2 ##------------------------------------------------------------##
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.
8 ##------------------------------------------------------------##
10 # Process this file with autoconf to produce a configure script.
11 AC_INIT([Valgrind],[3.11.0.SVN],[valgrind-users@lists.sourceforge.net])
12 AC_CONFIG_SRCDIR(coregrind/m_main.c)
13 AC_CONFIG_HEADERS([config.h])
14 AM_INIT_AUTOMAKE([foreign subdir-objects])
18 #----------------------------------------------------------------------------
19 # Do NOT modify these flags here. Except in feature tests in which case
20 # the original values must be properly restored.
21 #----------------------------------------------------------------------------
25 #----------------------------------------------------------------------------
26 # Checks for various programs.
27 #----------------------------------------------------------------------------
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
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],
43 # [AC_CHECK_TOOL([OBJC], [gcc])
45 # AC_SUBST([OBJCFLAGS])
48 # provide a very basic definition for AC_PROG_SED if it's not provided by
49 # autoconf (as e.g. in autoconf 2.59).
50 m4_ifndef([AC_PROG_SED],
51 [AC_DEFUN([AC_PROG_SED],
53 AC_CHECK_PROGS([SED],[gsed sed])])])
56 # If no AR variable was specified, look up the name of the archiver. Otherwise
57 # do not touch the AR variable.
58 if test "x$AR" = "x"; then
59 AC_PATH_PROGS([AR], [`echo $LD | $SED 's/ld$/ar/'` "ar"], [ar])
61 AC_ARG_VAR([AR],[Archiver command])
63 # Check for the compiler support
64 if test "${GCC}" != "yes" ; then
65 AC_MSG_ERROR([Valgrind relies on GCC to be compiled])
68 # figure out where perl lives
69 AC_PATH_PROG(PERL, perl)
71 # figure out where gdb lives
72 AC_PATH_PROG(GDB, gdb, "/no/gdb/was/found/at/configure/time")
73 AC_DEFINE_UNQUOTED(GDB_PATH, "$GDB", [path to GDB])
75 # some older automake's don't have it so try something on our own
76 ifdef([AM_PROG_AS],[AM_PROG_AS],
86 # Check if 'diff' supports -u (universal diffs) and use it if possible.
88 AC_MSG_CHECKING([for diff -u])
91 # Comparing two identical files results in 0.
92 tmpfile="tmp-xxx-yyy-zzz"
94 if diff -u $tmpfile $tmpfile ; then
104 # We don't want gcc < 3.0
105 AC_MSG_CHECKING([for a supported version of gcc])
107 # Obtain the compiler version.
109 # A few examples of how the ${CC} --version output looks like:
111 # ######## gcc variants ########
112 # Arch Linux: i686-pc-linux-gnu-gcc (GCC) 4.6.2
113 # Debian Linux: gcc (Debian 4.3.2-1.1) 4.3.2
114 # openSUSE: gcc (SUSE Linux) 4.5.1 20101208 [gcc-4_5-branch revision 167585]
115 # Exherbo Linux: x86_64-pc-linux-gnu-gcc (Exherbo gcc-4.6.2) 4.6.2
116 # MontaVista Linux for ARM: arm-none-linux-gnueabi-gcc (Sourcery G++ Lite 2009q1-203) 4.3.3
117 # OS/X 10.6: i686-apple-darwin10-gcc-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5666) (dot 3)
118 # OS/X 10.7: i686-apple-darwin11-llvm-gcc-4.2 (GCC) 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2335.15.00)
120 # ######## clang variants ########
121 # Clang: clang version 2.9 (tags/RELEASE_29/final)
122 # Apple clang: Apple clang version 3.1 (tags/Apple/clang-318.0.58) (based on LLVM 3.1svn)
123 # FreeBSD clang: FreeBSD clang version 3.1 (branches/release_31 156863) 20120523
125 # ######## Apple LLVM variants ########
126 # Apple LLVM version 5.1 (clang-503.0.40) (based on LLVM 3.4svn)
127 # Apple LLVM version 6.0 (clang-600.0.51) (based on LLVM 3.5svn)
130 if test "x`${CC} --version | $SED -n -e 's/.*\Apple \(LLVM\) version.*clang.*/\1/p'`" = "xLLVM" ;
133 gcc_version=`${CC} --version | $SED -n -e 's/.*LLVM version \([0-9.]*\).*$/\1/p'`
134 elif test "x`${CC} --version | $SED -n -e 's/.*\(clang\) version.*/\1/p'`" = "xclang" ;
137 # Don't use -dumpversion with clang: it will always produce "4.2.1".
138 gcc_version=`${CC} --version | $SED -n -e 's/.*clang version \([0-9.]*\).*$/\1/p'`
139 elif test "x`${CC} --version | $SED -n -e 's/icc.*\(ICC\).*/\1/p'`" = "xICC" ;
142 gcc_version=`${CC} -dumpversion 2>/dev/null`
145 gcc_version=`${CC} -dumpversion 2>/dev/null`
146 if test "x$gcc_version" = x; then
147 gcc_version=`${CC} --version | $SED -n -e 's/[^ ]*gcc[^ ]* ([^)]*) \([0-9.]*\).*$/\1/p'`
151 AM_CONDITIONAL(COMPILER_IS_CLANG, test $is_clang = clang -o $is_clang = applellvm)
152 AM_CONDITIONAL(COMPILER_IS_ICC, test $is_clang = icc)
154 # Note: m4 arguments are quoted with [ and ] so square brackets in shell
155 # statements have to be quoted.
156 case "${is_clang}-${gcc_version}" in
157 applellvm-5.1|applellvm-6.*|applellvm-7.*)
158 AC_MSG_RESULT([ok (Apple LLVM version ${gcc_version})])
161 AC_MSG_RESULT([ok (ICC version ${gcc_version})])
163 notclang-[[3-9]].*|notclang-[[1-9][0-9]]*)
164 AC_MSG_RESULT([ok (${gcc_version})])
166 clang-2.9|clang-[[3-9]].*|clang-[[1-9][0-9]]*)
167 AC_MSG_RESULT([ok (clang-${gcc_version})])
170 AC_MSG_RESULT([no (${gcc_version})])
171 AC_MSG_ERROR([please use gcc >= 3.0 or clang >= 2.9 or icc >= 13.0])
175 #----------------------------------------------------------------------------
176 # Arch/OS/platform tests.
177 #----------------------------------------------------------------------------
178 # We create a number of arch/OS/platform-related variables. We prefix them
179 # all with "VGCONF_" which indicates that they are defined at
180 # configure-time, and distinguishes them from the VGA_*/VGO_*/VGP_*
181 # variables used when compiling C files.
