS=$safe_CFLAGS
2259 fi
2260 fi
2262 AM_CONDITIONAL([VGCONF_HAVE_ABI],
2263 [test x$VGCONF_ABI != x])
2264 AC_SUBST(VGCONF_ABI)
2267 # does this compiler support -mmmx ?
2268 AC_MSG_CHECKING([if gcc accepts -mmmx])
2270 safe_CFLAGS=$CFLAGS
2271 CFLAGS="-mmmx -Werror"
2273 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2274 return 0;
2275 ]])], [
2276 FLAG_MMMX="-mmmx"
2277 AC_MSG_RESULT([yes])
2278 ], [
2279 FLAG_MMMX=""
2280 AC_MSG_RESULT([no])
2281 ])
2282 CFLAGS=$safe_CFLAGS
2284 AC_SUBST(FLAG_MMMX)
2287 # does this compiler support -msse ?
2288 AC_MSG_CHECKING([if gcc accepts -msse])
2290 safe_CFLAGS=$CFLAGS
2291 CFLAGS="-msse -Werror"
2293 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2294 return 0;
2295 ]])], [
2296 FLAG_MSSE="-msse"
2297 AC_MSG_RESULT([yes])
2298 ], [
2299 FLAG_MSSE=""
2300 AC_MSG_RESULT([no])
2301 ])
2302 CFLAGS=$safe_CFLAGS
2304 AC_SUBST(FLAG_MSSE)
2307 # does this compiler support -mpreferred-stack-boundary=2 when
2308 # generating code for a 32-bit target? Note that we only care about
2309 # this when generating code for (32-bit) x86, so if the compiler
2310 # doesn't recognise -m32 it's no big deal. We'll just get code for
2311 # the Memcheck and other helper functions, that is a bit slower than
2312 # it could be, on x86; and no difference at all on any other platform.
2313 AC_MSG_CHECKING([if gcc accepts -mpreferred-stack-boundary=2 -m32])
2315 safe_CFLAGS=$CFLAGS
2316 CFLAGS="-mpreferred-stack-boundary=2 -m32 -Werror"
2318 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2319 return 0;
2320 ]])], [
2321 PREFERRED_STACK_BOUNDARY_2="-mpreferred-stack-boundary=2"
2322 AC_MSG_RESULT([yes])
2323 ], [
2324 PREFERRED_STACK_BOUNDARY_2=""
2325 AC_MSG_RESULT([no])
2326 ])
2327 CFLAGS=$safe_CFLAGS
2329 AC_SUBST(PREFERRED_STACK_BOUNDARY_2)
2332 # does this compiler support -mlong-double-128 ?
2333 AC_MSG_CHECKING([if gcc accepts -mlong-double-128])
2334 safe_CFLAGS=$CFLAGS
2335 CFLAGS="-mlong-double-128 -Werror"
2336 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2337 return 0;
2338 ]])], [
2339 ac_compiler_supports_mlong_double_128=yes
2340 AC_MSG_RESULT([yes])
2341 ], [
2342 ac_compiler_supports_mlong_double_128=no
2343 AC_MSG_RESULT([no])
2344 ])
2345 CFLAGS=$safe_CFLAGS
2346 AM_CONDITIONAL(HAS_MLONG_DOUBLE_128, test x$ac_compiler_supports_mlong_double_128 = xyes)
2347 FLAG_MLONG_DOUBLE_128="-mlong-double-128"
2348 AC_SUBST(FLAG_MLONG_DOUBLE_128)
2350 # does this toolchain support lto ?
2351 # Not checked for if --enable-lto=no was given, or if LTO_AR or LTO_RANLIG
2352 # are not defined
2353 # If not enable-lto=* arg is provided, default to no, as lto builds are
2354 # a lot slower, and so not appropriate for Valgrind developments.
2355 # --enable-lto=yes should be used by distro packagers.
2356 AC_CACHE_CHECK([for using the link time optimisation], vg_cv_lto,
2357 [AC_ARG_ENABLE(lto,
2358 [ --enable-lto enables building with link time optimisation],
2359 [vg_cv_lto=$enableval],
2360 [vg_cv_lto=no])])
2362 if test "x${vg_cv_lto}" != "xno" -a "x${LTO_AR}" != "x" -a "x${LTO_RANLIB}" != "x"; then
2363 AC_MSG_CHECKING([if toolchain accepts lto])
2364 safe_CFLAGS=$CFLAGS
2365 TEST_LTO_CFLAGS="-flto -flto-partition=one -fuse-linker-plugin"
2366 # Note : using 'one' partition is giving a slightly smaller/faster memcheck
2367 # and ld/lto-trans1 still needs a reasonable memory (about 0.5GB) when linking.
2368 CFLAGS="$TEST_LTO_CFLAGS -Werror"
2370 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2371 extern void somefun(void);
2372 somefun();
2373 return 0;
2374 ]])], [
2375 LTO_CFLAGS=$TEST_LTO_CFLAGS
2376 AC_MSG_RESULT([yes])
2377 ], [
2378 LTO_CFLAGS=""
2379 AC_MSG_RESULT([no])
2380 ])
2381 CFLAGS=$safe_CFLAGS
2382 fi
2384 AC_SUBST(LTO_CFLAGS)
2386 # if we could not compile with lto args, or lto was disabled,
2387 # then set LTO_AR/LTO_RANLIB to the non lto values
2388 # define in config.h ENABLE_LTO (not needed by the code currently, but
2389 # this guarantees we recompile everything if we re-configure and rebuild
2390 # in a build dir previously build with another value of --enable-lto
2391 if test "x${LTO_CFLAGS}" = "x"; then
2392 LTO_AR=${AR}
2393 LTO_RANLIB=${RANLIB}
2394 vg_cv_lto=no
2395 else
2396 vg_cv_lto=yes
2397 AC_DEFINE([ENABLE_LTO], 1, [configured to build with lto link time optimisation])
2398 fi
2400 # Convenience function to check whether GCC supports a particular
2401 # warning option. Takes two arguments,
2402 # first the warning flag name to check (without -W), then the
2403 # substitution name to set with -Wno-warning-flag if the flag exists,
2404 # or the empty string if the compiler doesn't accept the flag. Note
2405 # that checking is done against the warning flag itself, but the
2406 # substitution is then done to cancel the warning flag.
2407 AC_DEFUN([AC_GCC_WARNING_SUBST_NO],[
2408 AC_MSG_CHECKING([if gcc accepts -W$1])
2409 safe_CFLAGS=$CFLAGS
2410 CFLAGS="-W$1 -Werror"
2411 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[;]])], [
2412 AC_SUBST([$2], [-Wno-$1])
2413 AC_MSG_RESULT([yes])], [
2414 AC_SUBST([$2], [])
2415 AC_MSG_RESULT([no])])
2416 CFLAGS=$safe_CFLAGS
2417 ])
2419 # Convenience function. Like AC_GCC_WARNING_SUBST_NO, except it substitutes
2420 # -W$1 (instead of -Wno-$1).
2421 AC_DEFUN([AC_GCC_WARNING_SUBST],[
2422 AC_MSG_CHECKING([if gcc accepts -W$1])
2423 safe_CFLAGS=$CFLAGS
2424 CFLAGS="-W$1 -Werror"
2425 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[;]])], [
2426 AC_SUBST([$2], [-W$1])
2427 AC_MSG_RESULT([yes])], [
2428 AC_SUBST([$2], [])
2429 AC_MSG_RESULT([no])])
2430 CFLAGS=$safe_CFLAGS
2431 ])
2433 AC_GCC_WARNING_SUBST_NO([memset-transposed-args], [FLAG_W_NO_MEMSET_TRANSPOSED_ARGS])
2434 AC_GCC_WARNING_SUBST_NO([nonnull], [FLAG_W_NO_NONNULL])
2435 AC_GCC_WARNING_SUBST_NO([overflow], [FLAG_W_NO_OVERFLOW])
2436 AC_GCC_WARNING_SUBST_NO([pointer-sign], [FLAG_W_NO_POINTER_SIGN])
2437 AC_GCC_WARNING_SUBST_NO([uninitialized], [FLAG_W_NO_UNINITIALIZED])
2438 AC_GCC_WARNING_SUBST_NO([unused-function], [FLAG_W_NO_UNUSED_FUNCTION])
2439 AC_GCC_WARNING_SUBST_NO([static-local-in-inline], [FLAG_W_NO_STATIC_LOCAL_IN_INLINE])
2440 AC_GCC_WARNING_SUBST_NO([mismatched-new-delete], [FLAG_W_NO_MISMATCHED_NEW_DELETE])
2441 AC_GCC_WARNING_SUBST_NO([infinite-recursion], [FLAG_W_NO_INFINITE_RECURSION])
2442 AC_GCC_WARNING_SUBST_NO([expansion-to-defined], [FLAG_W_NO_EXPANSION_TO_DEFINED])
2444 AC_GCC_WARNING_SUBST([write-strings], [FLAG_W_WRITE_STRINGS])
2445 AC_GCC_WARNING_SUBST([empty-body], [FLAG_W_EMPTY_BODY])
2446 AC_GCC_WARNING_SUBST([format], [FLAG_W_FORMAT])
2447 AC_GCC_WARNING_SUBST([format-signedness], [FLAG_W_FORMAT_SIGNEDNESS])
2448 AC_GCC_WARNING_SUBST([cast-qual], [FLAG_W_CAST_QUAL])
2449 AC_GCC_WARNING_SUBST([old-style-declaration], [FLAG_W_OLD_STYLE_DECLARATION])
2450 AC_GCC_WARNING_SUBST([ignored-qualifiers], [FLAG_W_IGNORED_QUALIFIERS])
2451 AC_GCC_WARNING_SUBST([missing-parameter-type], [FLAG_W_MISSING_PARAMETER_TYPE])
2452 AC_GCC_WARNING_SUBST([logical-op], [FLAG_W_LOGICAL_OP])
2453 AC_GCC_WARNING_SUBST([enum-conversion], [FLAG_W_ENUM_CONVERSION])
2454 AC_GCC_WARNING_SUBST([implicit-fallthrough=2], [FLAG_W_IMPLICIT_FALLTHROUGH])
2456 # Does this compiler support -Wformat-security ?
2457 # Special handling is needed, because certain GCC versions require -Wformat
2458 # being present if -Wformat-security is given. Otherwise a warning is issued.
2459 # However, AC_GCC_WARNING_SUBST will stick in -Werror (see r15323 for rationale).
2460 # And with that the warning will be turned into an error with the result
2461 # that -Wformat-security is believed to be unsupported when in fact it is.
2462 AC_MSG_CHECKING([if gcc accepts -Wformat-security])
2463 safe_CFLAGS=$CFLAGS
2464 CFLAGS="-Wformat -Wformat-security -Werror"
2465 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[;]])], [
2466 AC_SUBST([FLAG_W_FORMAT_SECURITY], [-Wformat-security])
2467 AC_MSG_RESULT([yes])], [
2468 AC_SUBST([FLAG_W_FORMAT_SECURITY], [])
2469 AC_MSG_RESULT([no])])
2470 CFLAGS=$safe_CFLAGS
2472 # does this compiler support -Wextra or the older -W ?
2474 AC_MSG_CHECKING([if gcc accepts -Wextra or -W])
2476 safe_CFLAGS=$CFLAGS
2477 CFLAGS="-Wextra -Werror"
2479 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2480 return 0;
2481 ]])], [
2482 AC_SUBST([FLAG_W_EXTRA], [-Wextra])
2483 AC_MSG_RESULT([-Wextra])
2484 ], [
2485 CFLAGS="-W -Werror"
2486 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2487 return 0;
2488 ]])], [
2489 AC_SUBST([FLAG_W_EXTRA], [-W])
2490 AC_MSG_RESULT([-W])
2491 ], [
2492 AC_SUBST([FLAG_W_EXTRA], [])
2493 AC_MSG_RESULT([not supported])
2494 ])
2495 ])
2496 CFLAGS=$safe_CFLAGS
2498 # On ARM we do not want to pass -Wcast-align as that produces loads
2499 # of warnings. GCC is just being conservative. See here:
2500 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65459#c4
2501 if test "X$VGCONF_ARCH_PRI" = "Xarm"; then
2502 AC_SUBST([FLAG_W_CAST_ALIGN], [""])
2503 else
2504 AC_SUBST([FLAG_W_CAST_ALIGN], [-Wcast-align])
2505 fi
2507 # does this compiler support -faligned-new ?
2508 AC_MSG_CHECKING([if g++ accepts -faligned-new])
2510 safe_CXXFLAGS=$CXXFLAGS
2511 CXXFLAGS="-faligned-new -Werror"
2513 AC_LANG(C++)
2514 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2515 return 0;
2516 ]])], [
2517 FLAG_FALIGNED_NEW="-faligned-new"
2518 AC_MSG_RESULT([yes])
2519 ], [
2520 FLAG_FALIGNED_NEW=""
2521 AC_MSG_RESULT([no])
2522 ])
2523 CXXFLAGS=$safe_CXXFLAGS
2524 AC_LANG(C)
2526 AC_SUBST(FLAG_FALIGNED_NEW)
2528 # does this compiler support -fsized-deallocation ?
2529 AC_MSG_CHECKING([if g++ accepts -fsized-deallocation])
2531 safe_CXXFLAGS=$CXXFLAGS
2532 CXXFLAGS="-fsized-deallocation -Werror"
2534 AC_LANG(C++)
2535 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2536 return 0;
2537 ]])], [
2538 FLAG_FSIZED_DEALLOCATION="-fsized-deallocation"
2539 ac_have_sized_deallocation=yes
2540 AC_MSG_RESULT([yes])
2541 ], [
2542 FLAG_FSIZED_DEALLOCATION=""
2543 ac_have_sized_deallocation=no
2544 AC_MSG_RESULT([no])
2545 ])
2546 CXXFLAGS=$safe_CXXFLAGS
2547 AC_LANG(C)
2549 AC_SUBST(FLAG_FSIZED_DEALLOCATION)
2550 AM_CONDITIONAL([HAVE_FSIZED_DEALLOCATION], [test x$ac_have_sized_deallocation = xyes])
2552 # does this compiler support C++17 aligned new/delete?
2553 AC_MSG_CHECKING([if g++ supports aligned new and delete])
2555 safe_CXXFLAGS=$CXXFLAGS
2556 CXXFLAGS="-std=c++17"
2558 AC_LANG(C++)
2559 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2560 #include <cstdlib>
2561 #include <new>
2562 ]], [[
2563 operator delete(nullptr, std::align_val_t(64U));
2564 ]])], [
2565 ac_have_aligned_cxx_alloc=yes
2566 AC_MSG_RESULT([yes])
2567 ], [
2568 ac_have_aligned_cxx_alloc=no
2569 AC_MSG_RESULT([no])
2570 ])
2571 CXXFLAGS=$safe_CXXFLAGS
2572 AC_LANG(C)
2574 AM_CONDITIONAL([HAVE_ALIGNED_CXX_ALLOC], [test x$ac_have_aligned_cxx_alloc = xyes])
2576 # does this compiler support -fno-stack-protector ?
2577 AC_MSG_CHECKING([if gcc accepts -fno-stack-protector])
2579 safe_CFLAGS=$CFLAGS
2580 CFLAGS="-fno-stack-protector -Werror"
2582 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2583 return 0;
2584 ]])], [
2585 no_stack_protector=yes
2586 FLAG_FNO_STACK_PROTECTOR="-fno-stack-protector"
2587 AC_MSG_RESULT([yes])
2588 ], [
2589 no_stack_protector=no
2590 FLAG_FNO_STACK_PROTECTOR=""
2591 AC_MSG_RESULT([no])
2592 ])
2593 CFLAGS=$safe_CFLAGS
2595 AC_SUBST(FLAG_FNO_STACK_PROTECTOR)
2597 # does this compiler support -finline-functions ?
2598 AC_MSG_CHECKING([if gcc accepts -finline-functions])
2600 safe_CFLAGS=$CFLAGS
2601 CFLAGS="-finline-functions -Werror"
2603 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2604 return 0;
2605 ]])], [
2606 inline_functions=yes
2607 FLAG_FINLINE_FUNCTIONS="-finline-functions"
2608 AC_MSG_RESULT([yes])
2609 ], [
2610 inline_functions=no
2611 FLAG_FINLINE_FUNCTIONS=""
2612 AC_MSG_RESULT([no])
2613 ])
2614 CFLAGS=$safe_CFLAGS
2616 AC_SUBST(FLAG_FINLINE_FUNCTIONS)
2618 # Does GCC support disabling Identical Code Folding?
2619 # We want to disabled Identical Code Folding for the
2620 # tools preload shared objects to get better backraces.
2621 # For GCC 5.1+ -fipa-icf is enabled by default at -O2.
2622 # "The optimization reduces code size and may disturb
2623 # unwind stacks by replacing a function by equivalent
2624 # one with a different name."
2625 AC_MSG_CHECKING([if gcc accepts -fno-ipa-icf])
2627 safe_CFLAGS=$CFLAGS
2628 CFLAGS="-fno-ipa-icf -Werror"
2630 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2631 return 0;
2632 ]])], [
2633 no_ipa_icf=yes
2634 FLAG_FNO_IPA_ICF="-fno-ipa-icf"
2635 AC_MSG_RESULT([yes])
2636 ], [
2637 no_ipa_icf=no
2638 FLAG_FNO_IPA_ICF=""
2639 AC_MSG_RESULT([no])
2640 ])
2641 CFLAGS=$safe_CFLAGS
2643 AC_SUBST(FLAG_FNO_IPA_ICF)
2646 # Does this compiler support -fsanitize=undefined. This is true for
2647 # GCC 4.9 and newer. However, the undefined behaviour sanitiser in GCC 5.1
2648 # also checks for alignment violations on memory accesses which the valgrind
2649 # code base is sprinkled (if not littered) with. As those alignment issues
2650 # don't pose a problem we want to suppress warnings about them.
