| blob | 352892565e04ebd9e7c985631bccc91d6a336f09 |
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 AC_INIT([Valgrind],[3.16.0.GIT],[valgrind-users@lists.sourceforge.net])
12 AC_CONFIG_SRCDIR(coregrind/m_main.c)
13 AC_CONFIG_HEADERS([config.h])
14 AM_INIT_AUTOMAKE([foreign dist-bzip2 subdir-objects])
16 AM_MAINTAINER_MODE
18 #----------------------------------------------------------------------------
19 # Do NOT modify these flags here. Except in feature tests in which case
20 # the original values must be properly restored.
21 #----------------------------------------------------------------------------
22 CFLAGS="$CFLAGS"
23 CXXFLAGS="$CXXFLAGS"
25 #----------------------------------------------------------------------------
26 # Checks for various programs.
27 #----------------------------------------------------------------------------
29 AC_PROG_LN_S
30 AC_PROG_CC
31 AM_PROG_CC_C_O
32 AC_PROG_CPP
33 AC_PROG_CXX
34 # AC_PROG_OBJC apparently causes problems on older Linux distros (eg. with
35 # autoconf 2.59). If we ever have any Objective-C code in the Valgrind code
36 # base (eg. most likely as Darwin-specific tests) we'll need one of the
37 # following:
38 # - put AC_PROG_OBJC in a Darwin-specific part of this file
39 # - Use AC_PROG_OBJC here and up the minimum autoconf version
40 # - Use the following, which is apparently equivalent:
41 # m4_ifdef([AC_PROG_OBJC],
42 # [AC_PROG_OBJC],
43 # [AC_CHECK_TOOL([OBJC], [gcc])
44 # AC_SUBST([OBJC])
45 # AC_SUBST([OBJCFLAGS])
46 # ])
47 AC_PROG_RANLIB
48 # Set LTO_RANLIB variable to an lto enabled ranlib
49 if test "x$LTO_RANLIB" = "x"; then
50 AC_PATH_PROGS([LTO_RANLIB], [gcc-ranlib])
51 fi
52 AC_ARG_VAR([LTO_RANLIB],[Library indexer command for link time optimisation])
54 # provide a very basic definition for AC_PROG_SED if it's not provided by
55 # autoconf (as e.g. in autoconf 2.59).
56 m4_ifndef([AC_PROG_SED],
57 [AC_DEFUN([AC_PROG_SED],
58 [AC_ARG_VAR([SED])
59 AC_CHECK_PROGS([SED],[gsed sed])])])
60 AC_PROG_SED
62 # If no AR variable was specified, look up the name of the archiver. Otherwise
63 # do not touch the AR variable.
64 if test "x$AR" = "x"; then
65 AC_PATH_PROGS([AR], [`echo $LD | $SED 's/ld$/ar/'` "ar"], [ar])
66 fi
67 AC_ARG_VAR([AR],[Archiver command])
69 # same for LTO_AR variable for lto enabled archiver
70 if test "x$LTO_AR" = "x"; then
71 AC_PATH_PROGS([LTO_AR], [gcc-ar])
72 fi
73 AC_ARG_VAR([LTO_AR],[Archiver command for link time optimisation])
76 # Check for the compiler support
77 if test "${GCC}" != "yes" ; then
78 AC_MSG_ERROR([Valgrind relies on GCC to be compiled])
79 fi
81 # figure out where perl lives
82 AC_PATH_PROG(PERL, perl)
84 # figure out where gdb lives
85 AC_PATH_PROG(GDB, gdb, "/no/gdb/was/found/at/configure/time")
86 AC_DEFINE_UNQUOTED(GDB_PATH, "$GDB", [path to GDB])
88 # some older automake's don't have it so try something on our own
89 ifdef([AM_PROG_AS],[AM_PROG_AS],
90 [
91 AS="${CC}"
92 AC_SUBST(AS)
94 ASFLAGS=""
95 AC_SUBST(ASFLAGS)
96 ])
99 # Check if 'diff' supports -u (universal diffs) and use it if possible.
101 AC_MSG_CHECKING([for diff -u])
102 AC_SUBST(DIFF)
104 # Comparing two identical files results in 0.
105 tmpfile="tmp-xxx-yyy-zzz"
106 touch $tmpfile;
107 if diff -u $tmpfile $tmpfile ; then
108 AC_MSG_RESULT([yes])
109 DIFF="diff -u"
110 else
111 AC_MSG_RESULT([no])
112 DIFF="diff"
113 fi
114 rm $tmpfile
116 # Make sure we can compile in C99 mode.
117 AC_PROG_CC_C99
118 if test "$ac_cv_prog_cc_c99" == "no"; then
119 AC_MSG_ERROR([Valgrind relies on a C compiler supporting C99])
120 fi
122 # We don't want gcc < 3.0
123 AC_MSG_CHECKING([for a supported version of gcc])
125 # Obtain the compiler version.
126 #
127 # A few examples of how the ${CC} --version output looks like:
128 #
129 # ######## gcc variants ########
130 # Arch Linux: i686-pc-linux-gnu-gcc (GCC) 4.6.2
131 # Debian Linux: gcc (Debian 4.3.2-1.1) 4.3.2
132 # openSUSE: gcc (SUSE Linux) 4.5.1 20101208 [gcc-4_5-branch revision 167585]
133 # Exherbo Linux: x86_64-pc-linux-gnu-gcc (Exherbo gcc-4.6.2) 4.6.2
134 # MontaVista Linux for ARM: arm-none-linux-gnueabi-gcc (Sourcery G++ Lite 2009q1-203) 4.3.3
135 # OS/X 10.6: i686-apple-darwin10-gcc-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5666) (dot 3)
136 # OS/X 10.7: i686-apple-darwin11-llvm-gcc-4.2 (GCC) 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2335.15.00)
137 #
138 # ######## clang variants ########
139 # Clang: clang version 2.9 (tags/RELEASE_29/final)
140 # Apple clang: Apple clang version 3.1 (tags/Apple/clang-318.0.58) (based on LLVM 3.1svn)
141 # FreeBSD clang: FreeBSD clang version 3.1 (branches/release_31 156863) 20120523
142 #
143 # ######## Apple LLVM variants ########
144 # Apple LLVM version 5.1 (clang-503.0.40) (based on LLVM 3.4svn)
145 # Apple LLVM version 6.0 (clang-600.0.51) (based on LLVM 3.5svn)
146 #
147 [
148 if test "x`${CC} --version | $SED -n -e 's/.*\Apple \(LLVM\) version.*clang.*/\1/p'`" = "xLLVM" ;
149 then
150 is_clang="applellvm"
151 gcc_version=`${CC} --version | $SED -n -e 's/.*LLVM version \([0-9.]*\).*$/\1/p'`
152 elif test "x`${CC} --version | $SED -n -e 's/.*\(clang\) version.*/\1/p'`" = "xclang" ;
153 then
154 is_clang="clang"
155 # Don't use -dumpversion with clang: it will always produce "4.2.1".
156 gcc_version=`${CC} --version | $SED -n -e 's/.*clang version \([0-9.]*\).*$/\1/p'`
157 elif test "x`${CC} --version | $SED -n -e 's/icc.*\(ICC\).*/\1/p'`" = "xICC" ;
158 then
159 is_clang="icc"
160 gcc_version=`${CC} -dumpversion 2>/dev/null`
161 else
162 is_clang="notclang"
163 gcc_version=`${CC} -dumpversion 2>/dev/null`
164 if test "x$gcc_version" = x; then
165 gcc_version=`${CC} --version | $SED -n -e 's/[^ ]*gcc[^ ]* ([^)]*) \([0-9.]*\).*$/\1/p'`
166 fi
167 fi
168 ]
169 AM_CONDITIONAL(COMPILER_IS_CLANG, test $is_clang = clang -o $is_clang = applellvm)
170 AM_CONDITIONAL(COMPILER_IS_ICC, test $is_clang = icc)
172 # Note: m4 arguments are quoted with [ and ] so square brackets in shell
173 # statements have to be quoted.
174 case "${is_clang}-${gcc_version}" in
175 applellvm-5.1|applellvm-[[6-9]].*|applellvm-[[1-9][0-9]]*)
176 AC_MSG_RESULT([ok (Apple LLVM version ${gcc_version})])
177 ;;
178 icc-1[[3-9]].*)
179 AC_MSG_RESULT([ok (ICC version ${gcc_version})])
180 ;;
181 notclang-[[3-9]]|notclang-[[3-9]].*|notclang-[[1-9][0-9]]*)
182 AC_MSG_RESULT([ok (${gcc_version})])
183 ;;
184 clang-2.9|clang-[[3-9]].*|clang-[[1-9][0-9]]*)
185 AC_MSG_RESULT([ok (clang-${gcc_version})])
186 ;;
187 *)
188 AC_MSG_RESULT([no (${is_clang}-${gcc_version})])
189 AC_MSG_ERROR([please use gcc >= 3.0 or clang >= 2.9 or icc >= 13.0 or Apple LLVM >= 5.1])
190 ;;
191 esac
193 #----------------------------------------------------------------------------
194 # Arch/OS/platform tests.
195 #----------------------------------------------------------------------------
196 # We create a number of arch/OS/platform-related variables. We prefix them
197 # all with "VGCONF_" which indicates that they are defined at
198 # configure-time, and distinguishes them from the VGA_*/VGO_*/VGP_*
199 # variables used when compiling C files.
201 AC_CANONICAL_HOST
203 AC_MSG_CHECKING([for a supported CPU])
205 # ARCH_MAX reflects the most that this CPU can do: for example if it
206 # is a 64-bit capable PowerPC, then it must be set to ppc64 and not ppc32.
207 # Ditto for amd64. It is used for more configuration below, but is not used
208 # outside this file.
209 #
210 # Power PC returns powerpc for Big Endian. This was not changed when Little
211 # Endian support was added to the 64-bit architecture. The 64-bit Little
212 # Endian systems explicitly state le in the host_cpu. For clarity in the
213 # Valgrind code, the ARCH_MAX name will state LE or BE for the endianness of
214 # the 64-bit system. Big Endian is the only mode supported on 32-bit Power PC.
215 # The abreviation PPC or ppc refers to 32-bit and 64-bit systems with either
216 # Endianness. The name PPC64 or ppc64 to 64-bit systems of either Endianness.
217 # The names ppc64be or PPC64BE refer to only 64-bit systems that are Big
218 # Endian. Similarly, ppc64le or PPC64LE refer to only 64-bit systems that are
219 # Little Endian.
221 case "${host_cpu}" in
222 i?86)
223 AC_MSG_RESULT([ok (${host_cpu})])
224 ARCH_MAX="x86"
225 ;;
227 x86_64)
228 AC_MSG_RESULT([ok (${host_cpu})])
229 ARCH_MAX="amd64"
230 ;;
232 powerpc64)
233 # this only referrs to 64-bit Big Endian
234 AC_MSG_RESULT([ok (${host_cpu})])
235 ARCH_MAX="ppc64be"
236 ;;
238 powerpc64le)
239 # this only referrs to 64-bit Little Endian
240 AC_MSG_RESULT([ok (${host_cpu})])
241 ARCH_MAX="ppc64le"
242 ;;
244 powerpc)
245 # On Linux this means only a 32-bit capable CPU.
246 AC_MSG_RESULT([ok (${host_cpu})])
247 ARCH_MAX="ppc32"
248 ;;
250 s390x)
251 AC_MSG_RESULT([ok (${host_cpu})])
252 ARCH_MAX="s390x"
253 ;;
255 armv7*)
256 AC_MSG_RESULT([ok (${host_cpu})])
257 ARCH_MAX="arm"
258 ;;
260 aarch64*)
261 AC_MSG_RESULT([ok (${host_cpu})])
262 ARCH_MAX="arm64"
263 ;;
265 mips)
266 AC_MSG_RESULT([ok (${host_cpu})])
267 ARCH_MAX="mips32"
268 ;;
270 mipsel)
271 AC_MSG_RESULT([ok (${host_cpu})])
272 ARCH_MAX="mips32"
273 ;;
275 mipsisa32r2)
276 AC_MSG_RESULT([ok (${host_cpu})])
277 ARCH_MAX="mips32"
278 ;;
280 mips64*)
281 AC_MSG_RESULT([ok (${host_cpu})])
282 ARCH_MAX="mips64"
283 ;;
285 mipsisa64*)
286 AC_MSG_RESULT([ok (${host_cpu})])
287 ARCH_MAX="mips64"
288 ;;
290 *)
291 AC_MSG_RESULT([no (${host_cpu})])
292 AC_MSG_ERROR([Unsupported host architecture. Sorry])
293 ;;
294 esac
296 #----------------------------------------------------------------------------
298 # Sometimes it's convenient to subvert the bi-arch build system and
299 # just have a single build even though the underlying platform is
300 # capable of both. Hence handle --enable-only64bit and
301 # --enable-only32bit. Complain if both are issued :-)
302 # [Actually, if either of these options are used, I think both get built,
303 # but only one gets installed. So if you use an in-place build, both can be
304 # used. --njn]
306 # Check if a 64-bit only build has been requested
307 AC_CACHE_CHECK([for a 64-bit only build], vg_cv_only64bit,
308 [AC_ARG_ENABLE(only64bit,
309 [ --enable-only64bit do a 64-bit only build],
310 [vg_cv_only64bit=$enableval],
311 [vg_cv_only64bit=no])])
313 # Check if a 32-bit only build has been requested
314 AC_CACHE_CHECK([for a 32-bit only build], vg_cv_only32bit,
315 [AC_ARG_ENABLE(only32bit,
316 [ --enable-only32bit do a 32-bit only build],
317 [vg_cv_only32bit=$enableval],
318 [vg_cv_only32bit=no])])
320 # Stay sane
321 if test x$vg_cv_only64bit = xyes -a x$vg_cv_only32bit = xyes; then
322 AC_MSG_ERROR(
323 [Nonsensical: both --enable-only64bit and --enable-only32bit.])
324 fi
326 #----------------------------------------------------------------------------
328 # VGCONF_OS is the primary build OS, eg. "linux". It is passed in to
329 # compilation of many C files via -VGO_$(VGCONF_OS) and
330 # -VGP_$(VGCONF_ARCH_PRI)_$(VGCONF_OS).
331 AC_MSG_CHECKING([for a supported OS])
332 AC_SUBST(VGCONF_OS)
334 DEFAULT_SUPP=""
336 case "${host_os}" in
337 *linux*)
338 AC_MSG_RESULT([ok (${host_os})])
339 VGCONF_OS="linux"
341 # Ok, this is linux. Check the kernel version
342 AC_MSG_CHECKING([for the kernel version])
344 kernel=`uname -r`
346 case "${kernel}" in
347 0.*|1.*|2.0.*|2.1.*|2.2.*|2.3.*|2.4.*|2.5.*)
348 AC_MSG_RESULT([unsupported (${kernel})])
349 AC_MSG_ERROR([Valgrind needs a Linux kernel >= 2.6])
350 ;;
352 *)
353 AC_MSG_RESULT([2.6 or later (${kernel})])
354 ;;
355 esac
357 ;;
359 *darwin*)
360 AC_MSG_RESULT([ok (${host_os})])
361 VGCONF_OS="darwin"
362 AC_DEFINE([DARWIN_10_5], 100500, [DARWIN_VERS value for Mac OS X 10.5])
363 AC_DEFINE([DARWIN_10_6], 100600, [DARWIN_VERS value for Mac OS X 10.6])
364 AC_DEFINE([DARWIN_10_7], 100700, [DARWIN_VERS value for Mac OS X 10.7])
365 AC_DEFINE([DARWIN_10_8], 100800, [DARWIN_VERS value for Mac OS X 10.8])
366 AC_DEFINE([DARWIN_10_9], 100900, [DARWIN_VERS value for Mac OS X 10.9])
367 AC_DEFINE([DARWIN_10_10], 101000, [DARWIN_VERS value for Mac OS X 10.10])
368 AC_DEFINE([DARWIN_10_11], 101100, [DARWIN_VERS value for Mac OS X 10.11])
369 AC_DEFINE([DARWIN_10_12], 101200, [DARWIN_VERS value for macOS 10.12])
370 AC_DEFINE([DARWIN_10_13], 101300, [DARWIN_VERS value for macOS 10.13])
372 AC_MSG_CHECKING([for the kernel version])
373 kernel=`uname -r`
375 # Nb: for Darwin we set DEFAULT_SUPP here. That's because Darwin
376 # has only one relevant version, the OS version. The `uname` check
377 # is a good way to get that version (i.e. "Darwin 9.6.0" is Mac OS
378 # X 10.5.6, and "Darwin 10.x" is Mac OS X 10.6.x Snow Leopard,
379 # and possibly "Darwin 11.x" is Mac OS X 10.7.x Lion),
380 # and we don't know of an macros similar to __GLIBC__ to get that info.
381 #
382 # XXX: `uname -r` won't do the right thing for cross-compiles, but
383 # that's not a problem yet.
384 #
385 # jseward 21 Sept 2011: I seriously doubt whether V 3.7.0 will work
386 # on OS X 10.5.x; I haven't tested yet, and only plan to test 3.7.0
387 # on 10.6.8 and 10.7.1. Although tempted to delete the configure
388 # time support for 10.5 (the 9.* pattern just below), I'll leave it
389 # in for now, just in case anybody wants to give it a try. But I'm
390 # assuming that 3.7.0 is a Snow Leopard and Lion-only release.
391 case "${kernel}" in
392 9.*)
393 AC_MSG_RESULT([Darwin 9.x (${kernel}) / Mac OS X 10.5 Leopard])
394 AC_DEFINE([DARWIN_VERS], DARWIN_10_5, [Darwin / Mac OS X version])
395 DEFAULT_SUPP="darwin9.supp ${DEFAULT_SUPP}"
396 DEFAULT_SUPP="darwin9-drd.supp ${DEFAULT_SUPP}"
397 ;;
398 10.*)
399 AC_MSG_RESULT([Darwin 10.x (${kernel}) / Mac OS X 10.6 Snow Leopard])
400 AC_DEFINE([DARWIN_VERS], DARWIN_10_6, [Darwin / Mac OS X version])
401 DEFAULT_SUPP="darwin10.supp ${DEFAULT_SUPP}"
402 DEFAULT_SUPP="darwin10-drd.supp ${DEFAULT_SUPP}"
403 ;;
404 11.*)
405 AC_MSG_RESULT([Darwin 11.x (${kernel}) / Mac OS X 10.7 Lion])
406 AC_DEFINE([DARWIN_VERS], DARWIN_10_7, [Darwin / Mac OS X version])
407 DEFAULT_SUPP="darwin11.supp ${DEFAULT_SUPP}"
408 DEFAULT_SUPP="darwin10-drd.supp ${DEFAULT_SUPP}"
409 ;;
410 12.*)
411 AC_MSG_RESULT([Darwin 12.x (${kernel}) / Mac OS X 10.8 Mountain Lion])
412 AC_DEFINE([DARWIN_VERS], DARWIN_10_8, [Darwin / Mac OS X version])
413 DEFAULT_SUPP="darwin12.supp ${DEFAULT_SUPP}"
414 DEFAULT_SUPP="darwin10-drd.supp ${DEFAULT_SUPP}"
415 ;;
416 13.*)
417 AC_MSG_RESULT([Darwin 13.x (${kernel}) / Mac OS X 10.9 Mavericks])
418 AC_DEFINE([DARWIN_VERS], DARWIN_10_9, [Darwin / Mac OS X version])
419 DEFAULT_SUPP="darwin13.supp ${DEFAULT_SUPP}"
420 DEFAULT_SUPP="darwin10-drd.supp ${DEFAULT_SUPP}"
421 ;;
422 14.*)
423 AC_MSG_RESULT([Darwin 14.x (${kernel}) / Mac OS X 10.10 Yosemite])
424 AC_DEFINE([DARWIN_VERS], DARWIN_10_10, [Darwin / Mac OS X version])
425 DEFAULT_SUPP="darwin14.supp ${DEFAULT_SUPP}"
426 DEFAULT_SUPP="darwin10-drd.supp ${DEFAULT_SUPP}"
427 ;;
428 15.*)
429 AC_MSG_RESULT([Darwin 15.x (${kernel}) / Mac OS X 10.11 El Capitan])
430 AC_DEFINE([DARWIN_VERS], DARWIN_10_11, [Darwin / Mac OS X version])
431 DEFAULT_SUPP="darwin15.supp ${DEFAULT_SUPP}"
432 DEFAULT_SUPP="darwin10-drd.supp ${DEFAULT_SUPP}"
433 ;;
434 16.*)
435 AC_MSG_RESULT([Darwin 16.x (${kernel}) / macOS 10.12 Sierra])
436 AC_DEFINE([DARWIN_VERS], DARWIN_10_12, [Darwin / Mac OS X version])
437 DEFAULT_SUPP="darwin16.supp ${DEFAULT_SUPP}"
438 DEFAULT_SUPP="darwin10-drd.supp ${DEFAULT_SUPP}"
439 ;;
440 17.*)
441 AC_MSG_RESULT([Darwin 17.x (${kernel}) / macOS 10.13 High Sierra])
442 AC_DEFINE([DARWIN_VERS], DARWIN_10_13, [Darwin / Mac OS X version])
443 DEFAULT_SUPP="darwin17.supp ${DEFAULT_SUPP}"
444 DEFAULT_SUPP="darwin10-drd.supp ${DEFAULT_SUPP}"
445 ;;
446 *)
447 AC_MSG_RESULT([unsupported (${kernel})])
448 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)])
449 ;;
450 esac
451 ;;
453 solaris2.11*)
454 AC_MSG_RESULT([ok (${host_os})])
455 VGCONF_OS="solaris"
457 uname_v=$( uname -v )
458 case "$uname_v" in
459 11.4.*)
460 DEFAULT_SUPP="solaris12.supp ${DEFAULT_SUPP}"
461 ;;
462 *)
463 DEFAULT_SUPP="solaris11.supp ${DEFAULT_SUPP}"
464 ;;
465 esac
466 ;;
468 solaris2.12*)
469 AC_MSG_RESULT([ok (${host_os})])
470 VGCONF_OS="solaris"
471 DEFAULT_SUPP="solaris12.supp ${DEFAULT_SUPP}"
472 ;;
474 *)
475 AC_MSG_RESULT([no (${host_os})])
476 AC_MSG_ERROR([Valgrind is operating system specific. Sorry.])
477 ;;
478 esac
480 #----------------------------------------------------------------------------
482 # If we are building on a 64 bit platform test to see if the system
483 # supports building 32 bit programs and disable 32 bit support if it
484 # does not support building 32 bit programs
486 case "$ARCH_MAX-$VGCONF_OS" in
487 amd64-linux|ppc64be-linux|arm64-linux|amd64-solaris)
488 AC_MSG_CHECKING([for 32 bit build support])
489 safe_CFLAGS=$CFLAGS
490 CFLAGS="-m32"
491 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
492 return 0;
493 ]])], [
494 AC_MSG_RESULT([yes])
495 ], [
496 vg_cv_only64bit="yes"
497 AC_MSG_RESULT([no])
498 ])
499 CFLAGS=$safe_CFLAGS;;
500 mips64-linux)
501 AC_MSG_CHECKING([for 32 bit build support])
502 safe_CFLAGS=$CFLAGS
503 CFLAGS="$CFLAGS -mips32 -mabi=32"
504 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
505 #include <sys/prctl.h>
506 ]], [[]])], [
507 AC_MSG_RESULT([yes])
508 ], [
509 vg_cv_only64bit="yes"
510 AC_MSG_RESULT([no])
511 ])
512 CFLAGS=$safe_CFLAGS;;
513 esac
515 if test x$vg_cv_only64bit = xyes -a x$vg_cv_only32bit = xyes; then
516 AC_MSG_ERROR(
517 [--enable-only32bit was specified but system does not support 32 bit builds])
518 fi
520 #----------------------------------------------------------------------------
522 # VGCONF_ARCH_PRI is the arch for the primary build target, eg. "amd64". By
523 # default it's the same as ARCH_MAX. But if, say, we do a build on an amd64
524 # machine, but --enable-only32bit has been requested, then ARCH_MAX (see
525 # above) will be "amd64" since that reflects the most that this cpu can do,
526 # but VGCONF_ARCH_PRI will be downgraded to "x86", since that reflects the
527 # arch corresponding to the primary build (VGCONF_PLATFORM_PRI_CAPS). It is
528 # passed in to compilation of many C files via -VGA_$(VGCONF_ARCH_PRI) and
529 # -VGP_$(VGCONF_ARCH_PRI)_$(VGCONF_OS).
530 AC_SUBST(VGCONF_ARCH_PRI)
532 # VGCONF_ARCH_SEC is the arch for the secondary build target, eg. "x86".
533 # It is passed in to compilation of many C files via -VGA_$(VGCONF_ARCH_SEC)
534 # and -VGP_$(VGCONF_ARCH_SEC)_$(VGCONF_OS), if there is a secondary target.
535 # It is empty if there is no secondary target.
536 AC_SUBST(VGCONF_ARCH_SEC)
538 # VGCONF_PLATFORM_PRI_CAPS is the primary build target, eg. "AMD64_LINUX".
539 # The entire system, including regression and performance tests, will be
540 # built for this target. The "_CAPS" indicates that the name is in capital
541 # letters, and it also uses '_' rather than '-' as a separator, because it's
542 # used to create various Makefile variables, which are all in caps by
543 # convention and cannot contain '-' characters. This is in contrast to
544 # VGCONF_ARCH_PRI and VGCONF_OS which are not in caps.
545 AC_SUBST(VGCONF_PLATFORM_PRI_CAPS)
547 # VGCONF_PLATFORM_SEC_CAPS is the secondary build target, if there is one.
548 # Valgrind and tools will also be built for this target, but not the
549 # regression or performance tests.
550 #
551 # By default, the primary arch is the same as the "max" arch, as commented
552 # above (at the definition of ARCH_MAX). We may choose to downgrade it in
553 # the big case statement just below here, in the case where we're building
554 # on a 64 bit machine but have been requested only to do a 32 bit build.
555 AC_SUBST(VGCONF_PLATFORM_SEC_CAPS)
557 AC_MSG_CHECKING([for a supported CPU/OS combination])
559 # NB. The load address for a given platform may be specified in more
560 # than one place, in some cases, depending on whether we're doing a biarch,
561 # 32-bit only or 64-bit only build. eg see case for amd64-linux below.
562 # Be careful to give consistent values in all subcases. Also, all four
563 # valt_load_addres_{pri,sec}_{norml,inner} values must always be set,
564 # even if it is to "0xUNSET".