185 AC_MSG_CHECKING([for a supported CPU])
187 # ARCH_MAX reflects the most that this CPU can do: for example if it
188 # is a 64-bit capable PowerPC, then it must be set to ppc64 and not ppc32.
189 # Ditto for amd64. It is used for more configuration below, but is not used
192 # Power PC returns powerpc for Big Endian. This was not changed when Little
193 # Endian support was added to the 64-bit architecture. The 64-bit Little
194 # Endian systems explicitly state le in the host_cpu. For clarity in the
195 # Valgrind code, the ARCH_MAX name will state LE or BE for the endianess of
196 # the 64-bit system. Big Endian is the only mode supported on 32-bit Power PC.
197 # The abreviation PPC or ppc refers to 32-bit and 64-bit systems with either
198 # Endianess. The name PPC64 or ppc64 to 64-bit systems of either Endianess.
199 # The names ppc64be or PPC64BE refer to only 64-bit systems that are Big
200 # Endian. Similarly, ppc64le or PPC64LE refer to only 64-bit systems that are
203 case "${host_cpu}" in
205 AC_MSG_RESULT([ok (${host_cpu})])
210 AC_MSG_RESULT([ok (${host_cpu})])
215 # this only referrs to 64-bit Big Endian
216 AC_MSG_RESULT([ok (${host_cpu})])
221 # this only referrs to 64-bit Little Endian
222 AC_MSG_RESULT([ok (${host_cpu})])
227 # On Linux this means only a 32-bit capable CPU.
228 AC_MSG_RESULT([ok (${host_cpu})])
233 AC_MSG_RESULT([ok (${host_cpu})])
238 AC_MSG_RESULT([ok (${host_cpu})])
243 AC_MSG_RESULT([ok (${host_cpu})])
248 AC_MSG_RESULT([ok (${host_cpu})])
253 AC_MSG_RESULT([ok (${host_cpu})])
258 AC_MSG_RESULT([ok (${host_cpu})])
263 AC_MSG_RESULT([ok (${host_cpu})])
268 AC_MSG_RESULT([ok (${host_cpu})])
273 AC_MSG_RESULT([ok (${host_cpu})])
278 AC_MSG_RESULT([no (${host_cpu})])
279 AC_MSG_ERROR([Unsupported host architecture. Sorry])
283 #----------------------------------------------------------------------------
285 # Sometimes it's convenient to subvert the bi-arch build system and
286 # just have a single build even though the underlying platform is
287 # capable of both. Hence handle --enable-only64bit and
288 # --enable-only32bit. Complain if both are issued :-)
289 # [Actually, if either of these options are used, I think both get built,
290 # but only one gets installed. So if you use an in-place build, both can be
293 # Check if a 64-bit only build has been requested
294 AC_CACHE_CHECK([for a 64-bit only build], vg_cv_only64bit,
295 [AC_ARG_ENABLE(only64bit,
296 [ --enable-only64bit do a 64-bit only build],
297 [vg_cv_only64bit=$enableval],
298 [vg_cv_only64bit=no])])
300 # Check if a 32-bit only build has been requested
301 AC_CACHE_CHECK([for a 32-bit only build], vg_cv_only32bit,
302 [AC_ARG_ENABLE(only32bit,
303 [ --enable-only32bit do a 32-bit only build],
304 [vg_cv_only32bit=$enableval],
305 [vg_cv_only32bit=no])])
308 if test x$vg_cv_only64bit = xyes -a x$vg_cv_only32bit = xyes; then
310 [Nonsensical: both --enable-only64bit and --enable-only32bit.])
313 #----------------------------------------------------------------------------
315 # VGCONF_OS is the primary build OS, eg. "linux". It is passed in to
316 # compilation of many C files via -VGO_$(VGCONF_OS) and
317 # -VGP_$(VGCONF_ARCH_PRI)_$(VGCONF_OS).
318 AC_MSG_CHECKING([for a supported OS])
325 AC_MSG_RESULT([ok (${host_os})])
328 # Ok, this is linux. Check the kernel version
329 AC_MSG_CHECKING([for the kernel version])
334 0.*|1.*|2.0.*|2.1.*|2.2.*|2.3.*|2.4.*|2.5.*)
335 AC_MSG_RESULT([unsupported (${kernel})])
336 AC_MSG_ERROR([Valgrind needs a Linux kernel >= 2.6])
340 AC_MSG_RESULT([2.6 or later (${kernel})])
347 AC_MSG_RESULT([ok (${host_os})])
349 AC_DEFINE([DARWIN_10_5], 100500, [DARWIN_VERS value for Mac OS X 10.5])
350 AC_DEFINE([DARWIN_10_6], 100600, [DARWIN_VERS value for Mac OS X 10.6])
351 AC_DEFINE([DARWIN_10_7], 100700, [DARWIN_VERS value for Mac OS X 10.7])
352 AC_DEFINE([DARWIN_10_8], 100800, [DARWIN_VERS value for Mac OS X 10.8])
353 AC_DEFINE([DARWIN_10_9], 100900, [DARWIN_VERS value for Mac OS X 10.9])
354 AC_DEFINE([DARWIN_10_10], 101000, [DARWIN_VERS value for Mac OS X 10.10])
355 AC_DEFINE([DARWIN_10_11], 101100, [DARWIN_VERS value for Mac OS X 10.11])
357 AC_MSG_CHECKING([for the kernel version])
360 # Nb: for Darwin we set DEFAULT_SUPP here. That's because Darwin
361 # has only one relevant version, the OS version. The `uname` check
362 # is a good way to get that version (i.e. "Darwin 9.6.0" is Mac OS
363 # X 10.5.6, and "Darwin 10.x" is Mac OS X 10.6.x Snow Leopard,
364 # and possibly "Darwin 11.x" is Mac OS X 10.7.x Lion),
365 # and we don't know of an macros similar to __GLIBC__ to get that info.
367 # XXX: `uname -r` won't do the right thing for cross-compiles, but
368 # that's not a problem yet.
370 # jseward 21 Sept 2011: I seriously doubt whether V 3.7.0 will work
371 # on OS X 10.5.x; I haven't tested yet, and only plan to test 3.7.0
372 # on 10.6.8 and 10.7.1. Although tempted to delete the configure
373 # time support for 10.5 (the 9.* pattern just below), I'll leave it
374 # in for now, just in case anybody wants to give it a try. But I'm
375 # assuming that 3.7.0 is a Snow Leopard and Lion-only release.