2651 # In GCC 5.1 this can be done by passing -fno-sanitize=alignment. Earlier
2652 # GCCs do not support that.
2653 #
2654 # Only checked for if --enable-ubsan was given.
2655 if test "x${vg_cv_ubsan}" = "xyes"; then
2656 AC_MSG_CHECKING([if gcc accepts -fsanitize=undefined -fno-sanitize=alignment])
2657 safe_CFLAGS=$CFLAGS
2658 CFLAGS="-fsanitize=undefined -fno-sanitize=alignment -Werror"
2659 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2660 return 0;
2661 ]])], [
2662 FLAG_FSANITIZE="-fsanitize=undefined -fno-sanitize=alignment"
2663 LIB_UBSAN="-static-libubsan"
2664 AC_MSG_RESULT([yes])
2665 ], [
2666 CFLAGS="-fsanitize=undefined -Werror"
2667 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2668 return 0;
2669 ]])], [
2670 FLAG_FSANITIZE="-fsanitize=undefined"
2671 LIB_UBSAN="-static-libubsan"
2672 AC_MSG_RESULT([yes])
2673 ], [
2674 FLAG_FSANITIZE=""
2675 LIB_UBSAN=""
2676 AC_MSG_RESULT([no])
2677 ])
2678 ])
2679 CFLAGS=$safe_CFLAGS
2680 AC_SUBST(FLAG_FSANITIZE)
2681 AC_SUBST(LIB_UBSAN)
2682 fi
2683 # does this compiler support --param inline-unit-growth=... ?
2685 AC_MSG_CHECKING([if gcc accepts --param inline-unit-growth])
2687 safe_CFLAGS=$CFLAGS
2688 CFLAGS="--param inline-unit-growth=900 -Werror"
2690 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2691 return 0;
2692 ]])], [
2693 AC_SUBST([FLAG_UNLIMITED_INLINE_UNIT_GROWTH],
2694 ["--param inline-unit-growth=900"])
2695 AC_MSG_RESULT([yes])
2696 ], [
2697 AC_SUBST([FLAG_UNLIMITED_INLINE_UNIT_GROWTH], [""])
2698 AC_MSG_RESULT([no])
2699 ])
2700 CFLAGS=$safe_CFLAGS
2703 # does this compiler support -gdwarf-4 -fdebug-types-section ?
2705 AC_MSG_CHECKING([if gcc accepts -gdwarf-4 -fdebug-types-section])
2707 safe_CFLAGS=$CFLAGS
2708 CFLAGS="-gdwarf-4 -fdebug-types-section -Werror"
2710 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2711 return 0;
2712 ]])], [
2713 ac_have_dwarf4=yes
2714 AC_MSG_RESULT([yes])
2715 ], [
2716 ac_have_dwarf4=no
2717 AC_MSG_RESULT([no])
2718 ])
2719 AM_CONDITIONAL(DWARF4, test x$ac_have_dwarf4 = xyes)
2720 CFLAGS=$safe_CFLAGS
2723 # does this compiler support -g -gz=zlib ?
2725 AC_MSG_CHECKING([if gcc accepts -g -gz=zlib])
2727 safe_CFLAGS=$CFLAGS
2728 CFLAGS="-g -gz=zlib"
2730 AC_LINK_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2731 return 0;
2732 ]])], [
2733 ac_have_gz_zlib=yes
2734 AC_MSG_RESULT([yes])
2735 ], [
2736 ac_have_gz_zlib=no
2737 AC_MSG_RESULT([no])
2738 ])
2739 AM_CONDITIONAL(GZ_ZLIB, test x$ac_have_gz_zlib = xyes)
2740 CFLAGS=$safe_CFLAGS
2743 # does this compiler support -g -gz=zlib-gnu ?
2745 AC_MSG_CHECKING([if gcc accepts -g -gz=zlib-gnu])
2747 safe_CFLAGS=$CFLAGS
2748 CFLAGS="-g -gz=zlib-gnu"
2750 AC_LINK_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2751 return 0;
2752 ]])], [
2753 ac_have_gz_zlib_gnu=yes
2754 AC_MSG_RESULT([yes])
2755 ], [
2756 ac_have_gz_zlib_gnu=no
2757 AC_MSG_RESULT([no])
2758 ])
2759 AM_CONDITIONAL(GZ_ZLIB_GNU, test x$ac_have_gz_zlib_gnu = xyes)
2760 CFLAGS=$safe_CFLAGS
2763 # does this compiler support nested functions ?
2765 AC_MSG_CHECKING([if gcc accepts nested functions])
2767 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2768 int foo() { return 1; }
2769 return foo();
2770 ]])], [
2771 ac_have_nested_functions=yes
2772 AC_MSG_RESULT([yes])
2773 ], [
2774 ac_have_nested_functions=no
2775 AC_MSG_RESULT([no])
2776 ])
2777 AM_CONDITIONAL([HAVE_NESTED_FUNCTIONS], [test x$ac_have_nested_functions = xyes])
2780 # does this compiler support the 'p' constraint in ASM statements ?
2782 AC_MSG_CHECKING([if gcc accepts the 'p' constraint in asm statements])
2784 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2785 char *p;
2786 __asm__ __volatile__ ("movdqa (%0),%%xmm6\n" : "=p" (p));
2787 ]])], [
2788 ac_have_asm_constraint_p=yes
2789 AC_MSG_RESULT([yes])
2790 ], [
2791 ac_have_asm_constraint_p=no
2792 AC_MSG_RESULT([no])
2793 ])
2794 AM_CONDITIONAL([HAVE_ASM_CONSTRAINT_P], [test x$ac_have_asm_constraint_p = xyes])
2797 # Does this compiler and linker support -pie?
2798 # Some compilers actually do not support -pie and report its usage
2799 # as an error. We need to check if it is safe to use it first.
2801 AC_MSG_CHECKING([if gcc accepts -pie])
2803 safe_CFLAGS=$CFLAGS
2804 CFLAGS="-pie"
2806 AC_LINK_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2807 return 0;
2808 ]])], [
2809 AC_SUBST([FLAG_PIE], ["-pie"])
2810 AC_MSG_RESULT([yes])
2811 ], [
2812 AC_SUBST([FLAG_PIE], [""])
2813 AC_MSG_RESULT([no])
2814 ])
2815 CFLAGS=$safe_CFLAGS
2818 # Does this compiler support -no-pie?
2819 # On Ubuntu 16.10+, gcc produces position independent executables (PIE) by
2820 # default. However this gets in the way with some tests, we use -no-pie
2821 # for these.
2823 AC_MSG_CHECKING([if gcc accepts -no-pie])
2825 safe_CFLAGS=$CFLAGS
2826 CFLAGS="-no-pie -Werror"
2828 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2829 return 0;
2830 ]])], [
2831 AC_SUBST([FLAG_NO_PIE], ["-no-pie"])
2832 AC_MSG_RESULT([yes])
2833 ], [
2834 AC_SUBST([FLAG_NO_PIE], [""])
2835 AC_MSG_RESULT([no])
2836 ])
2837 CFLAGS=$safe_CFLAGS
2840 # We want to use use the -Ttext-segment option to the linker.
2841 # GNU (bfd) ld supports this directly. Newer GNU gold linkers
2842 # support it as an alias of -Ttext. Sadly GNU (bfd) ld's -Ttext
2843 # semantics are NOT what we want (GNU gold -Ttext is fine).
2844 #
2845 # For GNU (bfd) ld -Ttext-segment chooses the base at which ELF headers
2846 # will reside. -Ttext aligns just the .text section start (but not any
2847 # other section).
2848 #
2849 # LLVM ld.lld 10.0 changed the semantics of its -Ttext. See "Breaking changes"
2850 # in https://releases.llvm.org/10.0.0/tools/lld/docs/ReleaseNotes.html
2851 # The --image-base option (since version 6.0?) provides the semantics needed.
2852 # -Ttext-segment generates an error, but -Ttext now more closely
2853 # follows the GNU (bfd) ld's -Ttext.
2854 #
2855 # So test first for --image-base support, and if that fails then
2856 # for -Ttext-segment which is supported by all bfd ld versions
2857 # and use that if it exists. If it doesn't exist it must be an older
2858 # version of gold and we can fall back to using -Ttext which has the
2859 # right semantics.
2861 safe_CFLAGS=$CFLAGS
2862 AC_MSG_CHECKING([if the linker accepts -Wl,--image-base])
2864 CFLAGS="-static -nodefaultlibs -nostartfiles -Wl,--image-base=$valt_load_address_pri_norml -Werror"
2866 AC_LINK_IFELSE(
2867 [AC_LANG_SOURCE([int _start () { return 0; }])],
2868 [
2869 linker_using_t_text="no"
2870 AC_SUBST([FLAG_T_TEXT], ["--image-base"])
2871 AC_MSG_RESULT([yes])
2872 ], [
2873 AC_MSG_RESULT([no])
2875 AC_MSG_CHECKING([if the linker accepts -Wl,-Ttext-segment])
2877 CFLAGS="-static -nodefaultlibs -nostartfiles -Wl,-Ttext-segment=$valt_load_address_pri_norml -Werror"
2879 AC_LINK_IFELSE(
2880 [AC_LANG_SOURCE([int _start () { return 0; }])],
2881 [
2882 linker_using_t_text="no"
2883 AC_SUBST([FLAG_T_TEXT], ["-Ttext-segment"])
2884 AC_MSG_RESULT([yes])
2885 ], [
2886 linker_using_t_text="yes"
2887 AC_SUBST([FLAG_T_TEXT], ["-Ttext"])
2888 AC_MSG_RESULT([no])
2889 ])
2890 ])
2892 CFLAGS=$safe_CFLAGS
2894 # If the linker only supports -Ttext (not -Ttext-segment or --image-base) then we will
2895 # have to strip any build-id ELF NOTEs from the statically linked tools.
2896 # Otherwise the build-id NOTE might end up at the default load address.
2897 # (Pedantically if the linker is gold then -Ttext is fine, but newer
2898 # gold versions also support -Ttext-segment. So just assume that unless
2899 # we can use -Ttext-segment we need to strip the build-id NOTEs.
2900 if test "x${linker_using_t_text}" = "xyes"; then
2901 AC_MSG_NOTICE([ld -Ttext used, need to strip build-id NOTEs.])
2902 # does the linker support -Wl,--build-id=none ? Note, it's
2903 # important that we test indirectly via whichever C compiler
2904 # is selected, rather than testing /usr/bin/ld or whatever
2905 # directly.
2906 AC_MSG_CHECKING([if the linker accepts -Wl,--build-id=none])
2907 safe_CFLAGS=$CFLAGS
2908 CFLAGS="-Wl,--build-id=none -Werror"
2910 AC_LINK_IFELSE(
2911 [AC_LANG_PROGRAM([ ], [return 0;])],
2912 [
2913 AC_SUBST([FLAG_NO_BUILD_ID], ["-Wl,--build-id=none"])
2914 AC_MSG_RESULT([yes])
2915 ], [
2916 AC_SUBST([FLAG_NO_BUILD_ID], [""])
2917 AC_MSG_RESULT([no])
2918 ])
2919 else
2920 AC_MSG_NOTICE([ld --image-base or -Ttext-segment used, no need to strip build-id NOTEs.])
2921 AC_SUBST([FLAG_NO_BUILD_ID], [""])
2922 fi
2923 CFLAGS=$safe_CFLAGS
2925 # does the ppc assembler support "mtocrf" et al?
2926 AC_MSG_CHECKING([if ppc32/64 as supports mtocrf/mfocrf])
2928 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2929 __asm__ __volatile__("mtocrf 4,0");
2930 __asm__ __volatile__("mfocrf 0,4");
2931 ]])], [
2932 ac_have_as_ppc_mftocrf=yes
2933 AC_MSG_RESULT([yes])
2934 ], [
2935 ac_have_as_ppc_mftocrf=no
2936 AC_MSG_RESULT([no])
2937 ])
2938 if test x$ac_have_as_ppc_mftocrf = xyes ; then
2939 AC_DEFINE(HAVE_AS_PPC_MFTOCRF, 1, [Define to 1 if as supports mtocrf/mfocrf.])
2940 fi
2943 # does the ppc assembler support "lfdp" and other phased out floating point insns?
2944 AC_MSG_CHECKING([if ppc32/64 asm supports phased out floating point instructions])
2946 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2947 do { typedef struct {
2948 double hi;
2949 double lo;
2950 } dbl_pair_t;
2951 dbl_pair_t dbl_pair[3];
2952 __asm__ volatile ("lfdp 10, %0"::"m" (dbl_pair[0]));
2953 } while (0)
2954 ]])], [
2955 ac_have_as_ppc_fpPO=yes
2956 AC_MSG_RESULT([yes])
2957 ], [
2958 ac_have_as_ppc_fpPO=no
2959 AC_MSG_RESULT([no])
2960 ])
2961 if test x$ac_have_as_ppc_fpPO = xyes ; then
2962 AC_DEFINE(HAVE_AS_PPC_FPPO, 1, [Define to 1 if as supports floating point phased out category.])
2963 fi
2966 # does the amd64 assembler understand "fxsave64" and "fxrstor64"?
2967 AC_MSG_CHECKING([if amd64 assembler supports fxsave64/fxrstor64])
2969 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2970 void* p;
2971 asm __volatile__("fxsave64 (%0)" : : "r" (p) : "memory" );
2972 asm __volatile__("fxrstor64 (%0)" : : "r" (p) : "memory" );
2973 ]])], [
2974 ac_have_as_amd64_fxsave64=yes
2975 AC_MSG_RESULT([yes])
2976 ], [
2977 ac_have_as_amd64_fxsave64=no
2978 AC_MSG_RESULT([no])
2979 ])
2980 if test x$ac_have_as_amd64_fxsave64 = xyes ; then
2981 AC_DEFINE(HAVE_AS_AMD64_FXSAVE64, 1, [Define to 1 if as supports fxsave64/fxrstor64.])
2982 fi
2984 # does the x86/amd64 assembler understand SSE3 instructions?
2985 # Note, this doesn't generate a C-level symbol. It generates a
2986 # automake-level symbol (BUILD_SSE3_TESTS), used in test Makefile.am's
2987 AC_MSG_CHECKING([if x86/amd64 assembler speaks SSE3])
2989 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2990 do { long long int x;
2991 __asm__ __volatile__("fisttpq (%0)" : :"r"(&x) ); }
2992 while (0)
2993 ]])], [
2994 ac_have_as_sse3=yes
2995 AC_MSG_RESULT([yes])
2996 ], [
2997 ac_have_as_sse3=no
2998 AC_MSG_RESULT([no])
2999 ])
3001 AM_CONDITIONAL(BUILD_SSE3_TESTS, test x$ac_have_as_sse3 = xyes)
3004 # Ditto for SSSE3 instructions (note extra S)
3005 # Note, this doesn't generate a C-level symbol. It generates a
3006 # automake-level symbol (BUILD_SSSE3_TESTS), used in test Makefile.am's
3007 AC_MSG_CHECKING([if x86/amd64 assembler speaks SSSE3])
3009 save_CFLAGS="$CFLAGS"
3010 CFLAGS="$CFLAGS -msse -Werror"
3011 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3012 do { long long int x;
3013 __asm__ __volatile__(
3014 "pabsb (%0),%%xmm7" : : "r"(&x) : "xmm7" ); }
3015 while (0)
3016 ]])], [
3017 ac_have_as_ssse3=yes
3018 AC_MSG_RESULT([yes])
3019 ], [
3020 ac_have_as_ssse3=no
3021 AC_MSG_RESULT([no])
3022 ])
3023 CFLAGS="$save_CFLAGS"
3025 AM_CONDITIONAL(BUILD_SSSE3_TESTS, test x$ac_have_as_ssse3 = xyes)
3028 # does the x86/amd64 assembler understand the PCLMULQDQ instruction?
3029 # Note, this doesn't generate a C-level symbol. It generates a
3030 # automake-level symbol (BUILD_PCLMULQDQ_TESTS), used in test Makefile.am's
3031 AC_MSG_CHECKING([if x86/amd64 assembler supports 'pclmulqdq'])
3032 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3033 do {
3034 __asm__ __volatile__(
3035 "pclmulqdq \$17,%%xmm6,%%xmm7" : : : "xmm6", "xmm7" ); }
3036 while (0)
3037 ]])], [
3038 ac_have_as_pclmulqdq=yes
3039 AC_MSG_RESULT([yes])
3040 ], [
3041 ac_have_as_pclmulqdq=no
3042 AC_MSG_RESULT([no])
3043 ])
3045 AM_CONDITIONAL(BUILD_PCLMULQDQ_TESTS, test x$ac_have_as_pclmulqdq = xyes)
3048 # does the x86/amd64 assembler understand the VPCLMULQDQ instruction?