565 #
566 case "$ARCH_MAX-$VGCONF_OS" in
567 x86-linux)
568 VGCONF_ARCH_PRI="x86"
569 VGCONF_ARCH_SEC=""
570 VGCONF_PLATFORM_PRI_CAPS="X86_LINUX"
571 VGCONF_PLATFORM_SEC_CAPS=""
572 valt_load_address_pri_norml="0x58000000"
573 valt_load_address_pri_inner="0x38000000"
574 valt_load_address_sec_norml="0xUNSET"
575 valt_load_address_sec_inner="0xUNSET"
576 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
577 ;;
578 amd64-linux)
579 valt_load_address_sec_norml="0xUNSET"
580 valt_load_address_sec_inner="0xUNSET"
581 if test x$vg_cv_only64bit = xyes; then
582 VGCONF_ARCH_PRI="amd64"
583 VGCONF_ARCH_SEC=""
584 VGCONF_PLATFORM_PRI_CAPS="AMD64_LINUX"
585 VGCONF_PLATFORM_SEC_CAPS=""
586 valt_load_address_pri_norml="0x58000000"
587 valt_load_address_pri_inner="0x38000000"
588 elif test x$vg_cv_only32bit = xyes; then
589 VGCONF_ARCH_PRI="x86"
590 VGCONF_ARCH_SEC=""
591 VGCONF_PLATFORM_PRI_CAPS="X86_LINUX"
592 VGCONF_PLATFORM_SEC_CAPS=""
593 valt_load_address_pri_norml="0x58000000"
594 valt_load_address_pri_inner="0x38000000"
595 else
596 VGCONF_ARCH_PRI="amd64"
597 VGCONF_ARCH_SEC="x86"
598 VGCONF_PLATFORM_PRI_CAPS="AMD64_LINUX"
599 VGCONF_PLATFORM_SEC_CAPS="X86_LINUX"
600 valt_load_address_pri_norml="0x58000000"
601 valt_load_address_pri_inner="0x38000000"
602 valt_load_address_sec_norml="0x58000000"
603 valt_load_address_sec_inner="0x38000000"
604 fi
605 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
606 ;;
607 ppc32-linux)
608 VGCONF_ARCH_PRI="ppc32"
609 VGCONF_ARCH_SEC=""
610 VGCONF_PLATFORM_PRI_CAPS="PPC32_LINUX"
611 VGCONF_PLATFORM_SEC_CAPS=""
612 valt_load_address_pri_norml="0x58000000"
613 valt_load_address_pri_inner="0x38000000"
614 valt_load_address_sec_norml="0xUNSET"
615 valt_load_address_sec_inner="0xUNSET"
616 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
617 ;;
618 ppc64be-linux)
619 valt_load_address_sec_norml="0xUNSET"
620 valt_load_address_sec_inner="0xUNSET"
621 if test x$vg_cv_only64bit = xyes; then
622 VGCONF_ARCH_PRI="ppc64be"
623 VGCONF_ARCH_SEC=""
624 VGCONF_PLATFORM_PRI_CAPS="PPC64BE_LINUX"
625 VGCONF_PLATFORM_SEC_CAPS=""
626 valt_load_address_pri_norml="0x58000000"
627 valt_load_address_pri_inner="0x38000000"
628 elif test x$vg_cv_only32bit = xyes; then
629 VGCONF_ARCH_PRI="ppc32"
630 VGCONF_ARCH_SEC=""
631 VGCONF_PLATFORM_PRI_CAPS="PPC32_LINUX"
632 VGCONF_PLATFORM_SEC_CAPS=""
633 valt_load_address_pri_norml="0x58000000"
634 valt_load_address_pri_inner="0x38000000"
635 else
636 VGCONF_ARCH_PRI="ppc64be"
637 VGCONF_ARCH_SEC="ppc32"
638 VGCONF_PLATFORM_PRI_CAPS="PPC64BE_LINUX"
639 VGCONF_PLATFORM_SEC_CAPS="PPC32_LINUX"
640 valt_load_address_pri_norml="0x58000000"
641 valt_load_address_pri_inner="0x38000000"
642 valt_load_address_sec_norml="0x58000000"
643 valt_load_address_sec_inner="0x38000000"
644 fi
645 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
646 ;;
647 ppc64le-linux)
648 # Little Endian is only supported on PPC64
649 valt_load_address_sec_norml="0xUNSET"
650 valt_load_address_sec_inner="0xUNSET"
651 VGCONF_ARCH_PRI="ppc64le"
652 VGCONF_ARCH_SEC=""
653 VGCONF_PLATFORM_PRI_CAPS="PPC64LE_LINUX"
654 VGCONF_PLATFORM_SEC_CAPS=""
655 valt_load_address_pri_norml="0x58000000"
656 valt_load_address_pri_inner="0x38000000"
657 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
658 ;;
659 # Darwin gets identified as 32-bit even when it supports 64-bit.
660 # (Not sure why, possibly because 'uname' returns "i386"?) Just about
661 # all Macs support both 32-bit and 64-bit, so we just build both. If
662 # someone has a really old 32-bit only machine they can (hopefully?)
663 # build with --enable-only32bit. See bug 243362.
664 x86-darwin|amd64-darwin)
665 ARCH_MAX="amd64"
666 valt_load_address_sec_norml="0xUNSET"
667 valt_load_address_sec_inner="0xUNSET"
668 if test x$vg_cv_only64bit = xyes; then
669 VGCONF_ARCH_PRI="amd64"
670 VGCONF_ARCH_SEC=""
671 VGCONF_PLATFORM_PRI_CAPS="AMD64_DARWIN"
672 VGCONF_PLATFORM_SEC_CAPS=""
673 valt_load_address_pri_norml="0x158000000"
674 valt_load_address_pri_inner="0x138000000"
675 elif test x$vg_cv_only32bit = xyes; then
676 VGCONF_ARCH_PRI="x86"
677 VGCONF_ARCH_SEC=""
678 VGCONF_PLATFORM_PRI_CAPS="X86_DARWIN"
679 VGCONF_PLATFORM_SEC_CAPS=""
680 VGCONF_ARCH_PRI_CAPS="x86"
681 valt_load_address_pri_norml="0x58000000"
682 valt_load_address_pri_inner="0x38000000"
683 else
684 VGCONF_ARCH_PRI="amd64"
685 VGCONF_ARCH_SEC="x86"
686 VGCONF_PLATFORM_PRI_CAPS="AMD64_DARWIN"
687 VGCONF_PLATFORM_SEC_CAPS="X86_DARWIN"
688 valt_load_address_pri_norml="0x158000000"
689 valt_load_address_pri_inner="0x138000000"
690 valt_load_address_sec_norml="0x58000000"
691 valt_load_address_sec_inner="0x38000000"
692 fi
693 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
694 ;;
695 arm-linux)
696 VGCONF_ARCH_PRI="arm"
697 VGCONF_PLATFORM_PRI_CAPS="ARM_LINUX"
698 VGCONF_PLATFORM_SEC_CAPS=""
699 valt_load_address_pri_norml="0x58000000"
700 valt_load_address_pri_inner="0x38000000"
701 valt_load_address_sec_norml="0xUNSET"
702 valt_load_address_sec_inner="0xUNSET"
703 AC_MSG_RESULT([ok (${host_cpu}-${host_os})])
704 ;;
705 arm64-linux)
706 valt_load_address_sec_norml="0xUNSET"
707 valt_load_address_sec_inner="0xUNSET"
708 if test x$vg_cv_only64bit = xyes; then
709 VGCONF_ARCH_PRI="arm64"
710 VGCONF_ARCH_SEC=""
711 VGCONF_PLATFORM_PRI_CAPS="ARM64_LINUX"
712 VGCONF_PLATFORM_SEC_CAPS=""
713 valt_load_address_pri_norml="0x58000000"
714 valt_load_address_pri_inner="0x38000000"
715 elif test x$vg_cv_only32bit = xyes; then
716 VGCONF_ARCH_PRI="arm"
717 VGCONF_ARCH_SEC=""
718 VGCONF_PLATFORM_PRI_CAPS="ARM_LINUX"
719 VGCONF_PLATFORM_SEC_CAPS=""
720 valt_load_address_pri_norml="0x58000000"
721 valt_load_address_pri_inner="0x38000000"
722 else
723 VGCONF_ARCH_PRI="arm64"
724 VGCONF_ARCH_SEC="arm"
725 VGCONF_PLATFORM_PRI_CAPS="ARM64_LINUX"
726 VGCONF_PLATFORM_SEC_CAPS="ARM_LINUX"
727 valt_load_address_pri_norml="0x58000000"
728 valt_load_address_pri_inner="0x38000000"
729 valt_load_address_sec_norml="0x58000000"
730 valt_load_address_sec_inner="0x38000000"
731 fi
732 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
733 ;;
734 s390x-linux)
735 VGCONF_ARCH_PRI="s390x"
736 VGCONF_ARCH_SEC=""
737 VGCONF_PLATFORM_PRI_CAPS="S390X_LINUX"
738 VGCONF_PLATFORM_SEC_CAPS=""
739 # To improve branch prediction hit rate we want to have
740 # the generated code close to valgrind (host) code
741 valt_load_address_pri_norml="0x800000000"
742 valt_load_address_pri_inner="0x810000000"
743 valt_load_address_sec_norml="0xUNSET"
744 valt_load_address_sec_inner="0xUNSET"
745 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
746 ;;
747 mips32-linux)
748 VGCONF_ARCH_PRI="mips32"
749 VGCONF_ARCH_SEC=""
750 VGCONF_PLATFORM_PRI_CAPS="MIPS32_LINUX"
751 VGCONF_PLATFORM_SEC_CAPS=""
752 valt_load_address_pri_norml="0x58000000"
753 valt_load_address_pri_inner="0x38000000"
754 valt_load_address_sec_norml="0xUNSET"
755 valt_load_address_sec_inner="0xUNSET"
756 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
757 ;;
758 mips64-linux)
759 valt_load_address_sec_norml="0xUNSET"
760 valt_load_address_sec_inner="0xUNSET"
761 if test x$vg_cv_only64bit = xyes; then
762 VGCONF_ARCH_PRI="mips64"
763 VGCONF_PLATFORM_SEC_CAPS=""
764 VGCONF_PLATFORM_PRI_CAPS="MIPS64_LINUX"
765 VGCONF_PLATFORM_SEC_CAPS=""
766 valt_load_address_pri_norml="0x58000000"
767 valt_load_address_pri_inner="0x38000000"
768 elif test x$vg_cv_only32bit = xyes; then
769 VGCONF_ARCH_PRI="mips32"
770 VGCONF_ARCH_SEC=""
771 VGCONF_PLATFORM_PRI_CAPS="MIPS32_LINUX"
772 VGCONF_PLATFORM_SEC_CAPS=""
773 valt_load_address_pri_norml="0x58000000"
774 valt_load_address_pri_inner="0x38000000"
775 else
776 VGCONF_ARCH_PRI="mips64"
777 VGCONF_ARCH_SEC="mips32"
778 VGCONF_PLATFORM_PRI_CAPS="MIPS64_LINUX"
779 VGCONF_PLATFORM_SEC_CAPS="MIPS32_LINUX"
780 valt_load_address_pri_norml="0x58000000"
781 valt_load_address_pri_inner="0x38000000"
782 valt_load_address_sec_norml="0x58000000"
783 valt_load_address_sec_inner="0x38000000"
784 fi
785 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
786 ;;
787 x86-solaris)
788 VGCONF_ARCH_PRI="x86"
789 VGCONF_ARCH_SEC=""
790 VGCONF_PLATFORM_PRI_CAPS="X86_SOLARIS"
791 VGCONF_PLATFORM_SEC_CAPS=""
792 valt_load_address_pri_norml="0x58000000"
793 valt_load_address_pri_inner="0x38000000"
794 valt_load_address_sec_norml="0xUNSET"
795 valt_load_address_sec_inner="0xUNSET"
796 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
797 ;;
798 amd64-solaris)
799 valt_load_address_sec_norml="0xUNSET"
800 valt_load_address_sec_inner="0xUNSET"
801 if test x$vg_cv_only64bit = xyes; then
802 VGCONF_ARCH_PRI="amd64"
803 VGCONF_ARCH_SEC=""
804 VGCONF_PLATFORM_PRI_CAPS="AMD64_SOLARIS"
805 VGCONF_PLATFORM_SEC_CAPS=""
806 valt_load_address_pri_norml="0x58000000"
807 valt_load_address_pri_inner="0x38000000"
808 elif test x$vg_cv_only32bit = xyes; then
809 VGCONF_ARCH_PRI="x86"
810 VGCONF_ARCH_SEC=""
811 VGCONF_PLATFORM_PRI_CAPS="X86_SOLARIS"
812 VGCONF_PLATFORM_SEC_CAPS=""
813 valt_load_address_pri_norml="0x58000000"
814 valt_load_address_pri_inner="0x38000000"
815 else
816 VGCONF_ARCH_PRI="amd64"
817 VGCONF_ARCH_SEC="x86"
818 VGCONF_PLATFORM_PRI_CAPS="AMD64_SOLARIS"
819 VGCONF_PLATFORM_SEC_CAPS="X86_SOLARIS"
820 valt_load_address_pri_norml="0x58000000"
821 valt_load_address_pri_inner="0x38000000"
822 valt_load_address_sec_norml="0x58000000"
823 valt_load_address_sec_inner="0x38000000"
824 fi
825 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
826 ;;
827 *)
828 VGCONF_ARCH_PRI="unknown"
829 VGCONF_ARCH_SEC="unknown"
830 VGCONF_PLATFORM_PRI_CAPS="UNKNOWN"
831 VGCONF_PLATFORM_SEC_CAPS="UNKNOWN"
832 valt_load_address_pri_norml="0xUNSET"
833 valt_load_address_pri_inner="0xUNSET"
834 valt_load_address_sec_norml="0xUNSET"
835 valt_load_address_sec_inner="0xUNSET"
836 AC_MSG_RESULT([no (${ARCH_MAX}-${VGCONF_OS})])
837 AC_MSG_ERROR([Valgrind is platform specific. Sorry. Please consider doing a port.])
838 ;;
839 esac
841 #----------------------------------------------------------------------------
843 # Set up VGCONF_ARCHS_INCLUDE_<arch>. Either one or two of these become
844 # defined.
845 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_X86,
846 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_LINUX \
847 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_LINUX \
848 -o x$VGCONF_PLATFORM_PRI_CAPS = xX86_DARWIN \
849 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_DARWIN \
850 -o x$VGCONF_PLATFORM_PRI_CAPS = xX86_SOLARIS \
851 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_SOLARIS )
852 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_AMD64,
853 test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_LINUX \
854 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_DARWIN \
855 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_SOLARIS )
856 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_PPC32,
857 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC32_LINUX \
858 -o x$VGCONF_PLATFORM_SEC_CAPS = xPPC32_LINUX )
859 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_PPC64,
860 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC64BE_LINUX \
861 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC64LE_LINUX )
862 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_ARM,
863 test x$VGCONF_PLATFORM_PRI_CAPS = xARM_LINUX \
864 -o x$VGCONF_PLATFORM_SEC_CAPS = xARM_LINUX )
865 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_ARM64,
866 test x$VGCONF_PLATFORM_PRI_CAPS = xARM64_LINUX )
867 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_S390X,
868 test x$VGCONF_PLATFORM_PRI_CAPS = xS390X_LINUX )
869 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_MIPS32,
870 test x$VGCONF_PLATFORM_PRI_CAPS = xMIPS32_LINUX \
871 -o x$VGCONF_PLATFORM_SEC_CAPS = xMIPS32_LINUX )
872 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_MIPS64,
873 test x$VGCONF_PLATFORM_PRI_CAPS = xMIPS64_LINUX )
875 # Set up VGCONF_PLATFORMS_INCLUDE_<platform>. Either one or two of these
876 # become defined.
877 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_X86_LINUX,
878 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_LINUX \
879 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_LINUX)
880 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_AMD64_LINUX,
881 test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_LINUX)
882 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_PPC32_LINUX,
883 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC32_LINUX \
884 -o x$VGCONF_PLATFORM_SEC_CAPS = xPPC32_LINUX)
885 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_PPC64BE_LINUX,
886 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC64BE_LINUX)
887 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_PPC64LE_LINUX,
888 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC64LE_LINUX)
889 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_ARM_LINUX,
890 test x$VGCONF_PLATFORM_PRI_CAPS = xARM_LINUX \
891 -o x$VGCONF_PLATFORM_SEC_CAPS = xARM_LINUX)
892 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_ARM64_LINUX,
893 test x$VGCONF_PLATFORM_PRI_CAPS = xARM64_LINUX)
894 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_S390X_LINUX,
895 test x$VGCONF_PLATFORM_PRI_CAPS = xS390X_LINUX \
896 -o x$VGCONF_PLATFORM_SEC_CAPS = xS390X_LINUX)
897 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_MIPS32_LINUX,
898 test x$VGCONF_PLATFORM_PRI_CAPS = xMIPS32_LINUX \
899 -o x$VGCONF_PLATFORM_SEC_CAPS = xMIPS32_LINUX)
900 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_MIPS64_LINUX,
901 test x$VGCONF_PLATFORM_PRI_CAPS = xMIPS64_LINUX)
902 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_X86_DARWIN,
903 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_DARWIN \
904 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_DARWIN)
905 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_AMD64_DARWIN,
906 test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_DARWIN)
907 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_X86_SOLARIS,
908 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_SOLARIS \
909 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_SOLARIS)
910 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_AMD64_SOLARIS,
911 test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_SOLARIS)
914 # Similarly, set up VGCONF_OS_IS_<os>. Exactly one of these becomes defined.
915 # Relies on the assumption that the primary and secondary targets are
916 # for the same OS, so therefore only necessary to test the primary.
917 AM_CONDITIONAL(VGCONF_OS_IS_LINUX,
918 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_LINUX \
919 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_LINUX \
920 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC32_LINUX \
921 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC64BE_LINUX \
922 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC64LE_LINUX \
923 -o x$VGCONF_PLATFORM_PRI_CAPS = xARM_LINUX \
924 -o x$VGCONF_PLATFORM_PRI_CAPS = xARM64_LINUX \
925 -o x$VGCONF_PLATFORM_PRI_CAPS = xS390X_LINUX \
926 -o x$VGCONF_PLATFORM_PRI_CAPS = xMIPS32_LINUX \
927 -o x$VGCONF_PLATFORM_PRI_CAPS = xMIPS64_LINUX)
928 AM_CONDITIONAL(VGCONF_OS_IS_DARWIN,
929 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_DARWIN \
930 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_DARWIN)
931 AM_CONDITIONAL(VGCONF_OS_IS_SOLARIS,
932 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_SOLARIS \
933 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_SOLARIS)
936 # Sometimes, in the Makefile.am files, it's useful to know whether or not
937 # there is a secondary target.
938 AM_CONDITIONAL(VGCONF_HAVE_PLATFORM_SEC,
939 test x$VGCONF_PLATFORM_SEC_CAPS != x)
941 dnl automake-1.10 does not have AM_COND_IF (added in 1.11), so we supply a
942 dnl fallback definition
943 dnl The macro is courtesy of Dave Hart:
944 dnl https://lists.gnu.org/archive/html/automake/2010-12/msg00045.html
945 m4_ifndef([AM_COND_IF], [AC_DEFUN([AM_COND_IF], [
946 if test -z "$$1_TRUE"; then :
947 m4_n([$2])[]dnl
948 m4_ifval([$3],
949 [else
950 $3
951 ])dnl
952 fi[]dnl
953 ])])
955 #----------------------------------------------------------------------------
956 # Inner Valgrind?
957 #----------------------------------------------------------------------------
959 # Check if this should be built as an inner Valgrind, to be run within
960 # another Valgrind. Choose the load address accordingly.
961 AC_SUBST(VALT_LOAD_ADDRESS_PRI)
962 AC_SUBST(VALT_LOAD_ADDRESS_SEC)
963 AC_CACHE_CHECK([for use as an inner Valgrind], vg_cv_inner,
964 [AC_ARG_ENABLE(inner,
965 [ --enable-inner enables self-hosting],
966 [vg_cv_inner=$enableval],
967 [vg_cv_inner=no])])
968 if test "$vg_cv_inner" = yes; then
969 AC_DEFINE([ENABLE_INNER], 1, [configured to run as an inner Valgrind])
970 VALT_LOAD_ADDRESS_PRI=$valt_load_address_pri_inner
971 VALT_LOAD_ADDRESS_SEC=$valt_load_address_sec_inner
972 else
973 VALT_LOAD_ADDRESS_PRI=$valt_load_address_pri_norml
974 VALT_LOAD_ADDRESS_SEC=$valt_load_address_sec_norml
975 fi
977 #----------------------------------------------------------------------------
978 # Undefined behaviour sanitiser
979 #----------------------------------------------------------------------------
980 # Check whether we should build with the undefined beahviour sanitiser.
982 AC_CACHE_CHECK([for using the undefined behaviour sanitiser], vg_cv_ubsan,
983 [AC_ARG_ENABLE(ubsan,
984 [ --enable-ubsan enables the undefined behaviour sanitiser],
985 [vg_cv_ubsan=$enableval],
986 [vg_cv_ubsan=no])])
988 #----------------------------------------------------------------------------
989 # Extra fine-tuning of installation directories
990 #----------------------------------------------------------------------------
991 AC_ARG_WITH(tmpdir,
992 [ --with-tmpdir=PATH Specify path for temporary files],
993 tmpdir="$withval",
994 tmpdir="/tmp")
995 AC_DEFINE_UNQUOTED(VG_TMPDIR, "$tmpdir", [Temporary files directory])
996 AC_SUBST(VG_TMPDIR, [$tmpdir])
999 #----------------------------------------------------------------------------
1000 # Libc and suppressions
1001 #----------------------------------------------------------------------------
1002 # This variable will collect the suppression files to be used.
1003 AC_SUBST(DEFAULT_SUPP)
1005 AC_CHECK_HEADER([features.h])
1007 if test x$ac_cv_header_features_h = xyes; then
1008 rm -f conftest.$ac_ext
1009 cat <<_ACEOF >conftest.$ac_ext
1010 #include <features.h>
1011 #if defined(__GNU_LIBRARY__) && defined(__GLIBC__) && defined(__GLIBC_MINOR__)
1012 glibc version is: __GLIBC__ __GLIBC_MINOR__
1013 #endif
1014 _ACEOF
1015 GLIBC_VERSION="`$CPP -P conftest.$ac_ext | $SED -n 's/^glibc version is: //p' | $SED 's/ /./g'`"
1016 fi
1018 # not really a version check
1019 AC_EGREP_CPP([DARWIN_LIBC], [
1020 #include <sys/cdefs.h>
1021 #if defined(__DARWIN_VERS_1050)
1022 DARWIN_LIBC
1023 #endif
1024 ],
1025 GLIBC_VERSION="darwin")
1027 # not really a version check
1028 AC_EGREP_CPP([BIONIC_LIBC], [
1029 #if defined(__ANDROID__)
1030 BIONIC_LIBC
1031 #endif
1032 ],
1033 GLIBC_VERSION="bionic")
1035 # there is only one version of libc on Solaris
1036 if test x$VGCONF_PLATFORM_PRI_CAPS = xX86_SOLARIS \
1037 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_SOLARIS; then
1038 GLIBC_VERSION="solaris"
1039 fi
1041 # GLIBC_VERSION is empty if a musl libc is used, so use the toolchain tuple
1042 # in this case.
1043 if test x$GLIBC_VERSION = x; then
1044 if $CC -dumpmachine | grep -q musl; then
1045 GLIBC_VERSION=musl
1046 fi
1047 fi
1049 AC_MSG_CHECKING([the glibc version])
1051 case "${GLIBC_VERSION}" in
1052 2.2)
1053 AC_MSG_RESULT(${GLIBC_VERSION} family)
1054 DEFAULT_SUPP="glibc-2.2.supp ${DEFAULT_SUPP}"
1055 DEFAULT_SUPP="glibc-2.2-LinuxThreads-helgrind.supp ${DEFAULT_SUPP}"
1056 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
1057 ;;
1058 2.[[3-6]])
1059 AC_MSG_RESULT(${GLIBC_VERSION} family)
1060 DEFAULT_SUPP="glibc-${GLIBC_VERSION}.supp ${DEFAULT_SUPP}"
1061 DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
1062 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
1063 ;;
1064 2.[[7-9]])
1065 AC_MSG_RESULT(${GLIBC_VERSION} family)
1066 DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}"
1067 DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
1068 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
1069 ;;
1070 2.10|2.11)
1071 AC_MSG_RESULT(${GLIBC_VERSION} family)
1072 AC_DEFINE([GLIBC_MANDATORY_STRLEN_REDIRECT], 1,
1073 [Define to 1 if strlen() has been optimized heavily (amd64 glibc >= 2.10)])
1074 DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}"
1075 DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
1076 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
1077 ;;
1078 2.*)
1079 AC_MSG_RESULT(${GLIBC_VERSION} family)
1080 AC_DEFINE([GLIBC_MANDATORY_STRLEN_REDIRECT], 1,
1081 [Define to 1 if strlen() has been optimized heavily (amd64 glibc >= 2.10)])
1082 AC_DEFINE([GLIBC_MANDATORY_INDEX_AND_STRLEN_REDIRECT], 1,
1083 [Define to 1 if index() and strlen() have been optimized heavily (x86 glibc >= 2.12)])
1084 DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}"
1085 DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
1086 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
1087 ;;
1088 darwin)
1089 AC_MSG_RESULT(Darwin)
1090 AC_DEFINE([DARWIN_LIBC], 1, [Define to 1 if you're using Darwin])
1091 # DEFAULT_SUPP set by kernel version check above.
1092 ;;
1093 bionic)
1094 AC_MSG_RESULT(Bionic)
1095 AC_DEFINE([BIONIC_LIBC], 1, [Define to 1 if you're using Bionic])
1096 DEFAULT_SUPP="bionic.supp ${DEFAULT_SUPP}"
1097 ;;
1098 solaris)
1099 AC_MSG_RESULT(Solaris)
1100 # DEFAULT_SUPP set in host_os switch-case above.
1101 # No other suppression file is used.
1102 ;;
1103 musl)
1104 AC_MSG_RESULT(Musl)
1105 AC_DEFINE([MUSL_LIBC], 1, [Define to 1 if you're using Musl libc])
1106 # no DEFAULT_SUPP file yet for musl libc.