378 AC_MSG_RESULT([Darwin 9.x (${kernel}) / Mac OS X 10.5 Leopard])
379 AC_DEFINE([DARWIN_VERS], DARWIN_10_5, [Darwin / Mac OS X version])
380 DEFAULT_SUPP="darwin9.supp ${DEFAULT_SUPP}"
381 DEFAULT_SUPP="darwin9-drd.supp ${DEFAULT_SUPP}"
384 AC_MSG_RESULT([Darwin 10.x (${kernel}) / Mac OS X 10.6 Snow Leopard])
385 AC_DEFINE([DARWIN_VERS], DARWIN_10_6, [Darwin / Mac OS X version])
386 DEFAULT_SUPP="darwin10.supp ${DEFAULT_SUPP}"
387 DEFAULT_SUPP="darwin10-drd.supp ${DEFAULT_SUPP}"
390 AC_MSG_RESULT([Darwin 11.x (${kernel}) / Mac OS X 10.7 Lion])
391 AC_DEFINE([DARWIN_VERS], DARWIN_10_7, [Darwin / Mac OS X version])
392 DEFAULT_SUPP="darwin11.supp ${DEFAULT_SUPP}"
393 DEFAULT_SUPP="darwin10-drd.supp ${DEFAULT_SUPP}"
396 AC_MSG_RESULT([Darwin 12.x (${kernel}) / Mac OS X 10.8 Mountain Lion])
397 AC_DEFINE([DARWIN_VERS], DARWIN_10_8, [Darwin / Mac OS X version])
398 DEFAULT_SUPP="darwin12.supp ${DEFAULT_SUPP}"
399 DEFAULT_SUPP="darwin10-drd.supp ${DEFAULT_SUPP}"
402 AC_MSG_RESULT([Darwin 13.x (${kernel}) / Mac OS X 10.9 Mavericks])
403 AC_DEFINE([DARWIN_VERS], DARWIN_10_9, [Darwin / Mac OS X version])
404 DEFAULT_SUPP="darwin13.supp ${DEFAULT_SUPP}"
405 DEFAULT_SUPP="darwin10-drd.supp ${DEFAULT_SUPP}"
408 AC_MSG_RESULT([Darwin 14.x (${kernel}) / Mac OS X 10.10 Yosemite])
409 AC_DEFINE([DARWIN_VERS], DARWIN_10_10, [Darwin / Mac OS X version])
410 DEFAULT_SUPP="darwin14.supp ${DEFAULT_SUPP}"
411 DEFAULT_SUPP="darwin10-drd.supp ${DEFAULT_SUPP}"
414 AC_MSG_RESULT([Darwin 15.x (${kernel}) / Mac OS X 10.11 El Capitan])
415 AC_DEFINE([DARWIN_VERS], DARWIN_10_11, [Darwin / Mac OS X version])
416 DEFAULT_SUPP="darwin15.supp ${DEFAULT_SUPP}"
417 DEFAULT_SUPP="darwin10-drd.supp ${DEFAULT_SUPP}"
420 AC_MSG_RESULT([unsupported (${kernel})])
421 AC_MSG_ERROR([Valgrind works on Darwin 10.x, 11.x, 12.x, 13.x, 14.x and 15.x (Mac OS X 10.6/7/8/9/10/11)])
427 AC_MSG_RESULT([ok (${host_os})])
429 DEFAULT_SUPP="solaris11.supp ${DEFAULT_SUPP}"
433 AC_MSG_RESULT([ok (${host_os})])
435 DEFAULT_SUPP="solaris12.supp ${DEFAULT_SUPP}"
439 AC_MSG_RESULT([no (${host_os})])
440 AC_MSG_ERROR([Valgrind is operating system specific. Sorry.])
444 #----------------------------------------------------------------------------
446 # If we are building on a 64 bit platform test to see if the system
447 # supports building 32 bit programs and disable 32 bit support if it
448 # does not support building 32 bit programs
450 case "$ARCH_MAX-$VGCONF_OS" in
451 amd64-linux|ppc64be-linux|arm64-linux|amd64-solaris)
452 AC_MSG_CHECKING([for 32 bit build support])
455 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
460 vg_cv_only64bit="yes"
463 CFLAGS=$safe_CFLAGS;;
466 if test x$vg_cv_only64bit = xyes -a x$vg_cv_only32bit = xyes; then
468 [--enable-only32bit was specified but system does not support 32 bit builds])
471 #----------------------------------------------------------------------------
473 # VGCONF_ARCH_PRI is the arch for the primary build target, eg. "amd64". By
474 # default it's the same as ARCH_MAX. But if, say, we do a build on an amd64
475 # machine, but --enable-only32bit has been requested, then ARCH_MAX (see
476 # above) will be "amd64" since that reflects the most that this cpu can do,
477 # but VGCONF_ARCH_PRI will be downgraded to "x86", since that reflects the
478 # arch corresponding to the primary build (VGCONF_PLATFORM_PRI_CAPS). It is
479 # passed in to compilation of many C files via -VGA_$(VGCONF_ARCH_PRI) and
480 # -VGP_$(VGCONF_ARCH_PRI)_$(VGCONF_OS).
481 AC_SUBST(VGCONF_ARCH_PRI)
483 # VGCONF_ARCH_SEC is the arch for the secondary build target, eg. "x86".
484 # It is passed in to compilation of many C files via -VGA_$(VGCONF_ARCH_SEC)
485 # and -VGP_$(VGCONF_ARCH_SEC)_$(VGCONF_OS), if there is a secondary target.
486 # It is empty if there is no secondary target.
487 AC_SUBST(VGCONF_ARCH_SEC)
489 # VGCONF_PLATFORM_PRI_CAPS is the primary build target, eg. "AMD64_LINUX".
490 # The entire system, including regression and performance tests, will be
491 # built for this target. The "_CAPS" indicates that the name is in capital
492 # letters, and it also uses '_' rather than '-' as a separator, because it's
493 # used to create various Makefile variables, which are all in caps by
494 # convention and cannot contain '-' characters. This is in contrast to
495 # VGCONF_ARCH_PRI and VGCONF_OS which are not in caps.
496 AC_SUBST(VGCONF_PLATFORM_PRI_CAPS)
498 # VGCONF_PLATFORM_SEC_CAPS is the secondary build target, if there is one.
499 # Valgrind and tools will also be built for this target, but not the
500 # regression or performance tests.
502 # By default, the primary arch is the same as the "max" arch, as commented
503 # above (at the definition of ARCH_MAX). We may choose to downgrade it in
504 # the big case statement just below here, in the case where we're building
505 # on a 64 bit machine but have been requested only to do a 32 bit build.
506 AC_SUBST(VGCONF_PLATFORM_SEC_CAPS)
508 AC_MSG_CHECKING([for a supported CPU/OS combination])
510 # NB. The load address for a given platform may be specified in more
511 # than one place, in some cases, depending on whether we're doing a biarch,
512 # 32-bit only or 64-bit only build. eg see case for amd64-linux below.