3049 # Note, this doesn't generate a C-level symbol. It generates a
3050 # automake-level symbol (BUILD_VPCLMULQDQ_TESTS), used in test Makefile.am's
3051 AC_MSG_CHECKING([if x86/amd64 assembler supports 'vpclmulqdq'])
3052 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3053 do {
3054 /*
3055 * Carry-less multiplication of xmm1 with xmm2 and store the result in
3056 * xmm3. The immediate is used to determine which quadwords of xmm1 and
3057 * xmm2 should be used.
3058 */
3059 __asm__ __volatile__(
3060 "vpclmulqdq \$0,%%xmm1,%%xmm2,%%xmm3" : : : );
3061 } while (0)
3062 ]])], [
3063 ac_have_as_vpclmulqdq=yes
3064 AC_MSG_RESULT([yes])
3065 ], [
3066 ac_have_as_vpclmulqdq=no
3067 AC_MSG_RESULT([no])
3068 ])
3070 AM_CONDITIONAL(BUILD_VPCLMULQDQ_TESTS, test x$ac_have_as_vpclmulqdq = xyes)
3073 # does the x86/amd64 assembler understand FMA4 instructions?
3074 # Note, this doesn't generate a C-level symbol. It generates a
3075 # automake-level symbol (BUILD_AFM4_TESTS), used in test Makefile.am's
3076 AC_MSG_CHECKING([if x86/amd64 assembler supports FMA4 'vfmaddpd'])
3077 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3078 do {
3079 __asm__ __volatile__(
3080 "vfmaddpd %%xmm7,%%xmm8,%%xmm6,%%xmm9" : : : );
3081 } while (0)
3082 ]])], [
3083 ac_have_as_vfmaddpd=yes
3084 AC_MSG_RESULT([yes])
3085 ], [
3086 ac_have_as_vfmaddpd=no
3087 AC_MSG_RESULT([no])
3088 ])
3090 AM_CONDITIONAL(BUILD_FMA4_TESTS, test x$ac_have_as_vfmaddpd = xyes)
3093 # does the x86/amd64 assembler understand the LZCNT instruction?
3094 # Note, this doesn't generate a C-level symbol. It generates a
3095 # automake-level symbol (BUILD_LZCNT_TESTS), used in test Makefile.am's
3096 AC_MSG_CHECKING([if x86/amd64 assembler supports 'lzcnt'])
3098 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3099 do {
3100 __asm__ __volatile__("lzcnt %%rax,%%rax" : : : "rax");
3101 } while (0)
3102 ]])], [
3103 ac_have_as_lzcnt=yes
3104 AC_MSG_RESULT([yes])
3105 ], [
3106 ac_have_as_lzcnt=no
3107 AC_MSG_RESULT([no])
3108 ])
3110 AM_CONDITIONAL([BUILD_LZCNT_TESTS], [test x$ac_have_as_lzcnt = xyes])
3113 # does the x86/amd64 assembler understand the LOOPNEL instruction?
3114 # Note, this doesn't generate a C-level symbol. It generates a
3115 # automake-level symbol (BUILD_LOOPNEL_TESTS), used in test Makefile.am's
3116 AC_MSG_CHECKING([if x86/amd64 assembler supports 'loopnel'])
3118 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3119 do {
3120 __asm__ __volatile__("1: loopnel 1b\n");
3121 } while (0)
3122 ]])], [
3123 ac_have_as_loopnel=yes
3124 AC_MSG_RESULT([yes])
3125 ], [
3126 ac_have_as_loopnel=no
3127 AC_MSG_RESULT([no])
3128 ])
3130 AM_CONDITIONAL([BUILD_LOOPNEL_TESTS], [test x$ac_have_as_loopnel = xyes])
3133 # does the x86/amd64 assembler understand ADDR32 ?
3134 # Note, this doesn't generate a C-level symbol. It generates a
3135 # automake-level symbol (BUILD_ADDR32_TESTS), used in test Makefile.am's
3136 AC_MSG_CHECKING([if x86/amd64 assembler supports 'addr32'])
3138 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3139 do {
3140 asm volatile ("addr32 rep movsb");
3141 } while (0)
3142 ]])], [
3143 ac_have_as_addr32=yes
3144 AC_MSG_RESULT([yes])
3145 ], [
3146 ac_have_as_addr32=no
3147 AC_MSG_RESULT([no])
3148 ])
3150 AM_CONDITIONAL([BUILD_ADDR32_TESTS], [test x$ac_have_as_addr32 = xyes])
3153 # does the x86/amd64 assembler understand SSE 4.2 instructions?
3154 # Note, this doesn't generate a C-level symbol. It generates a
3155 # automake-level symbol (BUILD_SSE42_TESTS), used in test Makefile.am's
3156 AC_MSG_CHECKING([if x86/amd64 assembler speaks SSE4.2])
3158 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3159 do { long long int x;
3160 __asm__ __volatile__(
3161 "crc32q %%r15,%%r15" : : : "r15" );
3162 __asm__ __volatile__(
3163 "pblendvb (%%rcx), %%xmm11" : : : "memory", "xmm11");
3164 __asm__ __volatile__(
3165 "aesdec %%xmm2, %%xmm1" : : : "xmm2", "xmm1"); }
3166 while (0)
3167 ]])], [
3168 ac_have_as_sse42=yes
3169 AC_MSG_RESULT([yes])
3170 ], [
3171 ac_have_as_sse42=no
3172 AC_MSG_RESULT([no])
3173 ])
3175 AM_CONDITIONAL(BUILD_SSE42_TESTS, test x$ac_have_as_sse42 = xyes)
3178 # does the x86/amd64 assembler understand AVX instructions?
3179 # Note, this doesn't generate a C-level symbol. It generates a
3180 # automake-level symbol (BUILD_AVX_TESTS), used in test Makefile.am's
3181 AC_MSG_CHECKING([if x86/amd64 assembler speaks AVX])
3183 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3184 do { long long int x;
3185 __asm__ __volatile__(
3186 "vmovupd (%%rsp), %%ymm7" : : : "xmm7" );
3187 __asm__ __volatile__(
3188 "vaddpd %%ymm6,%%ymm7,%%ymm8" : : : "xmm6","xmm7","xmm8"); }
3189 while (0)
3190 ]])], [
3191 ac_have_as_avx=yes
3192 AC_MSG_RESULT([yes])
3193 ], [
3194 ac_have_as_avx=no
3195 AC_MSG_RESULT([no])
3196 ])
3198 AM_CONDITIONAL(BUILD_AVX_TESTS, test x$ac_have_as_avx = xyes)
3201 # does the x86/amd64 assembler understand AVX2 instructions?
3202 # Note, this doesn't generate a C-level symbol. It generates a
3203 # automake-level symbol (BUILD_AVX2_TESTS), used in test Makefile.am's
3204 AC_MSG_CHECKING([if x86/amd64 assembler speaks AVX2])
3206 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3207 do { long long int x;
3208 __asm__ __volatile__(
3209 "vpsravd (%%rsp), %%ymm8, %%ymm7" : : : "xmm7", "xmm8" );
3210 __asm__ __volatile__(
3211 "vpaddb %%ymm6,%%ymm7,%%ymm8" : : : "xmm6","xmm7","xmm8"); }
3212 while (0)
3213 ]])], [
3214 ac_have_as_avx2=yes
3215 AC_MSG_RESULT([yes])
3216 ], [
3217 ac_have_as_avx2=no
3218 AC_MSG_RESULT([no])
3219 ])
3221 AM_CONDITIONAL(BUILD_AVX2_TESTS, test x$ac_have_as_avx2 = xyes)
3224 # does the x86/amd64 assembler understand TSX instructions and
3225 # the XACQUIRE/XRELEASE prefixes?
3226 # Note, this doesn't generate a C-level symbol. It generates a
3227 # automake-level symbol (BUILD_TSX_TESTS), used in test Makefile.am's
3228 AC_MSG_CHECKING([if x86/amd64 assembler speaks TSX])
3230 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3231 do {
3232 __asm__ __volatile__(
3233 " xbegin Lfoo \n\t"
3234 "Lfoo: xend \n\t"
3235 " xacquire lock incq 0(%rsp) \n\t"
3236 " xrelease lock incq 0(%rsp) \n"
3237 );
3238 } while (0)
3239 ]])], [
3240 ac_have_as_tsx=yes
3241 AC_MSG_RESULT([yes])
3242 ], [
3243 ac_have_as_tsx=no
3244 AC_MSG_RESULT([no])
3245 ])
3247 AM_CONDITIONAL(BUILD_TSX_TESTS, test x$ac_have_as_tsx = xyes)
3250 # does the x86/amd64 assembler understand BMI1 and BMI2 instructions?
3251 # Note, this doesn't generate a C-level symbol. It generates a
3252 # automake-level symbol (BUILD_BMI_TESTS), used in test Makefile.am's
3253 AC_MSG_CHECKING([if x86/amd64 assembler speaks BMI1 and BMI2])
3255 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3256 do { unsigned int h, l;
3257 __asm__ __volatile__( "mulx %rax,%rcx,%r8" );
3258 __asm__ __volatile__(
3259 "andn %2, %1, %0" : "=r" (h) : "r" (0x1234567), "r" (0x7654321) );
3260 __asm__ __volatile__(
3261 "movl %2, %%edx; mulx %3, %1, %0" : "=r" (h), "=r" (l) : "g" (0x1234567), "rm" (0x7654321) : "edx" ); }
3262 while (0)
3263 ]])], [
3264 ac_have_as_bmi=yes
3265 AC_MSG_RESULT([yes])
3266 ], [
3267 ac_have_as_bmi=no
3268 AC_MSG_RESULT([no])
3269 ])
3271 AM_CONDITIONAL(BUILD_BMI_TESTS, test x$ac_have_as_bmi = xyes)
3274 # does the x86/amd64 assembler understand FMA instructions?
3275 # Note, this doesn't generate a C-level symbol. It generates a
3276 # automake-level symbol (BUILD_FMA_TESTS), used in test Makefile.am's
3277 AC_MSG_CHECKING([if x86/amd64 assembler speaks FMA])
3279 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3280 do { unsigned int h, l;
3281 __asm__ __volatile__(
3282 "vfmadd132ps (%%rsp), %%ymm8, %%ymm7" : : : "xmm7", "xmm8" );
3283 __asm__ __volatile__(
3284 "vfnmsub231sd (%%rsp), %%xmm8, %%xmm7" : : : "xmm7", "xmm8" );
3285 __asm__ __volatile__(
3286 "vfmsubadd213pd (%%rsp), %%xmm8, %%xmm7" : : : "xmm7", "xmm8" ); }
3287 while (0)
3288 ]])], [
3289 ac_have_as_fma=yes
3290 AC_MSG_RESULT([yes])
3291 ], [
3292 ac_have_as_fma=no
3293 AC_MSG_RESULT([no])
3294 ])
3296 AM_CONDITIONAL(BUILD_FMA_TESTS, test x$ac_have_as_fma = xyes)
3299 # does the amd64 assembler understand MPX instructions?
3300 # Note, this doesn't generate a C-level symbol. It generates a
3301 # automake-level symbol (BUILD_MPX_TESTS), used in test Makefile.am's
3302 AC_MSG_CHECKING([if amd64 assembler knows the MPX instructions])
3304 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3305 do {
3306 asm ("bndmov %bnd0,(%rsp)");
3307 asm ("bndldx 3(%rbx,%rdx), %bnd2");
3308 asm ("bnd call foo\n"
3309 bnd jmp end\n"
3310 foo: bnd ret\n"
3311 end: nop");
3312 } while (0)
3313 ]])], [
3314 ac_have_as_mpx=yes
3315 AC_MSG_RESULT([yes])
3316 ], [
3317 ac_have_as_mpx=no
3318 AC_MSG_RESULT([no])
3319 ])
3321 AM_CONDITIONAL(BUILD_MPX_TESTS, test x$ac_have_as_mpx = xyes)
3324 # does the amd64 assembler understand ADX instructions?
3325 # Note, this doesn't generate a C-level symbol. It generates a
3326 # automake-level symbol (BUILD_ADX_TESTS), used in test Makefile.am's
3327 AC_MSG_CHECKING([if amd64 assembler knows the ADX instructions])
3329 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3330 do {
3331 asm ("adcxq %r14,%r8");
3332 } while (0)
3333 ]])], [
3334 ac_have_as_adx=yes
3335 AC_MSG_RESULT([yes])
3336 ], [
3337 ac_have_as_adx=no
3338 AC_MSG_RESULT([no])
3339 ])
3341 AM_CONDITIONAL(BUILD_ADX_TESTS, test x$ac_have_as_adx = xyes)
3344 # does the amd64 assembler understand the RDRAND instruction?
3345 # Note, this doesn't generate a C-level symbol. It generates a
3346 # automake-level symbol (BUILD_RDRAND_TESTS), used in test Makefile.am's
3347 AC_MSG_CHECKING([if amd64 assembler knows the RDRAND instruction])
3349 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3350 do {
3351 asm ("rdrand %r14");
3352 asm ("rdrand %r14d");
3353 asm ("rdrand %r14w");
3354 } while (0)
3355 ]])], [
3356 ac_have_as_rdrand=yes
3357 AC_MSG_RESULT([yes])
3358 ], [
3359 ac_have_as_rdrand=no
3360 AC_MSG_RESULT([no])
3361 ])
3363 AM_CONDITIONAL(BUILD_RDRAND_TESTS, test x$ac_have_as_rdrand = xyes)
3365 # does the amd64 assembler understand the RDSEED instruction?
3366 # Note, this doesn't generate a C-level symbol. It generates a
3367 # automake-level symbol (BUILD_RDSEED_TESTS), used in test Makefile.am's
3368 AC_MSG_CHECKING([if amd64 assembler knows the RDSEED instruction])
3370 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3371 do {
3372 asm ("rdseed %r14");
3373 asm ("rdseed %r14d");
3374 asm ("rdseed %r14w");
3375 } while (0)
3376 ]])], [
3377 ac_have_as_rdseed=yes
3378 AC_MSG_RESULT([yes])
3379 ], [
3380 ac_have_as_rdseed=no
3381 AC_MSG_RESULT([no])
3382 ])
3384 AM_CONDITIONAL(BUILD_RDSEED_TESTS, test x$ac_have_as_rdseed = xyes)
3386 # does the amd64 assembler understand the F16C instructions (VCVTPH2PS and
3387 # VCVTPS2PH) ?
3388 # Note, this doesn't generate a C-level symbol. It generates a
3389 # automake-level symbol (BUILD_F16C_TESTS), used in test Makefile.am's
3390 AC_MSG_CHECKING([if amd64 assembler knows the F16C instructions])
3392 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3393 do {
3394 asm ("vcvtph2ps %xmm5, %ymm10");
3395 // If we put the dollar sign and zero together, the shell processing
3396 // this configure.ac script substitutes the command name in. Sigh.
3397 asm ("vcvtps2ph $" "0, %ymm10, %xmm5");
3398 } while (0)
3399 ]])], [
3400 ac_have_as_f16c=yes
3401 AC_MSG_RESULT([yes])
3402 ], [
3403 ac_have_as_f16c=no
3404 AC_MSG_RESULT([no])
3405 ])
3407 AM_CONDITIONAL(BUILD_F16C_TESTS, test x$ac_have_as_f16c = xyes)
3410 # does the x86/amd64 assembler understand MOVBE?