1107 ;;
1108 2.0|2.1|*)
1109 AC_MSG_RESULT([unsupported version ${GLIBC_VERSION}])
1110 AC_MSG_ERROR([Valgrind requires glibc version 2.2 or later, uClibc,])
1111 AC_MSG_ERROR([musl libc, Darwin libc, Bionic libc or Solaris libc])
1112 ;;
1113 esac
1115 AC_SUBST(GLIBC_VERSION)
1118 if test "$VGCONF_OS" != "solaris"; then
1119 # Add default suppressions for the X client libraries. Make no
1120 # attempt to detect whether such libraries are installed on the
1121 # build machine (or even if any X facilities are present); just
1122 # add the suppressions antidisirregardless.
1123 DEFAULT_SUPP="xfree-4.supp ${DEFAULT_SUPP}"
1124 DEFAULT_SUPP="xfree-3.supp ${DEFAULT_SUPP}"
1126 # Add glibc and X11 suppressions for exp-sgcheck
1127 DEFAULT_SUPP="exp-sgcheck.supp ${DEFAULT_SUPP}"
1128 fi
1131 #----------------------------------------------------------------------------
1132 # Platform variants?
1133 #----------------------------------------------------------------------------
1135 # Normally the PLAT = (ARCH, OS) characterisation of the platform is enough.
1136 # But there are times where we need a bit more control. The motivating
1137 # and currently only case is Android: this is almost identical to
1138 # {x86,arm,mips}-linux, but not quite. So this introduces the concept of
1139 # platform variant tags, which get passed in the compile as
1140 # -DVGPV_<arch>_<os>_<variant> along with the main -DVGP_<arch>_<os> definition.
1141 #
1142 # In almost all cases, the <variant> bit is "vanilla". But for Android
1143 # it is "android" instead.
1144 #
1145 # Consequently (eg), plain arm-linux would build with
1146 #
1147 # -DVGP_arm_linux -DVGPV_arm_linux_vanilla
1148 #
1149 # whilst an Android build would have
1150 #
1151 # -DVGP_arm_linux -DVGPV_arm_linux_android
1152 #
1153 # Same for x86. The setup of the platform variant is pushed relatively far
1154 # down this file in order that we can inspect any of the variables set above.
1156 # In the normal case ..
1157 VGCONF_PLATVARIANT="vanilla"
1159 # Android ?
1160 if test "$GLIBC_VERSION" = "bionic";
1161 then
1162 VGCONF_PLATVARIANT="android"
1163 fi
1165 AC_SUBST(VGCONF_PLATVARIANT)
1168 # FIXME: do we also want to define automake variables
1169 # VGCONF_PLATVARIANT_IS_<WHATEVER>, where WHATEVER is (currently)
1170 # VANILLA or ANDROID ? This would be in the style of VGCONF_ARCHS_INCLUDE,
1171 # VGCONF_PLATFORMS_INCLUDE and VGCONF_OS_IS above? Could easily enough
1172 # do that. Problem is that we can't do and-ing in Makefile.am's, but
1173 # that's what we'd need to do to use this, since what we'd want to write
1174 # is something like
1175 #
1176 # VGCONF_PLATFORMS_INCLUDE_ARM_LINUX && VGCONF_PLATVARIANT_IS_ANDROID
1177 #
1178 # Hmm. Can't think of a nice clean solution to this.
1180 AM_CONDITIONAL(VGCONF_PLATVARIANT_IS_VANILLA,
1181 test x$VGCONF_PLATVARIANT = xvanilla)
1182 AM_CONDITIONAL(VGCONF_PLATVARIANT_IS_ANDROID,
1183 test x$VGCONF_PLATVARIANT = xandroid)
1186 #----------------------------------------------------------------------------
1187 # Checking for various library functions and other definitions
1188 #----------------------------------------------------------------------------
1190 # Check for AT_FDCWD
1192 AC_MSG_CHECKING([for AT_FDCWD])
1193 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1194 #define _GNU_SOURCE
1195 #include <fcntl.h>
1196 #include <unistd.h>
1197 ]], [[
1198 int a = AT_FDCWD;
1199 ]])], [
1200 ac_have_at_fdcwd=yes
1201 AC_MSG_RESULT([yes])
1202 ], [
1203 ac_have_at_fdcwd=no
1204 AC_MSG_RESULT([no])
1205 ])
1207 AM_CONDITIONAL([HAVE_AT_FDCWD], [test x$ac_have_at_fdcwd = xyes])
1209 # Check for stpncpy function definition in string.h
1210 # This explicitly checks with _GNU_SOURCE defined since that is also
1211 # used in the test case (some systems might define it without anyway
1212 # since stpncpy is part of The Open Group Base Specifications Issue 7
1213 # IEEE Std 1003.1-2008.
1214 AC_MSG_CHECKING([for stpncpy])
1215 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1216 #define _GNU_SOURCE
1217 #include <string.h>
1218 ]], [[
1219 char *d;
1220 char *s;
1221 size_t n = 0;
1222 char *r = stpncpy(d, s, n);
1223 ]])], [
1224 ac_have_gnu_stpncpy=yes
1225 AC_MSG_RESULT([yes])
1226 ], [
1227 ac_have_gnu_stpncpy=no
1228 AC_MSG_RESULT([no])
1229 ])
1231 AM_CONDITIONAL([HAVE_GNU_STPNCPY], [test x$ac_have_gnu_stpncpy = xyes])
1233 # Check for PTRACE_GETREGS
1235 AC_MSG_CHECKING([for PTRACE_GETREGS])
1236 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1237 #include <stdlib.h>
1238 #include <stddef.h>
1239 #include <sys/ptrace.h>
1240 #include <sys/user.h>
1241 ]], [[
1242 void *p;
1243 long res = ptrace (PTRACE_GETREGS, 0, p, p);
1244 ]])], [
1245 AC_MSG_RESULT([yes])
1246 AC_DEFINE([HAVE_PTRACE_GETREGS], 1,
1247 [Define to 1 if you have the `PTRACE_GETREGS' ptrace request.])
1248 ], [
1249 AC_MSG_RESULT([no])
1250 ])
1253 # Check for CLOCK_MONOTONIC
1255 AC_MSG_CHECKING([for CLOCK_MONOTONIC])
1257 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1258 #include <time.h>
1259 ]], [[
1260 struct timespec t;
1261 clock_gettime(CLOCK_MONOTONIC, &t);
1262 return 0;
1263 ]])], [
1264 AC_MSG_RESULT([yes])
1265 AC_DEFINE([HAVE_CLOCK_MONOTONIC], 1,
1266 [Define to 1 if you have the `CLOCK_MONOTONIC' constant.])
1267 ], [
1268 AC_MSG_RESULT([no])
1269 ])
1272 # Check for ELF32/64_CHDR
1274 AC_CHECK_TYPES([Elf32_Chdr, Elf64_Chdr], [], [], [[#include <elf.h>]])
1277 # Check for PTHREAD_RWLOCK_T
1279 AC_MSG_CHECKING([for pthread_rwlock_t])
1281 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1282 #define _GNU_SOURCE
1283 #include <pthread.h>
1284 ]], [[
1285 pthread_rwlock_t rwl;
1286 ]])], [
1287 AC_MSG_RESULT([yes])
1288 AC_DEFINE([HAVE_PTHREAD_RWLOCK_T], 1,
1289 [Define to 1 if you have the `pthread_rwlock_t' type.])
1290 ], [
1291 AC_MSG_RESULT([no])
1292 ])
1295 # Check for PTHREAD_MUTEX_ADAPTIVE_NP
1297 AC_MSG_CHECKING([for PTHREAD_MUTEX_ADAPTIVE_NP])
1299 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1300 #define _GNU_SOURCE
1301 #include <pthread.h>
1302 ]], [[
1303 return (PTHREAD_MUTEX_ADAPTIVE_NP);
1304 ]])], [
1305 AC_MSG_RESULT([yes])
1306 AC_DEFINE([HAVE_PTHREAD_MUTEX_ADAPTIVE_NP], 1,
1307 [Define to 1 if you have the `PTHREAD_MUTEX_ADAPTIVE_NP' constant.])
1308 ], [
1309 AC_MSG_RESULT([no])
1310 ])
1313 # Check for PTHREAD_MUTEX_ERRORCHECK_NP
1315 AC_MSG_CHECKING([for PTHREAD_MUTEX_ERRORCHECK_NP])
1317 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1318 #define _GNU_SOURCE
1319 #include <pthread.h>
1320 ]], [[
1321 return (PTHREAD_MUTEX_ERRORCHECK_NP);
1322 ]])], [
1323 AC_MSG_RESULT([yes])
1324 AC_DEFINE([HAVE_PTHREAD_MUTEX_ERRORCHECK_NP], 1,
1325 [Define to 1 if you have the `PTHREAD_MUTEX_ERRORCHECK_NP' constant.])
1326 ], [
1327 AC_MSG_RESULT([no])
1328 ])
1331 # Check for PTHREAD_MUTEX_RECURSIVE_NP
1333 AC_MSG_CHECKING([for PTHREAD_MUTEX_RECURSIVE_NP])
1335 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1336 #define _GNU_SOURCE
1337 #include <pthread.h>
1338 ]], [[
1339 return (PTHREAD_MUTEX_RECURSIVE_NP);
1340 ]])], [
1341 AC_MSG_RESULT([yes])
1342 AC_DEFINE([HAVE_PTHREAD_MUTEX_RECURSIVE_NP], 1,
1343 [Define to 1 if you have the `PTHREAD_MUTEX_RECURSIVE_NP' constant.])
1344 ], [
1345 AC_MSG_RESULT([no])
1346 ])
1349 # Check for PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP
1351 AC_MSG_CHECKING([for PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP])
1353 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1354 #define _GNU_SOURCE
1355 #include <pthread.h>
1356 ]], [[
1357 pthread_mutex_t m = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
1358 return 0;
1359 ]])], [
1360 AC_MSG_RESULT([yes])
1361 AC_DEFINE([HAVE_PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP], 1,
1362 [Define to 1 if you have the `PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP' constant.])
1363 ], [
1364 AC_MSG_RESULT([no])
1365 ])
1368 # Check whether pthread_mutex_t has a member called __m_kind.
1370 AC_CHECK_MEMBER([pthread_mutex_t.__m_kind],
1371 [AC_DEFINE([HAVE_PTHREAD_MUTEX_T__M_KIND],
1372 1,
1373 [Define to 1 if pthread_mutex_t has a member called __m_kind.])
1374 ],
1375 [],
1376 [#include <pthread.h>])
1379 # Check whether pthread_mutex_t has a member called __data.__kind.
1381 AC_CHECK_MEMBER([pthread_mutex_t.__data.__kind],
1382 [AC_DEFINE([HAVE_PTHREAD_MUTEX_T__DATA__KIND],
1383 1,
1384 [Define to 1 if pthread_mutex_t has a member __data.__kind.])
1385 ],
1386 [],
1387 [#include <pthread.h>])
1389 # Convenience function. Set flags based on the existing HWCAP entries.
1390 # The AT_HWCAP entries are generated by glibc, and are based on
1391 # functions supported by the hardware/system/libc.
1392 # Subsequent support for whether the capability will actually be utilized
1393 # will also be checked against the compiler capabilities.
1394 # called as
1395 # AC_HWCAP_CONTAINS_FLAG[hwcap_string_to_match],[VARIABLE_TO_SET]
1396 AC_DEFUN([AC_HWCAP_CONTAINS_FLAG],[
1397 AUXV_CHECK_FOR=$1
1398 AC_MSG_CHECKING([if AT_HWCAP contains the $AUXV_CHECK_FOR indicator])
1399 if LD_SHOW_AUXV=1 `which true` | grep ^AT_HWCAP | grep -q -w ${AUXV_CHECK_FOR}
1400 then
1401 AC_MSG_RESULT([yes])
1402 AC_SUBST([$2],[yes])
1403 else
1404 AC_MSG_RESULT([no])
1405 AC_SUBST([$2],[])
1406 fi
1407 ])
1409 # gather hardware capabilities. (hardware/kernel/libc)
1410 AC_HWCAP_CONTAINS_FLAG([altivec],[HWCAP_HAS_ALTIVEC])
1411 AC_HWCAP_CONTAINS_FLAG([vsx],[HWCAP_HAS_VSX])
1412 AC_HWCAP_CONTAINS_FLAG([dfp],[HWCAP_HAS_DFP])
1413 AC_HWCAP_CONTAINS_FLAG([arch_2_05],[HWCAP_HAS_ISA_2_05])
1414 AC_HWCAP_CONTAINS_FLAG([arch_2_06],[HWCAP_HAS_ISA_2_06])
1415 AC_HWCAP_CONTAINS_FLAG([arch_2_07],[HWCAP_HAS_ISA_2_07])
1416 AC_HWCAP_CONTAINS_FLAG([arch_3_00],[HWCAP_HAS_ISA_3_00])
1417 AC_HWCAP_CONTAINS_FLAG([htm],[HWCAP_HAS_HTM])
1419 # ISA Levels
1420 AM_CONDITIONAL(HAS_ISA_2_05, [test x$HWCAP_HAS_ISA_2_05 = xyes])
1421 AM_CONDITIONAL(HAS_ISA_2_06, [test x$HWCAP_HAS_ISA_2_06 = xyes])
1422 # compiler support for isa 2.07 level instructions
1423 AC_MSG_CHECKING([that assembler knows ISA 2.07 instructions ])
1424 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1425 ]], [[
1426 __asm__ __volatile__("mtvsrd 1,2 ");
1427 ]])], [
1428 ac_asm_have_isa_2_07=yes
1429 AC_MSG_RESULT([yes])
1430 ], [
1431 ac_asm_have_isa_2_07=no
1432 AC_MSG_RESULT([no])
1433 ])
1434 AM_CONDITIONAL(HAS_ISA_2_07, [test x$ac_asm_have_isa_2_07 = xyes \
1435 -a x$HWCAP_HAS_ISA_2_07 = xyes])
1437 # altivec (vsx) support.
1438 # does this compiler support -maltivec and does it have the include file
1439 # <altivec.h> ?
1440 AC_MSG_CHECKING([for Altivec support in the compiler ])
1441 safe_CFLAGS=$CFLAGS
1442 CFLAGS="-maltivec -Werror"
1443 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1444 #include <altivec.h>
1445 ]], [[
1446 vector unsigned int v;
1447 ]])], [
1448 ac_have_altivec=yes
1449 AC_MSG_RESULT([yes])
1450 ], [
1451 ac_have_altivec=no
1452 AC_MSG_RESULT([no])
1453 ])
1454 CFLAGS=$safe_CFLAGS
1455 AM_CONDITIONAL([HAS_ALTIVEC], [test x$ac_have_altivec = xyes \
1456 -a x$HWCAP_HAS_ALTIVEC = xyes])
1458 # Check that both: the compiler supports -mvsx and that the assembler
1459 # understands VSX instructions. If either of those doesn't work,
1460 # conclude that we can't do VSX.
1461 AC_MSG_CHECKING([for VSX compiler flag support])
1462 safe_CFLAGS=$CFLAGS
1463 CFLAGS="-mvsx -Werror"
1464 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1465 ]], [[
1466 ]])], [
1467 ac_compiler_supports_vsx_flag=yes
1468 AC_MSG_RESULT([yes])
1469 ], [
1470 ac_compiler_supports_vsx_flag=no
1471 AC_MSG_RESULT([no])
1472 ])
1473 CFLAGS=$safe_CFLAGS
1475 AC_MSG_CHECKING([for VSX support in the assembler ])
1476 safe_CFLAGS=$CFLAGS
1477 CFLAGS="-mvsx -Werror"
1478 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1479 #include <altivec.h>
1480 ]], [[
1481 vector unsigned int v;
1482 __asm__ __volatile__("xsmaddadp 32, 32, 33" ::: "memory","cc");
1483 ]])], [
1484 ac_compiler_supports_vsx=yes
1485 AC_MSG_RESULT([yes])
1486 ], [
1487 ac_compiler_supports_vsx=no
1488 AC_MSG_RESULT([no])
1489 ])
1490 CFLAGS=$safe_CFLAGS
1491 AM_CONDITIONAL([HAS_VSX], [test x$ac_compiler_supports_vsx_flag = xyes \
1492 -a x$ac_compiler_supports_vsx = xyes \
1493 -a x$HWCAP_HAS_VSX = xyes ])
1495 # DFP (Decimal Float)
1496 AC_MSG_CHECKING([that assembler knows DFP])
1497 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1498 ]], [[
1499 #ifdef __s390__
1500 __asm__ __volatile__("adtr 1, 2, 3")
1501 #else
1502 __asm__ __volatile__("dadd 1, 2, 3");
1503 __asm__ __volatile__("dcffix 1, 2");
1504 #endif
1505 ]])], [
1506 ac_asm_have_dfp=yes
1507 AC_MSG_RESULT([yes])
1508 ], [
1509 ac_asm_have_dfp=no
1510 AC_MSG_RESULT([no])
1511 ])
1512 AC_MSG_CHECKING([that compiler knows -mhard-dfp switch])
1513 safe_CFLAGS=$CFLAGS
1514 CFLAGS="-mhard-dfp -Werror"
1515 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1516 ]], [[
1517 #ifdef __s390__
1518 __asm__ __volatile__("adtr 1, 2, 3")
1519 #else
1520 __asm__ __volatile__("dadd 1, 2, 3");
1521 __asm__ __volatile__("dcffix 1, 2");
1522 #endif
1523 ]])], [
1524 ac_compiler_have_dfp=yes
1525 AC_MSG_RESULT([yes])
1526 ], [
1527 ac_compiler_have_dfp=no
1528 AC_MSG_RESULT([no])
1529 ])
1530 CFLAGS=$safe_CFLAGS
1531 AM_CONDITIONAL(HAS_DFP, test x$ac_asm_have_dfp = xyes \
1532 -a x$ac_compiler_have_dfp = xyes \
1533 -a x$HWCAP_HAS_DFP = xyes )
1535 AC_MSG_CHECKING([that compiler knows DFP datatypes])
1536 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1537 ]], [[
1538 _Decimal64 x = 0.0DD;
1539 ]])], [
1540 ac_compiler_have_dfp_type=yes
1541 AC_MSG_RESULT([yes])
1542 ], [
1543 ac_compiler_have_dfp_type=no
1544 AC_MSG_RESULT([no])
1545 ])
1546 AM_CONDITIONAL(BUILD_DFP_TESTS, test x$ac_compiler_have_dfp_type = xyes \
1547 -a x$HWCAP_HAS_DFP = xyes )
1550 # HTM (Hardware Transactional Memory)
1551 AC_MSG_CHECKING([if compiler accepts the -mhtm flag])
1552 safe_CFLAGS=$CFLAGS
1553 CFLAGS="-mhtm -Werror"
1554 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1555 ]], [[
1556 return 0;
1557 ]])], [
1558 AC_MSG_RESULT([yes])
1559 ac_compiler_supports_htm=yes
1560 ], [
1561 AC_MSG_RESULT([no])
1562 ac_compiler_supports_htm=no
1563 ])
1564 CFLAGS=$safe_CFLAGS
1566 AC_MSG_CHECKING([if compiler can find the htm builtins])
1567 safe_CFLAGS=$CFLAGS
1568 CFLAGS="-mhtm -Werror"
1569 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1570 ]], [[
1571 if (__builtin_tbegin (0))
1572 __builtin_tend (0);
1573 ]])], [
1574 AC_MSG_RESULT([yes])
1575 ac_compiler_sees_htm_builtins=yes
1576 ], [
1577 AC_MSG_RESULT([no])
1578 ac_compiler_sees_htm_builtins=no
1579 ])
1580 CFLAGS=$safe_CFLAGS
1582 AM_CONDITIONAL(SUPPORTS_HTM, test x$ac_compiler_supports_htm = xyes \
1583 -a x$ac_compiler_sees_htm_builtins = xyes \
1584 -a x$HWCAP_HAS_HTM = xyes )
1586 # isa 3.0 checking
1587 AC_MSG_CHECKING([that assembler knows ISA 3.00 ])
1589 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1590 ]], [[
1591 __asm__ __volatile__("cnttzw 1,2 ");
1592 ]])], [
1593 ac_asm_have_isa_3_00=yes
1594 AC_MSG_RESULT([yes])
1595 ], [
1596 ac_asm_have_isa_3_00=no
1597 AC_MSG_RESULT([no])
1598 ])
1600 AM_CONDITIONAL(HAS_ISA_3_00, [test x$ac_asm_have_isa_3_00 = xyes \
1601 -a x$HWCAP_HAS_ISA_3_00 = xyes])
1603 # Check for pthread_create@GLIBC2.0
1604 AC_MSG_CHECKING([for pthread_create@GLIBC2.0()])
1606 safe_CFLAGS=$CFLAGS
1607 CFLAGS="-lpthread -Werror"
1608 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1609 extern int pthread_create_glibc_2_0(void*, const void*,
1610 void *(*)(void*), void*);
1611 __asm__(".symver pthread_create_glibc_2_0, pthread_create@GLIBC_2.0");
1612 ]], [[
1613 #ifdef __powerpc__
1614 /*
1615 * Apparently on PowerPC linking this program succeeds and generates an
1616 * executable with the undefined symbol pthread_create@GLIBC_2.0.
1617 */
1618 #error This test does not work properly on PowerPC.
1619 #else
1620 pthread_create_glibc_2_0(0, 0, 0, 0);
1621 #endif
1622 return 0;
1623 ]])], [
1624 ac_have_pthread_create_glibc_2_0=yes
1625 AC_MSG_RESULT([yes])
1626 AC_DEFINE([HAVE_PTHREAD_CREATE_GLIBC_2_0], 1,
1627 [Define to 1 if you have the `pthread_create@glibc2.0' function.])
1628 ], [
1629 ac_have_pthread_create_glibc_2_0=no
1630 AC_MSG_RESULT([no])
1631 ])
1632 CFLAGS=$safe_CFLAGS
1634 AM_CONDITIONAL(HAVE_PTHREAD_CREATE_GLIBC_2_0,
1635 test x$ac_have_pthread_create_glibc_2_0 = xyes)
1638 # Check for dlinfo RTLD_DI_TLS_MODID
1639 AC_MSG_CHECKING([for dlinfo RTLD_DI_TLS_MODID])
1641 safe_LIBS="$LIBS"
1642 LIBS="-ldl"
1643 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1644 #ifndef _GNU_SOURCE
1645 #define _GNU_SOURCE
1646 #endif
1647 #include <link.h>
1648 #include <dlfcn.h>
1649 ]], [[
1650 size_t sizes[10000];
1651 size_t modid_offset;
1652 (void) dlinfo ((void*)sizes, RTLD_DI_TLS_MODID, &modid_offset);
1653 return 0;
1654 ]])], [
1655 ac_have_dlinfo_rtld_di_tls_modid=yes
1656 AC_MSG_RESULT([yes])
1657 AC_DEFINE([HAVE_DLINFO_RTLD_DI_TLS_MODID], 1,
1658 [Define to 1 if you have a dlinfo that can do RTLD_DI_TLS_MODID.])
1659 ], [
1660 ac_have_dlinfo_rtld_di_tls_modid=no
1661 AC_MSG_RESULT([no])
1662 ])
1663 LIBS=$safe_LIBS
1665 AM_CONDITIONAL(HAVE_DLINFO_RTLD_DI_TLS_MODID,
1666 test x$ac_have_dlinfo_rtld_di_tls_modid = xyes)
1669 # Check for eventfd_t, eventfd() and eventfd_read()
1670 AC_MSG_CHECKING([for eventfd()])
1672 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1673 #include <sys/eventfd.h>
1674 ]], [[
1675 eventfd_t ev;
1676 int fd;
1678 fd = eventfd(5, 0);
1679 eventfd_read(fd, &ev);
1680 return 0;
1681 ]])], [
1682 AC_MSG_RESULT([yes])
1683 AC_DEFINE([HAVE_EVENTFD], 1,
1684 [Define to 1 if you have the `eventfd' function.])
1685 AC_DEFINE([HAVE_EVENTFD_READ], 1,
1686 [Define to 1 if you have the `eventfd_read' function.])
1687 ], [
1688 AC_MSG_RESULT([no])
1689 ])
1691 # Check whether compiler can process #include <thread> without errors
1692 # clang 3.3 cannot process <thread> from e.g.
1693 # gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3
1695 AC_MSG_CHECKING([that C++ compiler can include <thread> header file])
1696 AC_LANG(C++)
1697 safe_CXXFLAGS=$CXXFLAGS
1698 CXXFLAGS=-std=c++0x
1700 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
1701 #include <thread>
1702 ])],
1703 [
1704 ac_cxx_can_include_thread_header=yes
1705 AC_MSG_RESULT([yes])
1706 ], [
1707 ac_cxx_can_include_thread_header=no
1708 AC_MSG_RESULT([no])
1709 ])
1710 CXXFLAGS=$safe_CXXFLAGS
1711 AC_LANG(C)
1713 AM_CONDITIONAL(CXX_CAN_INCLUDE_THREAD_HEADER, test x$ac_cxx_can_include_thread_header = xyes)
1716 # On aarch64 before glibc 2.20 we would get the kernel user_pt_regs instead
1717 # of the user_regs_struct from sys/user.h. They are structurally the same
1718 # but we get either one or the other.
1720 AC_CHECK_TYPE([struct user_regs_struct],
1721 [sys_user_has_user_regs=yes], [sys_user_has_user_regs=no],
1722 [[#include <sys/ptrace.h>]
1723 [#include <sys/time.h>]
1724 [#include <sys/user.h>]])
1725 if test "$sys_user_has_user_regs" = "yes"; then
1726 AC_DEFINE(HAVE_SYS_USER_REGS, 1,
1727 [Define to 1 if <sys/user.h> defines struct user_regs_struct])
1728 fi
1730 AC_MSG_CHECKING([for __NR_membarrier])
1731 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1732 #include <linux/unistd.h>
1733 ]], [[
1734 return __NR_membarrier
1735 ]])], [
1736 ac_have_nr_membarrier=yes
1737 AC_MSG_RESULT([yes])
1738 ], [
1739 ac_have_nr_membarrier=no
1740 AC_MSG_RESULT([no])
1741 ])
1743 AM_CONDITIONAL(HAVE_NR_MEMBARRIER, [test x$ac_have_nr_membarrier = xyes])
1745 #----------------------------------------------------------------------------
1746 # Checking for supported compiler flags.
1747 #----------------------------------------------------------------------------
1749 case "${host_cpu}" in
1750 mips*)
1751 ARCH=$(echo "$CFLAGS" | grep -E -e '-march=@<:@^ @:>@+' -e '-mips@<:@^ +@:>@')
1752 if test -z "$ARCH"; then
1753 # does this compiler support -march=mips32 (mips32 default) ?