513 # Be careful to give consistent values in all subcases. Also, all four
514 # valt_load_addres_{pri,sec}_{norml,inner} values must always be set,
515 # even if it is to "0xUNSET".
517 case "$ARCH_MAX-$VGCONF_OS" in
519 VGCONF_ARCH_PRI="x86"
521 VGCONF_PLATFORM_PRI_CAPS="X86_LINUX"
522 VGCONF_PLATFORM_SEC_CAPS=""
523 valt_load_address_pri_norml="0x38000000"
524 valt_load_address_pri_inner="0x28000000"
525 valt_load_address_sec_norml="0xUNSET"
526 valt_load_address_sec_inner="0xUNSET"
527 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
530 valt_load_address_sec_norml="0xUNSET"
531 valt_load_address_sec_inner="0xUNSET"
532 if test x$vg_cv_only64bit = xyes; then
533 VGCONF_ARCH_PRI="amd64"
535 VGCONF_PLATFORM_PRI_CAPS="AMD64_LINUX"
536 VGCONF_PLATFORM_SEC_CAPS=""
537 valt_load_address_pri_norml="0x38000000"
538 valt_load_address_pri_inner="0x28000000"
539 elif test x$vg_cv_only32bit = xyes; then
540 VGCONF_ARCH_PRI="x86"
542 VGCONF_PLATFORM_PRI_CAPS="X86_LINUX"
543 VGCONF_PLATFORM_SEC_CAPS=""
544 valt_load_address_pri_norml="0x38000000"
545 valt_load_address_pri_inner="0x28000000"
547 VGCONF_ARCH_PRI="amd64"
548 VGCONF_ARCH_SEC="x86"
549 VGCONF_PLATFORM_PRI_CAPS="AMD64_LINUX"
550 VGCONF_PLATFORM_SEC_CAPS="X86_LINUX"
551 valt_load_address_pri_norml="0x38000000"
552 valt_load_address_pri_inner="0x28000000"
553 valt_load_address_sec_norml="0x38000000"
554 valt_load_address_sec_inner="0x28000000"
556 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
559 VGCONF_ARCH_PRI="ppc32"
561 VGCONF_PLATFORM_PRI_CAPS="PPC32_LINUX"
562 VGCONF_PLATFORM_SEC_CAPS=""
563 valt_load_address_pri_norml="0x38000000"
564 valt_load_address_pri_inner="0x28000000"
565 valt_load_address_sec_norml="0xUNSET"
566 valt_load_address_sec_inner="0xUNSET"
567 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
570 valt_load_address_sec_norml="0xUNSET"
571 valt_load_address_sec_inner="0xUNSET"
572 if test x$vg_cv_only64bit = xyes; then
573 VGCONF_ARCH_PRI="ppc64be"
575 VGCONF_PLATFORM_PRI_CAPS="PPC64BE_LINUX"
576 VGCONF_PLATFORM_SEC_CAPS=""
577 valt_load_address_pri_norml="0x38000000"
578 valt_load_address_pri_inner="0x28000000"
579 elif test x$vg_cv_only32bit = xyes; then
580 VGCONF_ARCH_PRI="ppc32"
582 VGCONF_PLATFORM_PRI_CAPS="PPC32_LINUX"
583 VGCONF_PLATFORM_SEC_CAPS=""
584 valt_load_address_pri_norml="0x38000000"
585 valt_load_address_pri_inner="0x28000000"
587 VGCONF_ARCH_PRI="ppc64be"
588 VGCONF_ARCH_SEC="ppc32"
589 VGCONF_PLATFORM_PRI_CAPS="PPC64BE_LINUX"
590 VGCONF_PLATFORM_SEC_CAPS="PPC32_LINUX"
591 valt_load_address_pri_norml="0x38000000"
592 valt_load_address_pri_inner="0x28000000"
593 valt_load_address_sec_norml="0x38000000"
594 valt_load_address_sec_inner="0x28000000"
596 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
599 # Little Endian is only supported on PPC64
600 valt_load_address_sec_norml="0xUNSET"
601 valt_load_address_sec_inner="0xUNSET"
602 VGCONF_ARCH_PRI="ppc64le"
604 VGCONF_PLATFORM_PRI_CAPS="PPC64LE_LINUX"
605 VGCONF_PLATFORM_SEC_CAPS=""
606 valt_load_address_pri_norml="0x38000000"
607 valt_load_address_pri_inner="0x28000000"
608 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
610 # Darwin gets identified as 32-bit even when it supports 64-bit.
611 # (Not sure why, possibly because 'uname' returns "i386"?) Just about
612 # all Macs support both 32-bit and 64-bit, so we just build both. If
613 # someone has a really old 32-bit only machine they can (hopefully?)
614 # build with --enable-only32bit. See bug 243362.