3411 # Note, this doesn't generate a C-level symbol. It generates a
3412 # automake-level symbol (BUILD_MOVBE_TESTS), used in test Makefile.am's
3413 AC_MSG_CHECKING([if x86/amd64 assembler knows the MOVBE insn])
3415 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3416 do { long long int x;
3417 __asm__ __volatile__(
3418 "movbe (%%rsp), %%r15" : : : "memory", "r15" ); }
3419 while (0)
3420 ]])], [
3421 ac_have_as_movbe=yes
3422 AC_MSG_RESULT([yes])
3423 ], [
3424 ac_have_as_movbe=no
3425 AC_MSG_RESULT([no])
3426 ])
3428 AM_CONDITIONAL(BUILD_MOVBE_TESTS, test x$ac_have_as_movbe = xyes)
3431 # Does the C compiler support the "ifunc" attribute
3432 # Note, this doesn't generate a C-level symbol. It generates a
3433 # automake-level symbol (BUILD_IFUNC_TESTS), used in test Makefile.am's
3434 AC_MSG_CHECKING([if gcc supports the ifunc attribute])
3436 AC_LINK_IFELSE([AC_LANG_SOURCE([[
3437 static void mytest(void) {}
3439 static void (*resolve_test(void))(void)
3440 {
3441 return (void (*)(void))&mytest;
3442 }
3444 void test(void) __attribute__((ifunc("resolve_test")));
3446 int main()
3447 {
3448 test();
3449 return 0;
3450 }
3451 ]])], [
3452 ac_have_ifunc_attr=yes
3453 AC_MSG_RESULT([yes])
3454 ], [
3455 ac_have_ifunc_attr=no
3456 AC_MSG_RESULT([no])
3457 ])
3459 AM_CONDITIONAL(BUILD_IFUNC_TESTS, test x$ac_have_ifunc_attr = xyes)
3461 # Does the C compiler support the armv8 crc feature flag
3462 # Note, this doesn't generate a C-level symbol. It generates a
3463 # automake-level symbol (BUILD_ARMV8_CRC_TESTS), used in test Makefile.am's
3464 AC_MSG_CHECKING([if gcc supports the armv8 crc feature flag])
3466 save_CFLAGS="$CFLAGS"
3467 CFLAGS="$CFLAGS -march=armv8-a+crc -Werror"
3468 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
3469 int main()
3470 {
3471 return 0;
3472 }
3473 ]])], [
3474 ac_have_armv8_crc_feature=yes
3475 AC_MSG_RESULT([yes])
3476 ], [
3477 ac_have_armv8_crc_feature=no
3478 AC_MSG_RESULT([no])
3479 ])
3480 CFLAGS="$save_CFLAGS"
3482 AM_CONDITIONAL(BUILD_ARMV8_CRC_TESTS, test x$ac_have_armv8_crc_feature = xyes)
3485 # Does the C compiler support the armv81 flag and the assembler v8.1 instructions
3486 # Note, this doesn't generate a C-level symbol. It generates a
3487 # automake-level symbol (BUILD_ARMV81_TESTS), used in test Makefile.am's
3488 AC_MSG_CHECKING([if gcc supports the armv81 feature flag and assembler supports v8.1 instructions])
3490 save_CFLAGS="$CFLAGS"
3491 CFLAGS="$CFLAGS -march=armv8.1-a -Werror"
3492 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
3493 int main()
3494 {
3495 __asm__ __volatile__("ldadd x0, x1, [x2]" ::: "memory");
3496 return 0;
3497 }
3498 ]])], [
3499 ac_have_armv81_feature=yes
3500 AC_MSG_RESULT([yes])
3501 ], [
3502 ac_have_armv81_feature=no
3503 AC_MSG_RESULT([no])
3504 ])
3505 CFLAGS="$save_CFLAGS"
3507 AM_CONDITIONAL(BUILD_ARMV81_TESTS, test x$ac_have_armv81_feature = xyes)
3510 # Does the C compiler support the armv82 flag and the assembler v8.2 instructions
3511 # Note, this doesn't generate a C-level symbol. It generates a
3512 # automake-level symbol (BUILD_ARMV82_TESTS), used in test Makefile.am's
3513 AC_MSG_CHECKING([if gcc supports the armv82 feature flag and assembler supports v8.2 instructions])
3515 save_CFLAGS="$CFLAGS"
3516 CFLAGS="$CFLAGS -march=armv8.2-a+fp16 -Werror"
3517 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
3518 int main()
3519 {
3520 __asm__ __volatile__("faddp h0, v1.2h");
3521 return 0;
3522 }
3523 ]])], [
3524 ac_have_armv82_feature=yes
3525 AC_MSG_RESULT([yes])
3526 ], [
3527 ac_have_armv82_feature=no
3528 AC_MSG_RESULT([no])
3529 ])
3530 CFLAGS="$save_CFLAGS"
3532 AM_CONDITIONAL(BUILD_ARMV82_TESTS, test x$ac_have_armv82_feature = xyes)
3535 # XXX JRS 2010 Oct 13: what is this for? For sure, we don't need this
3536 # when building the tool executables. I think we should get rid of it.
3537 #
3538 # Check for TLS support in the compiler and linker
3539 AC_LINK_IFELSE([AC_LANG_PROGRAM([[static __thread int foo;]],
3540 [[return foo;]])],
3541 [vg_cv_linktime_tls=yes],
3542 [vg_cv_linktime_tls=no])
3543 # Native compilation: check whether running a program using TLS succeeds.
3544 # Linking only is not sufficient -- e.g. on Red Hat 7.3 linking TLS programs
3545 # succeeds but running programs using TLS fails.
3546 # Cross-compiling: check whether linking a program using TLS succeeds.
3547 AC_CACHE_CHECK([for TLS support], vg_cv_tls,
3548 [AC_ARG_ENABLE(tls, [ --enable-tls platform supports TLS],
3549 [vg_cv_tls=$enableval],
3550 [AC_RUN_IFELSE([AC_LANG_PROGRAM([[static __thread int foo;]],
3551 [[return foo;]])],
3552 [vg_cv_tls=yes],
3553 [vg_cv_tls=no],
3554 [vg_cv_tls=$vg_cv_linktime_tls])])])
3556 if test "$vg_cv_tls" = yes -a $is_clang != applellvm; then
3557 AC_DEFINE([HAVE_TLS], 1, [can use __thread to define thread-local variables])
3558 fi
3561 #----------------------------------------------------------------------------
3562 # Solaris-specific checks.
3563 #----------------------------------------------------------------------------
3565 if test "$VGCONF_OS" = "solaris" ; then
3566 AC_CHECK_HEADERS([sys/lgrp_user_impl.h])
3568 # Solaris-specific check determining if the Sun Studio Assembler is used to
3569 # build Valgrind. The test checks if the x86/amd64 assembler understands the
3570 # cmovl.l instruction, if yes then it's Sun Assembler.
3571 #
3572 # C-level symbol: none
3573 # Automake-level symbol: SOLARIS_SUN_STUDIO_AS
3574 #
3575 AC_MSG_CHECKING([if x86/amd64 assembler speaks cmovl.l (Solaris-specific)])
3576 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3577 ]], [[
3578 __asm__ __volatile__("cmovl.l %edx, %eax");
3579 ]])], [
3580 solaris_have_sun_studio_as=yes
3581 AC_MSG_RESULT([yes])
3582 ], [
3583 solaris_have_sun_studio_as=no
3584 AC_MSG_RESULT([no])
3585 ])
3586 AM_CONDITIONAL(SOLARIS_SUN_STUDIO_AS, test x$solaris_have_sun_studio_as = xyes)
3588 # Solaris-specific check determining if symbols __xpg4 and __xpg6
3589 # are present in linked shared libraries when gcc is invoked with -std=gnu99.
3590 # See solaris/vgpreload-solaris.mapfile for details.
3591 # gcc on older Solaris instructs linker to include these symbols,
3592 # gcc on illumos and newer Solaris does not.
3593 #
3594 # C-level symbol: none
3595 # Automake-level symbol: SOLARIS_XPG_SYMBOLS_PRESENT
3596 #
3597 save_CFLAGS="$CFLAGS"
3598 CFLAGS="$CFLAGS -std=gnu99"
3599 AC_MSG_CHECKING([if xpg symbols are present with -std=gnu99 (Solaris-specific)])
3600 temp_dir=$( /usr/bin/mktemp -d )
3601 cat <<_ACEOF >${temp_dir}/mylib.c
3602 #include <stdio.h>
3603 int myfunc(void) { printf("LaPutyka\n"); }
3604 _ACEOF
3605 ${CC} ${CFLAGS} -fpic -shared -o ${temp_dir}/mylib.so ${temp_dir}/mylib.c
3606 xpg_present=$( /usr/bin/nm ${temp_dir}/mylib.so | ${EGREP} '(__xpg4|__xpg6)' )
3607 if test "x${xpg_present}" = "x" ; then
3608 solaris_xpg_symbols_present=no
3609 AC_MSG_RESULT([no])
3610 else
3611 solaris_xpg_symbols_present=yes
3612 AC_MSG_RESULT([yes])
3613 fi
3614 rm -rf ${temp_dir}
3615 AM_CONDITIONAL(SOLARIS_XPG_SYMBOLS_PRESENT, test x$solaris_xpg_symbols_present = xyes)
3616 CFLAGS="$save_CFLAGS"
3619 # Solaris-specific check determining if gcc enables largefile support by
3620 # default for 32-bit executables. If it does, then set SOLARIS_UNDEF_LARGESOURCE
3621 # variable with gcc flags which disable it.
3622 #
3623 AC_MSG_CHECKING([if gcc enables largefile support for 32-bit apps (Solaris-specific)])
3624 save_CFLAGS="$CFLAGS"
3625 CFLAGS="$CFLAGS -m32"
3626 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3627 return _LARGEFILE_SOURCE;
3628 ]])], [
3629 SOLARIS_UNDEF_LARGESOURCE="-U_LARGEFILE_SOURCE -U_LARGEFILE64_SOURCE -U_FILE_OFFSET_BITS"
3630 AC_MSG_RESULT([yes])
3631 ], [
3632 SOLARIS_UNDEF_LARGESOURCE=""
3633 AC_MSG_RESULT([no])
3634 ])
3635 CFLAGS=$safe_CFLAGS
3636 AC_SUBST(SOLARIS_UNDEF_LARGESOURCE)
3639 # Solaris-specific check determining if /proc/self/cmdline
3640 # or /proc/<pid>/cmdline is supported.
3641 #
3642 # C-level symbol: SOLARIS_PROC_CMDLINE
3643 # Automake-level symbol: SOLARIS_PROC_CMDLINE
3644 #
3645 AC_CHECK_FILE([/proc/self/cmdline],
3646 [
3647 solaris_proc_cmdline=yes
3648 AC_DEFINE([SOLARIS_PROC_CMDLINE], 1,
3649 [Define to 1 if you have /proc/self/cmdline.])
3650 ], [
3651 solaris_proc_cmdline=no
3652 ])
3653 AM_CONDITIONAL(SOLARIS_PROC_CMDLINE, test x$solaris_proc_cmdline = xyes)
3656 # Solaris-specific check determining default platform for the Valgrind launcher.
3657 # Used in case the launcher cannot select platform by looking at the client
3658 # image (for example because the executable is a shell script).
3659 #
3660 # C-level symbol: SOLARIS_LAUNCHER_DEFAULT_PLATFORM
3661 # Automake-level symbol: none
3662 #
3663 AC_MSG_CHECKING([for default platform of Valgrind launcher (Solaris-specific)])
3664 # Get the ELF class of /bin/sh first.
3665 if ! test -f /bin/sh; then
3666 AC_MSG_ERROR([Shell interpreter `/bin/sh' not found.])
3667 fi
3668 elf_class=$( /usr/bin/file /bin/sh | sed -n 's/.*ELF \(..\)-bit.*/\1/p' )
3669 case "$elf_class" in
3670 64)
3671 default_arch="$VGCONF_ARCH_PRI";
3672 ;;
3673 32)
3674 if test "x$VGCONF_ARCH_SEC" != "x"; then
3675 default_arch="$VGCONF_ARCH_SEC"
3676 else
3677 default_arch="$VGCONF_ARCH_PRI";
3678 fi
3679 ;;
3680 *)
3681 AC_MSG_ERROR([Cannot determine ELF class of `/bin/sh'.])
3682 ;;
3683 esac
3684 default_platform="$default_arch-$VGCONF_OS"
3685 AC_MSG_RESULT([$default_platform])
3686 AC_DEFINE_UNQUOTED([SOLARIS_LAUNCHER_DEFAULT_PLATFORM], ["$default_platform"],
3687 [Default platform for Valgrind launcher.])
3690 # Solaris-specific check determining if the old syscalls are available.
3691 #
3692 # C-level symbol: SOLARIS_OLD_SYSCALLS
3693 # Automake-level symbol: SOLARIS_OLD_SYSCALLS
3694 #
3695 AC_MSG_CHECKING([for the old Solaris syscalls (Solaris-specific)])
3696 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3697 #include <sys/syscall.h>
3698 ]], [[
3699 return !SYS_open;
3700 ]])], [
3701 solaris_old_syscalls=yes
3702 AC_MSG_RESULT([yes])
3703 AC_DEFINE([SOLARIS_OLD_SYSCALLS], 1,
3704 [Define to 1 if you have the old Solaris syscalls.])
3705 ], [
3706 solaris_old_syscalls=no
3707 AC_MSG_RESULT([no])
3708 ])
3709 AM_CONDITIONAL(SOLARIS_OLD_SYSCALLS, test x$solaris_old_syscalls = xyes)
3712 # Solaris-specific check determining if the new accept() syscall is available.
3713 #
3714 # Old syscall:
3715 # int accept(int sock, struct sockaddr *name, socklen_t *namelenp,
3716 # int version);
3717 #
3718 # New syscall (available on illumos):
3719 # int accept(int sock, struct sockaddr *name, socklen_t *namelenp,
3720 # int version, int flags);
3721 #
3722 # If the old syscall is present then the following syscall will fail with
3723 # ENOTSOCK (because file descriptor 0 is not a socket), if the new syscall is
3724 # available then it will fail with EINVAL (because the flags parameter is
3725 # invalid).
3726 #
3727 # C-level symbol: SOLARIS_NEW_ACCEPT_SYSCALL
3728 # Automake-level symbol: none
3729 #
3730 AC_MSG_CHECKING([for the new `accept' syscall (Solaris-specific)])
3731 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
3732 #include <sys/syscall.h>
3733 #include <errno.h>
3734 ]], [[
3735 errno = 0;
3736 syscall(SYS_accept, 0, 0, 0, 0, -1);
3737 return !(errno == EINVAL);
3738 ]])], [
3739 AC_MSG_RESULT([yes])
3740 AC_DEFINE([SOLARIS_NEW_ACCEPT_SYSCALL], 1,
3741 [Define to 1 if you have the new `accept' syscall.])
3742 ], [
3743 AC_MSG_RESULT([no])
3744 ])
3747 # Solaris-specific check determining if the new illumos pipe() syscall is
3748 # available.
3749 #
3750 # Old syscall:
3751 # longlong_t pipe();
3752 #
3753 # New syscall (available on illumos):
3754 # int pipe(intptr_t arg, int flags);
3755 #
3756 # If the old syscall is present then the following call will succeed, if the
3757 # new syscall is available then it will fail with EFAULT (because address 0
3758 # cannot be accessed).
3759 #
3760 # C-level symbol: SOLARIS_NEW_PIPE_SYSCALL
3761 # Automake-level symbol: none
3762 #
3763 AC_MSG_CHECKING([for the new `pipe' syscall (Solaris-specific)])
3764 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
3765 #include <sys/syscall.h>
3766 #include <errno.h>
3767 ]], [[
3768 errno = 0;
3769 syscall(SYS_pipe, 0, 0);
3770 return !(errno == EFAULT);
3771 ]])], [
3772 AC_MSG_RESULT([yes])
3773 AC_DEFINE([SOLARIS_NEW_PIPE_SYSCALL], 1,
3774 [Define to 1 if you have the new `pipe' syscall.])
3775 ], [
3776 AC_MSG_RESULT([no])
3777 ])
3780 # Solaris-specific check determining if the new lwp_sigqueue() syscall is
3781 # available.
3782 #
3783 # Old syscall:
3784 # int lwp_kill(id_t lwpid, int sig);
3785 #
3786 # New syscall (available on Solaris 11):
3787 # int lwp_sigqueue(id_t lwpid, int sig, void *value,
3788 # int si_code, timespec_t *timeout);
3789 #
3790 # C-level symbol: SOLARIS_LWP_SIGQUEUE_SYSCALL
3791 # Automake-level symbol: SOLARIS_LWP_SIGQUEUE_SYSCALL
3792 #
3793 AC_MSG_CHECKING([for the new `lwp_sigqueue' syscall (Solaris-specific)])
3794 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3795 #include <sys/syscall.h>
3796 ]], [[
3797 return !SYS_lwp_sigqueue;
3798 ]])], [
3799 solaris_lwp_sigqueue_syscall=yes
3800 AC_MSG_RESULT([yes])
3801 AC_DEFINE([SOLARIS_LWP_SIGQUEUE_SYSCALL], 1,
3802 [Define to 1 if you have the new `lwp_sigqueue' syscall.])
3803 ], [
3804 solaris_lwp_sigqueue_syscall=no
3805 AC_MSG_RESULT([no])
3806 ])
3807 AM_CONDITIONAL(SOLARIS_LWP_SIGQUEUE_SYSCALL, test x$solaris_lwp_sigqueue_syscall = xyes)
3810 # Solaris-specific check determining if the lwp_sigqueue() syscall
3811 # takes both pid and thread id arguments or just thread id.
3812 #
3813 # Old syscall (available up to Solaris 11.3):
3814 # int lwp_sigqueue(id_t lwpid, int sig, void *value,
3815 # int si_code, timespec_t *timeout);
3816 #
3817 # New syscall (available since Solaris 11.4):
3818 # int lwp_sigqueue(pid_t pid, id_t lwpid, int sig, void *value,
3819 # int si_code, timespec_t *timeout);
3820 #
3821 # If the old syscall is present then the following syscall will fail with
3822 # EINVAL (because signal is out of range); if the new syscall is available
3823 # then it will fail with ESRCH (because it would not find such thread in the
3824 # current process).
3825 #
3826 # C-level symbol: SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID
3827 # Automake-level symbol: SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID
3828 #
3829 AM_COND_IF(SOLARIS_LWP_SIGQUEUE_SYSCALL,
3830 AC_MSG_CHECKING([if the `lwp_sigqueue' syscall accepts pid (Solaris-specific)])
3831 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
3832 #include <sys/syscall.h>
3833 #include <errno.h>
3834 ]], [[
3835 errno = 0;
3836 syscall(SYS_lwp_sigqueue, 0, 101, 0, 0, 0, 0);
3837 return !(errno == ESRCH);
3838 ]])], [
3839 solaris_lwp_sigqueue_syscall_takes_pid=yes
3840 AC_MSG_RESULT([yes])
3841 AC_DEFINE([SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID], 1,
3842 [Define to 1 if you have the new `lwp_sigqueue' syscall which accepts pid.])
3843 ], [
3844 solaris_lwp_sigqueue_syscall_takes_pid=no
3845 AC_MSG_RESULT([no])
3846 ])
3847 AM_CONDITIONAL(SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID,
3848 test x$solaris_lwp_sigqueue_syscall_takes_pid = xyes)
3849 ,
3850 AM_CONDITIONAL(SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID, test x = y)
3851 )
3854 # Solaris-specific check determining if the new lwp_name() syscall is
3855 # available.