1754 AC_MSG_CHECKING([if gcc accepts -march=mips32 -mabi=32])
1756 safe_CFLAGS=$CFLAGS
1757 CFLAGS="$CFLAGS -mips32 -mabi=32 -Werror"
1759 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
1760 return 0;
1761 ]])], [
1762 FLAG_M32="-mips32 -mabi=32"
1763 AC_MSG_RESULT([yes])
1764 ], [
1765 FLAG_M32=""
1766 AC_MSG_RESULT([no])
1767 ])
1768 CFLAGS=$safe_CFLAGS
1770 AC_SUBST(FLAG_M32)
1773 # does this compiler support -march=mips64r2 (mips64r2 default) ?
1774 AC_MSG_CHECKING([if gcc accepts -march=mips64r2 -mabi=64])
1776 safe_CFLAGS=$CFLAGS
1777 CFLAGS="$CFLAGS -march=mips64r2 -mabi=64 -Werror"
1779 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
1780 return 0;
1781 ]])], [
1782 FLAG_M64="-march=mips64r2 -mabi=64"
1783 AC_MSG_RESULT([yes])
1784 ], [
1785 FLAG_M64=""
1786 AC_MSG_RESULT([no])
1787 ])
1788 CFLAGS=$safe_CFLAGS
1790 AC_SUBST(FLAG_M64)
1791 fi
1792 ;;
1793 *)
1794 # does this compiler support -m32 ?
1795 AC_MSG_CHECKING([if gcc accepts -m32])
1797 safe_CFLAGS=$CFLAGS
1798 CFLAGS="-m32 -Werror"
1800 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
1801 return 0;
1802 ]])], [
1803 FLAG_M32="-m32"
1804 AC_MSG_RESULT([yes])
1805 ], [
1806 FLAG_M32=""
1807 AC_MSG_RESULT([no])
1808 ])
1809 CFLAGS=$safe_CFLAGS
1811 AC_SUBST(FLAG_M32)
1814 # does this compiler support -m64 ?
1815 AC_MSG_CHECKING([if gcc accepts -m64])
1817 safe_CFLAGS=$CFLAGS
1818 CFLAGS="-m64 -Werror"
1820 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
1821 return 0;
1822 ]])], [
1823 FLAG_M64="-m64"
1824 AC_MSG_RESULT([yes])
1825 ], [
1826 FLAG_M64=""
1827 AC_MSG_RESULT([no])
1828 ])
1829 CFLAGS=$safe_CFLAGS
1831 AC_SUBST(FLAG_M64)
1832 ;;
1833 esac
1836 ARCH=$(echo "$CFLAGS" | grep -E -e '-march=@<:@^ @:>@+' -e '-mips@<:@^ +@:>@')
1837 if test -z "$ARCH"; then
1838 # does this compiler support -march=octeon (Cavium OCTEON I Specific) ?
1839 AC_MSG_CHECKING([if gcc accepts -march=octeon])
1841 safe_CFLAGS=$CFLAGS
1842 CFLAGS="$CFLAGS $FLAG_M64 -march=octeon -Werror"
1844 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
1845 return 0;
1846 ]])], [
1847 FLAG_OCTEON="-march=octeon"
1848 AC_MSG_RESULT([yes])
1849 ], [
1850 FLAG_OCTEON=""
1851 AC_MSG_RESULT([no])
1852 ])
1853 CFLAGS=$safe_CFLAGS
1855 AC_SUBST(FLAG_OCTEON)
1858 # does this compiler support -march=octeon2 (Cavium OCTEON II Specific) ?
1859 AC_MSG_CHECKING([if gcc accepts -march=octeon2])
1861 safe_CFLAGS=$CFLAGS
1862 CFLAGS="$CFLAGS $FLAG_M64 -march=octeon2 -Werror"
1864 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
1865 return 0;
1866 ]])], [
1867 FLAG_OCTEON2="-march=octeon2"
1868 AC_MSG_RESULT([yes])
1869 ], [
1870 FLAG_OCTEON2=""
1871 AC_MSG_RESULT([no])
1872 ])
1873 CFLAGS=$safe_CFLAGS
1875 AC_SUBST(FLAG_OCTEON2)
1876 fi
1879 # does this compiler support -mmsa (MIPS MSA ASE) ?
1880 AC_MSG_CHECKING([if gcc accepts -mmsa])
1882 safe_CFLAGS=$CFLAGS
1883 CFLAGS="$CFLAGS -mmsa -Werror"
1885 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
1886 return 0;
1887 ]])], [
1888 FLAG_MSA="-mmsa"
1889 AC_MSG_RESULT([yes])
1890 ], [
1891 FLAG_MSA=""
1892 AC_MSG_RESULT([no])
1893 ])
1894 CFLAGS=$safe_CFLAGS
1896 AC_SUBST(FLAG_MSA)
1898 # Are we compiling for the MIPS64 n32 ABI?
1899 AC_MSG_CHECKING([if gcc is producing mips n32 binaries])
1900 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
1901 #if !defined(_MIPS_SIM) || (defined(_MIPS_SIM) && (_MIPS_SIM != _ABIN32))
1902 #error NO
1903 #endif
1904 ]])], [
1905 VGCONF_ABI=N32
1906 FLAG_M64="-march=mips64r2 -mabi=n32"
1907 AC_MSG_RESULT([yes])
1908 ], [
1909 AC_MSG_RESULT([no])
1910 ])
1912 # Are we compiling for the MIPS64 n64 ABI?
1913 AC_MSG_CHECKING([if gcc is producing mips n64 binaries])
1914 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
1915 #if !defined(_MIPS_SIM) || (defined(_MIPS_SIM) && (_MIPS_SIM != _ABI64))
1916 #error NO
1917 #endif
1918 ]])], [
1919 VGCONF_ABI=64
1920 AC_MSG_RESULT([yes])
1921 ], [
1922 AC_MSG_RESULT([no])
1923 ])
1925 AM_CONDITIONAL([VGCONF_HAVE_ABI],
1926 [test x$VGCONF_ABI != x])
1927 AC_SUBST(VGCONF_ABI)
1930 # does this compiler support -mmmx ?
1931 AC_MSG_CHECKING([if gcc accepts -mmmx])
1933 safe_CFLAGS=$CFLAGS
1934 CFLAGS="-mmmx -Werror"
1936 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
1937 return 0;
1938 ]])], [
1939 FLAG_MMMX="-mmmx"
1940 AC_MSG_RESULT([yes])
1941 ], [
1942 FLAG_MMMX=""
1943 AC_MSG_RESULT([no])
1944 ])
1945 CFLAGS=$safe_CFLAGS
1947 AC_SUBST(FLAG_MMMX)
1950 # does this compiler support -msse ?
1951 AC_MSG_CHECKING([if gcc accepts -msse])
1953 safe_CFLAGS=$CFLAGS
1954 CFLAGS="-msse -Werror"
1956 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
1957 return 0;
1958 ]])], [
1959 FLAG_MSSE="-msse"
1960 AC_MSG_RESULT([yes])
1961 ], [
1962 FLAG_MSSE=""
1963 AC_MSG_RESULT([no])
1964 ])
1965 CFLAGS=$safe_CFLAGS
1967 AC_SUBST(FLAG_MSSE)
1970 # does this compiler support -mpreferred-stack-boundary=2 when
1971 # generating code for a 32-bit target? Note that we only care about
1972 # this when generating code for (32-bit) x86, so if the compiler
1973 # doesn't recognise -m32 it's no big deal. We'll just get code for
1974 # the Memcheck and other helper functions, that is a bit slower than
1975 # it could be, on x86; and no difference at all on any other platform.
1976 AC_MSG_CHECKING([if gcc accepts -mpreferred-stack-boundary=2 -m32])
1978 safe_CFLAGS=$CFLAGS
1979 CFLAGS="-mpreferred-stack-boundary=2 -m32 -Werror"
1981 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
1982 return 0;
1983 ]])], [
1984 PREFERRED_STACK_BOUNDARY_2="-mpreferred-stack-boundary=2"
1985 AC_MSG_RESULT([yes])
1986 ], [
1987 PREFERRED_STACK_BOUNDARY_2=""
1988 AC_MSG_RESULT([no])
1989 ])
1990 CFLAGS=$safe_CFLAGS
1992 AC_SUBST(PREFERRED_STACK_BOUNDARY_2)
1995 # does this compiler support -mlong-double-128 ?
1996 AC_MSG_CHECKING([if gcc accepts -mlong-double-128])
1997 safe_CFLAGS=$CFLAGS
1998 CFLAGS="-mlong-double-128 -Werror"
1999 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2000 return 0;
2001 ]])], [
2002 ac_compiler_supports_mlong_double_128=yes
2003 AC_MSG_RESULT([yes])
2004 ], [
2005 ac_compiler_supports_mlong_double_128=no
2006 AC_MSG_RESULT([no])
2007 ])
2008 CFLAGS=$safe_CFLAGS
2009 AM_CONDITIONAL(HAS_MLONG_DOUBLE_128, test x$ac_compiler_supports_mlong_double_128 = xyes)
2010 FLAG_MLONG_DOUBLE_128="-mlong-double-128"
2011 AC_SUBST(FLAG_MLONG_DOUBLE_128)
2013 # does this toolchain support lto ?
2014 # Not checked for if --enable-lto=no was given, or if LTO_AR or LTO_RANLIG
2015 # are not defined
2016 # If not enable-lto=* arg is provided, default to no, as lto builds are
2017 # a lot slower, and so not appropriate for Valgrind developments.
2018 # --enable-lto=yes should be used by distro packagers.
2019 AC_CACHE_CHECK([for using the link time optimisation], vg_cv_lto,
2020 [AC_ARG_ENABLE(lto,
2021 [ --enable-lto enables building with link time optimisation],
2022 [vg_cv_lto=$enableval],
2023 [vg_cv_lto=no])])
2025 if test "x${vg_cv_lto}" != "xno" -a "x${LTO_AR}" != "x" -a "x${LTO_RANLIB}" != "x"; then
2026 AC_MSG_CHECKING([if toolchain accepts lto])
2027 safe_CFLAGS=$CFLAGS
2028 TEST_LTO_CFLAGS="-flto -flto-partition=one -fuse-linker-plugin"
2029 # Note : using 'one' partition is giving a slightly smaller/faster memcheck
2030 # and ld/lto-trans1 still needs a reasonable memory (about 0.5GB) when linking.
2031 CFLAGS="$TEST_LTO_CFLAGS -Werror"
2033 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2034 extern void somefun(void);
2035 somefun();
2036 return 0;
2037 ]])], [
2038 LTO_CFLAGS=$TEST_LTO_CFLAGS
2039 AC_MSG_RESULT([yes])
2040 ], [
2041 LTO_CFLAGS=""
2042 AC_MSG_RESULT([no])
2043 ])
2044 CFLAGS=$safe_CFLAGS
2045 fi
2047 AC_SUBST(LTO_CFLAGS)
2049 # if we could not compile with lto args, or lto was disabled,
2050 # then set LTO_AR/LTO_RANLIB to the non lto values
2051 # define in config.h ENABLE_LTO (not needed by the code currently, but
2052 # this guarantees we recompile everything if we re-configure and rebuild
2053 # in a build dir previously build with another value of --enable-lto
2054 if test "x${LTO_CFLAGS}" = "x"; then
2055 LTO_AR=${AR}
2056 LTO_RANLIB=${RANLIB}
2057 vg_cv_lto=no
2058 else
2059 vg_cv_lto=yes
2060 AC_DEFINE([ENABLE_LTO], 1, [configured to build with lto link time optimisation])
2061 fi
2063 # Convenience function to check whether GCC supports a particular
2064 # warning option. Takes two arguments,
2065 # first the warning flag name to check (without -W), then the
2066 # substitution name to set with -Wno-warning-flag if the flag exists,
2067 # or the empty string if the compiler doesn't accept the flag. Note
2068 # that checking is done against the warning flag itself, but the
2069 # substitution is then done to cancel the warning flag.
2070 AC_DEFUN([AC_GCC_WARNING_SUBST_NO],[
2071 AC_MSG_CHECKING([if gcc accepts -W$1])
2072 safe_CFLAGS=$CFLAGS
2073 CFLAGS="-W$1 -Werror"
2074 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[;]])], [
2075 AC_SUBST([$2], [-Wno-$1])
2076 AC_MSG_RESULT([yes])], [
2077 AC_SUBST([$2], [])
2078 AC_MSG_RESULT([no])])
2079 CFLAGS=$safe_CFLAGS
2080 ])
2082 # Convenience function. Like AC_GCC_WARNING_SUBST_NO, except it substitutes
2083 # -W$1 (instead of -Wno-$1).
2084 AC_DEFUN([AC_GCC_WARNING_SUBST],[
2085 AC_MSG_CHECKING([if gcc accepts -W$1])
2086 safe_CFLAGS=$CFLAGS
2087 CFLAGS="-W$1 -Werror"
2088 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[;]])], [
2089 AC_SUBST([$2], [-W$1])
2090 AC_MSG_RESULT([yes])], [
2091 AC_SUBST([$2], [])
2092 AC_MSG_RESULT([no])])
2093 CFLAGS=$safe_CFLAGS
2094 ])
2096 AC_GCC_WARNING_SUBST_NO([memset-transposed-args], [FLAG_W_NO_MEMSET_TRANSPOSED_ARGS])
2097 AC_GCC_WARNING_SUBST_NO([nonnull], [FLAG_W_NO_NONNULL])
2098 AC_GCC_WARNING_SUBST_NO([overflow], [FLAG_W_NO_OVERFLOW])
2099 AC_GCC_WARNING_SUBST_NO([pointer-sign], [FLAG_W_NO_POINTER_SIGN])
2100 AC_GCC_WARNING_SUBST_NO([uninitialized], [FLAG_W_NO_UNINITIALIZED])
2101 AC_GCC_WARNING_SUBST_NO([unused-function], [FLAG_W_NO_UNUSED_FUNCTION])
2102 AC_GCC_WARNING_SUBST_NO([static-local-in-inline], [FLAG_W_NO_STATIC_LOCAL_IN_INLINE])
2103 AC_GCC_WARNING_SUBST_NO([mismatched-new-delete], [FLAG_W_NO_MISMATCHED_NEW_DELETE])
2104 AC_GCC_WARNING_SUBST_NO([infinite-recursion], [FLAG_W_NO_INFINITE_RECURSION])
2106 AC_GCC_WARNING_SUBST([write-strings], [FLAG_W_WRITE_STRINGS])
2107 AC_GCC_WARNING_SUBST([empty-body], [FLAG_W_EMPTY_BODY])
2108 AC_GCC_WARNING_SUBST([format], [FLAG_W_FORMAT])
2109 AC_GCC_WARNING_SUBST([format-signedness], [FLAG_W_FORMAT_SIGNEDNESS])
2110 AC_GCC_WARNING_SUBST([cast-qual], [FLAG_W_CAST_QUAL])
2111 AC_GCC_WARNING_SUBST([old-style-declaration], [FLAG_W_OLD_STYLE_DECLARATION])
2112 AC_GCC_WARNING_SUBST([ignored-qualifiers], [FLAG_W_IGNORED_QUALIFIERS])
2113 AC_GCC_WARNING_SUBST([missing-parameter-type], [FLAG_W_MISSING_PARAMETER_TYPE])
2114 AC_GCC_WARNING_SUBST([logical-op], [FLAG_W_LOGICAL_OP])
2115 AC_GCC_WARNING_SUBST([enum-conversion], [FLAG_W_ENUM_CONVERSION])
2116 AC_GCC_WARNING_SUBST([implicit-fallthrough=2], [FLAG_W_IMPLICIT_FALLTHROUGH])
2118 # Does this compiler support -Wformat-security ?
2119 # Special handling is needed, because certain GCC versions require -Wformat
2120 # being present if -Wformat-security is given. Otherwise a warning is issued.
2121 # However, AC_GCC_WARNING_SUBST will stick in -Werror (see r15323 for rationale).
2122 # And with that the warning will be turned into an error with the result
2123 # that -Wformat-security is believed to be unsupported when in fact it is.
2124 AC_MSG_CHECKING([if gcc accepts -Wformat-security])
2125 safe_CFLAGS=$CFLAGS
2126 CFLAGS="-Wformat -Wformat-security -Werror"
2127 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[;]])], [
2128 AC_SUBST([FLAG_W_FORMAT_SECURITY], [-Wformat-security])
2129 AC_MSG_RESULT([yes])], [
2130 AC_SUBST([FLAG_W_FORMAT_SECURITY], [])
2131 AC_MSG_RESULT([no])])
2132 CFLAGS=$safe_CFLAGS
2134 # does this compiler support -Wextra or the older -W ?
2136 AC_MSG_CHECKING([if gcc accepts -Wextra or -W])
2138 safe_CFLAGS=$CFLAGS
2139 CFLAGS="-Wextra -Werror"
2141 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2142 return 0;
2143 ]])], [
2144 AC_SUBST([FLAG_W_EXTRA], [-Wextra])
2145 AC_MSG_RESULT([-Wextra])
2146 ], [
2147 CFLAGS="-W -Werror"
2148 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2149 return 0;
2150 ]])], [
2151 AC_SUBST([FLAG_W_EXTRA], [-W])
2152 AC_MSG_RESULT([-W])
2153 ], [
2154 AC_SUBST([FLAG_W_EXTRA], [])
2155 AC_MSG_RESULT([not supported])
2156 ])
2157 ])
2158 CFLAGS=$safe_CFLAGS
2160 # On ARM we do not want to pass -Wcast-align as that produces loads
2161 # of warnings. GCC is just being conservative. See here:
2162 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65459#c4
2163 if test "X$VGCONF_ARCH_PRI" = "Xarm"; then
2164 AC_SUBST([FLAG_W_CAST_ALIGN], [""])
2165 else
2166 AC_SUBST([FLAG_W_CAST_ALIGN], [-Wcast-align])
2167 fi
2169 # does this compiler support -faligned-new ?
2170 AC_MSG_CHECKING([if g++ accepts -faligned-new])
2172 safe_CXXFLAGS=$CXXFLAGS
2173 CXXFLAGS="-faligned-new -Werror"
2175 AC_LANG(C++)
2176 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2177 return 0;
2178 ]])], [
2179 FLAG_FALIGNED_NEW="-faligned-new"
2180 AC_MSG_RESULT([yes])
2181 ], [
2182 FLAG_FALIGNED_NEW=""
2183 AC_MSG_RESULT([no])
2184 ])
2185 CXXFLAGS=$safe_CXXFLAGS
2186 AC_LANG(C)
2188 AC_SUBST(FLAG_FALIGNED_NEW)
2190 # does this compiler support -fno-stack-protector ?
2191 AC_MSG_CHECKING([if gcc accepts -fno-stack-protector])
2193 safe_CFLAGS=$CFLAGS
2194 CFLAGS="-fno-stack-protector -Werror"
2196 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2197 return 0;
2198 ]])], [
2199 no_stack_protector=yes
2200 FLAG_FNO_STACK_PROTECTOR="-fno-stack-protector"
2201 AC_MSG_RESULT([yes])
2202 ], [
2203 no_stack_protector=no
2204 FLAG_FNO_STACK_PROTECTOR=""
2205 AC_MSG_RESULT([no])
2206 ])
2207 CFLAGS=$safe_CFLAGS
2209 AC_SUBST(FLAG_FNO_STACK_PROTECTOR)
2211 # does this compiler support -finline-functions ?
2212 AC_MSG_CHECKING([if gcc accepts -finline-functions])
2214 safe_CFLAGS=$CFLAGS
2215 CFLAGS="-finline-functions -Werror"
2217 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2218 return 0;
2219 ]])], [
2220 inline_functions=yes
2221 FLAG_FINLINE_FUNCTIONS="-finline-functions"
2222 AC_MSG_RESULT([yes])
2223 ], [
2224 inline_functions=no
2225 FLAG_FINLINE_FUNCTIONS=""
2226 AC_MSG_RESULT([no])
2227 ])
2228 CFLAGS=$safe_CFLAGS
2230 AC_SUBST(FLAG_FINLINE_FUNCTIONS)
2232 # Does GCC support disabling Identical Code Folding?
2233 # We want to disabled Identical Code Folding for the
2234 # tools preload shared objects to get better backraces.
2235 # For GCC 5.1+ -fipa-icf is enabled by default at -O2.
2236 # "The optimization reduces code size and may disturb
2237 # unwind stacks by replacing a function by equivalent
2238 # one with a different name."
2239 AC_MSG_CHECKING([if gcc accepts -fno-ipa-icf])
2241 safe_CFLAGS=$CFLAGS
2242 CFLAGS="-fno-ipa-icf -Werror"
2244 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2245 return 0;
2246 ]])], [
2247 no_ipa_icf=yes
2248 FLAG_FNO_IPA_ICF="-fno-ipa-icf"
2249 AC_MSG_RESULT([yes])
2250 ], [
2251 no_ipa_icf=no
2252 FLAG_FNO_IPA_ICF=""
2253 AC_MSG_RESULT([no])
2254 ])
2255 CFLAGS=$safe_CFLAGS
2257 AC_SUBST(FLAG_FNO_IPA_ICF)
2260 # Does this compiler support -fsanitize=undefined. This is true for
2261 # GCC 4.9 and newer. However, the undefined behaviour sanitiser in GCC 5.1
2262 # also checks for alignment violations on memory accesses which the valgrind
2263 # code base is sprinkled (if not littered) with. As those alignment issues
2264 # don't pose a problem we want to suppress warnings about them.
2265 # In GCC 5.1 this can be done by passing -fno-sanitize=alignment. Earlier
2266 # GCCs do not support that.
2267 #
2268 # Only checked for if --enable-ubsan was given.
2269 if test "x${vg_cv_ubsan}" = "xyes"; then
2270 AC_MSG_CHECKING([if gcc accepts -fsanitize=undefined -fno-sanitize=alignment])
2271 safe_CFLAGS=$CFLAGS
2272 CFLAGS="-fsanitize=undefined -fno-sanitize=alignment -Werror"
2273 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2274 return 0;
2275 ]])], [
2276 FLAG_FSANITIZE="-fsanitize=undefined -fno-sanitize=alignment"
2277 LIB_UBSAN="-static-libubsan"
2278 AC_MSG_RESULT([yes])
2279 ], [
2280 CFLAGS="-fsanitize=undefined -Werror"
2281 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2282 return 0;
2283 ]])], [
2284 FLAG_FSANITIZE="-fsanitize=undefined"
2285 LIB_UBSAN="-static-libubsan"
2286 AC_MSG_RESULT([yes])
2287 ], [
2288 FLAG_FSANITIZE=""
2289 LIB_UBSAN=""
2290 AC_MSG_RESULT([no])
2291 ])
2292 ])
2293 CFLAGS=$safe_CFLAGS
2294 AC_SUBST(FLAG_FSANITIZE)
2295 AC_SUBST(LIB_UBSAN)
2296 fi
2297 # does this compiler support --param inline-unit-growth=... ?
2299 AC_MSG_CHECKING([if gcc accepts --param inline-unit-growth])
2301 safe_CFLAGS=$CFLAGS
2302 CFLAGS="--param inline-unit-growth=900 -Werror"
2304 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2305 return 0;
2306 ]])], [
2307 AC_SUBST([FLAG_UNLIMITED_INLINE_UNIT_GROWTH],
2308 ["--param inline-unit-growth=900"])
2309 AC_MSG_RESULT([yes])
2310 ], [
2311 AC_SUBST([FLAG_UNLIMITED_INLINE_UNIT_GROWTH], [""])
2312 AC_MSG_RESULT([no])
2313 ])
2314 CFLAGS=$safe_CFLAGS
2317 # does this compiler support -gdwarf-4 -fdebug-types-section ?
2319 AC_MSG_CHECKING([if gcc accepts -gdwarf-4 -fdebug-types-section])
2321 safe_CFLAGS=$CFLAGS
2322 CFLAGS="-gdwarf-4 -fdebug-types-section -Werror"
2324 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2325 return 0;
2326 ]])], [
2327 ac_have_dwarf4=yes
2328 AC_MSG_RESULT([yes])
2329 ], [
2330 ac_have_dwarf4=no
2331 AC_MSG_RESULT([no])
2332 ])
2333 AM_CONDITIONAL(DWARF4, test x$ac_have_dwarf4 = xyes)
2334 CFLAGS=$safe_CFLAGS
2337 # does this compiler support -g -gz=zlib ?
2339 AC_MSG_CHECKING([if gcc accepts -g -gz=zlib])
2341 safe_CFLAGS=$CFLAGS
2342 CFLAGS="-g -gz=zlib"
2344 AC_LINK_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2345 return 0;
2346 ]])], [
2347 ac_have_gz_zlib=yes
2348 AC_MSG_RESULT([yes])
2349 ], [
2350 ac_have_gz_zlib=no
2351 AC_MSG_RESULT([no])
2352 ])
2353 AM_CONDITIONAL(GZ_ZLIB, test x$ac_have_gz_zlib = xyes)
2354 CFLAGS=$safe_CFLAGS
2357 # does this compiler support -g -gz=zlib-gnu ?
2359 AC_MSG_CHECKING([if gcc accepts -g -gz=zlib-gnu])
2361 safe_CFLAGS=$CFLAGS
2362 CFLAGS="-g -gz=zlib-gnu"
2364 AC_LINK_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2365 return 0;
2366 ]])], [
2367 ac_have_gz_zlib_gnu=yes
2368 AC_MSG_RESULT([yes])
2369 ], [
2370 ac_have_gz_zlib_gnu=no
2371 AC_MSG_RESULT([no])
2372 ])
2373 AM_CONDITIONAL(GZ_ZLIB_GNU, test x$ac_have_gz_zlib_gnu = xyes)
2374 CFLAGS=$safe_CFLAGS
2377 # does this compiler support nested functions ?
2379 AC_MSG_CHECKING([if gcc accepts nested functions])
2381 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2382 int foo() { return 1; }
2383 return foo();
2384 ]])], [
2385 ac_have_nested_functions=yes
2386 AC_MSG_RESULT([yes])
2387 ], [
2388 ac_have_nested_functions=no
2389 AC_MSG_RESULT([no])
2390 ])
2391 AM_CONDITIONAL([HAVE_NESTED_FUNCTIONS], [test x$ac_have_nested_functions = xyes])
2394 # does this compiler support the 'p' constraint in ASM statements ?