615 x86-darwin|amd64-darwin)
617 valt_load_address_sec_norml="0xUNSET"
618 valt_load_address_sec_inner="0xUNSET"
619 if test x$vg_cv_only64bit = xyes; then
620 VGCONF_ARCH_PRI="amd64"
622 VGCONF_PLATFORM_PRI_CAPS="AMD64_DARWIN"
623 VGCONF_PLATFORM_SEC_CAPS=""
624 valt_load_address_pri_norml="0x138000000"
625 valt_load_address_pri_inner="0x128000000"
626 elif test x$vg_cv_only32bit = xyes; then
627 VGCONF_ARCH_PRI="x86"
629 VGCONF_PLATFORM_PRI_CAPS="X86_DARWIN"
630 VGCONF_PLATFORM_SEC_CAPS=""
631 VGCONF_ARCH_PRI_CAPS="x86"
632 valt_load_address_pri_norml="0x38000000"
633 valt_load_address_pri_inner="0x28000000"
635 VGCONF_ARCH_PRI="amd64"
636 VGCONF_ARCH_SEC="x86"
637 VGCONF_PLATFORM_PRI_CAPS="AMD64_DARWIN"
638 VGCONF_PLATFORM_SEC_CAPS="X86_DARWIN"
639 valt_load_address_pri_norml="0x138000000"
640 valt_load_address_pri_inner="0x128000000"
641 valt_load_address_sec_norml="0x38000000"
642 valt_load_address_sec_inner="0x28000000"
644 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
647 VGCONF_ARCH_PRI="arm"
648 VGCONF_PLATFORM_PRI_CAPS="ARM_LINUX"
649 VGCONF_PLATFORM_SEC_CAPS=""
650 valt_load_address_pri_norml="0x38000000"
651 valt_load_address_pri_inner="0x28000000"
652 valt_load_address_sec_norml="0xUNSET"
653 valt_load_address_sec_inner="0xUNSET"
654 AC_MSG_RESULT([ok (${host_cpu}-${host_os})])
657 valt_load_address_sec_norml="0xUNSET"
658 valt_load_address_sec_inner="0xUNSET"
659 if test x$vg_cv_only64bit = xyes; then
660 VGCONF_ARCH_PRI="arm64"
662 VGCONF_PLATFORM_PRI_CAPS="ARM64_LINUX"
663 VGCONF_PLATFORM_SEC_CAPS=""
664 valt_load_address_pri_norml="0x38000000"
665 valt_load_address_pri_inner="0x28000000"
666 elif test x$vg_cv_only32bit = xyes; then
667 VGCONF_ARCH_PRI="arm"
669 VGCONF_PLATFORM_PRI_CAPS="ARM_LINUX"
670 VGCONF_PLATFORM_SEC_CAPS=""
671 valt_load_address_pri_norml="0x38000000"
672 valt_load_address_pri_inner="0x28000000"
674 VGCONF_ARCH_PRI="arm64"
675 VGCONF_ARCH_SEC="arm"
676 VGCONF_PLATFORM_PRI_CAPS="ARM64_LINUX"
677 VGCONF_PLATFORM_SEC_CAPS="ARM_LINUX"
678 valt_load_address_pri_norml="0x38000000"
679 valt_load_address_pri_inner="0x28000000"
680 valt_load_address_sec_norml="0x38000000"
681 valt_load_address_sec_inner="0x28000000"
683 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
686 VGCONF_ARCH_PRI="s390x"
688 VGCONF_PLATFORM_PRI_CAPS="S390X_LINUX"
689 VGCONF_PLATFORM_SEC_CAPS=""
690 # To improve branch prediction hit rate we want to have
691 # the generated code close to valgrind (host) code
692 valt_load_address_pri_norml="0x800000000"
693 valt_load_address_pri_inner="0x810000000"
694 valt_load_address_sec_norml="0xUNSET"
695 valt_load_address_sec_inner="0xUNSET"
696 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
699 VGCONF_ARCH_PRI="mips32"
700 VGCONF_PLATFORM_PRI_CAPS="MIPS32_LINUX"
701 VGCONF_PLATFORM_SEC_CAPS=""
702 valt_load_address_pri_norml="0x38000000"
703 valt_load_address_pri_inner="0x28000000"
704 valt_load_address_sec_norml="0xUNSET"
705 valt_load_address_sec_inner="0xUNSET"
706 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
709 VGCONF_ARCH_PRI="mips64"
710 VGCONF_PLATFORM_PRI_CAPS="MIPS64_LINUX"
711 VGCONF_PLATFORM_SEC_CAPS=""
712 valt_load_address_pri_norml="0x38000000"
713 valt_load_address_pri_inner="0x28000000"
714 valt_load_address_sec_norml="0xUNSET"
715 valt_load_address_sec_inner="0xUNSET"
716 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
719 VGCONF_ARCH_PRI="tilegx"
721 VGCONF_PLATFORM_PRI_CAPS="TILEGX_LINUX"
722 VGCONF_PLATFORM_SEC_CAPS=""
723 valt_load_address_pri_norml="0x38000000"
724 valt_load_address_pri_inner="0x28000000"
725 valt_load_address_sec_norml="0xUNSET"
726 valt_load_address_sec_inner="0xUNSET"
727 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
730 VGCONF_ARCH_PRI="x86"
732 VGCONF_PLATFORM_PRI_CAPS="X86_SOLARIS"
733 VGCONF_PLATFORM_SEC_CAPS=""
734 valt_load_address_pri_norml="0x38000000"
735 valt_load_address_pri_inner="0x28000000"
736 valt_load_address_sec_norml="0xUNSET"
737 valt_load_address_sec_inner="0xUNSET"
738 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
741 valt_load_address_sec_norml="0xUNSET"
742 valt_load_address_sec_inner="0xUNSET"
743 if test x$vg_cv_only64bit = xyes; then
744 VGCONF_ARCH_PRI="amd64"
746 VGCONF_PLATFORM_PRI_CAPS="AMD64_SOLARIS"
747 VGCONF_PLATFORM_SEC_CAPS=""
748 valt_load_address_pri_norml="0x38000000"
749 valt_load_address_pri_inner="0x28000000"
750 elif test x$vg_cv_only32bit = xyes; then
751 VGCONF_ARCH_PRI="x86"
753 VGCONF_PLATFORM_PRI_CAPS="X86_SOLARIS"
754 VGCONF_PLATFORM_SEC_CAPS=""
755 valt_load_address_pri_norml="0x38000000"
756 valt_load_address_pri_inner="0x28000000"
758 VGCONF_ARCH_PRI="amd64"
759 VGCONF_ARCH_SEC="x86"
760 VGCONF_PLATFORM_PRI_CAPS="AMD64_SOLARIS"
761 VGCONF_PLATFORM_SEC_CAPS="X86_SOLARIS"
762 valt_load_address_pri_norml="0x38000000"
763 valt_load_address_pri_inner="0x28000000"
764 valt_load_address_sec_norml="0x38000000"
765 valt_load_address_sec_inner="0x28000000"
767 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
770 VGCONF_ARCH_PRI="unknown"
771 VGCONF_ARCH_SEC="unknown"
772 VGCONF_PLATFORM_PRI_CAPS="UNKNOWN"
773 VGCONF_PLATFORM_SEC_CAPS="UNKNOWN"
774 valt_load_address_pri_norml="0xUNSET"
775 valt_load_address_pri_inner="0xUNSET"
776 valt_load_address_sec_norml="0xUNSET"
777 valt_load_address_sec_inner="0xUNSET"