3856 #
3857 # New syscall (available on Solaris 11):
3858 # int lwp_name(int opcode, id_t lwpid, char *name, size_t len);
3859 #
3860 # C-level symbol: SOLARIS_LWP_NAME_SYSCALL
3861 # Automake-level symbol: SOLARIS_LWP_NAME_SYSCALL
3862 #
3863 AC_MSG_CHECKING([for the new `lwp_name' syscall (Solaris-specific)])
3864 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3865 #include <sys/syscall.h>
3866 ]], [[
3867 return !SYS_lwp_name;
3868 ]])], [
3869 solaris_lwp_name_syscall=yes
3870 AC_MSG_RESULT([yes])
3871 AC_DEFINE([SOLARIS_LWP_NAME_SYSCALL], 1,
3872 [Define to 1 if you have the new `lwp_name' syscall.])
3873 ], [
3874 solaris_lwp_name_syscall=no
3875 AC_MSG_RESULT([no])
3876 ])
3877 AM_CONDITIONAL(SOLARIS_LWP_NAME_SYSCALL, test x$solaris_lwp_name_syscall = xyes)
3880 # Solaris-specific check determining if the new getrandom() syscall is
3881 # available.
3882 #
3883 # New syscall (available on Solaris 11):
3884 # int getrandom(void *buf, size_t buflen, uint_t flags);
3885 #
3886 # C-level symbol: SOLARIS_GETRANDOM_SYSCALL
3887 # Automake-level symbol: SOLARIS_GETRANDOM_SYSCALL
3888 #
3889 AC_MSG_CHECKING([for the new `getrandom' syscall (Solaris-specific)])
3890 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3891 #include <sys/syscall.h>
3892 ]], [[
3893 return !SYS_getrandom;
3894 ]])], [
3895 solaris_getrandom_syscall=yes
3896 AC_MSG_RESULT([yes])
3897 AC_DEFINE([SOLARIS_GETRANDOM_SYSCALL], 1,
3898 [Define to 1 if you have the new `getrandom' syscall.])
3899 ], [
3900 solaris_getrandom_syscall=no
3901 AC_MSG_RESULT([no])
3902 ])
3903 AM_CONDITIONAL(SOLARIS_GETRANDOM_SYSCALL, test x$solaris_getrandom_syscall = xyes)
3906 # Solaris-specific check determining if the new zone() syscall subcodes
3907 # ZONE_LIST_DEFUNCT and ZONE_GETATTR_DEFUNCT are available. These subcodes
3908 # were added in Solaris 11 but are missing on illumos.
3909 #
3910 # C-level symbol: SOLARIS_ZONE_DEFUNCT
3911 # Automake-level symbol: SOLARIS_ZONE_DEFUNCT
3912 #
3913 AC_MSG_CHECKING([for ZONE_LIST_DEFUNCT and ZONE_GETATTR_DEFUNCT (Solaris-specific)])
3914 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3915 #include <sys/zone.h>
3916 ]], [[
3917 return !(ZONE_LIST_DEFUNCT && ZONE_GETATTR_DEFUNCT);
3918 ]])], [
3919 solaris_zone_defunct=yes
3920 AC_MSG_RESULT([yes])
3921 AC_DEFINE([SOLARIS_ZONE_DEFUNCT], 1,
3922 [Define to 1 if you have the `ZONE_LIST_DEFUNCT' and `ZONE_GETATTR_DEFUNC' constants.])
3923 ], [
3924 solaris_zone_defunct=no
3925 AC_MSG_RESULT([no])
3926 ])
3927 AM_CONDITIONAL(SOLARIS_ZONE_DEFUNCT, test x$solaris_zone_defunct = xyes)
3930 # Solaris-specific check determining if commands A_GETSTAT and A_SETSTAT
3931 # for auditon(2) subcode of the auditsys() syscall are available.
3932 # These commands are available in Solaris 11 and illumos but were removed
3933 # in Solaris 11.4.
3934 #
3935 # C-level symbol: SOLARIS_AUDITON_STAT
3936 # Automake-level symbol: SOLARIS_AUDITON_STAT
3937 #
3938 AC_MSG_CHECKING([for A_GETSTAT and A_SETSTAT auditon(2) commands (Solaris-specific)])
3939 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3940 #include <bsm/audit.h>
3941 ]], [[
3942 return !(A_GETSTAT && A_SETSTAT);
3943 ]])], [
3944 solaris_auditon_stat=yes
3945 AC_MSG_RESULT([yes])
3946 AC_DEFINE([SOLARIS_AUDITON_STAT], 1,
3947 [Define to 1 if you have the `A_GETSTAT' and `A_SETSTAT' constants.])
3948 ], [
3949 solaris_auditon_stat=no
3950 AC_MSG_RESULT([no])
3951 ])
3952 AM_CONDITIONAL(SOLARIS_AUDITON_STAT, test x$solaris_auditon_stat = xyes)
3955 # Solaris-specific check determining if the new shmsys() syscall subcodes
3956 # IPC_XSTAT64, SHMADV, SHM_ADV_GET, SHM_ADV_SET and SHMGET_OSM are available.
3957 # These subcodes were added in Solaris 11 but are missing on illumos.
3958 #
3959 # C-level symbol: SOLARIS_SHM_NEW
3960 # Automake-level symbol: SOLARIS_SHM_NEW
3961 #
3962 AC_MSG_CHECKING([for SHMADV, SHM_ADV_GET, SHM_ADV_SET and SHMGET_OSM (Solaris-specific)])
3963 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3964 #include <sys/ipc_impl.h>
3965 #include <sys/shm.h>
3966 #include <sys/shm_impl.h>
3967 ]], [[
3968 return !(IPC_XSTAT64 && SHMADV && SHM_ADV_GET && SHM_ADV_SET && SHMGET_OSM);
3969 ]])], [
3970 solaris_shm_new=yes
3971 AC_MSG_RESULT([yes])
3972 AC_DEFINE([SOLARIS_SHM_NEW], 1,
3973 [Define to 1 if you have the `IPC_XSTAT64', `SHMADV', `SHM_ADV_GET', `SHM_ADV_SET' and `SHMGET_OSM' constants.])
3974 ], [
3975 solaris_shm_new=no
3976 AC_MSG_RESULT([no])
3977 ])
3978 AM_CONDITIONAL(SOLARIS_SHM_NEW, test x$solaris_shm_new = xyes)
3981 # Solaris-specific check determining if prxregset_t is available. Illumos
3982 # currently does not define it on the x86 platform.
3983 #
3984 # C-level symbol: SOLARIS_PRXREGSET_T
3985 # Automake-level symbol: SOLARIS_PRXREGSET_T
3986 #
3987 AC_MSG_CHECKING([for the `prxregset_t' type (Solaris-specific)])
3988 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3989 #include <sys/procfs_isa.h>
3990 ]], [[
3991 return !sizeof(prxregset_t);
3992 ]])], [
3993 solaris_prxregset_t=yes
3994 AC_MSG_RESULT([yes])
3995 AC_DEFINE([SOLARIS_PRXREGSET_T], 1,
3996 [Define to 1 if you have the `prxregset_t' type.])
3997 ], [
3998 solaris_prxregset_t=no
3999 AC_MSG_RESULT([no])
4000 ])
4001 AM_CONDITIONAL(SOLARIS_PRXREGSET_T, test x$solaris_prxregset_t = xyes)
4004 # Solaris-specific check determining if the new frealpathat() syscall is
4005 # available.
4006 #
4007 # New syscall (available on Solaris 11.1):
4008 # int frealpathat(int fd, char *path, char *buf, size_t buflen);
4009 #
4010 # C-level symbol: SOLARIS_FREALPATHAT_SYSCALL
4011 # Automake-level symbol: SOLARIS_FREALPATHAT_SYSCALL
4012 #
4013 AC_MSG_CHECKING([for the new `frealpathat' syscall (Solaris-specific)])
4014 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4015 #include <sys/syscall.h>
4016 ]], [[
4017 return !SYS_frealpathat;
4018 ]])], [
4019 solaris_frealpathat_syscall=yes
4020 AC_MSG_RESULT([yes])
4021 AC_DEFINE([SOLARIS_FREALPATHAT_SYSCALL], 1,
4022 [Define to 1 if you have the new `frealpathat' syscall.])
4023 ], [
4024 solaris_frealpathat_syscall=no
4025 AC_MSG_RESULT([no])
4026 ])
4027 AM_CONDITIONAL(SOLARIS_FREALPATHAT_SYSCALL, test x$solaris_frealpathat_syscall = xyes)
4030 # Solaris-specific check determining if the new uuidsys() syscall is
4031 # available.
4032 #
4033 # New syscall (available on newer Solaris):
4034 # int uuidsys(struct uuid *uuid);
4035 #
4036 # C-level symbol: SOLARIS_UUIDSYS_SYSCALL
4037 # Automake-level symbol: SOLARIS_UUIDSYS_SYSCALL
4038 #
4039 AC_MSG_CHECKING([for the new `uuidsys' syscall (Solaris-specific)])
4040 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4041 #include <sys/syscall.h>
4042 ]], [[
4043 return !SYS_uuidsys;
4044 ]])], [
4045 solaris_uuidsys_syscall=yes
4046 AC_MSG_RESULT([yes])
4047 AC_DEFINE([SOLARIS_UUIDSYS_SYSCALL], 1,
4048 [Define to 1 if you have the new `uuidsys' syscall.])
4049 ], [
4050 solaris_uuidsys_syscall=no
4051 AC_MSG_RESULT([no])
4052 ])
4053 AM_CONDITIONAL(SOLARIS_UUIDSYS_SYSCALL, test x$solaris_uuidsys_syscall = xyes)
4056 # Solaris-specific check determining if the new labelsys() syscall subcode
4057 # TNDB_GET_TNIP is available. This subcode was added in Solaris 11 but is
4058 # missing on illumos.
4059 #
4060 # C-level symbol: SOLARIS_TNDB_GET_TNIP
4061 # Automake-level symbol: SOLARIS_TNDB_GET_TNIP
4062 #
4063 AC_MSG_CHECKING([for TNDB_GET_TNIP (Solaris-specific)])
4064 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4065 #include <sys/tsol/tndb.h>
4066 ]], [[
4067 return !TNDB_GET_TNIP;
4068 ]])], [
4069 solaris_tndb_get_tnip=yes
4070 AC_MSG_RESULT([yes])
4071 AC_DEFINE([SOLARIS_TNDB_GET_TNIP], 1,
4072 [Define to 1 if you have the `TNDB_GET_TNIP' constant.])
4073 ], [
4074 solaris_tndb_get_tnip=no
4075 AC_MSG_RESULT([no])
4076 ])
4077 AM_CONDITIONAL(SOLARIS_TNDB_GET_TNIP, test x$solaris_tndb_get_tnip = xyes)
4080 # Solaris-specific check determining if the new labelsys() syscall opcodes
4081 # TSOL_GETCLEARANCE and TSOL_SETCLEARANCE are available. These opcodes were
4082 # added in Solaris 11 but are missing on illumos.
4083 #
4084 # C-level symbol: SOLARIS_TSOL_CLEARANCE
4085 # Automake-level symbol: SOLARIS_TSOL_CLEARANCE
4086 #
4087 AC_MSG_CHECKING([for TSOL_GETCLEARANCE and TSOL_SETCLEARANCE (Solaris-specific)])
4088 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4089 #include <sys/tsol/tsyscall.h>
4090 ]], [[
4091 return !(TSOL_GETCLEARANCE && TSOL_SETCLEARANCE);
4092 ]])], [
4093 solaris_tsol_clearance=yes
4094 AC_MSG_RESULT([yes])
4095 AC_DEFINE([SOLARIS_TSOL_CLEARANCE], 1,
4096 [Define to 1 if you have the `TSOL_GETCLEARANCE' and `TSOL_SETCLEARANCE' constants.])
4097 ], [
4098 solaris_tsol_clearance=no
4099 AC_MSG_RESULT([no])
4100 ])
4101 AM_CONDITIONAL(SOLARIS_TSOL_CLEARANCE, test x$solaris_tsol_clearance = xyes)
4104 # Solaris-specific check determining if the new pset() syscall subcode
4105 # PSET_GET_NAME is available. This subcode was added in Solaris 11.4 but
4106 # is missing on illumos and Solaris 11.3.
4107 #
4108 # C-level symbol: SOLARIS_PSET_GET_NAME
4109 # Automake-level symbol: SOLARIS_PSET_GET_NAME
4110 #
4111 AC_MSG_CHECKING([for PSET_GET_NAME (Solaris-specific)])
4112 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4113 #include <sys/pset.h>
4114 ]], [[
4115 return !(PSET_GET_NAME);
4116 ]])], [
4117 solaris_pset_get_name=yes
4118 AC_MSG_RESULT([yes])
4119 AC_DEFINE([SOLARIS_PSET_GET_NAME], 1,
4120 [Define to 1 if you have the `PSET_GET_NAME' constants.])
4121 ], [
4122 solaris_pset_get_name=no
4123 AC_MSG_RESULT([no])
4124 ])
4125 AM_CONDITIONAL(SOLARIS_PSET_GET_NAME, test x$solaris_pset_get_name = xyes)
4128 # Solaris-specific check determining if the utimesys() syscall is
4129 # available (on illumos and older Solaris).
4130 #
4131 # C-level symbol: SOLARIS_UTIMESYS_SYSCALL
4132 # Automake-level symbol: SOLARIS_UTIMESYS_SYSCALL
4133 #
4134 AC_MSG_CHECKING([for the `utimesys' syscall (Solaris-specific)])
4135 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4136 #include <sys/syscall.h>
4137 ]], [[
4138 return !SYS_utimesys;
4139 ]])], [
4140 solaris_utimesys_syscall=yes
4141 AC_MSG_RESULT([yes])
4142 AC_DEFINE([SOLARIS_UTIMESYS_SYSCALL], 1,
4143 [Define to 1 if you have the `utimesys' syscall.])
4144 ], [
4145 solaris_utimesys_syscall=no
4146 AC_MSG_RESULT([no])
4147 ])
4148 AM_CONDITIONAL(SOLARIS_UTIMESYS_SYSCALL, test x$solaris_utimesys_syscall = xyes)
4151 # Solaris-specific check determining if the utimensat() syscall is
4152 # available (on newer Solaris).
4153 #
4154 # C-level symbol: SOLARIS_UTIMENSAT_SYSCALL
4155 # Automake-level symbol: SOLARIS_UTIMENSAT_SYSCALL
4156 #
4157 AC_MSG_CHECKING([for the `utimensat' syscall (Solaris-specific)])
4158 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4159 #include <sys/syscall.h>
4160 ]], [[
4161 return !SYS_utimensat;
4162 ]])], [
4163 solaris_utimensat_syscall=yes
4164 AC_MSG_RESULT([yes])
4165 AC_DEFINE([SOLARIS_UTIMENSAT_SYSCALL], 1,
4166 [Define to 1 if you have the `utimensat' syscall.])
4167 ], [
4168 solaris_utimensat_syscall=no
4169 AC_MSG_RESULT([no])
4170 ])
4171 AM_CONDITIONAL(SOLARIS_UTIMENSAT_SYSCALL, test x$solaris_utimensat_syscall = xyes)
4174 # Solaris-specific check determining if the spawn() syscall is available
4175 # (on newer Solaris).
4176 #
4177 # C-level symbol: SOLARIS_SPAWN_SYSCALL
4178 # Automake-level symbol: SOLARIS_SPAWN_SYSCALL
4179 #
4180 AC_MSG_CHECKING([for the `spawn' syscall (Solaris-specific)])
4181 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4182 #include <sys/syscall.h>
4183 ]], [[
4184 return !SYS_spawn;
4185 ]])], [
4186 solaris_spawn_syscall=yes
4187 AC_MSG_RESULT([yes])
4188 AC_DEFINE([SOLARIS_SPAWN_SYSCALL], 1,
4189 [Define to 1 if you have the `spawn' syscall.])
4190 ], [
4191 solaris_spawn_syscall=no
4192 AC_MSG_RESULT([no])
4193 ])
4194 AM_CONDITIONAL(SOLARIS_SPAWN_SYSCALL, test x$solaris_spawn_syscall = xyes)
4197 # Solaris-specific check determining if commands MODNVL_CTRLMAP through
4198 # MODDEVINFO_CACHE_TS for modctl() syscall are available (on newer Solaris).
4199 #
4200 # C-level symbol: SOLARIS_MODCTL_MODNVL
4201 # Automake-level symbol: SOLARIS_MODCTL_MODNVL
4202 #
4203 AC_MSG_CHECKING([for MODNVL_CTRLMAP through MODDEVINFO_CACHE_TS modctl(2) commands (Solaris-specific)])
4204 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4205 #include <sys/modctl.h>
4206 ]], [[
4207 return !(MODNVL_CTRLMAP && MODDEVINFO_CACHE_TS);
4208 ]])], [
4209 solaris_modctl_modnvl=yes
4210 AC_MSG_RESULT([yes])
4211 AC_DEFINE([SOLARIS_MODCTL_MODNVL], 1,
4212 [Define to 1 if you have the `MODNVL_CTRLMAP' through `MODDEVINFO_CACHE_TS' constants.])