2396 AC_MSG_CHECKING([if gcc accepts the 'p' constraint in asm statements])
2398 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2399 char *p;
2400 __asm__ __volatile__ ("movdqa (%0),%%xmm6\n" : "=p" (p));
2401 ]])], [
2402 ac_have_asm_constraint_p=yes
2403 AC_MSG_RESULT([yes])
2404 ], [
2405 ac_have_asm_constraint_p=no
2406 AC_MSG_RESULT([no])
2407 ])
2408 AM_CONDITIONAL([HAVE_ASM_CONSTRAINT_P], [test x$ac_have_asm_constraint_p = xyes])
2411 # Does this compiler and linker support -pie?
2412 # Some compilers actually do not support -pie and report its usage
2413 # as an error. We need to check if it is safe to use it first.
2415 AC_MSG_CHECKING([if gcc accepts -pie])
2417 safe_CFLAGS=$CFLAGS
2418 CFLAGS="-pie"
2420 AC_LINK_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2421 return 0;
2422 ]])], [
2423 AC_SUBST([FLAG_PIE], ["-pie"])
2424 AC_MSG_RESULT([yes])
2425 ], [
2426 AC_SUBST([FLAG_PIE], [""])
2427 AC_MSG_RESULT([no])
2428 ])
2429 CFLAGS=$safe_CFLAGS
2432 # Does this compiler support -no-pie?
2433 # On Ubuntu 16.10+, gcc produces position independent executables (PIE) by
2434 # default. However this gets in the way with some tests, we use -no-pie
2435 # for these.
2437 AC_MSG_CHECKING([if gcc accepts -no-pie])
2439 safe_CFLAGS=$CFLAGS
2440 CFLAGS="-no-pie"
2442 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2443 return 0;
2444 ]])], [
2445 AC_SUBST([FLAG_NO_PIE], ["-no-pie"])
2446 AC_MSG_RESULT([yes])
2447 ], [
2448 AC_SUBST([FLAG_NO_PIE], [""])
2449 AC_MSG_RESULT([no])
2450 ])
2451 CFLAGS=$safe_CFLAGS
2454 # We want to use use the -Ttext-segment option to the linker.
2455 # GNU (bfd) ld supports this directly. Newer GNU gold linkers
2456 # support it as an alias of -Ttext. Sadly GNU (bfd) ld's -Ttext
2457 # semantics are NOT what we want (GNU gold -Ttext is fine).
2458 #
2459 # For GNU (bfd) ld -Ttext-segment chooses the base at which ELF headers
2460 # will reside. -Ttext aligns just the .text section start (but not any
2461 # other section).
2462 #
2463 # So test for -Ttext-segment which is supported by all bfd ld versions
2464 # and use that if it exists. If it doesn't exist it must be an older
2465 # version of gold and we can fall back to using -Ttext which has the
2466 # right semantics.
2468 AC_MSG_CHECKING([if the linker accepts -Wl,-Ttext-segment])
2470 safe_CFLAGS=$CFLAGS
2471 CFLAGS="-static -nodefaultlibs -nostartfiles -Wl,-Ttext-segment=$valt_load_address_pri_norml -Werror"
2473 AC_LINK_IFELSE(
2474 [AC_LANG_SOURCE([int _start () { return 0; }])],
2475 [
2476 linker_using_t_text="no"
2477 AC_SUBST([FLAG_T_TEXT], ["-Ttext-segment"])
2478 AC_MSG_RESULT([yes])
2479 ], [
2480 linker_using_t_text="yes"
2481 AC_SUBST([FLAG_T_TEXT], ["-Ttext"])
2482 AC_MSG_RESULT([no])
2483 ])
2484 CFLAGS=$safe_CFLAGS
2486 # If the linker only supports -Ttext (not -Ttext-segment) then we will
2487 # have to strip any build-id ELF NOTEs from the statically linked tools.
2488 # Otherwise the build-id NOTE might end up at the default load address.
2489 # (Pedantically if the linker is gold then -Ttext is fine, but newer
2490 # gold versions also support -Ttext-segment. So just assume that unless
2491 # we can use -Ttext-segment we need to strip the build-id NOTEs.
2492 if test "x${linker_using_t_text}" = "xyes"; then
2493 AC_MSG_NOTICE([ld -Ttext used, need to strip build-id NOTEs.])
2494 # does the linker support -Wl,--build-id=none ? Note, it's
2495 # important that we test indirectly via whichever C compiler
2496 # is selected, rather than testing /usr/bin/ld or whatever
2497 # directly.
2498 AC_MSG_CHECKING([if the linker accepts -Wl,--build-id=none])
2499 safe_CFLAGS=$CFLAGS
2500 CFLAGS="-Wl,--build-id=none -Werror"
2502 AC_LINK_IFELSE(
2503 [AC_LANG_PROGRAM([ ], [return 0;])],
2504 [
2505 AC_SUBST([FLAG_NO_BUILD_ID], ["-Wl,--build-id=none"])
2506 AC_MSG_RESULT([yes])
2507 ], [
2508 AC_SUBST([FLAG_NO_BUILD_ID], [""])
2509 AC_MSG_RESULT([no])
2510 ])
2511 else
2512 AC_MSG_NOTICE([ld -Ttext-segment used, no need to strip build-id NOTEs.])
2513 AC_SUBST([FLAG_NO_BUILD_ID], [""])
2514 fi
2515 CFLAGS=$safe_CFLAGS
2517 # does the ppc assembler support "mtocrf" et al?
2518 AC_MSG_CHECKING([if ppc32/64 as supports mtocrf/mfocrf])
2520 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2521 __asm__ __volatile__("mtocrf 4,0");
2522 __asm__ __volatile__("mfocrf 0,4");
2523 ]])], [
2524 ac_have_as_ppc_mftocrf=yes
2525 AC_MSG_RESULT([yes])
2526 ], [
2527 ac_have_as_ppc_mftocrf=no
2528 AC_MSG_RESULT([no])
2529 ])
2530 if test x$ac_have_as_ppc_mftocrf = xyes ; then
2531 AC_DEFINE(HAVE_AS_PPC_MFTOCRF, 1, [Define to 1 if as supports mtocrf/mfocrf.])
2532 fi
2535 # does the ppc assembler support "lfdp" and other phased out floating point insns?
2536 AC_MSG_CHECKING([if ppc32/64 asm supports phased out floating point instructions])
2538 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2539 do { typedef struct {
2540 double hi;
2541 double lo;
2542 } dbl_pair_t;
2543 dbl_pair_t dbl_pair[3];
2544 __asm__ volatile ("lfdp 10, %0"::"m" (dbl_pair[0]));
2545 } while (0)
2546 ]])], [
2547 ac_have_as_ppc_fpPO=yes
2548 AC_MSG_RESULT([yes])
2549 ], [
2550 ac_have_as_ppc_fpPO=no
2551 AC_MSG_RESULT([no])
2552 ])
2553 if test x$ac_have_as_ppc_fpPO = xyes ; then
2554 AC_DEFINE(HAVE_AS_PPC_FPPO, 1, [Define to 1 if as supports floating point phased out category.])
2555 fi
2558 # does the amd64 assembler understand "fxsave64" and "fxrstor64"?
2559 AC_MSG_CHECKING([if amd64 assembler supports fxsave64/fxrstor64])
2561 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2562 void* p;
2563 asm __volatile__("fxsave64 (%0)" : : "r" (p) : "memory" );
2564 asm __volatile__("fxrstor64 (%0)" : : "r" (p) : "memory" );
2565 ]])], [
2566 ac_have_as_amd64_fxsave64=yes
2567 AC_MSG_RESULT([yes])
2568 ], [
2569 ac_have_as_amd64_fxsave64=no
2570 AC_MSG_RESULT([no])
2571 ])
2572 if test x$ac_have_as_amd64_fxsave64 = xyes ; then
2573 AC_DEFINE(HAVE_AS_AMD64_FXSAVE64, 1, [Define to 1 if as supports fxsave64/fxrstor64.])
2574 fi
2576 # does the x86/amd64 assembler understand SSE3 instructions?
2577 # Note, this doesn't generate a C-level symbol. It generates a
2578 # automake-level symbol (BUILD_SSE3_TESTS), used in test Makefile.am's
2579 AC_MSG_CHECKING([if x86/amd64 assembler speaks SSE3])
2581 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2582 do { long long int x;
2583 __asm__ __volatile__("fisttpq (%0)" : :"r"(&x) ); }
2584 while (0)
2585 ]])], [
2586 ac_have_as_sse3=yes
2587 AC_MSG_RESULT([yes])
2588 ], [
2589 ac_have_as_sse3=no
2590 AC_MSG_RESULT([no])
2591 ])
2593 AM_CONDITIONAL(BUILD_SSE3_TESTS, test x$ac_have_as_sse3 = xyes)
2596 # Ditto for SSSE3 instructions (note extra S)
2597 # Note, this doesn't generate a C-level symbol. It generates a
2598 # automake-level symbol (BUILD_SSSE3_TESTS), used in test Makefile.am's
2599 AC_MSG_CHECKING([if x86/amd64 assembler speaks SSSE3])
2601 save_CFLAGS="$CFLAGS"
2602 CFLAGS="$CFLAGS -msse -Werror"
2603 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2604 do { long long int x;
2605 __asm__ __volatile__(
2606 "pabsb (%0),%%xmm7" : : "r"(&x) : "xmm7" ); }
2607 while (0)
2608 ]])], [
2609 ac_have_as_ssse3=yes
2610 AC_MSG_RESULT([yes])
2611 ], [
2612 ac_have_as_ssse3=no
2613 AC_MSG_RESULT([no])
2614 ])
2615 CFLAGS="$save_CFLAGS"
2617 AM_CONDITIONAL(BUILD_SSSE3_TESTS, test x$ac_have_as_ssse3 = xyes)
2620 # does the x86/amd64 assembler understand the PCLMULQDQ instruction?
2621 # Note, this doesn't generate a C-level symbol. It generates a
2622 # automake-level symbol (BUILD_PCLMULQDQ_TESTS), used in test Makefile.am's
2623 AC_MSG_CHECKING([if x86/amd64 assembler supports 'pclmulqdq'])
2624 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2625 do {
2626 __asm__ __volatile__(
2627 "pclmulqdq \$17,%%xmm6,%%xmm7" : : : "xmm6", "xmm7" ); }
2628 while (0)
2629 ]])], [
2630 ac_have_as_pclmulqdq=yes
2631 AC_MSG_RESULT([yes])
2632 ], [
2633 ac_have_as_pclmulqdq=no
2634 AC_MSG_RESULT([no])
2635 ])
2637 AM_CONDITIONAL(BUILD_PCLMULQDQ_TESTS, test x$ac_have_as_pclmulqdq = xyes)
2640 # does the x86/amd64 assembler understand the VPCLMULQDQ instruction?
2641 # Note, this doesn't generate a C-level symbol. It generates a
2642 # automake-level symbol (BUILD_VPCLMULQDQ_TESTS), used in test Makefile.am's
2643 AC_MSG_CHECKING([if x86/amd64 assembler supports 'vpclmulqdq'])
2644 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2645 do {
2646 /*
2647 * Carry-less multiplication of xmm1 with xmm2 and store the result in
2648 * xmm3. The immediate is used to determine which quadwords of xmm1 and
2649 * xmm2 should be used.
2650 */
2651 __asm__ __volatile__(
2652 "vpclmulqdq \$0,%%xmm1,%%xmm2,%%xmm3" : : : );
2653 } while (0)
2654 ]])], [
2655 ac_have_as_vpclmulqdq=yes
2656 AC_MSG_RESULT([yes])
2657 ], [
2658 ac_have_as_vpclmulqdq=no
2659 AC_MSG_RESULT([no])
2660 ])
2662 AM_CONDITIONAL(BUILD_VPCLMULQDQ_TESTS, test x$ac_have_as_vpclmulqdq = xyes)
2665 # does the x86/amd64 assembler understand FMA4 instructions?
2666 # Note, this doesn't generate a C-level symbol. It generates a
2667 # automake-level symbol (BUILD_AFM4_TESTS), used in test Makefile.am's
2668 AC_MSG_CHECKING([if x86/amd64 assembler supports FMA4 'vfmaddpd'])
2669 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2670 do {
2671 __asm__ __volatile__(
2672 "vfmaddpd %%xmm7,%%xmm8,%%xmm6,%%xmm9" : : : );
2673 } while (0)
2674 ]])], [
2675 ac_have_as_vfmaddpd=yes
2676 AC_MSG_RESULT([yes])
2677 ], [
2678 ac_have_as_vfmaddpd=no
2679 AC_MSG_RESULT([no])
2680 ])
2682 AM_CONDITIONAL(BUILD_FMA4_TESTS, test x$ac_have_as_vfmaddpd = xyes)
2685 # does the x86/amd64 assembler understand the LZCNT instruction?
2686 # Note, this doesn't generate a C-level symbol. It generates a
2687 # automake-level symbol (BUILD_LZCNT_TESTS), used in test Makefile.am's
2688 AC_MSG_CHECKING([if x86/amd64 assembler supports 'lzcnt'])
2690 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2691 do {
2692 __asm__ __volatile__("lzcnt %%rax,%%rax" : : : "rax");
2693 } while (0)
2694 ]])], [
2695 ac_have_as_lzcnt=yes
2696 AC_MSG_RESULT([yes])
2697 ], [
2698 ac_have_as_lzcnt=no
2699 AC_MSG_RESULT([no])
2700 ])
2702 AM_CONDITIONAL([BUILD_LZCNT_TESTS], [test x$ac_have_as_lzcnt = xyes])
2705 # does the x86/amd64 assembler understand the LOOPNEL instruction?
2706 # Note, this doesn't generate a C-level symbol. It generates a
2707 # automake-level symbol (BUILD_LOOPNEL_TESTS), used in test Makefile.am's
2708 AC_MSG_CHECKING([if x86/amd64 assembler supports 'loopnel'])
2710 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2711 do {
2712 __asm__ __volatile__("1: loopnel 1b\n");
2713 } while (0)
2714 ]])], [
2715 ac_have_as_loopnel=yes
2716 AC_MSG_RESULT([yes])
2717 ], [
2718 ac_have_as_loopnel=no
2719 AC_MSG_RESULT([no])
2720 ])
2722 AM_CONDITIONAL([BUILD_LOOPNEL_TESTS], [test x$ac_have_as_loopnel = xyes])
2725 # does the x86/amd64 assembler understand ADDR32 ?
2726 # Note, this doesn't generate a C-level symbol. It generates a
2727 # automake-level symbol (BUILD_ADDR32_TESTS), used in test Makefile.am's
2728 AC_MSG_CHECKING([if x86/amd64 assembler supports 'addr32'])
2730 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2731 do {
2732 asm volatile ("addr32 rep movsb");
2733 } while (0)
2734 ]])], [
2735 ac_have_as_addr32=yes
2736 AC_MSG_RESULT([yes])
2737 ], [
2738 ac_have_as_addr32=no
2739 AC_MSG_RESULT([no])
2740 ])
2742 AM_CONDITIONAL([BUILD_ADDR32_TESTS], [test x$ac_have_as_addr32 = xyes])
2745 # does the x86/amd64 assembler understand SSE 4.2 instructions?
2746 # Note, this doesn't generate a C-level symbol. It generates a
2747 # automake-level symbol (BUILD_SSE42_TESTS), used in test Makefile.am's
2748 AC_MSG_CHECKING([if x86/amd64 assembler speaks SSE4.2])
2750 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2751 do { long long int x;
2752 __asm__ __volatile__(
2753 "crc32q %%r15,%%r15" : : : "r15" );
2754 __asm__ __volatile__(
2755 "pblendvb (%%rcx), %%xmm11" : : : "memory", "xmm11");
2756 __asm__ __volatile__(
2757 "aesdec %%xmm2, %%xmm1" : : : "xmm2", "xmm1"); }
2758 while (0)
2759 ]])], [
2760 ac_have_as_sse42=yes
2761 AC_MSG_RESULT([yes])
2762 ], [
2763 ac_have_as_sse42=no
2764 AC_MSG_RESULT([no])
2765 ])
2767 AM_CONDITIONAL(BUILD_SSE42_TESTS, test x$ac_have_as_sse42 = xyes)
2770 # does the x86/amd64 assembler understand AVX instructions?
2771 # Note, this doesn't generate a C-level symbol. It generates a
2772 # automake-level symbol (BUILD_AVX_TESTS), used in test Makefile.am's
2773 AC_MSG_CHECKING([if x86/amd64 assembler speaks AVX])
2775 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2776 do { long long int x;
2777 __asm__ __volatile__(
2778 "vmovupd (%%rsp), %%ymm7" : : : "xmm7" );
2779 __asm__ __volatile__(
2780 "vaddpd %%ymm6,%%ymm7,%%ymm8" : : : "xmm6","xmm7","xmm8"); }
2781 while (0)
2782 ]])], [
2783 ac_have_as_avx=yes
2784 AC_MSG_RESULT([yes])
2785 ], [
2786 ac_have_as_avx=no
2787 AC_MSG_RESULT([no])
2788 ])
2790 AM_CONDITIONAL(BUILD_AVX_TESTS, test x$ac_have_as_avx = xyes)
2793 # does the x86/amd64 assembler understand AVX2 instructions?
2794 # Note, this doesn't generate a C-level symbol. It generates a
2795 # automake-level symbol (BUILD_AVX2_TESTS), used in test Makefile.am's
2796 AC_MSG_CHECKING([if x86/amd64 assembler speaks AVX2])
2798 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2799 do { long long int x;
2800 __asm__ __volatile__(
2801 "vpsravd (%%rsp), %%ymm8, %%ymm7" : : : "xmm7", "xmm8" );
2802 __asm__ __volatile__(
2803 "vpaddb %%ymm6,%%ymm7,%%ymm8" : : : "xmm6","xmm7","xmm8"); }
2804 while (0)
2805 ]])], [
2806 ac_have_as_avx2=yes
2807 AC_MSG_RESULT([yes])
2808 ], [
2809 ac_have_as_avx2=no
2810 AC_MSG_RESULT([no])
2811 ])
2813 AM_CONDITIONAL(BUILD_AVX2_TESTS, test x$ac_have_as_avx2 = xyes)
2816 # does the x86/amd64 assembler understand TSX instructions and
2817 # the XACQUIRE/XRELEASE prefixes?
2818 # Note, this doesn't generate a C-level symbol. It generates a
2819 # automake-level symbol (BUILD_TSX_TESTS), used in test Makefile.am's
2820 AC_MSG_CHECKING([if x86/amd64 assembler speaks TSX])
2822 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2823 do {
2824 __asm__ __volatile__(
2825 " xbegin Lfoo \n\t"
2826 "Lfoo: xend \n\t"
2827 " xacquire lock incq 0(%rsp) \n\t"
2828 " xrelease lock incq 0(%rsp) \n"
2829 );
2830 } while (0)
2831 ]])], [
2832 ac_have_as_tsx=yes
2833 AC_MSG_RESULT([yes])
2834 ], [
2835 ac_have_as_tsx=no
2836 AC_MSG_RESULT([no])
2837 ])
2839 AM_CONDITIONAL(BUILD_TSX_TESTS, test x$ac_have_as_tsx = xyes)
2842 # does the x86/amd64 assembler understand BMI1 and BMI2 instructions?
2843 # Note, this doesn't generate a C-level symbol. It generates a
2844 # automake-level symbol (BUILD_BMI_TESTS), used in test Makefile.am's
2845 AC_MSG_CHECKING([if x86/amd64 assembler speaks BMI1 and BMI2])
2847 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2848 do { unsigned int h, l;
2849 __asm__ __volatile__( "mulx %rax,%rcx,%r8" );
2850 __asm__ __volatile__(
2851 "andn %2, %1, %0" : "=r" (h) : "r" (0x1234567), "r" (0x7654321) );
2852 __asm__ __volatile__(
2853 "movl %2, %%edx; mulx %3, %1, %0" : "=r" (h), "=r" (l) : "g" (0x1234567), "rm" (0x7654321) : "edx" ); }
2854 while (0)
2855 ]])], [
2856 ac_have_as_bmi=yes
2857 AC_MSG_RESULT([yes])
2858 ], [
2859 ac_have_as_bmi=no
2860 AC_MSG_RESULT([no])
2861 ])
2863 AM_CONDITIONAL(BUILD_BMI_TESTS, test x$ac_have_as_bmi = xyes)
2866 # does the x86/amd64 assembler understand FMA instructions?
2867 # Note, this doesn't generate a C-level symbol. It generates a
2868 # automake-level symbol (BUILD_FMA_TESTS), used in test Makefile.am's
2869 AC_MSG_CHECKING([if x86/amd64 assembler speaks FMA])
2871 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2872 do { unsigned int h, l;
2873 __asm__ __volatile__(
2874 "vfmadd132ps (%%rsp), %%ymm8, %%ymm7" : : : "xmm7", "xmm8" );
2875 __asm__ __volatile__(
2876 "vfnmsub231sd (%%rsp), %%xmm8, %%xmm7" : : : "xmm7", "xmm8" );
2877 __asm__ __volatile__(
2878 "vfmsubadd213pd (%%rsp), %%xmm8, %%xmm7" : : : "xmm7", "xmm8" ); }
2879 while (0)
2880 ]])], [
2881 ac_have_as_fma=yes
2882 AC_MSG_RESULT([yes])
2883 ], [
2884 ac_have_as_fma=no
2885 AC_MSG_RESULT([no])
2886 ])
2888 AM_CONDITIONAL(BUILD_FMA_TESTS, test x$ac_have_as_fma = xyes)
2891 # does the amd64 assembler understand MPX instructions?
2892 # Note, this doesn't generate a C-level symbol. It generates a
2893 # automake-level symbol (BUILD_MPX_TESTS), used in test Makefile.am's
2894 AC_MSG_CHECKING([if amd64 assembler knows the MPX instructions])
2896 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2897 do {
2898 asm ("bndmov %bnd0,(%rsp)");
2899 asm ("bndldx 3(%rbx,%rdx), %bnd2");
2900 asm ("bnd call foo\n"
2901 bnd jmp end\n"
2902 foo: bnd ret\n"
2903 end: nop");
2904 } while (0)
2905 ]])], [
2906 ac_have_as_mpx=yes
2907 AC_MSG_RESULT([yes])
2908 ], [
2909 ac_have_as_mpx=no
2910 AC_MSG_RESULT([no])
2911 ])
2913 AM_CONDITIONAL(BUILD_MPX_TESTS, test x$ac_have_as_mpx = xyes)
2916 # does the amd64 assembler understand ADX instructions?
2917 # Note, this doesn't generate a C-level symbol. It generates a
2918 # automake-level symbol (BUILD_ADX_TESTS), used in test Makefile.am's
2919 AC_MSG_CHECKING([if amd64 assembler knows the ADX instructions])
2921 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2922 do {
2923 asm ("adcxq %r14,%r8");
2924 } while (0)
2925 ]])], [
2926 ac_have_as_adx=yes
2927 AC_MSG_RESULT([yes])
2928 ], [
2929 ac_have_as_adx=no
2930 AC_MSG_RESULT([no])
2931 ])
2933 AM_CONDITIONAL(BUILD_ADX_TESTS, test x$ac_have_as_adx = xyes)
2936 # does the amd64 assembler understand the RDRAND instruction?
2937 # Note, this doesn't generate a C-level symbol. It generates a
2938 # automake-level symbol (BUILD_RDRAND_TESTS), used in test Makefile.am's
2939 AC_MSG_CHECKING([if amd64 assembler knows the RDRAND instruction])
2941 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2942 do {
2943 asm ("rdrand %r14");
2944 asm ("rdrand %r14d");
2945 asm ("rdrand %r14w");
2946 } while (0)
2947 ]])], [
2948 ac_have_as_rdrand=yes
2949 AC_MSG_RESULT([yes])
2950 ], [
2951 ac_have_as_rdrand=no
2952 AC_MSG_RESULT([no])
2953 ])
2955 AM_CONDITIONAL(BUILD_RDRAND_TESTS, test x$ac_have_as_rdrand = xyes)
2958 # does the amd64 assembler understand the F16C instructions (VCVTPH2PS and
2959 # VCVTPS2PH) ?
2960 # Note, this doesn't generate a C-level symbol. It generates a
2961 # automake-level symbol (BUILD_F16C_TESTS), used in test Makefile.am's
2962 AC_MSG_CHECKING([if amd64 assembler knows the F16C instructions])
2964 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2965 do {
2966 asm ("vcvtph2ps %xmm5, %ymm10");
2967 // If we put the dollar sign and zero together, the shell processing
2968 // this configure.ac script substitutes the command name in. Sigh.
2969 asm ("vcvtps2ph $" "0, %ymm10, %xmm5");
2970 } while (0)
2971 ]])], [
2972 ac_have_as_f16c=yes
2973 AC_MSG_RESULT([yes])
2974 ], [
2975 ac_have_as_f16c=no
2976 AC_MSG_RESULT([no])
2977 ])
2979 AM_CONDITIONAL(BUILD_F16C_TESTS, test x$ac_have_as_f16c = xyes)
2982 # does the x86/amd64 assembler understand MOVBE?
2983 # Note, this doesn't generate a C-level symbol. It generates a
2984 # automake-level symbol (BUILD_MOVBE_TESTS), used in test Makefile.am's
2985 AC_MSG_CHECKING([if x86/amd64 assembler knows the MOVBE insn])
2987 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2988 do { long long int x;
2989 __asm__ __volatile__(
2990 "movbe (%%rsp), %%r15" : : : "memory", "r15" ); }
2991 while (0)
2992 ]])], [
2993 ac_have_as_movbe=yes
2994 AC_MSG_RESULT([yes])
2995 ], [
2996 ac_have_as_movbe=no
2997 AC_MSG_RESULT([no])
2998 ])
3000 AM_CONDITIONAL(BUILD_MOVBE_TESTS, test x$ac_have_as_movbe = xyes)
3003 # Does the C compiler support the "ifunc" attribute
3004 # Note, this doesn't generate a C-level symbol. It generates a
3005 # automake-level symbol (BUILD_IFUNC_TESTS), used in test Makefile.am's
3006 AC_MSG_CHECKING([if gcc supports the ifunc attribute])
3008 AC_LINK_IFELSE([AC_LANG_SOURCE([[
3009 static void mytest(void) {}
3011 static void (*resolve_test(void))(void)
3012 {
3013 return (void (*)(void))&mytest;
3014 }
3016 void test(void) __attribute__((ifunc("resolve_test")));
3018 int main()
3019 {
3020 test();
3021 return 0;
3022 }
3023 ]])], [
3024 ac_have_ifunc_attr=yes
3025 AC_MSG_RESULT([yes])
3026 ], [
3027 ac_have_ifunc_attr=no
3028 AC_MSG_RESULT([no])
3029 ])
3031 AM_CONDITIONAL(BUILD_IFUNC_TESTS, test x$ac_have_ifunc_attr = xyes)
3033 # Does the C compiler support the armv8 crc feature flag
3034 # Note, this doesn't generate a C-level symbol. It generates a
3035 # automake-level symbol (BUILD_ARMV8_CRC_TESTS), used in test Makefile.am's
3036 AC_MSG_CHECKING([if gcc supports the armv8 crc feature flag])
3038 save_CFLAGS="$CFLAGS"
3039 CFLAGS="$CFLAGS -march=armv8-a+crc -Werror"
3040 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
3041 int main()
3042 {
3043 return 0;
3044 }
3045 ]])], [
3046 ac_have_armv8_crc_feature=yes
3047 AC_MSG_RESULT([yes])
3048 ], [
3049 ac_have_armv8_crc_feature=no
3050 AC_MSG_RESULT([no])
3051 ])
3052 CFLAGS="$save_CFLAGS"
3054 AM_CONDITIONAL(BUILD_ARMV8_CRC_TESTS, test x$ac_have_armv8_crc_feature = xyes)
3057 # XXX JRS 2010 Oct 13: what is this for? For sure, we don't need this
3058 # when building the tool executables. I think we should get rid of it.