778 AC_MSG_RESULT([no (${ARCH_MAX}-${VGCONF_OS})])
779 AC_MSG_ERROR([Valgrind is platform specific. Sorry. Please consider doing a port.])
783 #----------------------------------------------------------------------------
785 # Set up VGCONF_ARCHS_INCLUDE_<arch>. Either one or two of these become
787 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_X86,
788 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_LINUX \
789 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_LINUX \
790 -o x$VGCONF_PLATFORM_PRI_CAPS = xX86_DARWIN \
791 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_DARWIN \
792 -o x$VGCONF_PLATFORM_PRI_CAPS = xX86_SOLARIS \
793 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_SOLARIS )
794 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_AMD64,
795 test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_LINUX \
796 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_DARWIN \
797 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_SOLARIS )
798 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_PPC32,
799 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC32_LINUX \
800 -o x$VGCONF_PLATFORM_SEC_CAPS = xPPC32_LINUX )
801 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_PPC64,
802 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC64BE_LINUX \
803 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC64LE_LINUX )
804 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_ARM,
805 test x$VGCONF_PLATFORM_PRI_CAPS = xARM_LINUX \
806 -o x$VGCONF_PLATFORM_SEC_CAPS = xARM_LINUX )
807 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_ARM64,
808 test x$VGCONF_PLATFORM_PRI_CAPS = xARM64_LINUX )
809 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_S390X,
810 test x$VGCONF_PLATFORM_PRI_CAPS = xS390X_LINUX )
811 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_MIPS32,
812 test x$VGCONF_PLATFORM_PRI_CAPS = xMIPS32_LINUX )
813 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_MIPS64,
814 test x$VGCONF_PLATFORM_PRI_CAPS = xMIPS64_LINUX )
815 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_TILEGX,
816 test x$VGCONF_PLATFORM_PRI_CAPS = xTILEGX_LINUX )
818 # Set up VGCONF_PLATFORMS_INCLUDE_<platform>. Either one or two of these
820 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_X86_LINUX,
821 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_LINUX \
822 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_LINUX)
823 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_AMD64_LINUX,
824 test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_LINUX)
825 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_PPC32_LINUX,
826 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC32_LINUX \
827 -o x$VGCONF_PLATFORM_SEC_CAPS = xPPC32_LINUX)
828 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_PPC64BE_LINUX,
829 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC64BE_LINUX)
830 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_PPC64LE_LINUX,
831 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC64LE_LINUX)
832 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_ARM_LINUX,
833 test x$VGCONF_PLATFORM_PRI_CAPS = xARM_LINUX \
834 -o x$VGCONF_PLATFORM_SEC_CAPS = xARM_LINUX)
835 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_ARM64_LINUX,
836 test x$VGCONF_PLATFORM_PRI_CAPS = xARM64_LINUX)
837 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_S390X_LINUX,
838 test x$VGCONF_PLATFORM_PRI_CAPS = xS390X_LINUX \
839 -o x$VGCONF_PLATFORM_SEC_CAPS = xS390X_LINUX)
840 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_MIPS32_LINUX,
841 test x$VGCONF_PLATFORM_PRI_CAPS = xMIPS32_LINUX)
842 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_MIPS64_LINUX,
843 test x$VGCONF_PLATFORM_PRI_CAPS = xMIPS64_LINUX)
844 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_TILEGX_LINUX,
845 test x$VGCONF_PLATFORM_PRI_CAPS = xTILEGX_LINUX)
846 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_X86_DARWIN,
847 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_DARWIN \
848 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_DARWIN)
849 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_AMD64_DARWIN,
850 test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_DARWIN)
851 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_X86_SOLARIS,
852 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_SOLARIS \
853 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_SOLARIS)
854 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_AMD64_SOLARIS,
855 test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_SOLARIS)
858 # Similarly, set up VGCONF_OS_IS_<os>. Exactly one of these becomes defined.
859 # Relies on the assumption that the primary and secondary targets are
860 # for the same OS, so therefore only necessary to test the primary.
861 AM_CONDITIONAL(VGCONF_OS_IS_LINUX,
862 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_LINUX \
863 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_LINUX \
864 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC32_LINUX \
865 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC64BE_LINUX \
866 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC64LE_LINUX \
867 -o x$VGCONF_PLATFORM_PRI_CAPS = xARM_LINUX \
868 -o x$VGCONF_PLATFORM_PRI_CAPS = xARM64_LINUX \
869 -o x$VGCONF_PLATFORM_PRI_CAPS = xS390X_LINUX \
870 -o x$VGCONF_PLATFORM_PRI_CAPS = xMIPS32_LINUX \
871 -o x$VGCONF_PLATFORM_PRI_CAPS = xMIPS64_LINUX \
872 -o x$VGCONF_PLATFORM_PRI_CAPS = xTILEGX_LINUX)
873 AM_CONDITIONAL(VGCONF_OS_IS_DARWIN,
874 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_DARWIN \
875 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_DARWIN)
876 AM_CONDITIONAL(VGCONF_OS_IS_SOLARIS,
877 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_SOLARIS \
878 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_SOLARIS)
881 # Sometimes, in the Makefile.am files, it's useful to know whether or not
882 # there is a secondary target.
883 AM_CONDITIONAL(VGCONF_HAVE_PLATFORM_SEC,
884 test x$VGCONF_PLATFORM_SEC_CAPS != x)
886 dnl automake-1.10 does not have AM_COND_IF (added in 1.11), so we supply a
887 dnl fallback definition
888 dnl The macro is courtesy of Dave Hart:
889 dnl https://lists.gnu.org/archive/html/automake/2010-12/msg00045.html
890 m4_ifndef([AM_COND_IF], [AC_DEFUN([AM_COND_IF], [
891 if test -z "$$1_TRUE"; then :
900 #----------------------------------------------------------------------------
902 #----------------------------------------------------------------------------
904 # Check if this should be built as an inner Valgrind, to be run within
905 # another Valgrind. Choose the load address accordingly.
906 AC_SUBST(VALT_LOAD_ADDRESS_PRI)
907 AC_SUBST(VALT_LOAD_ADDRESS_SEC)
908 AC_CACHE_CHECK([for use as an inner Valgrind], vg_cv_inner,
909 [AC_ARG_ENABLE(inner,
910 [ --enable-inner enables self-hosting],
911 [vg_cv_inner=$enableval],
913 if test "$vg_cv_inner" = yes; then
914 AC_DEFINE([ENABLE_INNER], 1, [configured to run as an inner Valgrind])
915 VALT_LOAD_ADDRESS_PRI=$valt_load_address_pri_inner
916 VALT_LOAD_ADDRESS_SEC=$valt_load_address_sec_inner
918 VALT_LOAD_ADDRESS_PRI=$valt_load_address_pri_norml
919 VALT_LOAD_ADDRESS_SEC=$valt_load_address_sec_norml
922 #----------------------------------------------------------------------------
923 # Undefined behaviour sanitiser
924 #----------------------------------------------------------------------------
925 # Check whether we should build with the undefined beahviour sanitiser.