4213 ], [
4214 solaris_modctl_modnvl=no
4215 AC_MSG_RESULT([no])
4216 ])
4217 AM_CONDITIONAL(SOLARIS_MODCTL_MODNVL, test x$solaris_modctl_modnvl = xyes)
4220 # Solaris-specific check determining whether nscd (name switch cache daemon)
4221 # attaches its door at /system/volatile/name_service_door (Solaris)
4222 # or at /var/run/name_service_door (illumos).
4223 #
4224 # Note that /var/run is a symlink to /system/volatile on Solaris
4225 # but not vice versa on illumos.
4226 #
4227 # C-level symbol: SOLARIS_NSCD_DOOR_SYSTEM_VOLATILE
4228 # Automake-level symbol: SOLARIS_NSCD_DOOR_SYSTEM_VOLATILE
4229 #
4230 AC_MSG_CHECKING([for nscd door location (Solaris-specific)])
4231 if test -e /system/volatile/name_service_door; then
4232 solaris_nscd_door_system_volatile=yes
4233 AC_MSG_RESULT([/system/volatile/name_service_door])
4234 AC_DEFINE([SOLARIS_NSCD_DOOR_SYSTEM_VOLATILE], 1,
4235 [Define to 1 if nscd attaches to /system/volatile/name_service_door.])
4236 else
4237 solaris_nscd_door_system_volatile=no
4238 AC_MSG_RESULT([/var/run/name_service_door])
4239 fi
4240 AM_CONDITIONAL(SOLARIS_NSCD_DOOR_SYSTEM_VOLATILE, test x$solaris_nscd_door_system_volatile = xyes)
4243 # Solaris-specific check determining if the new gethrt() fasttrap is available.
4244 #
4245 # New fasttrap (available on Solaris 11):
4246 # hrt_t *gethrt(void);
4247 #
4248 # C-level symbol: SOLARIS_GETHRT_FASTTRAP
4249 # Automake-level symbol: SOLARIS_GETHRT_FASTTRAP
4250 #
4251 AC_MSG_CHECKING([for the new `gethrt' fasttrap (Solaris-specific)])
4252 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4253 #include <sys/trap.h>
4254 ]], [[
4255 return !T_GETHRT;
4256 ]])], [
4257 solaris_gethrt_fasttrap=yes
4258 AC_MSG_RESULT([yes])
4259 AC_DEFINE([SOLARIS_GETHRT_FASTTRAP], 1,
4260 [Define to 1 if you have the new `gethrt' fasttrap.])
4261 ], [
4262 solaris_gethrt_fasttrap=no
4263 AC_MSG_RESULT([no])
4264 ])
4265 AM_CONDITIONAL(SOLARIS_GETHRT_FASTTRAP, test x$solaris_gethrt_fasttrap = xyes)
4268 # Solaris-specific check determining if the new get_zone_offset() fasttrap
4269 # is available.
4270 #
4271 # New fasttrap (available on Solaris 11):
4272 # zonehrtoffset_t *get_zone_offset(void);
4273 #
4274 # C-level symbol: SOLARIS_GETZONEOFFSET_FASTTRAP
4275 # Automake-level symbol: SOLARIS_GETZONEOFFSET_FASTTRAP
4276 #
4277 AC_MSG_CHECKING([for the new `get_zone_offset' fasttrap (Solaris-specific)])
4278 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4279 #include <sys/trap.h>
4280 ]], [[
4281 return !T_GETZONEOFFSET;
4282 ]])], [
4283 solaris_getzoneoffset_fasttrap=yes
4284 AC_MSG_RESULT([yes])
4285 AC_DEFINE([SOLARIS_GETZONEOFFSET_FASTTRAP], 1,
4286 [Define to 1 if you have the new `get_zone_offset' fasttrap.])
4287 ], [
4288 solaris_getzoneoffset_fasttrap=no
4289 AC_MSG_RESULT([no])
4290 ])
4291 AM_CONDITIONAL(SOLARIS_GETZONEOFFSET_FASTTRAP, test x$solaris_getzoneoffset_fasttrap = xyes)
4294 # Solaris-specific check determining if the execve() syscall
4295 # takes fourth argument (flags) or not.
4296 #
4297 # Old syscall (available on illumos):
4298 # int execve(const char *fname, const char **argv, const char **envp);
4299 #
4300 # New syscall (available on Solaris):
4301 # int execve(uintptr_t file, const char **argv, const char **envp, int flags);
4302 #
4303 # If the new syscall is present then it will fail with EINVAL (because flags
4304 # are invalid); if the old syscall is available then it will fail with ENOENT
4305 # (because the file could not be found).
4306 #
4307 # C-level symbol: SOLARIS_EXECVE_SYSCALL_TAKES_FLAGS
4308 # Automake-level symbol: SOLARIS_EXECVE_SYSCALL_TAKES_FLAGS
4309 #
4310 AC_MSG_CHECKING([if the `execve' syscall accepts flags (Solaris-specific)])
4311 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
4312 #include <sys/syscall.h>
4313 #include <errno.h>
4314 ]], [[
4315 errno = 0;
4316 syscall(SYS_execve, "/no/existing/path", 0, 0, 0xdeadbeef, 0, 0);
4317 return !(errno == EINVAL);
4318 ]])], [
4319 solaris_execve_syscall_takes_flags=yes
4320 AC_MSG_RESULT([yes])
4321 AC_DEFINE([SOLARIS_EXECVE_SYSCALL_TAKES_FLAGS], 1,
4322 [Define to 1 if you have the new `execve' syscall which accepts flags.])
4323 ], [
4324 solaris_execve_syscall_takes_flags=no
4325 AC_MSG_RESULT([no])
4326 ])
4327 AM_CONDITIONAL(SOLARIS_EXECVE_SYSCALL_TAKES_FLAGS,
4328 test x$solaris_execve_syscall_takes_flags = xyes)
4331 # Solaris-specific check determining version of the repository cache protocol.
4332 # Every Solaris version uses a different one, ranging from 21 to current 25.
4333 # The check is very ugly, though.
4334 #
4335 # C-level symbol: SOLARIS_REPCACHE_PROTOCOL_VERSION vv
4336 # Automake-level symbol: none
4337 #
4338 AC_PATH_PROG(DIS_PATH, dis, false)
4339 if test "x$DIS_PATH" = "xfalse"; then
4340 AC_MSG_FAILURE([Object code disassembler (`dis') not found.])
4341 fi
4342 AC_CHECK_LIB(scf, scf_handle_bind, [], [
4343 AC_MSG_WARN([Function `scf_handle_bind' was not found in `libscf'.])
4344 AC_MSG_ERROR([Cannot determine version of the repository cache protocol.])
4345 ])
4347 AC_MSG_CHECKING([for version of the repository cache protocol (Solaris-specific)])
4348 if test "X$VGCONF_ARCH_PRI" = "Xamd64"; then
4349 libscf=/usr/lib/64/libscf.so.1
4350 else
4351 libscf=/usr/lib/libscf.so.1
4352 fi
4353 if ! $DIS_PATH -F scf_handle_bind $libscf | grep -q 0x526570; then
4354 AC_MSG_WARN([Function `scf_handle_bind' does not contain repository cache protocol version.])
4355 AC_MSG_ERROR([Cannot determine version of the repository cache protocol.])
4356 fi
4357 hex=$( $DIS_PATH -F scf_handle_bind $libscf | sed -n 's/.*0x526570\(..\).*/\1/p' )
4358 if test -z "$hex"; then
4359 AC_MSG_WARN([Version of the repository cache protocol is empty?!])
4360 AC_MSG_ERROR([Cannot determine version of the repository cache protocol.])
4361 fi
4362 version=$( printf "%d\n" 0x$hex )
4363 AC_MSG_RESULT([$version])
4364 AC_DEFINE_UNQUOTED([SOLARIS_REPCACHE_PROTOCOL_VERSION], [$version],
4365 [Version number of the repository door cache protocol.])
4368 # Solaris-specific check determining if "sysstat" segment reservation type
4369 # is available.
4370 #
4371 # New "sysstat" segment reservation (available on Solaris 11.4):
4372 # - program header type: PT_SUNW_SYSSTAT
4373 # - auxiliary vector entry: AT_SUN_SYSSTAT_ADDR
4374 #
4375 # C-level symbol: SOLARIS_RESERVE_SYSSTAT_ADDR
4376 # Automake-level symbol: SOLARIS_RESERVE_SYSSTAT_ADDR
4377 #
4378 AC_MSG_CHECKING([for the new `sysstat' segment reservation (Solaris-specific)])
4379 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4380 #include <sys/auxv.h>
4381 ]], [[
4382 return !AT_SUN_SYSSTAT_ADDR;
4383 ]])], [
4384 solaris_reserve_sysstat_addr=yes
4385 AC_MSG_RESULT([yes])
4386 AC_DEFINE([SOLARIS_RESERVE_SYSSTAT_ADDR], 1,
4387 [Define to 1 if you have the new `sysstat' segment reservation.])
4388 ], [
4389 solaris_reserve_sysstat_addr=no
4390 AC_MSG_RESULT([no])
4391 ])
4392 AM_CONDITIONAL(SOLARIS_RESERVE_SYSSTAT_ADDR, test x$solaris_reserve_sysstat_addr = xyes)
4395 # Solaris-specific check determining if "sysstat_zone" segment reservation type
4396 # is available.
4397 #
4398 # New "sysstat_zone" segment reservation (available on Solaris 11.4):
4399 # - program header type: PT_SUNW_SYSSTAT_ZONE
4400 # - auxiliary vector entry: AT_SUN_SYSSTAT_ZONE_ADDR
4401 #
4402 # C-level symbol: SOLARIS_RESERVE_SYSSTAT_ZONE_ADDR
4403 # Automake-level symbol: SOLARIS_RESERVE_SYSSTAT_ZONE_ADDR
4404 #
4405 AC_MSG_CHECKING([for the new `sysstat_zone' segment reservation (Solaris-specific)])
4406 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4407 #include <sys/auxv.h>
4408 ]], [[
4409 return !AT_SUN_SYSSTAT_ZONE_ADDR;
4410 ]])], [
4411 solaris_reserve_sysstat_zone_addr=yes
4412 AC_MSG_RESULT([yes])
4413 AC_DEFINE([SOLARIS_RESERVE_SYSSTAT_ZONE_ADDR], 1,
4414 [Define to 1 if you have the new `sysstat_zone' segment reservation.])
4415 ], [
4416 solaris_reserve_sysstat_zone_addr=no
4417 AC_MSG_RESULT([no])
4418 ])
4419 AM_CONDITIONAL(SOLARIS_RESERVE_SYSSTAT_ZONE_ADDR, test x$solaris_reserve_sysstat_zone_addr = xyes)
4422 # Solaris-specific check determining if the system_stats() syscall is available
4423 # (on newer Solaris).
4424 #
4425 # C-level symbol: SOLARIS_SYSTEM_STATS_SYSCALL
4426 # Automake-level symbol: SOLARIS_SYSTEM_STATS_SYSCALL
4427 #
4428 AC_MSG_CHECKING([for the `system_stats' syscall (Solaris-specific)])
4429 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4430 #include <sys/syscall.h>
4431 ]], [[
4432 return !SYS_system_stats;
4433 ]])], [
4434 solaris_system_stats_syscall=yes
4435 AC_MSG_RESULT([yes])
4436 AC_DEFINE([SOLARIS_SYSTEM_STATS_SYSCALL], 1,
4437 [Define to 1 if you have the `system_stats' syscall.])
4438 ], [
4439 solaris_system_stats_syscall=no
4440 AC_MSG_RESULT([no])
4441 ])
4442 AM_CONDITIONAL(SOLARIS_SYSTEM_STATS_SYSCALL, test x$solaris_system_stats_syscall = xyes)
4445 # Solaris-specific check determining if fpregset_t defines struct _fpchip_state
4446 # (on newer illumos) or struct fpchip_state (Solaris, older illumos).
4447 #
4448 # C-level symbol: SOLARIS_FPCHIP_STATE_TAKES_UNDERSCORE
4449 # Automake-level symbol: none
4450 #
4451 AC_CHECK_TYPE([struct _fpchip_state],
4452 [solaris_fpchip_state_takes_underscore=yes],
4453 [solaris_fpchip_state_takes_underscore=no],
4454 [[#include <sys/regset.h>]])
4455 if test "$solaris_fpchip_state_takes_underscore" = "yes"; then
4456 AC_DEFINE(SOLARIS_FPCHIP_STATE_TAKES_UNDERSCORE, 1,
4457 [Define to 1 if fpregset_t defines struct _fpchip_state])
4458 fi
4461 # Solaris-specific check determining if schedctl page shared between kernel
4462 # and userspace program is executable (illumos, older Solaris) or not (newer
4463 # Solaris).
4464 #
4465 # C-level symbol: SOLARIS_SCHEDCTL_PAGE_EXEC
4466 # Automake-level symbol: none
4467 #
4468 AC_MSG_CHECKING([if schedctl page is executable (Solaris-specific)])
4469 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
4470 #include <assert.h>
4471 #include <fcntl.h>
4472 #include <procfs.h>
4473 #include <schedctl.h>
4474 #include <stdio.h>
4475 #include <unistd.h>
4476 ]], [[
4477 schedctl_t *scp = schedctl_init();
4478 if (scp == NULL)
4479 return 1;
4481 int fd = open("/proc/self/map", O_RDONLY);
4482 assert(fd >= 0);
4484 prmap_t map;
4485 ssize_t rd;
4486 while ((rd = read(fd, &map, sizeof(map))) == sizeof(map)) {
4487 if (map.pr_vaddr == ((uintptr_t) scp & PAGEMASK)) {
4488 fprintf(stderr, "%#lx [%zu] %s\n", map.pr_vaddr, map.pr_size,
4489 (map.pr_mflags & MA_EXEC) ? "x" : "no-x");
4490 return (map.pr_mflags & MA_EXEC);
4491 }
4492 }
4494 return 1;
4495 ]])], [
4496 solaris_schedctl_page_exec=no
4497 AC_MSG_RESULT([no])
4498 ], [
4499 solaris_schedctl_page_exec=yes
4500 AC_MSG_RESULT([yes])
4501 AC_DEFINE([SOLARIS_SCHEDCTL_PAGE_EXEC], 1,
4502 [Define to 1 if you have the schedctl page executable.])
4503 ])
4506 # Solaris-specific check determining if PT_SUNWDTRACE program header provides
4507 # scratch space for DTrace fasttrap provider (illumos, older Solaris) or just
4508 # an initial thread pointer for libc (newer Solaris).
4509 #
4510 # C-level symbol: SOLARIS_PT_SUNDWTRACE_THRP
4511 # Automake-level symbol: none
4512 #
4513 AC_MSG_CHECKING([if PT_SUNWDTRACE serves for initial thread pointer (Solaris-specific)])
4514 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
4515 #include <sys/fasttrap_isa.h>
4516 ]], [[
4517 return !FT_SCRATCHSIZE;
4518 ]])], [
4519 solaris_pt_sunwdtrace_thrp=yes
4520 AC_MSG_RESULT([yes])
4521 AC_DEFINE([SOLARIS_PT_SUNDWTRACE_THRP], 1,
4522 [Define to 1 if PT_SUNWDTRACE program header provides just an initial thread pointer for libc.])
4523 ], [
4524 solaris_pt_sunwdtrace_thrp=no
4525 AC_MSG_RESULT([no])
4526 ])
4528 else
4529 AM_CONDITIONAL(SOLARIS_SUN_STUDIO_AS, false)
4530 AM_CONDITIONAL(SOLARIS_XPG_SYMBOLS_PRESENT, false)
4531 AM_CONDITIONAL(SOLARIS_PROC_CMDLINE, false)
4532 AM_CONDITIONAL(SOLARIS_OLD_SYSCALLS, false)
4533 AM_CONDITIONAL(SOLARIS_LWP_SIGQUEUE_SYSCALL, false)
4534 AM_CONDITIONAL(SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID, false)
4535 AM_CONDITIONAL(SOLARIS_LWP_NAME_SYSCALL, false)
4536 AM_CONDITIONAL(SOLARIS_GETRANDOM_SYSCALL, false)
4537 AM_CONDITIONAL(SOLARIS_ZONE_DEFUNCT, false)
4538 AM_CONDITIONAL(SOLARIS_AUDITON_STAT, false)
4539 AM_CONDITIONAL(SOLARIS_SHM_NEW, false)
4540 AM_CONDITIONAL(SOLARIS_PRXREGSET_T, false)
4541 AM_CONDITIONAL(SOLARIS_FREALPATHAT_SYSCALL, false)
4542 AM_CONDITIONAL(SOLARIS_UUIDSYS_SYSCALL, false)
4543 AM_CONDITIONAL(SOLARIS_TNDB_GET_TNIP, false)
4544 AM_CONDITIONAL(SOLARIS_TSOL_CLEARANCE, false)
4545 AM_CONDITIONAL(SOLARIS_PSET_GET_NAME, false)
4546 AM_CONDITIONAL(SOLARIS_UTIMESYS_SYSCALL, false)
4547 AM_CONDITIONAL(SOLARIS_UTIMENSAT_SYSCALL, false)
4548 AM_CONDITIONAL(SOLARIS_SPAWN_SYSCALL, false)
4549 AM_CONDITIONAL(SOLARIS_MODCTL_MODNVL, false)
4550 AM_CONDITIONAL(SOLARIS_NSCD_DOOR_SYSTEM_VOLATILE, false)
4551 AM_CONDITIONAL(SOLARIS_GETHRT_FASTTRAP, false)
4552 AM_CONDITIONAL(SOLARIS_GETZONEOFFSET_FASTTRAP, false)
4553 AM_CONDITIONAL(SOLARIS_EXECVE_SYSCALL_TAKES_FLAGS, false)
4554 AM_CONDITIONAL(SOLARIS_RESERVE_SYSSTAT_ADDR, false)
4555 AM_CONDITIONAL(SOLARIS_RESERVE_SYSSTAT_ZONE_ADDR, false)
4556 AM_CONDITIONAL(SOLARIS_SYSTEM_STATS_SYSCALL, false)
4557 fi # test "$VGCONF_OS" = "solaris"
4560 #----------------------------------------------------------------------------
4561 # Checks for C header files.