3059 #
3060 # Check for TLS support in the compiler and linker
3061 AC_LINK_IFELSE([AC_LANG_PROGRAM([[static __thread int foo;]],
3062 [[return foo;]])],
3063 [vg_cv_linktime_tls=yes],
3064 [vg_cv_linktime_tls=no])
3065 # Native compilation: check whether running a program using TLS succeeds.
3066 # Linking only is not sufficient -- e.g. on Red Hat 7.3 linking TLS programs
3067 # succeeds but running programs using TLS fails.
3068 # Cross-compiling: check whether linking a program using TLS succeeds.
3069 AC_CACHE_CHECK([for TLS support], vg_cv_tls,
3070 [AC_ARG_ENABLE(tls, [ --enable-tls platform supports TLS],
3071 [vg_cv_tls=$enableval],
3072 [AC_RUN_IFELSE([AC_LANG_PROGRAM([[static __thread int foo;]],
3073 [[return foo;]])],
3074 [vg_cv_tls=yes],
3075 [vg_cv_tls=no],
3076 [vg_cv_tls=$vg_cv_linktime_tls])])])
3078 if test "$vg_cv_tls" = yes -a $is_clang != applellvm; then
3079 AC_DEFINE([HAVE_TLS], 1, [can use __thread to define thread-local variables])
3080 fi
3083 #----------------------------------------------------------------------------
3084 # Solaris-specific checks.
3085 #----------------------------------------------------------------------------
3087 if test "$VGCONF_OS" = "solaris" ; then
3088 AC_CHECK_HEADERS([sys/lgrp_user_impl.h])
3090 # Solaris-specific check determining if the Sun Studio Assembler is used to
3091 # build Valgrind. The test checks if the x86/amd64 assembler understands the
3092 # cmovl.l instruction, if yes then it's Sun Assembler.
3093 #
3094 # C-level symbol: none
3095 # Automake-level symbol: SOLARIS_SUN_STUDIO_AS
3096 #
3097 AC_MSG_CHECKING([if x86/amd64 assembler speaks cmovl.l (Solaris-specific)])
3098 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3099 ]], [[
3100 __asm__ __volatile__("cmovl.l %edx, %eax");
3101 ]])], [
3102 solaris_have_sun_studio_as=yes
3103 AC_MSG_RESULT([yes])
3104 ], [
3105 solaris_have_sun_studio_as=no
3106 AC_MSG_RESULT([no])
3107 ])
3108 AM_CONDITIONAL(SOLARIS_SUN_STUDIO_AS, test x$solaris_have_sun_studio_as = xyes)
3110 # Solaris-specific check determining if symbols __xpg4 and __xpg6
3111 # are present in linked shared libraries when gcc is invoked with -std=gnu99.
3112 # See solaris/vgpreload-solaris.mapfile for details.
3113 # gcc on older Solaris instructs linker to include these symbols,
3114 # gcc on illumos and newer Solaris does not.
3115 #
3116 # C-level symbol: none
3117 # Automake-level symbol: SOLARIS_XPG_SYMBOLS_PRESENT
3118 #
3119 save_CFLAGS="$CFLAGS"
3120 CFLAGS="$CFLAGS -std=gnu99"
3121 AC_MSG_CHECKING([if xpg symbols are present with -std=gnu99 (Solaris-specific)])
3122 temp_dir=$( /usr/bin/mktemp -d )
3123 cat <<_ACEOF >${temp_dir}/mylib.c
3124 #include <stdio.h>
3125 int myfunc(void) { printf("LaPutyka\n"); }
3126 _ACEOF
3127 ${CC} ${CFLAGS} -fpic -shared -o ${temp_dir}/mylib.so ${temp_dir}/mylib.c
3128 xpg_present=$( /usr/bin/nm ${temp_dir}/mylib.so | ${EGREP} '(__xpg4|__xpg6)' )
3129 if test "x${xpg_present}" = "x" ; then
3130 solaris_xpg_symbols_present=no
3131 AC_MSG_RESULT([no])
3132 else
3133 solaris_xpg_symbols_present=yes
3134 AC_MSG_RESULT([yes])
3135 fi
3136 rm -rf ${temp_dir}
3137 AM_CONDITIONAL(SOLARIS_XPG_SYMBOLS_PRESENT, test x$solaris_xpg_symbols_present = xyes)
3138 CFLAGS="$save_CFLAGS"
3141 # Solaris-specific check determining if gcc enables largefile support by
3142 # default for 32-bit executables. If it does, then set SOLARIS_UNDEF_LARGESOURCE
3143 # variable with gcc flags which disable it.
3144 #
3145 AC_MSG_CHECKING([if gcc enables largefile support for 32-bit apps (Solaris-specific)])
3146 save_CFLAGS="$CFLAGS"
3147 CFLAGS="$CFLAGS -m32"
3148 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3149 return _LARGEFILE_SOURCE;
3150 ]])], [
3151 SOLARIS_UNDEF_LARGESOURCE="-U_LARGEFILE_SOURCE -U_LARGEFILE64_SOURCE -U_FILE_OFFSET_BITS"
3152 AC_MSG_RESULT([yes])
3153 ], [
3154 SOLARIS_UNDEF_LARGESOURCE=""
3155 AC_MSG_RESULT([no])
3156 ])
3157 CFLAGS=$safe_CFLAGS
3158 AC_SUBST(SOLARIS_UNDEF_LARGESOURCE)
3161 # Solaris-specific check determining if /proc/self/cmdline
3162 # or /proc/<pid>/cmdline is supported.
3163 #
3164 # C-level symbol: SOLARIS_PROC_CMDLINE
3165 # Automake-level symbol: SOLARIS_PROC_CMDLINE
3166 #
3167 AC_CHECK_FILE([/proc/self/cmdline],
3168 [
3169 solaris_proc_cmdline=yes
3170 AC_DEFINE([SOLARIS_PROC_CMDLINE], 1,
3171 [Define to 1 if you have /proc/self/cmdline.])
3172 ], [
3173 solaris_proc_cmdline=no
3174 ])
3175 AM_CONDITIONAL(SOLARIS_PROC_CMDLINE, test x$solaris_proc_cmdline = xyes)
3178 # Solaris-specific check determining default platform for the Valgrind launcher.
3179 # Used in case the launcher cannot select platform by looking at the client
3180 # image (for example because the executable is a shell script).
3181 #
3182 # C-level symbol: SOLARIS_LAUNCHER_DEFAULT_PLATFORM
3183 # Automake-level symbol: none
3184 #
3185 AC_MSG_CHECKING([for default platform of Valgrind launcher (Solaris-specific)])
3186 # Get the ELF class of /bin/sh first.
3187 if ! test -f /bin/sh; then
3188 AC_MSG_ERROR([Shell interpreter `/bin/sh' not found.])
3189 fi
3190 elf_class=$( /usr/bin/file /bin/sh | sed -n 's/.*ELF \(..\)-bit.*/\1/p' )
3191 case "$elf_class" in
3192 64)
3193 default_arch="$VGCONF_ARCH_PRI";
3194 ;;
3195 32)
3196 if test "x$VGCONF_ARCH_SEC" != "x"; then
3197 default_arch="$VGCONF_ARCH_SEC"
3198 else
3199 default_arch="$VGCONF_ARCH_PRI";
3200 fi
3201 ;;
3202 *)
3203 AC_MSG_ERROR([Cannot determine ELF class of `/bin/sh'.])
3204 ;;
3205 esac
3206 default_platform="$default_arch-$VGCONF_OS"
3207 AC_MSG_RESULT([$default_platform])
3208 AC_DEFINE_UNQUOTED([SOLARIS_LAUNCHER_DEFAULT_PLATFORM], ["$default_platform"],
3209 [Default platform for Valgrind launcher.])
3212 # Solaris-specific check determining if the old syscalls are available.
3213 #
3214 # C-level symbol: SOLARIS_OLD_SYSCALLS
3215 # Automake-level symbol: SOLARIS_OLD_SYSCALLS
3216 #
3217 AC_MSG_CHECKING([for the old Solaris syscalls (Solaris-specific)])
3218 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3219 #include <sys/syscall.h>
3220 ]], [[
3221 return !SYS_open;
3222 ]])], [
3223 solaris_old_syscalls=yes
3224 AC_MSG_RESULT([yes])
3225 AC_DEFINE([SOLARIS_OLD_SYSCALLS], 1,
3226 [Define to 1 if you have the old Solaris syscalls.])
3227 ], [
3228 solaris_old_syscalls=no
3229 AC_MSG_RESULT([no])
3230 ])
3231 AM_CONDITIONAL(SOLARIS_OLD_SYSCALLS, test x$solaris_old_syscalls = xyes)
3234 # Solaris-specific check determining if the new accept() syscall is available.
3235 #
3236 # Old syscall:
3237 # int accept(int sock, struct sockaddr *name, socklen_t *namelenp,
3238 # int version);
3239 #
3240 # New syscall (available on illumos):
3241 # int accept(int sock, struct sockaddr *name, socklen_t *namelenp,
3242 # int version, int flags);
3243 #
3244 # If the old syscall is present then the following syscall will fail with
3245 # ENOTSOCK (because file descriptor 0 is not a socket), if the new syscall is
3246 # available then it will fail with EINVAL (because the flags parameter is
3247 # invalid).
3248 #
3249 # C-level symbol: SOLARIS_NEW_ACCEPT_SYSCALL
3250 # Automake-level symbol: none
3251 #
3252 AC_MSG_CHECKING([for the new `accept' syscall (Solaris-specific)])
3253 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
3254 #include <sys/syscall.h>
3255 #include <errno.h>
3256 ]], [[
3257 errno = 0;
3258 syscall(SYS_accept, 0, 0, 0, 0, -1);
3259 return !(errno == EINVAL);
3260 ]])], [
3261 AC_MSG_RESULT([yes])
3262 AC_DEFINE([SOLARIS_NEW_ACCEPT_SYSCALL], 1,
3263 [Define to 1 if you have the new `accept' syscall.])
3264 ], [
3265 AC_MSG_RESULT([no])
3266 ])
3269 # Solaris-specific check determining if the new illumos pipe() syscall is
3270 # available.
3271 #
3272 # Old syscall:
3273 # longlong_t pipe();
3274 #
3275 # New syscall (available on illumos):
3276 # int pipe(intptr_t arg, int flags);
3277 #
3278 # If the old syscall is present then the following call will succeed, if the
3279 # new syscall is available then it will fail with EFAULT (because address 0
3280 # cannot be accessed).
3281 #
3282 # C-level symbol: SOLARIS_NEW_PIPE_SYSCALL
3283 # Automake-level symbol: none
3284 #
3285 AC_MSG_CHECKING([for the new `pipe' syscall (Solaris-specific)])
3286 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
3287 #include <sys/syscall.h>
3288 #include <errno.h>
3289 ]], [[
3290 errno = 0;
3291 syscall(SYS_pipe, 0, 0);
3292 return !(errno == EFAULT);
3293 ]])], [
3294 AC_MSG_RESULT([yes])
3295 AC_DEFINE([SOLARIS_NEW_PIPE_SYSCALL], 1,
3296 [Define to 1 if you have the new `pipe' syscall.])
3297 ], [
3298 AC_MSG_RESULT([no])
3299 ])
3302 # Solaris-specific check determining if the new lwp_sigqueue() syscall is
3303 # available.
3304 #
3305 # Old syscall:
3306 # int lwp_kill(id_t lwpid, int sig);
3307 #
3308 # New syscall (available on Solaris 11):
3309 # int lwp_sigqueue(id_t lwpid, int sig, void *value,
3310 # int si_code, timespec_t *timeout);
3311 #
3312 # C-level symbol: SOLARIS_LWP_SIGQUEUE_SYSCALL
3313 # Automake-level symbol: SOLARIS_LWP_SIGQUEUE_SYSCALL
3314 #
3315 AC_MSG_CHECKING([for the new `lwp_sigqueue' syscall (Solaris-specific)])
3316 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3317 #include <sys/syscall.h>
3318 ]], [[
3319 return !SYS_lwp_sigqueue;
3320 ]])], [
3321 solaris_lwp_sigqueue_syscall=yes
3322 AC_MSG_RESULT([yes])
3323 AC_DEFINE([SOLARIS_LWP_SIGQUEUE_SYSCALL], 1,
3324 [Define to 1 if you have the new `lwp_sigqueue' syscall.])
3325 ], [
3326 solaris_lwp_sigqueue_syscall=no
3327 AC_MSG_RESULT([no])
3328 ])
3329 AM_CONDITIONAL(SOLARIS_LWP_SIGQUEUE_SYSCALL, test x$solaris_lwp_sigqueue_syscall = xyes)
3332 # Solaris-specific check determining if the lwp_sigqueue() syscall
3333 # takes both pid and thread id arguments or just thread id.
3334 #
3335 # Old syscall (available up to Solaris 11.3):
3336 # int lwp_sigqueue(id_t lwpid, int sig, void *value,
3337 # int si_code, timespec_t *timeout);
3338 #
3339 # New syscall (available since Solaris 11.4):
3340 # int lwp_sigqueue(pid_t pid, id_t lwpid, int sig, void *value,
3341 # int si_code, timespec_t *timeout);
3342 #
3343 # If the old syscall is present then the following syscall will fail with
3344 # EINVAL (because signal is out of range); if the new syscall is available
3345 # then it will fail with ESRCH (because it would not find such thread in the
3346 # current process).
3347 #
3348 # C-level symbol: SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID
3349 # Automake-level symbol: SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID
3350 #
3351 AM_COND_IF(SOLARIS_LWP_SIGQUEUE_SYSCALL,
3352 AC_MSG_CHECKING([if the `lwp_sigqueue' syscall accepts pid (Solaris-specific)])
3353 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
3354 #include <sys/syscall.h>
3355 #include <errno.h>
3356 ]], [[
3357 errno = 0;
3358 syscall(SYS_lwp_sigqueue, 0, 101, 0, 0, 0, 0);
3359 return !(errno == ESRCH);
3360 ]])], [
3361 solaris_lwp_sigqueue_syscall_takes_pid=yes
3362 AC_MSG_RESULT([yes])
3363 AC_DEFINE([SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID], 1,
3364 [Define to 1 if you have the new `lwp_sigqueue' syscall which accepts pid.])
3365 ], [
3366 solaris_lwp_sigqueue_syscall_takes_pid=no
3367 AC_MSG_RESULT([no])
3368 ])
3369 AM_CONDITIONAL(SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID,
3370 test x$solaris_lwp_sigqueue_syscall_takes_pid = xyes)
3371 ,
3372 AM_CONDITIONAL(SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID, test x = y)
3373 )
3376 # Solaris-specific check determining if the new lwp_name() syscall is
3377 # available.
3378 #
3379 # New syscall (available on Solaris 11):
3380 # int lwp_name(int opcode, id_t lwpid, char *name, size_t len);
3381 #
3382 # C-level symbol: SOLARIS_LWP_NAME_SYSCALL
3383 # Automake-level symbol: SOLARIS_LWP_NAME_SYSCALL
3384 #
3385 AC_MSG_CHECKING([for the new `lwp_name' syscall (Solaris-specific)])
3386 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3387 #include <sys/syscall.h>
3388 ]], [[
3389 return !SYS_lwp_name;
3390 ]])], [
3391 solaris_lwp_name_syscall=yes
3392 AC_MSG_RESULT([yes])
3393 AC_DEFINE([SOLARIS_LWP_NAME_SYSCALL], 1,
3394 [Define to 1 if you have the new `lwp_name' syscall.])
3395 ], [
3396 solaris_lwp_name_syscall=no
3397 AC_MSG_RESULT([no])
3398 ])
3399 AM_CONDITIONAL(SOLARIS_LWP_NAME_SYSCALL, test x$solaris_lwp_name_syscall = xyes)
3402 # Solaris-specific check determining if the new getrandom() syscall is
3403 # available.
3404 #
3405 # New syscall (available on Solaris 11):
3406 # int getrandom(void *buf, size_t buflen, uint_t flags);
3407 #
3408 # C-level symbol: SOLARIS_GETRANDOM_SYSCALL
3409 # Automake-level symbol: SOLARIS_GETRANDOM_SYSCALL
3410 #
3411 AC_MSG_CHECKING([for the new `getrandom' syscall (Solaris-specific)])
3412 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3413 #include <sys/syscall.h>
3414 ]], [[
3415 return !SYS_getrandom;
3416 ]])], [
3417 solaris_getrandom_syscall=yes
3418 AC_MSG_RESULT([yes])
3419 AC_DEFINE([SOLARIS_GETRANDOM_SYSCALL], 1,
3420 [Define to 1 if you have the new `getrandom' syscall.])
3421 ], [
3422 solaris_getrandom_syscall=no
3423 AC_MSG_RESULT([no])
3424 ])
3425 AM_CONDITIONAL(SOLARIS_GETRANDOM_SYSCALL, test x$solaris_getrandom_syscall = xyes)
3428 # Solaris-specific check determining if the new zone() syscall subcodes
3429 # ZONE_LIST_DEFUNCT and ZONE_GETATTR_DEFUNCT are available. These subcodes
3430 # were added in Solaris 11 but are missing on illumos.
3431 #
3432 # C-level symbol: SOLARIS_ZONE_DEFUNCT
3433 # Automake-level symbol: SOLARIS_ZONE_DEFUNCT
3434 #
3435 AC_MSG_CHECKING([for ZONE_LIST_DEFUNCT and ZONE_GETATTR_DEFUNCT (Solaris-specific)])
3436 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3437 #include <sys/zone.h>
3438 ]], [[
3439 return !(ZONE_LIST_DEFUNCT && ZONE_GETATTR_DEFUNCT);
3440 ]])], [
3441 solaris_zone_defunct=yes
3442 AC_MSG_RESULT([yes])
3443 AC_DEFINE([SOLARIS_ZONE_DEFUNCT], 1,
3444 [Define to 1 if you have the `ZONE_LIST_DEFUNCT' and `ZONE_GETATTR_DEFUNC' constants.])
3445 ], [
3446 solaris_zone_defunct=no
3447 AC_MSG_RESULT([no])
3448 ])
3449 AM_CONDITIONAL(SOLARIS_ZONE_DEFUNCT, test x$solaris_zone_defunct = xyes)
3452 # Solaris-specific check determining if commands A_GETSTAT and A_SETSTAT
3453 # for auditon(2) subcode of the auditsys() syscall are available.
3454 # These commands are available in Solaris 11 and illumos but were removed
3455 # in Solaris 11.4.
3456 #
3457 # C-level symbol: SOLARIS_AUDITON_STAT
3458 # Automake-level symbol: SOLARIS_AUDITON_STAT
3459 #
3460 AC_MSG_CHECKING([for A_GETSTAT and A_SETSTAT auditon(2) commands (Solaris-specific)])
3461 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3462 #include <bsm/audit.h>
3463 ]], [[
3464 return !(A_GETSTAT && A_SETSTAT);
3465 ]])], [
3466 solaris_auditon_stat=yes
3467 AC_MSG_RESULT([yes])
3468 AC_DEFINE([SOLARIS_AUDITON_STAT], 1,
3469 [Define to 1 if you have the `A_GETSTAT' and `A_SETSTAT' constants.])
3470 ], [
3471 solaris_auditon_stat=no
3472 AC_MSG_RESULT([no])
3473 ])
3474 AM_CONDITIONAL(SOLARIS_AUDITON_STAT, test x$solaris_auditon_stat = xyes)
3477 # Solaris-specific check determining if the new shmsys() syscall subcodes
3478 # IPC_XSTAT64, SHMADV, SHM_ADV_GET, SHM_ADV_SET and SHMGET_OSM are available.
3479 # These subcodes were added in Solaris 11 but are missing on illumos.
3480 #
3481 # C-level symbol: SOLARIS_SHM_NEW
3482 # Automake-level symbol: SOLARIS_SHM_NEW
3483 #
3484 AC_MSG_CHECKING([for SHMADV, SHM_ADV_GET, SHM_ADV_SET and SHMGET_OSM (Solaris-specific)])
3485 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3486 #include <sys/ipc_impl.h>
3487 #include <sys/shm.h>
3488 #include <sys/shm_impl.h>
3489 ]], [[
3490 return !(IPC_XSTAT64 && SHMADV && SHM_ADV_GET && SHM_ADV_SET && SHMGET_OSM);
3491 ]])], [
3492 solaris_shm_new=yes
3493 AC_MSG_RESULT([yes])
3494 AC_DEFINE([SOLARIS_SHM_NEW], 1,
3495 [Define to 1 if you have the `IPC_XSTAT64', `SHMADV', `SHM_ADV_GET', `SHM_ADV_SET' and `SHMGET_OSM' constants.])
3496 ], [
3497 solaris_shm_new=no
3498 AC_MSG_RESULT([no])
3499 ])
3500 AM_CONDITIONAL(SOLARIS_SHM_NEW, test x$solaris_shm_new = xyes)
3503 # Solaris-specific check determining if prxregset_t is available. Illumos
3504 # currently does not define it on the x86 platform.
3505 #
3506 # C-level symbol: SOLARIS_PRXREGSET_T
3507 # Automake-level symbol: SOLARIS_PRXREGSET_T
3508 #
3509 AC_MSG_CHECKING([for the `prxregset_t' type (Solaris-specific)])
3510 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3511 #include <sys/procfs_isa.h>
3512 ]], [[
3513 return !sizeof(prxregset_t);
3514 ]])], [
3515 solaris_prxregset_t=yes
3516 AC_MSG_RESULT([yes])
3517 AC_DEFINE([SOLARIS_PRXREGSET_T], 1,
3518 [Define to 1 if you have the `prxregset_t' type.])
3519 ], [
3520 solaris_prxregset_t=no
3521 AC_MSG_RESULT([no])
3522 ])
3523 AM_CONDITIONAL(SOLARIS_PRXREGSET_T, test x$solaris_prxregset_t = xyes)
3526 # Solaris-specific check determining if the new frealpathat() syscall is
3527 # available.
3528 #
3529 # New syscall (available on Solaris 11.1):
3530 # int frealpathat(int fd, char *path, char *buf, size_t buflen);
3531 #
3532 # C-level symbol: SOLARIS_FREALPATHAT_SYSCALL
3533 # Automake-level symbol: SOLARIS_FREALPATHAT_SYSCALL
3534 #
3535 AC_MSG_CHECKING([for the new `frealpathat' syscall (Solaris-specific)])
3536 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3537 #include <sys/syscall.h>
3538 ]], [[
3539 return !SYS_frealpathat;
3540 ]])], [
3541 solaris_frealpathat_syscall=yes
3542 AC_MSG_RESULT([yes])
3543 AC_DEFINE([SOLARIS_FREALPATHAT_SYSCALL], 1,
3544 [Define to 1 if you have the new `frealpathat' syscall.])
3545 ], [
3546 solaris_frealpathat_syscall=no
3547 AC_MSG_RESULT([no])
3548 ])
3549 AM_CONDITIONAL(SOLARIS_FREALPATHAT_SYSCALL, test x$solaris_frealpathat_syscall = xyes)
3552 # Solaris-specific check determining if the new uuidsys() syscall is
3553 # available.
3554 #
3555 # New syscall (available on newer Solaris):
3556 # int uuidsys(struct uuid *uuid);
3557 #
3558 # C-level symbol: SOLARIS_UUIDSYS_SYSCALL
3559 # Automake-level symbol: SOLARIS_UUIDSYS_SYSCALL
3560 #
3561 AC_MSG_CHECKING([for the new `uuidsys' syscall (Solaris-specific)])
3562 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3563 #include <sys/syscall.h>
3564 ]], [[
3565 return !SYS_uuidsys;
3566 ]])], [
3567 solaris_uuidsys_syscall=yes
3568 AC_MSG_RESULT([yes])
3569 AC_DEFINE([SOLARIS_UUIDSYS_SYSCALL], 1,
3570 [Define to 1 if you have the new `uuidsys' syscall.])
3571 ], [
3572 solaris_uuidsys_syscall=no
3573 AC_MSG_RESULT([no])
3574 ])
3575 AM_CONDITIONAL(SOLARIS_UUIDSYS_SYSCALL, test x$solaris_uuidsys_syscall = xyes)
3578 # Solaris-specific check determining if the new labelsys() syscall subcode
3579 # TNDB_GET_TNIP is available. This subcode was added in Solaris 11 but is
3580 # missing on illumos.
3581 #
3582 # C-level symbol: SOLARIS_TNDB_GET_TNIP
3583 # Automake-level symbol: SOLARIS_TNDB_GET_TNIP
3584 #
3585 AC_MSG_CHECKING([for TNDB_GET_TNIP (Solaris-specific)])
3586 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3587 #include <sys/tsol/tndb.h>
3588 ]], [[
3589 return !TNDB_GET_TNIP;
3590 ]])], [
3591 solaris_tndb_get_tnip=yes
3592 AC_MSG_RESULT([yes])
3593 AC_DEFINE([SOLARIS_TNDB_GET_TNIP], 1,
3594 [Define to 1 if you have the `TNDB_GET_TNIP' constant.])
3595 ], [
3596 solaris_tndb_get_tnip=no
3597 AC_MSG_RESULT([no])
3598 ])
3599 AM_CONDITIONAL(SOLARIS_TNDB_GET_TNIP, test x$solaris_tndb_get_tnip = xyes)
3602 # Solaris-specific check determining if the new labelsys() syscall opcodes
3603 # TSOL_GETCLEARANCE and TSOL_SETCLEARANCE are available. These opcodes were
3604 # added in Solaris 11 but are missing on illumos.