927 AC_CACHE_CHECK([for using the undefined behaviour sanitiser], vg_cv_ubsan,
928 [AC_ARG_ENABLE(ubsan,
929 [ --enable-ubsan enables the undefined behaviour sanitiser],
930 [vg_cv_ubsan=$enableval],
933 #----------------------------------------------------------------------------
934 # Define MIPS_PAGE_SHIFT (--with-pagesize)
935 #----------------------------------------------------------------------------
936 AC_ARG_WITH(pagesize,
937 [ --with-pagesize= override detected page size (4, 16 or 64)],
942 if test "$psize" = "0"; then
943 psizer=`getconf PAGESIZE`
944 psize=$((${psizer}/1024))
947 if test "$psize" = "4"; then
948 AC_DEFINE([MIPS_PAGE_SHIFT], 12, [configured page size 4k])
949 elif test "$psize" = "16"; then
950 AC_DEFINE([MIPS_PAGE_SHIFT], 14, [configured page size 16k])
951 elif test "$psize" = "64"; then
952 AC_DEFINE([MIPS_PAGE_SHIFT], 16, [configured page size 64k])
954 AC_DEFINE([MIPS_PAGE_SHIFT], 12, [configured default page size 4k])
956 AC_MSG_RESULT([checking for Pagesize... ${psize}k])
959 #----------------------------------------------------------------------------
960 # Extra fine-tuning of installation directories
961 #----------------------------------------------------------------------------
963 [ --with-tmpdir=PATH Specify path for temporary files],
966 AC_DEFINE_UNQUOTED(VG_TMPDIR, "$tmpdir", [Temporary files directory])
967 AC_SUBST(VG_TMPDIR, [$tmpdir])
970 #----------------------------------------------------------------------------
971 # Libc and suppressions
972 #----------------------------------------------------------------------------
973 # This variable will collect the suppression files to be used.
974 AC_SUBST(DEFAULT_SUPP)
976 AC_CHECK_HEADER([features.h])
978 if test x$ac_cv_header_features_h = xyes; then
979 rm -f conftest.$ac_ext
980 cat <<_ACEOF >conftest.$ac_ext
981 #include <features.h>
982 #if defined(__GNU_LIBRARY__) && defined(__GLIBC__) && defined(__GLIBC_MINOR__)
983 glibc version is: __GLIBC__ __GLIBC_MINOR__
986 GLIBC_VERSION="`$CPP -P conftest.$ac_ext | $SED -n 's/^glibc version is: //p' | $SED 's/ /./g'`"
989 # not really a version check
990 AC_EGREP_CPP([DARWIN_LIBC], [
991 #include <sys/cdefs.h>
992 #if defined(__DARWIN_VERS_1050)
996 GLIBC_VERSION="darwin")
998 # not really a version check
999 AC_EGREP_CPP([BIONIC_LIBC], [
1000 #if defined(__ANDROID__)
1004 GLIBC_VERSION="bionic")
1006 # there is only one version of libc on Solaris
1007 if test x$VGCONF_PLATFORM_PRI_CAPS = xX86_SOLARIS \
1008 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_SOLARIS; then
1009 GLIBC_VERSION="solaris"
1013 AC_MSG_CHECKING([the glibc version])
1015 case "${GLIBC_VERSION}" in
1017 AC_MSG_RESULT(${GLIBC_VERSION} family)
1018 DEFAULT_SUPP="glibc-2.2.supp ${DEFAULT_SUPP}"
1019 DEFAULT_SUPP="glibc-2.2-LinuxThreads-helgrind.supp ${DEFAULT_SUPP}"
1020 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
1023 AC_MSG_RESULT(${GLIBC_VERSION} family)
1024 DEFAULT_SUPP="glibc-${GLIBC_VERSION}.supp ${DEFAULT_SUPP}"
1025 DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
1026 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
1029 AC_MSG_RESULT(${GLIBC_VERSION} family)
1030 DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}"
1031 DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
1032 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
1035 AC_MSG_RESULT(${GLIBC_VERSION} family)
1036 AC_DEFINE([GLIBC_MANDATORY_STRLEN_REDIRECT], 1,
1037 [Define to 1 if strlen() has been optimized heavily (amd64 glibc >= 2.10)])
1038 DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}"
1039 DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
1040 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
1043 AC_MSG_RESULT(${GLIBC_VERSION} family)
1044 AC_DEFINE([GLIBC_MANDATORY_STRLEN_REDIRECT], 1,
1045 [Define to 1 if strlen() has been optimized heavily (amd64 glibc >= 2.10)])
1046 AC_DEFINE([GLIBC_MANDATORY_INDEX_AND_STRLEN_REDIRECT], 1,
1047 [Define to 1 if index() and strlen() have been optimized heavily (x86 glibc >= 2.12)])
1048 DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}"
1049 DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
1050 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
1053 AC_MSG_RESULT(Darwin)
1054 AC_DEFINE([DARWIN_LIBC], 1, [Define to 1 if you're using Darwin])
1055 # DEFAULT_SUPP set by kernel version check above.
1058 AC_MSG_RESULT(Bionic)
1059 AC_DEFINE([BIONIC_LIBC], 1, [Define to 1 if you're using Bionic])
1060 DEFAULT_SUPP="bionic.supp ${DEFAULT_SUPP}"
1063 AC_MSG_RESULT(Solaris)
1064 # DEFAULT_SUPP set in host_os switch-case above.
1065 # No other suppression file is used.
1068 AC_MSG_RESULT([unsupported version ${GLIBC_VERSION}])
1069 AC_MSG_ERROR([Valgrind requires glibc version 2.2 or later,])
1070 AC_MSG_ERROR([Darwin libc, Bionic libc or Solaris libc])
1074 AC_SUBST(GLIBC_VERSION)
1077 if test "$VGCONF_OS" != "solaris"; then
1078 # Add default suppressions for the X client libraries. Make no
1079 # attempt to detect whether such libraries are installed on the
1080 # build machine (or even if any X facilities are present); just
1081 # add the suppressions antidisirregardless.
1082 DEFAULT_SUPP="xfree-4.supp ${DEFAULT_SUPP}"
1083 DEFAULT_SUPP="xfree-3.supp ${DEFAULT_SUPP}"
1085 # Add glibc and X11 suppressions for exp-sgcheck
1086 DEFAULT_SUPP="exp-sgcheck.supp ${DEFAULT_SUPP}"
1090 #----------------------------------------------------------------------------
1091 # Platform variants?
1092 #----------------------------------------------------------------------------
1094 # Normally the PLAT = (ARCH, OS) characterisation of the platform is enough.
1095 # But there are times where we need a bit more control. The motivating
1096 # and currently only case is Android: this is almost identical to
1097 # {x86,arm,mips}-linux, but not quite. So this introduces the concept of
1098 # platform variant tags, which get passed in the compile as
1099 # -DVGPV_<arch>_<os>_<variant> along with the main -DVGP_<arch>_<os> definition.
1101 # In almost all cases, the <variant> bit is "vanilla". But for Android
1102 # it is "android" instead.
1104 # Consequently (eg), plain arm-linux would build with
1106 # -DVGP_arm_linux -DVGPV_arm_linux_vanilla
1108 # whilst an Android build would have
1110 # -DVGP_arm_linux -DVGPV_arm_linux_android
1112 # Same for x86. The setup of the platform variant is pushed relatively far
1113 # down this file in order that we can inspect any of the variables set above.
1115 # In the normal case ..