4562 #----------------------------------------------------------------------------
4564 AC_CHECK_HEADERS([ \
4565 asm/unistd.h \
4566 endian.h \
4567 mqueue.h \
4568 sys/endian.h \
4569 sys/epoll.h \
4570 sys/eventfd.h \
4571 sys/klog.h \
4572 sys/poll.h \
4573 sys/prctl.h \
4574 sys/signal.h \
4575 sys/signalfd.h \
4576 sys/syscall.h \
4577 sys/sysnvl.h \
4578 sys/time.h \
4579 sys/types.h \
4580 ])
4582 # Verify whether the <linux/futex.h> header is usable.
4583 AC_MSG_CHECKING([if <linux/futex.h> is usable])
4585 save_CFLAGS="$CFLAGS"
4586 CFLAGS="$CFLAGS -D__user="
4587 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4588 #include <linux/futex.h>
4589 ]], [[
4590 return FUTEX_WAIT;
4591 ]])], [
4592 ac_have_usable_linux_futex_h=yes
4593 AC_DEFINE([HAVE_USABLE_LINUX_FUTEX_H], 1,
4594 [Define to 1 if you have a usable <linux/futex.h> header file.])
4595 AC_MSG_RESULT([yes])
4596 ], [
4597 ac_have_usable_linux_futex_h=no
4598 AC_MSG_RESULT([no])
4599 ])
4600 CFLAGS="$save_CFLAGS"
4603 #----------------------------------------------------------------------------
4604 # Checks for typedefs, structures, and compiler characteristics.
4605 #----------------------------------------------------------------------------
4606 AC_TYPE_UID_T
4607 AC_TYPE_OFF_T
4608 AC_TYPE_SIZE_T
4609 AC_HEADER_TIME
4611 AC_CHECK_TYPE([struct statx], [
4612 AC_DEFINE([HAVE_STRUCT_STATX_IN_SYS_STAT_H], 1,
4613 [Define to 1 if <sys/stat.h> declares struct statx.])
4614 ], [], [
4615 #define _GNU_SOURCE
4616 #include <sys/stat.h>
4617 ])
4620 #----------------------------------------------------------------------------
4621 # Checks for library functions.
4622 #----------------------------------------------------------------------------
4623 AC_FUNC_MEMCMP
4624 AC_FUNC_MMAP
4626 AC_CHECK_LIB([pthread], [pthread_create])
4627 AC_CHECK_LIB([rt], [clock_gettime])
4629 AC_CHECK_FUNCS([ \
4630 clock_gettime\
4631 copy_file_range \
4632 epoll_create \
4633 epoll_pwait \
4634 klogctl \
4635 mallinfo \
4636 memchr \
4637 memfd_create \
4638 memset \
4639 mkdir \
4640 mremap \
4641 ppoll \
4642 preadv \
4643 preadv2 \
4644 process_vm_readv \
4645 process_vm_writev \
4646 pthread_barrier_init \
4647 pthread_condattr_setclock \
4648 pthread_mutex_timedlock \
4649 pthread_rwlock_timedrdlock \
4650 pthread_rwlock_timedwrlock \
4651 pthread_setname_np \
4652 pthread_spin_lock \
4653 pthread_yield \
4654 pwritev \
4655 pwritev2 \
4656 rawmemchr \
4657 readlinkat \
4658 semtimedop \
4659 setcontext \
4660 signalfd \
4661 sigwaitinfo \
4662 strchr \
4663 strdup \
4664 strpbrk \
4665 strrchr \
4666 strstr \
4667 swapcontext \
4668 syscall \
4669 utimensat \
4670 ])
4672 # AC_CHECK_LIB adds any library found to the variable LIBS, and links these
4673 # libraries with any shared object and/or executable. This is NOT what we
4674 # want for e.g. vgpreload_core-x86-linux.so
4675 LIBS=""
4677 AM_CONDITIONAL([HAVE_PTHREAD_BARRIER],
4678 [test x$ac_cv_func_pthread_barrier_init = xyes])
4679 AM_CONDITIONAL([HAVE_PTHREAD_MUTEX_TIMEDLOCK],
4680 [test x$ac_cv_func_pthread_mutex_timedlock = xyes])
4681 AM_CONDITIONAL([HAVE_PTHREAD_SPINLOCK],
4682 [test x$ac_cv_func_pthread_spin_lock = xyes])
4683 AM_CONDITIONAL([HAVE_PTHREAD_SETNAME_NP],
4684 [test x$ac_cv_func_pthread_setname_np = xyes])
4685 AM_CONDITIONAL([HAVE_COPY_FILE_RANGE],
4686 [test x$ac_cv_func_copy_file_range = xyes])
4687 AM_CONDITIONAL([HAVE_PREADV_PWRITEV],
4688 [test x$ac_cv_func_preadv = xyes && test x$ac_cv_func_pwritev = xyes])
4689 AM_CONDITIONAL([HAVE_PREADV2_PWRITEV2],
4690 [test x$ac_cv_func_preadv2 = xyes && test x$ac_cv_func_pwritev2 = xyes])
4691 AM_CONDITIONAL([HAVE_SETCONTEXT], [test x$ac_cv_func_setcontext = xyes])
4692 AM_CONDITIONAL([HAVE_SWAPCONTEXT], [test x$ac_cv_func_swapcontext = xyes])
4693 AM_CONDITIONAL([HAVE_MEMFD_CREATE],
4694 [test x$ac_cv_func_memfd_create = xyes])
4696 if test x$VGCONF_PLATFORM_PRI_CAPS = xMIPS32_LINUX \
4697 -o x$VGCONF_PLATFORM_PRI_CAPS = xMIPS64_LINUX \
4698 -o x$VGCONF_PLATFORM_PRI_CAPS = xNANOMIPS_LINUX; then
4699 AC_DEFINE([DISABLE_PTHREAD_SPINLOCK_INTERCEPT], 1,
4700 [Disable intercept pthread_spin_lock() on MIPS32, MIPS64 and nanoMIPS.])
4701 fi
4703 #----------------------------------------------------------------------------
4704 # MPI checks
4705 #----------------------------------------------------------------------------
4706 # Do we have a useable MPI setup on the primary and/or secondary targets?
4707 # On Linux, by default, assumes mpicc and -m32/-m64
4708 # Note: this is a kludge in that it assumes the specified mpicc
4709 # understands -m32/-m64 regardless of what is specified using
4710 # --with-mpicc=.
4711 AC_PATH_PROG([MPI_CC], [mpicc], [mpicc],
4712 [$PATH:/usr/lib/openmpi/bin:/usr/lib64/openmpi/bin])
4714 mflag_primary=
4715 if test x$VGCONF_PLATFORM_PRI_CAPS = xX86_LINUX \
4716 -o x$VGCONF_PLATFORM_PRI_CAPS = xX86_FREEBSD \
4717 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC32_LINUX \
4718 -o x$VGCONF_PLATFORM_PRI_CAPS = xARM_LINUX \
4719 -o x$VGCONF_PLATFORM_PRI_CAPS = xMIPS32_LINUX \
4720 -o x$VGCONF_PLATFORM_PRI_CAPS = xNANOMIPS_LINUX \
4721 -o x$VGCONF_PLATFORM_PRI_CAPS = xX86_SOLARIS ; then
4722 mflag_primary=$FLAG_M32
4723 elif test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_LINUX \
4724 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_FREEBSD \
4725 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC64_LINUX \
4726 -o x$VGCONF_PLATFORM_PRI_CAPS = xARM64_LINUX \
4727 -o x$VGCONF_PLATFORM_PRI_CAPS = xMIPS64_LINUX \
4728 -o x$VGCONF_PLATFORM_PRI_CAPS = xS390X_LINUX ; then
4729 mflag_primary=$FLAG_M64
4730 elif test x$VGCONF_PLATFORM_PRI_CAPS = xX86_DARWIN ; then
4731 mflag_primary="$FLAG_M32 -arch i386"
4732 elif test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_DARWIN ; then
4733 mflag_primary="$FLAG_M64 -arch x86_64"
4734 fi
4736 mflag_secondary=
4737 if test x$VGCONF_PLATFORM_SEC_CAPS = xX86_LINUX \
4738 -o x$VGCONF_PLATFORM_SEC_CAPS = xPPC32_LINUX \
4739 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_SOLARIS \
4740 -o x$VGCONF_PLATFORM_SEC_CAPS = xMIPS32_LINUX \
4741 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_FREEBSD ; then
4742 mflag_secondary=$FLAG_M32
4743 elif test x$VGCONF_PLATFORM_SEC_CAPS = xX86_DARWIN ; then
4744 mflag_secondary="$FLAG_M32 -arch i386"
4745 fi
4748 AC_ARG_WITH(mpicc,
4749 [ --with-mpicc= Specify name of MPI2-ised C compiler],
4750 MPI_CC=$withval
4751 )
4752 AC_SUBST(MPI_CC)
4754 ## We AM_COND_IF here instead of automake "if" in mpi/Makefile.am so that we can
4755 ## use these values in the check for a functioning mpicc.
4756 ##
4757 ## We leave the MPI_FLAG_M3264_ logic in mpi/Makefile.am and assume that
4758 ## mflag_primary/mflag_secondary are sufficient approximations of that behavior
4759 AM_COND_IF([VGCONF_OS_IS_LINUX],
4760 [CFLAGS_MPI="-g -O -fno-omit-frame-pointer -Wall -fpic"
4761 LDFLAGS_MPI="-fpic -shared"])
4762 AM_COND_IF([VGCONF_OS_IS_FREEBSD],
4763 [CFLAGS_MPI="-g -O -fno-omit-frame-pointer -Wall -fpic"
4764 LDFLAGS_MPI="-fpic -shared"])
4765 AM_COND_IF([VGCONF_OS_IS_DARWIN],
4766 [CFLAGS_MPI="-g -O -fno-omit-frame-pointer -Wall -dynamic"
4767 LDFLAGS_MPI="-dynamic -dynamiclib -all_load"])
4768 AM_COND_IF([VGCONF_OS_IS_SOLARIS],
4769 [CFLAGS_MPI="-g -O -fno-omit-frame-pointer -Wall -fpic"
4770 LDFLAGS_MPI="-fpic -shared"])
4772 AC_SUBST([CFLAGS_MPI])
4773 AC_SUBST([LDFLAGS_MPI])
4776 ## See if MPI_CC works for the primary target
4777 ##
4778 AC_MSG_CHECKING([primary target for usable MPI2-compliant C compiler and mpi.h])
4779 saved_CC=$CC
4780 saved_CFLAGS=$CFLAGS
4781 CC=$MPI_CC
4782 CFLAGS="$CFLAGS_MPI $mflag_primary"
4783 saved_LDFLAGS="$LDFLAGS"
4784 LDFLAGS="$LDFLAGS_MPI $mflag_primary"
4785 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
4786 #include <mpi.h>
4787 #include <stdio.h>
4788 ]], [[
4789 int ni, na, nd, comb;
4790 int r = MPI_Init(NULL,NULL);
4791 r |= MPI_Type_get_envelope( MPI_INT, &ni, &na, &nd, &comb );
4792 r |= MPI_Finalize();
4793 return r;
4794 ]])], [
4795 ac_have_mpi2_pri=yes
4796 AC_MSG_RESULT([yes, $MPI_CC])
4797 ], [
4798 ac_have_mpi2_pri=no
4799 AC_MSG_RESULT([no])
4800 ])
4801 CC=$saved_CC
4802 CFLAGS=$saved_CFLAGS
4803 LDFLAGS="$saved_LDFLAGS"
4804 AM_CONDITIONAL(BUILD_MPIWRAP_PRI, test x$ac_have_mpi2_pri = xyes)
4806 ## See if MPI_CC works for the secondary target. Complication: what if
4807 ## there is no secondary target? We need this to then fail.
4808 ## Kludge this by making MPI_CC something which will surely fail in
4809 ## such a case.
4810 ##
4811 AC_MSG_CHECKING([secondary target for usable MPI2-compliant C compiler and mpi.h])
4812 saved_CC=$CC
4813 saved_CFLAGS=$CFLAGS
4814 saved_LDFLAGS="$LDFLAGS"
4815 LDFLAGS="$LDFLAGS_MPI $mflag_secondary"
4816 if test x$VGCONF_PLATFORM_SEC_CAPS = x ; then
4817 CC="$MPI_CC this will surely fail"
4818 else
4819 CC=$MPI_CC
4820 fi
4821 CFLAGS="$CFLAGS_MPI $mflag_secondary"
4822 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
4823 #include <mpi.h>
4824 #include <stdio.h>
4825 ]], [[
4826 int ni, na, nd, comb;
4827 int r = MPI_Init(NULL,NULL);
4828 r |= MPI_Type_get_envelope( MPI_INT, &ni, &na, &nd, &comb );
4829 r |= MPI_Finalize();
4830 return r;
4831 ]])], [
4832 ac_have_mpi2_sec=yes
4833 AC_MSG_RESULT([yes, $MPI_CC])
4834 ], [
4835 ac_have_mpi2_sec=no
4836 AC_MSG_RESULT([no])
4837 ])
4838 CC=$saved_CC
4839 CFLAGS=$saved_CFLAGS
4840 LDFLAGS="$saved_LDFLAGS"
4841 AM_CONDITIONAL(BUILD_MPIWRAP_SEC, test x$ac_have_mpi2_sec = xyes)
4844 #----------------------------------------------------------------------------
4845 # Other library checks
4846 #----------------------------------------------------------------------------
4847 # There now follow some tests for Boost, and OpenMP. These
4848 # tests are present because Drd has some regression tests that use
4849 # these packages. All regression test programs all compiled only
4850 # for the primary target. And so it is important that the configure
4851 # checks that follow, use the correct -m32 or -m64 flag for the
4852 # primary target (called $mflag_primary). Otherwise, we can end up
4853 # in a situation (eg) where, on amd64-linux, the test for Boost checks
4854 # for usable 64-bit Boost facilities, but because we are doing a 32-bit
4855 # only build (meaning, the primary target is x86-linux), the build
4856 # of the regtest programs that use Boost fails, because they are
4857 # build as 32-bit (IN THIS EXAMPLE).
4858 #
4859 # Hence: ALWAYS USE $mflag_primary FOR CONFIGURE TESTS FOR FACILITIES
4860 # NEEDED BY THE REGRESSION TEST PROGRAMS.
4863 # Check whether the boost library 1.35 or later has been installed.
4864 # The Boost.Threads library has undergone a major rewrite in version 1.35.0.
4866 AC_MSG_CHECKING([for boost])
4868 AC_LANG(C++)
4869 safe_CXXFLAGS=$CXXFLAGS
4870 CXXFLAGS="$mflag_primary"
4871 safe_LIBS="$LIBS"
4872 LIBS="-lboost_thread-mt -lboost_system-mt $LIBS"
4874 AC_LINK_IFELSE([AC_LANG_SOURCE([
4875 #include <boost/thread.hpp>
4876 static void thread_func(void)
4877 { }
4878 int main(int argc, char** argv)
4879 {
4880 boost::thread t(thread_func);
4881 return 0;
4882 }
4883 ])],
4884 [
4885 ac_have_boost_1_35=yes
4886 AC_SUBST([BOOST_CFLAGS], [])
4887 AC_SUBST([BOOST_LIBS], ["-lboost_thread-mt -lboost_system-mt"])
4888 AC_MSG_RESULT([yes])
4889 ], [
4890 ac_have_boost_1_35=no
4891 AC_MSG_RESULT([no])
4892 ])
4894 LIBS="$safe_LIBS"
4895 CXXFLAGS=$safe_CXXFLAGS
4896 AC_LANG(C)
4898 AM_CONDITIONAL([HAVE_BOOST_1_35], [test x$ac_have_boost_1_35 = xyes])
4901 # does this compiler support -fopenmp, does it have the include file
4902 # <omp.h> and does it have libgomp ?
4904 AC_MSG_CHECKING([for OpenMP])
4906 safe_CFLAGS=$CFLAGS
4907 CFLAGS="-fopenmp $mflag_primary -Werror"
4909 AC_LINK_IFELSE([AC_LANG_SOURCE([
4910 #include <omp.h>
4911 int main(int argc, char** argv)
4912 {
4913 omp_set_dynamic(0);
4914 return 0;
4915 }
4916 ])],
4917 [
4918 ac_have_openmp=yes
4919 AC_MSG_RESULT([yes])
4920 ], [
4921 ac_have_openmp=no
4922 AC_MSG_RESULT([no])
4923 ])
4924 CFLAGS=$safe_CFLAGS
4926 AM_CONDITIONAL([HAVE_OPENMP], [test x$ac_have_openmp = xyes])
4929 # Check for __builtin_popcount
4930 AC_MSG_CHECKING([for __builtin_popcount()])
4931 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
4932 ]], [[
4933 __builtin_popcount(2);
4934 return 0;
4935 ]])], [
4936 AC_MSG_RESULT([yes])
4937 AC_DEFINE([HAVE_BUILTIN_POPCOUT], 1,
4938 [Define to 1 if compiler provides __builtin_popcount().])