3605 #
3606 # C-level symbol: SOLARIS_TSOL_CLEARANCE
3607 # Automake-level symbol: SOLARIS_TSOL_CLEARANCE
3608 #
3609 AC_MSG_CHECKING([for TSOL_GETCLEARANCE and TSOL_SETCLEARANCE (Solaris-specific)])
3610 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3611 #include <sys/tsol/tsyscall.h>
3612 ]], [[
3613 return !(TSOL_GETCLEARANCE && TSOL_SETCLEARANCE);
3614 ]])], [
3615 solaris_tsol_clearance=yes
3616 AC_MSG_RESULT([yes])
3617 AC_DEFINE([SOLARIS_TSOL_CLEARANCE], 1,
3618 [Define to 1 if you have the `TSOL_GETCLEARANCE' and `TSOL_SETCLEARANCE' constants.])
3619 ], [
3620 solaris_tsol_clearance=no
3621 AC_MSG_RESULT([no])
3622 ])
3623 AM_CONDITIONAL(SOLARIS_TSOL_CLEARANCE, test x$solaris_tsol_clearance = xyes)
3626 # Solaris-specific check determining if the new pset() syscall subcode
3627 # PSET_GET_NAME is available. This subcode was added in Solaris 11.4 but
3628 # is missing on illumos and Solaris 11.3.
3629 #
3630 # C-level symbol: SOLARIS_PSET_GET_NAME
3631 # Automake-level symbol: SOLARIS_PSET_GET_NAME
3632 #
3633 AC_MSG_CHECKING([for PSET_GET_NAME (Solaris-specific)])
3634 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3635 #include <sys/pset.h>
3636 ]], [[
3637 return !(PSET_GET_NAME);
3638 ]])], [
3639 solaris_pset_get_name=yes
3640 AC_MSG_RESULT([yes])
3641 AC_DEFINE([SOLARIS_PSET_GET_NAME], 1,
3642 [Define to 1 if you have the `PSET_GET_NAME' constants.])
3643 ], [
3644 solaris_pset_get_name=no
3645 AC_MSG_RESULT([no])
3646 ])
3647 AM_CONDITIONAL(SOLARIS_PSET_GET_NAME, test x$solaris_pset_get_name = xyes)
3650 # Solaris-specific check determining if the utimesys() syscall is
3651 # available (on illumos and older Solaris).
3652 #
3653 # C-level symbol: SOLARIS_UTIMESYS_SYSCALL
3654 # Automake-level symbol: SOLARIS_UTIMESYS_SYSCALL
3655 #
3656 AC_MSG_CHECKING([for the `utimesys' syscall (Solaris-specific)])
3657 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3658 #include <sys/syscall.h>
3659 ]], [[
3660 return !SYS_utimesys;
3661 ]])], [
3662 solaris_utimesys_syscall=yes
3663 AC_MSG_RESULT([yes])
3664 AC_DEFINE([SOLARIS_UTIMESYS_SYSCALL], 1,
3665 [Define to 1 if you have the `utimesys' syscall.])
3666 ], [
3667 solaris_utimesys_syscall=no
3668 AC_MSG_RESULT([no])
3669 ])
3670 AM_CONDITIONAL(SOLARIS_UTIMESYS_SYSCALL, test x$solaris_utimesys_syscall = xyes)
3673 # Solaris-specific check determining if the utimensat() syscall is
3674 # available (on newer Solaris).
3675 #
3676 # C-level symbol: SOLARIS_UTIMENSAT_SYSCALL
3677 # Automake-level symbol: SOLARIS_UTIMENSAT_SYSCALL
3678 #
3679 AC_MSG_CHECKING([for the `utimensat' syscall (Solaris-specific)])
3680 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3681 #include <sys/syscall.h>
3682 ]], [[
3683 return !SYS_utimensat;
3684 ]])], [
3685 solaris_utimensat_syscall=yes
3686 AC_MSG_RESULT([yes])
3687 AC_DEFINE([SOLARIS_UTIMENSAT_SYSCALL], 1,
3688 [Define to 1 if you have the `utimensat' syscall.])
3689 ], [
3690 solaris_utimensat_syscall=no
3691 AC_MSG_RESULT([no])
3692 ])
3693 AM_CONDITIONAL(SOLARIS_UTIMENSAT_SYSCALL, test x$solaris_utimensat_syscall = xyes)
3696 # Solaris-specific check determining if the spawn() syscall is available
3697 # (on newer Solaris).
3698 #
3699 # C-level symbol: SOLARIS_SPAWN_SYSCALL
3700 # Automake-level symbol: SOLARIS_SPAWN_SYSCALL
3701 #
3702 AC_MSG_CHECKING([for the `spawn' syscall (Solaris-specific)])
3703 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3704 #include <sys/syscall.h>
3705 ]], [[
3706 return !SYS_spawn;
3707 ]])], [
3708 solaris_spawn_syscall=yes
3709 AC_MSG_RESULT([yes])
3710 AC_DEFINE([SOLARIS_SPAWN_SYSCALL], 1,
3711 [Define to 1 if you have the `spawn' syscall.])
3712 ], [
3713 solaris_spawn_syscall=no
3714 AC_MSG_RESULT([no])
3715 ])
3716 AM_CONDITIONAL(SOLARIS_SPAWN_SYSCALL, test x$solaris_spawn_syscall = xyes)
3719 # Solaris-specific check determining if commands MODNVL_CTRLMAP through
3720 # MODDEVINFO_CACHE_TS for modctl() syscall are available (on newer Solaris).
3721 #
3722 # C-level symbol: SOLARIS_MODCTL_MODNVL
3723 # Automake-level symbol: SOLARIS_MODCTL_MODNVL
3724 #
3725 AC_MSG_CHECKING([for MODNVL_CTRLMAP through MODDEVINFO_CACHE_TS modctl(2) commands (Solaris-specific)])
3726 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3727 #include <sys/modctl.h>
3728 ]], [[
3729 return !(MODNVL_CTRLMAP && MODDEVINFO_CACHE_TS);
3730 ]])], [
3731 solaris_modctl_modnvl=yes
3732 AC_MSG_RESULT([yes])
3733 AC_DEFINE([SOLARIS_MODCTL_MODNVL], 1,
3734 [Define to 1 if you have the `MODNVL_CTRLMAP' through `MODDEVINFO_CACHE_TS' constants.])
3735 ], [
3736 solaris_modctl_modnvl=no
3737 AC_MSG_RESULT([no])
3738 ])
3739 AM_CONDITIONAL(SOLARIS_MODCTL_MODNVL, test x$solaris_modctl_modnvl = xyes)
3742 # Solaris-specific check determining whether nscd (name switch cache daemon)
3743 # attaches its door at /system/volatile/name_service_door (Solaris)
3744 # or at /var/run/name_service_door (illumos).
3745 #
3746 # Note that /var/run is a symlink to /system/volatile on Solaris
3747 # but not vice versa on illumos.
3748 #
3749 # C-level symbol: SOLARIS_NSCD_DOOR_SYSTEM_VOLATILE
3750 # Automake-level symbol: SOLARIS_NSCD_DOOR_SYSTEM_VOLATILE
3751 #
3752 AC_MSG_CHECKING([for nscd door location (Solaris-specific)])
3753 if test -e /system/volatile/name_service_door; then
3754 solaris_nscd_door_system_volatile=yes
3755 AC_MSG_RESULT([/system/volatile/name_service_door])
3756 AC_DEFINE([SOLARIS_NSCD_DOOR_SYSTEM_VOLATILE], 1,
3757 [Define to 1 if nscd attaches to /system/volatile/name_service_door.])
3758 else
3759 solaris_nscd_door_system_volatile=no
3760 AC_MSG_RESULT([/var/run/name_service_door])
3761 fi
3762 AM_CONDITIONAL(SOLARIS_NSCD_DOOR_SYSTEM_VOLATILE, test x$solaris_nscd_door_system_volatile = xyes)
3765 # Solaris-specific check determining if the new gethrt() fasttrap is available.
3766 #
3767 # New fasttrap (available on Solaris 11):
3768 # hrt_t *gethrt(void);
3769 #
3770 # C-level symbol: SOLARIS_GETHRT_FASTTRAP
3771 # Automake-level symbol: SOLARIS_GETHRT_FASTTRAP
3772 #
3773 AC_MSG_CHECKING([for the new `gethrt' fasttrap (Solaris-specific)])
3774 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3775 #include <sys/trap.h>
3776 ]], [[
3777 return !T_GETHRT;
3778 ]])], [
3779 solaris_gethrt_fasttrap=yes
3780 AC_MSG_RESULT([yes])
3781 AC_DEFINE([SOLARIS_GETHRT_FASTTRAP], 1,
3782 [Define to 1 if you have the new `gethrt' fasttrap.])
3783 ], [
3784 solaris_gethrt_fasttrap=no
3785 AC_MSG_RESULT([no])
3786 ])
3787 AM_CONDITIONAL(SOLARIS_GETHRT_FASTTRAP, test x$solaris_gethrt_fasttrap = xyes)
3790 # Solaris-specific check determining if the new get_zone_offset() fasttrap
3791 # is available.
3792 #
3793 # New fasttrap (available on Solaris 11):
3794 # zonehrtoffset_t *get_zone_offset(void);
3795 #
3796 # C-level symbol: SOLARIS_GETZONEOFFSET_FASTTRAP
3797 # Automake-level symbol: SOLARIS_GETZONEOFFSET_FASTTRAP
3798 #
3799 AC_MSG_CHECKING([for the new `get_zone_offset' fasttrap (Solaris-specific)])
3800 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3801 #include <sys/trap.h>
3802 ]], [[
3803 return !T_GETZONEOFFSET;
3804 ]])], [
3805 solaris_getzoneoffset_fasttrap=yes
3806 AC_MSG_RESULT([yes])
3807 AC_DEFINE([SOLARIS_GETZONEOFFSET_FASTTRAP], 1,
3808 [Define to 1 if you have the new `get_zone_offset' fasttrap.])
3809 ], [
3810 solaris_getzoneoffset_fasttrap=no
3811 AC_MSG_RESULT([no])
3812 ])
3813 AM_CONDITIONAL(SOLARIS_GETZONEOFFSET_FASTTRAP, test x$solaris_getzoneoffset_fasttrap = xyes)
3816 # Solaris-specific check determining if the execve() syscall
3817 # takes fourth argument (flags) or not.
3818 #
3819 # Old syscall (available on illumos):
3820 # int execve(const char *fname, const char **argv, const char **envp);
3821 #
3822 # New syscall (available on Solaris):
3823 # int execve(uintptr_t file, const char **argv, const char **envp, int flags);
3824 #
3825 # If the new syscall is present then it will fail with EINVAL (because flags
3826 # are invalid); if the old syscall is available then it will fail with ENOENT
3827 # (because the file could not be found).
3828 #
3829 # C-level symbol: SOLARIS_EXECVE_SYSCALL_TAKES_FLAGS
3830 # Automake-level symbol: SOLARIS_EXECVE_SYSCALL_TAKES_FLAGS
3831 #
3832 AC_MSG_CHECKING([if the `execve' syscall accepts flags (Solaris-specific)])
3833 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
3834 #include <sys/syscall.h>
3835 #include <errno.h>
3836 ]], [[
3837 errno = 0;
3838 syscall(SYS_execve, "/no/existing/path", 0, 0, 0xdeadbeef, 0, 0);
3839 return !(errno == EINVAL);
3840 ]])], [
3841 solaris_execve_syscall_takes_flags=yes
3842 AC_MSG_RESULT([yes])
3843 AC_DEFINE([SOLARIS_EXECVE_SYSCALL_TAKES_FLAGS], 1,
3844 [Define to 1 if you have the new `execve' syscall which accepts flags.])
3845 ], [
3846 solaris_execve_syscall_takes_flags=no
3847 AC_MSG_RESULT([no])
3848 ])
3849 AM_CONDITIONAL(SOLARIS_EXECVE_SYSCALL_TAKES_FLAGS,
3850 test x$solaris_execve_syscall_takes_flags = xyes)
3853 # Solaris-specific check determining version of the repository cache protocol.
3854 # Every Solaris version uses a different one, ranging from 21 to current 25.
3855 # The check is very ugly, though.
3856 #
3857 # C-level symbol: SOLARIS_REPCACHE_PROTOCOL_VERSION vv
3858 # Automake-level symbol: none
3859 #
3860 AC_PATH_PROG(DIS_PATH, dis, false)
3861 if test "x$DIS_PATH" = "xfalse"; then
3862 AC_MSG_FAILURE([Object code disassembler (`dis') not found.])
3863 fi
3864 AC_CHECK_LIB(scf, scf_handle_bind, [], [
3865 AC_MSG_WARN([Function `scf_handle_bind' was not found in `libscf'.])
3866 AC_MSG_ERROR([Cannot determine version of the repository cache protocol.])
3867 ])
3869 AC_MSG_CHECKING([for version of the repository cache protocol (Solaris-specific)])
3870 if test "X$VGCONF_ARCH_PRI" = "Xamd64"; then
3871 libscf=/usr/lib/64/libscf.so.1
3872 else
3873 libscf=/usr/lib/libscf.so.1
3874 fi
3875 if ! $DIS_PATH -F scf_handle_bind $libscf | grep -q 0x526570; then
3876 AC_MSG_WARN([Function `scf_handle_bind' does not contain repository cache protocol version.])
3877 AC_MSG_ERROR([Cannot determine version of the repository cache protocol.])
3878 fi
3879 hex=$( $DIS_PATH -F scf_handle_bind $libscf | sed -n 's/.*0x526570\(..\).*/\1/p' )
3880 if test -z "$hex"; then
3881 AC_MSG_WARN([Version of the repository cache protocol is empty?!])
3882 AC_MSG_ERROR([Cannot determine version of the repository cache protocol.])
3883 fi
3884 version=$( printf "%d\n" 0x$hex )
3885 AC_MSG_RESULT([$version])
3886 AC_DEFINE_UNQUOTED([SOLARIS_REPCACHE_PROTOCOL_VERSION], [$version],
3887 [Version number of the repository door cache protocol.])
3890 # Solaris-specific check determining if "sysstat" segment reservation type
3891 # is available.
3892 #
3893 # New "sysstat" segment reservation (available on Solaris 11.4):
3894 # - program header type: PT_SUNW_SYSSTAT
3895 # - auxiliary vector entry: AT_SUN_SYSSTAT_ADDR
3896 #
3897 # C-level symbol: SOLARIS_RESERVE_SYSSTAT_ADDR
3898 # Automake-level symbol: SOLARIS_RESERVE_SYSSTAT_ADDR
3899 #
3900 AC_MSG_CHECKING([for the new `sysstat' segment reservation (Solaris-specific)])
3901 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3902 #include <sys/auxv.h>
3903 ]], [[
3904 return !AT_SUN_SYSSTAT_ADDR;
3905 ]])], [
3906 solaris_reserve_sysstat_addr=yes
3907 AC_MSG_RESULT([yes])
3908 AC_DEFINE([SOLARIS_RESERVE_SYSSTAT_ADDR], 1,
3909 [Define to 1 if you have the new `sysstat' segment reservation.])
3910 ], [
3911 solaris_reserve_sysstat_addr=no
3912 AC_MSG_RESULT([no])
3913 ])
3914 AM_CONDITIONAL(SOLARIS_RESERVE_SYSSTAT_ADDR, test x$solaris_reserve_sysstat_addr = xyes)
3917 # Solaris-specific check determining if "sysstat_zone" segment reservation type
3918 # is available.
3919 #
3920 # New "sysstat_zone" segment reservation (available on Solaris 11.4):
3921 # - program header type: PT_SUNW_SYSSTAT_ZONE
3922 # - auxiliary vector entry: AT_SUN_SYSSTAT_ZONE_ADDR
3923 #
3924 # C-level symbol: SOLARIS_RESERVE_SYSSTAT_ZONE_ADDR
3925 # Automake-level symbol: SOLARIS_RESERVE_SYSSTAT_ZONE_ADDR
3926 #
3927 AC_MSG_CHECKING([for the new `sysstat_zone' segment reservation (Solaris-specific)])
3928 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3929 #include <sys/auxv.h>
3930 ]], [[
3931 return !AT_SUN_SYSSTAT_ZONE_ADDR;
3932 ]])], [
3933 solaris_reserve_sysstat_zone_addr=yes
3934 AC_MSG_RESULT([yes])
3935 AC_DEFINE([SOLARIS_RESERVE_SYSSTAT_ZONE_ADDR], 1,
3936 [Define to 1 if you have the new `sysstat_zone' segment reservation.])
3937 ], [
3938 solaris_reserve_sysstat_zone_addr=no
3939 AC_MSG_RESULT([no])
3940 ])
3941 AM_CONDITIONAL(SOLARIS_RESERVE_SYSSTAT_ZONE_ADDR, test x$solaris_reserve_sysstat_zone_addr = xyes)
3944 # Solaris-specific check determining if the system_stats() syscall is available
3945 # (on newer Solaris).
3946 #
3947 # C-level symbol: SOLARIS_SYSTEM_STATS_SYSCALL
3948 # Automake-level symbol: SOLARIS_SYSTEM_STATS_SYSCALL
3949 #
3950 AC_MSG_CHECKING([for the `system_stats' syscall (Solaris-specific)])
3951 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3952 #include <sys/syscall.h>
3953 ]], [[
3954 return !SYS_system_stats;
3955 ]])], [
3956 solaris_system_stats_syscall=yes
3957 AC_MSG_RESULT([yes])
3958 AC_DEFINE([SOLARIS_SYSTEM_STATS_SYSCALL], 1,
3959 [Define to 1 if you have the `system_stats' syscall.])
3960 ], [
3961 solaris_system_stats_syscall=no
3962 AC_MSG_RESULT([no])
3963 ])
3964 AM_CONDITIONAL(SOLARIS_SYSTEM_STATS_SYSCALL, test x$solaris_system_stats_syscall = xyes)
3967 # Solaris-specific check determining if fpregset_t defines struct _fpchip_state
3968 # (on newer illumos) or struct fpchip_state (Solaris, older illumos).
3969 #
3970 # C-level symbol: SOLARIS_FPCHIP_STATE_TAKES_UNDERSCORE
3971 # Automake-level symbol: none
3972 #
3973 AC_CHECK_TYPE([struct _fpchip_state],
3974 [solaris_fpchip_state_takes_underscore=yes],
3975 [solaris_fpchip_state_takes_underscore=no],
3976 [[#include <sys/regset.h>]])
3977 if test "$solaris_fpchip_state_takes_underscore" = "yes"; then
3978 AC_DEFINE(SOLARIS_FPCHIP_STATE_TAKES_UNDERSCORE, 1,
3979 [Define to 1 if fpregset_t defines struct _fpchip_state])
3980 fi
3983 # Solaris-specific check determining if schedctl page shared between kernel
3984 # and userspace program is executable (illumos, older Solaris) or not (newer
3985 # Solaris).
3986 #
3987 # C-level symbol: SOLARIS_SCHEDCTL_PAGE_EXEC
3988 # Automake-level symbol: none
3989 #
3990 AC_MSG_CHECKING([if schedctl page is executable (Solaris-specific)])
3991 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
3992 #include <assert.h>
3993 #include <fcntl.h>
3994 #include <procfs.h>
3995 #include <schedctl.h>
3996 #include <stdio.h>
3997 #include <unistd.h>
3998 ]], [[
3999 schedctl_t *scp = schedctl_init();
4000 if (scp == NULL)
4001 return 1;
4003 int fd = open("/proc/self/map", O_RDONLY);
4004 assert(fd >= 0);
4006 prmap_t map;
4007 ssize_t rd;
4008 while ((rd = read(fd, &map, sizeof(map))) == sizeof(map)) {
4009 if (map.pr_vaddr == ((uintptr_t) scp & PAGEMASK)) {
4010 fprintf(stderr, "%#lx [%zu] %s\n", map.pr_vaddr, map.pr_size,
4011 (map.pr_mflags & MA_EXEC) ? "x" : "no-x");
4012 return (map.pr_mflags & MA_EXEC);
4013 }
4014 }
4016 return 1;
4017 ]])], [
4018 solaris_schedctl_page_exec=no
4019 AC_MSG_RESULT([no])
4020 ], [
4021 solaris_schedctl_page_exec=yes
4022 AC_MSG_RESULT([yes])
4023 AC_DEFINE([SOLARIS_SCHEDCTL_PAGE_EXEC], 1,
4024 [Define to 1 if you have the schedctl page executable.])
4025 ])
4028 # Solaris-specific check determining if PT_SUNWDTRACE program header provides
4029 # scratch space for DTrace fasttrap provider (illumos, older Solaris) or just
4030 # an initial thread pointer for libc (newer Solaris).
4031 #
4032 # C-level symbol: SOLARIS_PT_SUNDWTRACE_THRP
4033 # Automake-level symbol: none
4034 #
4035 AC_MSG_CHECKING([if PT_SUNWDTRACE serves for initial thread pointer (Solaris-specific)])
4036 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
4037 #include <sys/fasttrap_isa.h>
4038 ]], [[
4039 return !FT_SCRATCHSIZE;
4040 ]])], [
4041 solaris_pt_sunwdtrace_thrp=yes
4042 AC_MSG_RESULT([yes])
4043 AC_DEFINE([SOLARIS_PT_SUNDWTRACE_THRP], 1,
4044 [Define to 1 if PT_SUNWDTRACE program header provides just an initial thread pointer for libc.])
4045 ], [
4046 solaris_pt_sunwdtrace_thrp=no
4047 AC_MSG_RESULT([no])
4048 ])
4050 else
4051 AM_CONDITIONAL(SOLARIS_SUN_STUDIO_AS, false)
4052 AM_CONDITIONAL(SOLARIS_XPG_SYMBOLS_PRESENT, false)
4053 AM_CONDITIONAL(SOLARIS_PROC_CMDLINE, false)
4054 AM_CONDITIONAL(SOLARIS_OLD_SYSCALLS, false)
4055 AM_CONDITIONAL(SOLARIS_LWP_SIGQUEUE_SYSCALL, false)
4056 AM_CONDITIONAL(SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID, false)
4057 AM_CONDITIONAL(SOLARIS_LWP_NAME_SYSCALL, false)
4058 AM_CONDITIONAL(SOLARIS_GETRANDOM_SYSCALL, false)
4059 AM_CONDITIONAL(SOLARIS_ZONE_DEFUNCT, false)
4060 AM_CONDITIONAL(SOLARIS_AUDITON_STAT, false)
4061 AM_CONDITIONAL(SOLARIS_SHM_NEW, false)
4062 AM_CONDITIONAL(SOLARIS_PRXREGSET_T, false)
4063 AM_CONDITIONAL(SOLARIS_FREALPATHAT_SYSCALL, false)
4064 AM_CONDITIONAL(SOLARIS_UUIDSYS_SYSCALL, false)
4065 AM_CONDITIONAL(SOLARIS_TNDB_GET_TNIP, false)
4066 AM_CONDITIONAL(SOLARIS_TSOL_CLEARANCE, false)
4067 AM_CONDITIONAL(SOLARIS_PSET_GET_NAME, false)
4068 AM_CONDITIONAL(SOLARIS_UTIMESYS_SYSCALL, false)
4069 AM_CONDITIONAL(SOLARIS_UTIMENSAT_SYSCALL, false)
4070 AM_CONDITIONAL(SOLARIS_SPAWN_SYSCALL, false)
4071 AM_CONDITIONAL(SOLARIS_MODCTL_MODNVL, false)
4072 AM_CONDITIONAL(SOLARIS_NSCD_DOOR_SYSTEM_VOLATILE, false)
4073 AM_CONDITIONAL(SOLARIS_GETHRT_FASTTRAP, false)
4074 AM_CONDITIONAL(SOLARIS_GETZONEOFFSET_FASTTRAP, false)
4075 AM_CONDITIONAL(SOLARIS_EXECVE_SYSCALL_TAKES_FLAGS, false)
4076 AM_CONDITIONAL(SOLARIS_RESERVE_SYSSTAT_ADDR, false)
4077 AM_CONDITIONAL(SOLARIS_RESERVE_SYSSTAT_ZONE_ADDR, false)
4078 AM_CONDITIONAL(SOLARIS_SYSTEM_STATS_SYSCALL, false)
4079 fi # test "$VGCONF_OS" = "solaris"
4082 #----------------------------------------------------------------------------
4083 # Checks for C header files.
4084 #----------------------------------------------------------------------------
4086 AC_CHECK_HEADERS([ \
4087 asm/unistd.h \
4088 endian.h \
4089 mqueue.h \
4090 sys/endian.h \
4091 sys/epoll.h \
4092 sys/eventfd.h \
4093 sys/klog.h \
4094 sys/poll.h \
4095 sys/prctl.h \
4096 sys/signal.h \
4097 sys/signalfd.h \
4098 sys/syscall.h \
4099 sys/sysnvl.h \
4100 sys/time.h \
4101 sys/types.h \
4102 ])
4104 # Verify whether the <linux/futex.h> header is usable.
4105 AC_MSG_CHECKING([if <linux/futex.h> is usable])
4107 save_CFLAGS="$CFLAGS"
4108 CFLAGS="$CFLAGS -D__user="
4109 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4110 #include <linux/futex.h>
4111 ]], [[
4112 return FUTEX_WAIT;
4113 ]])], [
4114 ac_have_usable_linux_futex_h=yes
4115 AC_DEFINE([HAVE_USABLE_LINUX_FUTEX_H], 1,
4116 [Define to 1 if you have a usable <linux/futex.h> header file.])
4117 AC_MSG_RESULT([yes])
4118 ], [
4119 ac_have_usable_linux_futex_h=no
4120 AC_MSG_RESULT([no])
4121 ])
4122 CFLAGS="$save_CFLAGS"
4125 #----------------------------------------------------------------------------
4126 # Checks for typedefs, structures, and compiler characteristics.
4127 #----------------------------------------------------------------------------
4128 AC_TYPE_UID_T
4129 AC_TYPE_OFF_T
4130 AC_TYPE_SIZE_T
4131 AC_HEADER_TIME
4134 #----------------------------------------------------------------------------
4135 # Checks for library functions.