4939 ], [
4940 AC_MSG_RESULT([no])
4941 ])
4943 # Check for __builtin_clz
4944 AC_MSG_CHECKING([for __builtin_clz()])
4945 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
4946 ]], [[
4947 __builtin_clz(2);
4948 return 0;
4949 ]])], [
4950 AC_MSG_RESULT([yes])
4951 AC_DEFINE([HAVE_BUILTIN_CLZ], 1,
4952 [Define to 1 if compiler provides __builtin_clz().])
4953 ], [
4954 AC_MSG_RESULT([no])
4955 ])
4957 # Check for __builtin_ctz
4958 AC_MSG_CHECKING([for __builtin_ctz()])
4959 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
4960 ]], [[
4961 __builtin_ctz(2);
4962 return 0;
4963 ]])], [
4964 AC_MSG_RESULT([yes])
4965 AC_DEFINE([HAVE_BUILTIN_CTZ], 1,
4966 [Define to 1 if compiler provides __builtin_ctz().])
4967 ], [
4968 AC_MSG_RESULT([no])
4969 ])
4971 # does this compiler have built-in functions for atomic memory access for the
4972 # primary target ?
4973 AC_MSG_CHECKING([if gcc supports __sync_add_and_fetch for the primary target])
4975 safe_CFLAGS=$CFLAGS
4976 CFLAGS="$mflag_primary"
4978 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
4979 int variable = 1;
4980 return (__sync_bool_compare_and_swap(&variable, 1, 2)
4981 && __sync_add_and_fetch(&variable, 1) ? 1 : 0)
4982 ]])], [
4983 ac_have_builtin_atomic_primary=yes
4984 AC_MSG_RESULT([yes])
4985 AC_DEFINE(HAVE_BUILTIN_ATOMIC, 1, [Define to 1 if gcc supports __sync_bool_compare_and_swap() and __sync_add_and_fetch() for the primary target])
4986 ], [
4987 ac_have_builtin_atomic_primary=no
4988 AC_MSG_RESULT([no])
4989 ])
4991 CFLAGS=$safe_CFLAGS
4993 AM_CONDITIONAL([HAVE_BUILTIN_ATOMIC],
4994 [test x$ac_have_builtin_atomic_primary = xyes])
4997 # does this compiler have built-in functions for atomic memory access for the
4998 # secondary target ?
5000 if test x$VGCONF_PLATFORM_SEC_CAPS != x; then
5002 AC_MSG_CHECKING([if gcc supports __sync_add_and_fetch for the secondary target])
5004 safe_CFLAGS=$CFLAGS
5005 CFLAGS="$mflag_secondary"
5007 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
5008 int variable = 1;
5009 return (__sync_add_and_fetch(&variable, 1) ? 1 : 0)
5010 ]])], [
5011 ac_have_builtin_atomic_secondary=yes
5012 AC_MSG_RESULT([yes])
5013 ], [
5014 ac_have_builtin_atomic_secondary=no
5015 AC_MSG_RESULT([no])
5016 ])
5018 CFLAGS=$safe_CFLAGS
5020 fi
5022 AM_CONDITIONAL([HAVE_BUILTIN_ATOMIC_SECONDARY],
5023 [test x$ac_have_builtin_atomic_secondary = xyes])
5025 # does this compiler have built-in functions for atomic memory access on
5026 # 64-bit integers for all targets ?
5028 AC_MSG_CHECKING([if gcc supports __sync_add_and_fetch on uint64_t for all targets])
5030 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
5031 #include <stdint.h>
5032 ]], [[
5033 uint64_t variable = 1;
5034 return __sync_add_and_fetch(&variable, 1)
5035 ]])], [
5036 ac_have_builtin_atomic64_primary=yes
5037 ], [
5038 ac_have_builtin_atomic64_primary=no
5039 ])
5041 if test x$VGCONF_PLATFORM_SEC_CAPS != x; then
5043 safe_CFLAGS=$CFLAGS
5044 CFLAGS="$mflag_secondary"
5046 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
5047 #include <stdint.h>
5048 ]], [[
5049 uint64_t variable = 1;
5050 return __sync_add_and_fetch(&variable, 1)
5051 ]])], [
5052 ac_have_builtin_atomic64_secondary=yes
5053 ], [
5054 ac_have_builtin_atomic64_secondary=no
5055 ])
5057 CFLAGS=$safe_CFLAGS
5059 fi
5061 if test x$ac_have_builtin_atomic64_primary = xyes && \
5062 test x$VGCONF_PLATFORM_SEC_CAPS = x \
5063 -o x$ac_have_builtin_atomic64_secondary = xyes; then
5064 AC_MSG_RESULT([yes])
5065 ac_have_builtin_atomic64=yes
5066 else
5067 AC_MSG_RESULT([no])
5068 ac_have_builtin_atomic64=no
5069 fi
5071 AM_CONDITIONAL([HAVE_BUILTIN_ATOMIC64],
5072 [test x$ac_have_builtin_atomic64 = xyes])
5075 # does g++ have built-in functions for atomic memory access ?
5076 AC_MSG_CHECKING([if g++ supports __sync_add_and_fetch])
5078 safe_CXXFLAGS=$CXXFLAGS
5079 CXXFLAGS="$mflag_primary"
5081 AC_LANG_PUSH(C++)
5082 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
5083 int variable = 1;
5084 return (__sync_bool_compare_and_swap(&variable, 1, 2)
5085 && __sync_add_and_fetch(&variable, 1) ? 1 : 0)
5086 ]])], [
5087 ac_have_builtin_atomic_cxx=yes
5088 AC_MSG_RESULT([yes])
5089 AC_DEFINE(HAVE_BUILTIN_ATOMIC_CXX, 1, [Define to 1 if g++ supports __sync_bool_compare_and_swap() and __sync_add_and_fetch()])
5090 ], [
5091 ac_have_builtin_atomic_cxx=no
5092 AC_MSG_RESULT([no])
5093 ])
5094 AC_LANG_POP(C++)
5096 CXXFLAGS=$safe_CXXFLAGS
5098 AM_CONDITIONAL([HAVE_BUILTIN_ATOMIC_CXX], [test x$ac_have_builtin_atomic_cxx = xyes])
5101 if test x$ac_have_usable_linux_futex_h = xyes \
5102 -a x$ac_have_builtin_atomic_primary = xyes; then
5103 ac_enable_linux_ticket_lock_primary=yes
5104 fi
5105 AM_CONDITIONAL([ENABLE_LINUX_TICKET_LOCK_PRIMARY],
5106 [test x$ac_enable_linux_ticket_lock_primary = xyes])
5108 if test x$VGCONF_PLATFORM_SEC_CAPS != x \
5109 -a x$ac_have_usable_linux_futex_h = xyes \
5110 -a x$ac_have_builtin_atomic_secondary = xyes; then
5111 ac_enable_linux_ticket_lock_secondary=yes
5112 fi
5113 AM_CONDITIONAL([ENABLE_LINUX_TICKET_LOCK_SECONDARY],
5114 [test x$ac_enable_linux_ticket_lock_secondary = xyes])
5117 # does libstdc++ support annotating shared pointers ?
5118 AC_MSG_CHECKING([if libstdc++ supports annotating shared pointers])
5120 safe_CXXFLAGS=$CXXFLAGS
5121 CXXFLAGS="-std=c++0x"
5123 AC_LANG_PUSH(C++)
5124 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
5125 #include <memory>
5126 ]], [[
5127 std::shared_ptr<int> p
5128 ]])], [
5129 ac_have_shared_ptr=yes
5130 ], [
5131 ac_have_shared_ptr=no
5132 ])
5133 if test x$ac_have_shared_ptr = xyes; then
5134 # If compilation of the program below fails because of a syntax error
5135 # triggered by substituting one of the annotation macros then that
5136 # means that libstdc++ supports these macros.
5137 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
5138 #define _GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(a) (a)----
5139 #define _GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(a) (a)----
5140 #include <memory>
5141 ]], [[
5142 std::shared_ptr<int> p
5143 ]])], [
5144 ac_have_shared_pointer_annotation=no
5145 AC_MSG_RESULT([no])
5146 ], [
5147 ac_have_shared_pointer_annotation=yes
5148 AC_MSG_RESULT([yes])
5149 AC_DEFINE(HAVE_SHARED_POINTER_ANNOTATION, 1,
5150 [Define to 1 if libstd++ supports annotating shared pointers])
5151 ])
5152 else
5153 ac_have_shared_pointer_annotation=no
5154 AC_MSG_RESULT([no])
5155 fi
5156 AC_LANG_POP(C++)
5158 CXXFLAGS=$safe_CXXFLAGS
5160 AM_CONDITIONAL([HAVE_SHARED_POINTER_ANNOTATION],
5161 [test x$ac_have_shared_pointer_annotation = xyes])
5164 #----------------------------------------------------------------------------
5165 # Ok. We're done checking.
5166 #----------------------------------------------------------------------------
5168 # Nb: VEX/Makefile is generated from Makefile.vex.in.
5169 AC_CONFIG_FILES([
5170 Makefile
5171 VEX/Makefile:Makefile.vex.in
5172 valgrind.spec
5173 valgrind.pc
5174 glibc-2.X.supp
5175 glibc-2.X-helgrind.supp
5176 glibc-2.X-drd.supp
5177 include/valgrind.h
5178 docs/Makefile
5179 docs/xml/vg-entities.xml
5180 tests/Makefile
5181 tests/vg_regtest
5182 perf/Makefile
5183 perf/vg_perf
5184 gdbserver_tests/Makefile
5185 gdbserver_tests/solaris/Makefile
5186 include/Makefile
5187 auxprogs/Makefile
5188 mpi/Makefile
5189 coregrind/Makefile
5190 memcheck/Makefile
5191 memcheck/tests/Makefile
5192 memcheck/tests/common/Makefile
5193 memcheck/tests/amd64/Makefile
5194 memcheck/tests/x86/Makefile
5195 memcheck/tests/linux/Makefile
5196 memcheck/tests/linux/debuginfod-check.vgtest
5197 memcheck/tests/darwin/Makefile
5198 memcheck/tests/solaris/Makefile
5199 memcheck/tests/freebsd/Makefile
5200 memcheck/tests/amd64-linux/Makefile
5201 memcheck/tests/arm64-linux/Makefile
5202 memcheck/tests/x86-linux/Makefile
5203 memcheck/tests/amd64-solaris/Makefile
5204 memcheck/tests/x86-solaris/Makefile
5205 memcheck/tests/amd64-freebsd/Makefile
5206 memcheck/tests/x86-freebsd/Makefile
5207 memcheck/tests/ppc32/Makefile
5208 memcheck/tests/ppc64/Makefile
5209 memcheck/tests/s390x/Makefile
5210 memcheck/tests/mips32/Makefile
5211 memcheck/tests/mips64/Makefile
5212 memcheck/tests/vbit-test/Makefile
5213 cachegrind/Makefile
5214 cachegrind/tests/Makefile
5215 cachegrind/tests/x86/Makefile
5216 cachegrind/cg_annotate
5217 cachegrind/cg_diff
5218 callgrind/Makefile
5219 callgrind/callgrind_annotate
5220 callgrind/callgrind_control
5221 callgrind/tests/Makefile
5222 helgrind/Makefile
5223 helgrind/tests/Makefile
5224 drd/Makefile
5225 drd/scripts/download-and-build-splash2
5226 drd/tests/Makefile
5227 massif/Makefile
5228 massif/tests/Makefile
5229 massif/ms_print
5230 dhat/Makefile
5231 dhat/tests/Makefile
5232 lackey/Makefile
5233 lackey/tests/Makefile
5234 none/Makefile
5235 none/tests/Makefile
5236 none/tests/scripts/Makefile
5237 none/tests/amd64/Makefile
5238 none/tests/ppc32/Makefile
5239 none/tests/ppc64/Makefile
5240 none/tests/x86/Makefile
5241 none/tests/arm/Makefile
5242 none/tests/arm64/Makefile
5243 none/tests/s390x/Makefile
5244 none/tests/mips32/Makefile
5245 none/tests/mips64/Makefile
5246 none/tests/nanomips/Makefile
5247 none/tests/linux/Makefile
5248 none/tests/darwin/Makefile
5249 none/tests/solaris/Makefile
5250 none/tests/freebsd/Makefile
5251 none/tests/amd64-linux/Makefile
5252 none/tests/x86-linux/Makefile
5253 none/tests/amd64-darwin/Makefile
5254 none/tests/x86-darwin/Makefile
5255 none/tests/amd64-solaris/Makefile
5256 none/tests/x86-solaris/Makefile
5257 exp-bbv/Makefile
5258 exp-bbv/tests/Makefile
5259 exp-bbv/tests/x86/Makefile
5260 exp-bbv/tests/x86-linux/Makefile
5261 exp-bbv/tests/amd64-linux/Makefile
5262 exp-bbv/tests/ppc32-linux/Makefile
5263 exp-bbv/tests/arm-linux/Makefile
5264 shared/Makefile
5265 solaris/Makefile
5266 ])
5267 AC_CONFIG_FILES([coregrind/link_tool_exe_linux],
5268 [chmod +x coregrind/link_tool_exe_linux])
5269 AC_CONFIG_FILES([coregrind/link_tool_exe_freebsd],
5270 [chmod +x coregrind/link_tool_exe_freebsd])
5271 AC_CONFIG_FILES([coregrind/link_tool_exe_darwin],
5272 [chmod +x coregrind/link_tool_exe_darwin])
5273 AC_CONFIG_FILES([coregrind/link_tool_exe_solaris],
5274 [chmod +x coregrind/link_tool_exe_solaris])
5275 AC_CONFIG_FILES([tests/filter_stderr_basic],
5276 [chmod +x tests/filter_stderr_basic])
5277 AC_CONFIG_FILES([tests/filter_discards],
5278 [chmod +x tests/filter_discards])
5279 AC_CONFIG_FILES([memcheck/tests/filter_stderr],
5280 [chmod +x memcheck/tests/filter_stderr])
5281 AC_CONFIG_FILES([memcheck/tests/filter_dw4],
5282 [chmod +x memcheck/tests/filter_dw4])
5283 AC_CONFIG_FILES([memcheck/tests/filter_overlaperror],
5284 [chmod +x memcheck/tests/filter_overlaperror])
5285 AC_CONFIG_FILES([memcheck/tests/x86/filter_pushfpopf],
5286 [chmod +x memcheck/tests/x86/filter_pushfpopf])
5287 AC_CONFIG_FILES([gdbserver_tests/filter_gdb],
5288 [chmod +x gdbserver_tests/filter_gdb])
5289 AC_CONFIG_FILES([gdbserver_tests/filter_memcheck_monitor],
5290 [chmod +x gdbserver_tests/filter_memcheck_monitor])
5291 AC_CONFIG_FILES([gdbserver_tests/filter_stderr],
5292 [chmod +x gdbserver_tests/filter_stderr])
5293 AC_CONFIG_FILES([gdbserver_tests/filter_vgdb],
5294 [chmod +x gdbserver_tests/filter_vgdb])
5295 AC_CONFIG_FILES([drd/tests/filter_stderr],
5296 [chmod +x drd/tests/filter_stderr])
5297 AC_CONFIG_FILES([drd/tests/filter_error_count],
5298 [chmod +x drd/tests/filter_error_count])
5299 AC_CONFIG_FILES([drd/tests/filter_error_summary],
5300 [chmod +x drd/tests/filter_error_summary])
5301 AC_CONFIG_FILES([drd/tests/filter_stderr_and_thread_no_and_offset],
5302 [chmod +x drd/tests/filter_stderr_and_thread_no_and_offset])
5303 AC_CONFIG_FILES([drd/tests/filter_thread_no],
5304 [chmod +x drd/tests/filter_thread_no])
5305 AC_CONFIG_FILES([drd/tests/filter_xml_and_thread_no],
5306 [chmod +x drd/tests/filter_xml_and_thread_no])
5307 AC_CONFIG_FILES([helgrind/tests/filter_stderr],
5308 [chmod +x helgrind/tests/filter_stderr])
5309 AC_OUTPUT
5311 cat<<EOF
5313 Version: ${VERSION}
5314 Maximum build arch: ${ARCH_MAX}
5315 Primary build arch: ${VGCONF_ARCH_PRI}
5316 Secondary build arch: ${VGCONF_ARCH_SEC}
5317 Build OS: ${VGCONF_OS}
5318 Link Time Optimisation: ${vg_cv_lto}
5319 Primary build target: ${VGCONF_PLATFORM_PRI_CAPS}
5320 Secondary build target: ${VGCONF_PLATFORM_SEC_CAPS}
5321 Platform variant: ${VGCONF_PLATVARIANT}
5322 Primary -DVGPV string: -DVGPV_${VGCONF_ARCH_PRI}_${VGCONF_OS}_${VGCONF_PLATVARIANT}=1
5323 Default supp files: ${DEFAULT_SUPP}
5325 EOF