4136 #----------------------------------------------------------------------------
4137 AC_FUNC_MEMCMP
4138 AC_FUNC_MMAP
4140 AC_CHECK_LIB([pthread], [pthread_create])
4141 AC_CHECK_LIB([rt], [clock_gettime])
4143 AC_CHECK_FUNCS([ \
4144 clock_gettime\
4145 epoll_create \
4146 epoll_pwait \
4147 klogctl \
4148 mallinfo \
4149 memchr \
4150 memset \
4151 mkdir \
4152 mremap \
4153 ppoll \
4154 pthread_barrier_init \
4155 pthread_condattr_setclock \
4156 pthread_mutex_timedlock \
4157 pthread_rwlock_timedrdlock \
4158 pthread_rwlock_timedwrlock \
4159 pthread_spin_lock \
4160 pthread_yield \
4161 pthread_setname_np \
4162 readlinkat \
4163 semtimedop \
4164 signalfd \
4165 sigwaitinfo \
4166 strchr \
4167 strdup \
4168 strpbrk \
4169 strrchr \
4170 strstr \
4171 syscall \
4172 utimensat \
4173 process_vm_readv \
4174 process_vm_writev \
4175 copy_file_range \
4176 ])
4178 # AC_CHECK_LIB adds any library found to the variable LIBS, and links these
4179 # libraries with any shared object and/or executable. This is NOT what we
4180 # want for e.g. vgpreload_core-x86-linux.so
4181 LIBS=""
4183 AM_CONDITIONAL([HAVE_PTHREAD_BARRIER],
4184 [test x$ac_cv_func_pthread_barrier_init = xyes])
4185 AM_CONDITIONAL([HAVE_PTHREAD_MUTEX_TIMEDLOCK],
4186 [test x$ac_cv_func_pthread_mutex_timedlock = xyes])
4187 AM_CONDITIONAL([HAVE_PTHREAD_SPINLOCK],
4188 [test x$ac_cv_func_pthread_spin_lock = xyes])
4189 AM_CONDITIONAL([HAVE_PTHREAD_SETNAME_NP],
4190 [test x$ac_cv_func_pthread_setname_np = xyes])
4191 AM_CONDITIONAL([HAVE_COPY_FILE_RANGE],
4192 [test x$ac_cv_func_copy_file_range = xyes])
4194 if test x$VGCONF_PLATFORM_PRI_CAPS = xMIPS32_LINUX \
4195 -o x$VGCONF_PLATFORM_PRI_CAPS = xMIPS64_LINUX ; then
4196 AC_DEFINE([DISABLE_PTHREAD_SPINLOCK_INTERCEPT], 1,
4197 [Disable intercept pthread_spin_lock() on MIPS32 and MIPS64.])
4198 fi
4200 #----------------------------------------------------------------------------
4201 # MPI checks
4202 #----------------------------------------------------------------------------
4203 # Do we have a useable MPI setup on the primary and/or secondary targets?
4204 # On Linux, by default, assumes mpicc and -m32/-m64
4205 # Note: this is a kludge in that it assumes the specified mpicc
4206 # understands -m32/-m64 regardless of what is specified using
4207 # --with-mpicc=.
4208 AC_PATH_PROG([MPI_CC], [mpicc], [mpicc],
4209 [$PATH:/usr/lib/openmpi/bin:/usr/lib64/openmpi/bin])
4211 mflag_primary=
4212 if test x$VGCONF_PLATFORM_PRI_CAPS = xX86_LINUX \
4213 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC32_LINUX \
4214 -o x$VGCONF_PLATFORM_PRI_CAPS = xARM_LINUX \
4215 -o x$VGCONF_PLATFORM_PRI_CAPS = xMIPS32_LINUX \
4216 -o x$VGCONF_PLATFORM_PRI_CAPS = xX86_SOLARIS ; then
4217 mflag_primary=$FLAG_M32
4218 elif test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_LINUX \
4219 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC64_LINUX \
4220 -o x$VGCONF_PLATFORM_PRI_CAPS = xARM64_LINUX \
4221 -o x$VGCONF_PLATFORM_PRI_CAPS = xMIPS64_LINUX \
4222 -o x$VGCONF_PLATFORM_PRI_CAPS = xS390X_LINUX ; then
4223 mflag_primary=$FLAG_M64
4224 elif test x$VGCONF_PLATFORM_PRI_CAPS = xX86_DARWIN ; then
4225 mflag_primary="$FLAG_M32 -arch i386"
4226 elif test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_DARWIN ; then
4227 mflag_primary="$FLAG_M64 -arch x86_64"
4228 fi
4230 mflag_secondary=
4231 if test x$VGCONF_PLATFORM_SEC_CAPS = xX86_LINUX \
4232 -o x$VGCONF_PLATFORM_SEC_CAPS = xPPC32_LINUX \
4233 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_SOLARIS \
4234 -o x$VGCONF_PLATFORM_SEC_CAPS = xMIPS32_LINUX ; then
4235 mflag_secondary=$FLAG_M32
4236 elif test x$VGCONF_PLATFORM_SEC_CAPS = xX86_DARWIN ; then
4237 mflag_secondary="$FLAG_M32 -arch i386"
4238 fi
4241 AC_ARG_WITH(mpicc,
4242 [ --with-mpicc= Specify name of MPI2-ised C compiler],
4243 MPI_CC=$withval
4244 )
4245 AC_SUBST(MPI_CC)
4247 ## We AM_COND_IF here instead of automake "if" in mpi/Makefile.am so that we can
4248 ## use these values in the check for a functioning mpicc.
4249 ##
4250 ## We leave the MPI_FLAG_M3264_ logic in mpi/Makefile.am and assume that
4251 ## mflag_primary/mflag_secondary are sufficient approximations of that behavior
4252 AM_COND_IF([VGCONF_OS_IS_LINUX],
4253 [CFLAGS_MPI="-g -O -fno-omit-frame-pointer -Wall -fpic"
4254 LDFLAGS_MPI="-fpic -shared"])
4255 AM_COND_IF([VGCONF_OS_IS_DARWIN],
4256 [CFLAGS_MPI="-g -O -fno-omit-frame-pointer -Wall -dynamic"
4257 LDFLAGS_MPI="-dynamic -dynamiclib -all_load"])
4258 AM_COND_IF([VGCONF_OS_IS_SOLARIS],
4259 [CFLAGS_MPI="-g -O -fno-omit-frame-pointer -Wall -fpic"
4260 LDFLAGS_MPI="-fpic -shared"])
4262 AC_SUBST([CFLAGS_MPI])
4263 AC_SUBST([LDFLAGS_MPI])
4266 ## See if MPI_CC works for the primary target
4267 ##
4268 AC_MSG_CHECKING([primary target for usable MPI2-compliant C compiler and mpi.h])
4269 saved_CC=$CC
4270 saved_CFLAGS=$CFLAGS
4271 CC=$MPI_CC
4272 CFLAGS="$CFLAGS_MPI $mflag_primary"
4273 saved_LDFLAGS="$LDFLAGS"
4274 LDFLAGS="$LDFLAGS_MPI $mflag_primary"
4275 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
4276 #include <mpi.h>
4277 #include <stdio.h>
4278 ]], [[
4279 int ni, na, nd, comb;
4280 int r = MPI_Init(NULL,NULL);
4281 r |= MPI_Type_get_envelope( MPI_INT, &ni, &na, &nd, &comb );
4282 r |= MPI_Finalize();
4283 return r;
4284 ]])], [
4285 ac_have_mpi2_pri=yes
4286 AC_MSG_RESULT([yes, $MPI_CC])
4287 ], [
4288 ac_have_mpi2_pri=no
4289 AC_MSG_RESULT([no])
4290 ])
4291 CC=$saved_CC
4292 CFLAGS=$saved_CFLAGS
4293 LDFLAGS="$saved_LDFLAGS"
4294 AM_CONDITIONAL(BUILD_MPIWRAP_PRI, test x$ac_have_mpi2_pri = xyes)
4296 ## See if MPI_CC works for the secondary target. Complication: what if
4297 ## there is no secondary target? We need this to then fail.
4298 ## Kludge this by making MPI_CC something which will surely fail in
4299 ## such a case.
4300 ##
4301 AC_MSG_CHECKING([secondary target for usable MPI2-compliant C compiler and mpi.h])
4302 saved_CC=$CC
4303 saved_CFLAGS=$CFLAGS
4304 saved_LDFLAGS="$LDFLAGS"
4305 LDFLAGS="$LDFLAGS_MPI $mflag_secondary"
4306 if test x$VGCONF_PLATFORM_SEC_CAPS = x ; then
4307 CC="$MPI_CC this will surely fail"
4308 else
4309 CC=$MPI_CC
4310 fi
4311 CFLAGS="$CFLAGS_MPI $mflag_secondary"
4312 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
4313 #include <mpi.h>
4314 #include <stdio.h>
4315 ]], [[
4316 int ni, na, nd, comb;
4317 int r = MPI_Init(NULL,NULL);
4318 r |= MPI_Type_get_envelope( MPI_INT, &ni, &na, &nd, &comb );
4319 r |= MPI_Finalize();
4320 return r;
4321 ]])], [
4322 ac_have_mpi2_sec=yes
4323 AC_MSG_RESULT([yes, $MPI_CC])
4324 ], [
4325 ac_have_mpi2_sec=no
4326 AC_MSG_RESULT([no])
4327 ])
4328 CC=$saved_CC
4329 CFLAGS=$saved_CFLAGS
4330 LDFLAGS="$saved_LDFLAGS"
4331 AM_CONDITIONAL(BUILD_MPIWRAP_SEC, test x$ac_have_mpi2_sec = xyes)
4334 #----------------------------------------------------------------------------
4335 # Other library checks
4336 #----------------------------------------------------------------------------
4337 # There now follow some tests for Boost, and OpenMP. These
4338 # tests are present because Drd has some regression tests that use
4339 # these packages. All regression test programs all compiled only
4340 # for the primary target. And so it is important that the configure
4341 # checks that follow, use the correct -m32 or -m64 flag for the
4342 # primary target (called $mflag_primary). Otherwise, we can end up
4343 # in a situation (eg) where, on amd64-linux, the test for Boost checks
4344 # for usable 64-bit Boost facilities, but because we are doing a 32-bit
4345 # only build (meaning, the primary target is x86-linux), the build
4346 # of the regtest programs that use Boost fails, because they are
4347 # build as 32-bit (IN THIS EXAMPLE).
4348 #
4349 # Hence: ALWAYS USE $mflag_primary FOR CONFIGURE TESTS FOR FACILITIES
4350 # NEEDED BY THE REGRESSION TEST PROGRAMS.
4353 # Check whether the boost library 1.35 or later has been installed.
4354 # The Boost.Threads library has undergone a major rewrite in version 1.35.0.
4356 AC_MSG_CHECKING([for boost])
4358 AC_LANG(C++)
4359 safe_CXXFLAGS=$CXXFLAGS
4360 CXXFLAGS="$mflag_primary"
4361 safe_LIBS="$LIBS"
4362 LIBS="-lboost_thread-mt -lboost_system-mt $LIBS"
4364 AC_LINK_IFELSE([AC_LANG_SOURCE([
4365 #include <boost/thread.hpp>
4366 static void thread_func(void)
4367 { }
4368 int main(int argc, char** argv)
4369 {
4370 boost::thread t(thread_func);
4371 return 0;
4372 }
4373 ])],
4374 [
4375 ac_have_boost_1_35=yes
4376 AC_SUBST([BOOST_CFLAGS], [])
4377 AC_SUBST([BOOST_LIBS], ["-lboost_thread-mt -lboost_system-mt"])
4378 AC_MSG_RESULT([yes])
4379 ], [
4380 ac_have_boost_1_35=no
4381 AC_MSG_RESULT([no])
4382 ])
4384 LIBS="$safe_LIBS"
4385 CXXFLAGS=$safe_CXXFLAGS
4386 AC_LANG(C)
4388 AM_CONDITIONAL([HAVE_BOOST_1_35], [test x$ac_have_boost_1_35 = xyes])
4391 # does this compiler support -fopenmp, does it have the include file
4392 # <omp.h> and does it have libgomp ?
4394 AC_MSG_CHECKING([for OpenMP])
4396 safe_CFLAGS=$CFLAGS
4397 CFLAGS="-fopenmp $mflag_primary -Werror"
4399 AC_LINK_IFELSE([AC_LANG_SOURCE([
4400 #include <omp.h>
4401 int main(int argc, char** argv)
4402 {
4403 omp_set_dynamic(0);
4404 return 0;
4405 }
4406 ])],
4407 [
4408 ac_have_openmp=yes
4409 AC_MSG_RESULT([yes])
4410 ], [
4411 ac_have_openmp=no
4412 AC_MSG_RESULT([no])
4413 ])
4414 CFLAGS=$safe_CFLAGS
4416 AM_CONDITIONAL([HAVE_OPENMP], [test x$ac_have_openmp = xyes])
4419 # Check for __builtin_popcount
4420 AC_MSG_CHECKING([for __builtin_popcount()])
4421 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
4422 ]], [[
4423 __builtin_popcount(2);
4424 return 0;
4425 ]])], [
4426 AC_MSG_RESULT([yes])
4427 AC_DEFINE([HAVE_BUILTIN_POPCOUT], 1,
4428 [Define to 1 if compiler provides __builtin_popcount().])
4429 ], [
4430 AC_MSG_RESULT([no])
4431 ])
4433 # Check for __builtin_clz
4434 AC_MSG_CHECKING([for __builtin_clz()])
4435 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
4436 ]], [[
4437 __builtin_clz(2);
4438 return 0;
4439 ]])], [
4440 AC_MSG_RESULT([yes])
4441 AC_DEFINE([HAVE_BUILTIN_CLZ], 1,
4442 [Define to 1 if compiler provides __builtin_clz().])
4443 ], [
4444 AC_MSG_RESULT([no])
4445 ])
4447 # Check for __builtin_ctz
4448 AC_MSG_CHECKING([for __builtin_ctz()])
4449 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
4450 ]], [[
4451 __builtin_ctz(2);
4452 return 0;
4453 ]])], [
4454 AC_MSG_RESULT([yes])
4455 AC_DEFINE([HAVE_BUILTIN_CTZ], 1,
4456 [Define to 1 if compiler provides __builtin_ctz().])
4457 ], [
4458 AC_MSG_RESULT([no])
4459 ])
4461 # does this compiler have built-in functions for atomic memory access for the
4462 # primary target ?
4463 AC_MSG_CHECKING([if gcc supports __sync_add_and_fetch for the primary target])
4465 safe_CFLAGS=$CFLAGS
4466 CFLAGS="$mflag_primary"
4468 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
4469 int variable = 1;
4470 return (__sync_bool_compare_and_swap(&variable, 1, 2)
4471 && __sync_add_and_fetch(&variable, 1) ? 1 : 0)
4472 ]])], [
4473 ac_have_builtin_atomic_primary=yes
4474 AC_MSG_RESULT([yes])
4475 AC_DEFINE(HAVE_BUILTIN_ATOMIC, 1, [Define to 1 if gcc supports __sync_bool_compare_and_swap() and __sync_add_and_fetch() for the primary target])
4476 ], [
4477 ac_have_builtin_atomic_primary=no
4478 AC_MSG_RESULT([no])
4479 ])
4481 CFLAGS=$safe_CFLAGS
4483 AM_CONDITIONAL([HAVE_BUILTIN_ATOMIC],
4484 [test x$ac_have_builtin_atomic_primary = xyes])
4487 # does this compiler have built-in functions for atomic memory access for the
4488 # secondary target ?
4490 if test x$VGCONF_PLATFORM_SEC_CAPS != x; then
4492 AC_MSG_CHECKING([if gcc supports __sync_add_and_fetch for the secondary target])
4494 safe_CFLAGS=$CFLAGS
4495 CFLAGS="$mflag_secondary"
4497 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
4498 int variable = 1;
4499 return (__sync_add_and_fetch(&variable, 1) ? 1 : 0)
4500 ]])], [
4501 ac_have_builtin_atomic_secondary=yes
4502 AC_MSG_RESULT([yes])
4503 ], [
4504 ac_have_builtin_atomic_secondary=no
4505 AC_MSG_RESULT([no])
4506 ])
4508 CFLAGS=$safe_CFLAGS
4510 fi
4512 AM_CONDITIONAL([HAVE_BUILTIN_ATOMIC_SECONDARY],
4513 [test x$ac_have_builtin_atomic_secondary = xyes])
4515 # does this compiler have built-in functions for atomic memory access on
4516 # 64-bit integers for all targets ?
4518 AC_MSG_CHECKING([if gcc supports __sync_add_and_fetch on uint64_t for all targets])
4520 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
4521 #include <stdint.h>
4522 ]], [[
4523 uint64_t variable = 1;
4524 return __sync_add_and_fetch(&variable, 1)
4525 ]])], [
4526 ac_have_builtin_atomic64_primary=yes
4527 ], [
4528 ac_have_builtin_atomic64_primary=no
4529 ])
4531 if test x$VGCONF_PLATFORM_SEC_CAPS != x; then
4533 safe_CFLAGS=$CFLAGS
4534 CFLAGS="$mflag_secondary"
4536 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
4537 #include <stdint.h>
4538 ]], [[
4539 uint64_t variable = 1;
4540 return __sync_add_and_fetch(&variable, 1)
4541 ]])], [
4542 ac_have_builtin_atomic64_secondary=yes
4543 ], [
4544 ac_have_builtin_atomic64_secondary=no
4545 ])
4547 CFLAGS=$safe_CFLAGS
4549 fi
4551 if test x$ac_have_builtin_atomic64_primary = xyes && \
4552 test x$VGCONF_PLATFORM_SEC_CAPS = x \
4553 -o x$ac_have_builtin_atomic64_secondary = xyes; then
4554 AC_MSG_RESULT([yes])
4555 ac_have_builtin_atomic64=yes
4556 else
4557 AC_MSG_RESULT([no])
4558 ac_have_builtin_atomic64=no
4559 fi
4561 AM_CONDITIONAL([HAVE_BUILTIN_ATOMIC64],
4562 [test x$ac_have_builtin_atomic64 = xyes])
4565 # does g++ have built-in functions for atomic memory access ?
4566 AC_MSG_CHECKING([if g++ supports __sync_add_and_fetch])
4568 safe_CXXFLAGS=$CXXFLAGS
4569 CXXFLAGS="$mflag_primary"
4571 AC_LANG_PUSH(C++)
4572 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
4573 int variable = 1;
4574 return (__sync_bool_compare_and_swap(&variable, 1, 2)
4575 && __sync_add_and_fetch(&variable, 1) ? 1 : 0)
4576 ]])], [
4577 ac_have_builtin_atomic_cxx=yes
4578 AC_MSG_RESULT([yes])
4579 AC_DEFINE(HAVE_BUILTIN_ATOMIC_CXX, 1, [Define to 1 if g++ supports __sync_bool_compare_and_swap() and __sync_add_and_fetch()])
4580 ], [
4581 ac_have_builtin_atomic_cxx=no
4582 AC_MSG_RESULT([no])
4583 ])
4584 AC_LANG_POP(C++)
4586 CXXFLAGS=$safe_CXXFLAGS
4588 AM_CONDITIONAL([HAVE_BUILTIN_ATOMIC_CXX], [test x$ac_have_builtin_atomic_cxx = xyes])
4591 if test x$ac_have_usable_linux_futex_h = xyes \
4592 -a x$ac_have_builtin_atomic_primary = xyes; then
4593 ac_enable_linux_ticket_lock_primary=yes
4594 fi
4595 AM_CONDITIONAL([ENABLE_LINUX_TICKET_LOCK_PRIMARY],
4596 [test x$ac_enable_linux_ticket_lock_primary = xyes])
4598 if test x$VGCONF_PLATFORM_SEC_CAPS != x \
4599 -a x$ac_have_usable_linux_futex_h = xyes \
4600 -a x$ac_have_builtin_atomic_secondary = xyes; then
4601 ac_enable_linux_ticket_lock_secondary=yes
4602 fi
4603 AM_CONDITIONAL([ENABLE_LINUX_TICKET_LOCK_SECONDARY],
4604 [test x$ac_enable_linux_ticket_lock_secondary = xyes])
4607 # does libstdc++ support annotating shared pointers ?
4608 AC_MSG_CHECKING([if libstdc++ supports annotating shared pointers])
4610 safe_CXXFLAGS=$CXXFLAGS
4611 CXXFLAGS="-std=c++0x"
4613 AC_LANG_PUSH(C++)
4614 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
4615 #include <memory>
4616 ]], [[
4617 std::shared_ptr<int> p
4618 ]])], [
4619 ac_have_shared_ptr=yes
4620 ], [
4621 ac_have_shared_ptr=no
4622 ])
4623 if test x$ac_have_shared_ptr = xyes; then
4624 # If compilation of the program below fails because of a syntax error
4625 # triggered by substituting one of the annotation macros then that
4626 # means that libstdc++ supports these macros.
4627 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
4628 #define _GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(a) (a)----
4629 #define _GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(a) (a)----
4630 #include <memory>
4631 ]], [[
4632 std::shared_ptr<int> p
4633 ]])], [
4634 ac_have_shared_pointer_annotation=no
4635 AC_MSG_RESULT([no])
4636 ], [
4637 ac_have_shared_pointer_annotation=yes
4638 AC_MSG_RESULT([yes])
4639 AC_DEFINE(HAVE_SHARED_POINTER_ANNOTATION, 1,
4640 [Define to 1 if libstd++ supports annotating shared pointers])
4641 ])
4642 else
4643 ac_have_shared_pointer_annotation=no
4644 AC_MSG_RESULT([no])
4645 fi
4646 AC_LANG_POP(C++)
4648 CXXFLAGS=$safe_CXXFLAGS
4650 AM_CONDITIONAL([HAVE_SHARED_POINTER_ANNOTATION],
4651 [test x$ac_have_shared_pointer_annotation = xyes])
4654 #----------------------------------------------------------------------------
4655 # Ok. We're done checking.
4656 #----------------------------------------------------------------------------
4658 # Nb: VEX/Makefile is generated from Makefile.vex.in.
4659 AC_CONFIG_FILES([
4660 Makefile
4661 VEX/Makefile:Makefile.vex.in
4662 valgrind.spec
4663 valgrind.pc
4664 glibc-2.X.supp
4665 docs/Makefile
4666 tests/Makefile
4667 tests/vg_regtest
4668 perf/Makefile
4669 perf/vg_perf
4670 gdbserver_tests/Makefile
4671 gdbserver_tests/solaris/Makefile
4672 include/Makefile
4673 auxprogs/Makefile
4674 mpi/Makefile
4675 coregrind/Makefile
4676 memcheck/Makefile
4677 memcheck/tests/Makefile
4678 memcheck/tests/common/Makefile
4679 memcheck/tests/amd64/Makefile
4680 memcheck/tests/x86/Makefile
4681 memcheck/tests/linux/Makefile
4682 memcheck/tests/darwin/Makefile
4683 memcheck/tests/solaris/Makefile
4684 memcheck/tests/amd64-linux/Makefile
4685 memcheck/tests/arm64-linux/Makefile
4686 memcheck/tests/x86-linux/Makefile
4687 memcheck/tests/amd64-solaris/Makefile
4688 memcheck/tests/x86-solaris/Makefile
4689 memcheck/tests/ppc32/Makefile
4690 memcheck/tests/ppc64/Makefile
4691 memcheck/tests/s390x/Makefile
4692 memcheck/tests/mips32/Makefile
4693 memcheck/tests/mips64/Makefile
4694 memcheck/tests/vbit-test/Makefile
4695 cachegrind/Makefile
4696 cachegrind/tests/Makefile
4697 cachegrind/tests/x86/Makefile
4698 cachegrind/cg_annotate
4699 cachegrind/cg_diff
4700 callgrind/Makefile
4701 callgrind/callgrind_annotate
4702 callgrind/callgrind_control
4703 callgrind/tests/Makefile
4704 helgrind/Makefile
4705 helgrind/tests/Makefile
4706 drd/Makefile
4707 drd/scripts/download-and-build-splash2
4708 drd/tests/Makefile
4709 massif/Makefile
4710 massif/tests/Makefile
4711 massif/ms_print
4712 dhat/Makefile
4713 dhat/tests/Makefile
4714 lackey/Makefile
4715 lackey/tests/Makefile
4716 none/Makefile
4717 none/tests/Makefile
4718 none/tests/scripts/Makefile
4719 none/tests/amd64/Makefile
4720 none/tests/ppc32/Makefile
4721 none/tests/ppc64/Makefile
4722 none/tests/x86/Makefile
4723 none/tests/arm/Makefile
4724 none/tests/arm64/Makefile
4725 none/tests/s390x/Makefile
4726 none/tests/mips32/Makefile
4727 none/tests/mips64/Makefile
4728 none/tests/linux/Makefile
4729 none/tests/darwin/Makefile
4730 none/tests/solaris/Makefile
4731 none/tests/amd64-linux/Makefile
4732 none/tests/x86-linux/Makefile
4733 none/tests/amd64-darwin/Makefile
4734 none/tests/x86-darwin/Makefile
4735 none/tests/amd64-solaris/Makefile
4736 none/tests/x86-solaris/Makefile
4737 exp-sgcheck/Makefile
4738 exp-sgcheck/tests/Makefile
4739 exp-bbv/Makefile
4740 exp-bbv/tests/Makefile
4741 exp-bbv/tests/x86/Makefile
4742 exp-bbv/tests/x86-linux/Makefile
4743 exp-bbv/tests/amd64-linux/Makefile
4744 exp-bbv/tests/ppc32-linux/Makefile
4745 exp-bbv/tests/arm-linux/Makefile
4746 shared/Makefile
4747 solaris/Makefile
4748 ])
4749 AC_CONFIG_FILES([coregrind/link_tool_exe_linux],
4750 [chmod +x coregrind/link_tool_exe_linux])
4751 AC_CONFIG_FILES([coregrind/link_tool_exe_darwin],
4752 [chmod +x coregrind/link_tool_exe_darwin])
4753 AC_CONFIG_FILES([coregrind/link_tool_exe_solaris],
4754 [chmod +x coregrind/link_tool_exe_solaris])
4755 AC_OUTPUT
4757 cat<<EOF
4759 Maximum build arch: ${ARCH_MAX}
4760 Primary build arch: ${VGCONF_ARCH_PRI}
4761 Secondary build arch: ${VGCONF_ARCH_SEC}
4762 Build OS: ${VGCONF_OS}
4763 Link Time Optimisation: ${vg_cv_lto}
4764 Primary build target: ${VGCONF_PLATFORM_PRI_CAPS}
4765 Secondary build target: ${VGCONF_PLATFORM_SEC_CAPS}
4766 Platform variant: ${VGCONF_PLATVARIANT}
4767 Primary -DVGPV string: -DVGPV_${VGCONF_ARCH_PRI}_${VGCONF_OS}_${VGCONF_PLATVARIANT}=1
4768 Default supp files: ${DEFAULT_SUPP}
4770 EOF