1116 VGCONF_PLATVARIANT="vanilla"
1119 if test "$GLIBC_VERSION" = "bionic";
1121 VGCONF_PLATVARIANT="android"
1124 AC_SUBST(VGCONF_PLATVARIANT)
1127 # FIXME: do we also want to define automake variables
1128 # VGCONF_PLATVARIANT_IS_<WHATEVER>, where WHATEVER is (currently)
1129 # VANILLA or ANDROID ? This would be in the style of VGCONF_ARCHS_INCLUDE,
1130 # VGCONF_PLATFORMS_INCLUDE and VGCONF_OS_IS above? Could easily enough
1131 # do that. Problem is that we can't do and-ing in Makefile.am's, but
1132 # that's what we'd need to do to use this, since what we'd want to write
1135 # VGCONF_PLATFORMS_INCLUDE_ARM_LINUX && VGCONF_PLATVARIANT_IS_ANDROID
1137 # Hmm. Can't think of a nice clean solution to this.
1139 AM_CONDITIONAL(VGCONF_PLATVARIANT_IS_VANILLA,
1140 test x$VGCONF_PLATVARIANT = xvanilla)
1141 AM_CONDITIONAL(VGCONF_PLATVARIANT_IS_ANDROID,
1142 test x$VGCONF_PLATVARIANT = xandroid)
1145 #----------------------------------------------------------------------------
1146 # Checking for various library functions and other definitions
1147 #----------------------------------------------------------------------------
1149 # Check for AT_FDCWD
1151 AC_MSG_CHECKING([for AT_FDCWD])
1152 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1159 ac_have_at_fdcwd=yes
1160 AC_MSG_RESULT([yes])
1166 AM_CONDITIONAL([HAVE_AT_FDCWD], [test x$ac_have_at_fdcwd = xyes])
1168 # Check for stpncpy function definition in string.h
1169 # This explicitly checks with _GNU_SOURCE defined since that is also
1170 # used in the test case (some systems might define it without anyway
1171 # since stpncpy is part of The Open Group Base Specifications Issue 7
1172 # IEEE Std 1003.1-2008.
1173 AC_MSG_CHECKING([for stpncpy])
1174 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1181 char *r = stpncpy(d, s, n);
1183 ac_have_gnu_stpncpy=yes
1184 AC_MSG_RESULT([yes])
1186 ac_have_gnu_stpncpy=no
1190 AM_CONDITIONAL([HAVE_GNU_STPNCPY], [test x$ac_have_gnu_stpncpy = xyes])
1192 # Check for PTRACE_GETREGS
1194 AC_MSG_CHECKING([for PTRACE_GETREGS])
1195 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1198 #include <sys/ptrace.h>
1199 #include <sys/user.h>
1202 long res = ptrace (PTRACE_GETREGS, 0, p, p);
1204 AC_MSG_RESULT([yes])
1205 AC_DEFINE([HAVE_PTRACE_GETREGS], 1,
1206 [Define to 1 if you have the `PTRACE_GETREGS' ptrace request.])
1212 # Check for CLOCK_MONOTONIC
1214 AC_MSG_CHECKING([for CLOCK_MONOTONIC])
1216 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1220 clock_gettime(CLOCK_MONOTONIC, &t);
1223 AC_MSG_RESULT([yes])
1224 AC_DEFINE([HAVE_CLOCK_MONOTONIC], 1,
1225 [Define to 1 if you have the `CLOCK_MONOTONIC' constant.])
1231 # Check for PTHREAD_RWLOCK_T
1233 AC_MSG_CHECKING([for pthread_rwlock_t])
1235 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1237 #include <pthread.h>
1239 pthread_rwlock_t rwl;
1241 AC_MSG_RESULT([yes])
1242 AC_DEFINE([HAVE_PTHREAD_RWLOCK_T], 1,
1243 [Define to 1 if you have the `pthread_rwlock_t' type.])
1249 # Check for PTHREAD_MUTEX_ADAPTIVE_NP
1251 AC_MSG_CHECKING([for PTHREAD_MUTEX_ADAPTIVE_NP])
1253 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1255 #include <pthread.h>
1257 return (PTHREAD_MUTEX_ADAPTIVE_NP);
1259 AC_MSG_RESULT([yes])
1260 AC_DEFINE([HAVE_PTHREAD_MUTEX_ADAPTIVE_NP], 1,
1261 [Define to 1 if you have the `PTHREAD_MUTEX_ADAPTIVE_NP' constant.])
1267 # Check for PTHREAD_MUTEX_ERRORCHECK_NP
1269 AC_MSG_CHECKING([for PTHREAD_MUTEX_ERRORCHECK_NP])
1271 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1273 #include <pthread.h>
1275 return (PTHREAD_MUTEX_ERRORCHECK_NP);
1277 AC_MSG_RESULT([yes])
1278 AC_DEFINE([HAVE_PTHREAD_MUTEX_ERRORCHECK_NP], 1,
1279 [Define to 1 if you have the `PTHREAD_MUTEX_ERRORCHECK_NP' constant.])
1285 # Check for PTHREAD_MUTEX_RECURSIVE_NP
1287 AC_MSG_CHECKING([for PTHREAD_MUTEX_RECURSIVE_NP])
1289 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1291 #include <pthread.h>
1293 return (PTHREAD_MUTEX_RECURSIVE_NP);
1295 AC_MSG_RESULT([yes])
1296 AC_DEFINE([HAVE_PTHREAD_MUTEX_RECURSIVE_NP], 1,
1297 [Define to 1 if you have the `PTHREAD_MUTEX_RECURSIVE_NP' constant.])
1303 # Check for PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP
1305 AC_MSG_CHECKING([for PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP])
1307 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1309 #include <pthread.h>
1311 pthread_mutex_t m = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
1314 AC_MSG_RESULT([yes])
1315 AC_DEFINE([HAVE_PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP], 1,
1316 [Define to 1 if you have the `PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP' constant.])
1322 # Check whether pthread_mutex_t has a member called __m_kind.
1324 AC_CHECK_MEMBER([pthread_mutex_t.__m_kind],
1325 [AC_DEFINE([HAVE_PTHREAD_MUTEX_T__M_KIND],
1327 [Define to 1 if pthread_mutex_t has a member called __m_kind.])
1330 [#include <pthread.h>])
1333 # Check whether pthread_mutex_t has a member called __data.__kind.
1335 AC_CHECK_MEMBER([pthread_mutex_t.__data.__kind],
1336 [AC_DEFINE([HAVE_PTHREAD_MUTEX_T__DATA__KIND],
1338 [Define to 1 if pthread_mutex_t has a member __data.__kind.])
1341 [#include <pthread.h>])
1343 # Convenience function. Set flags based on the existing HWCAP entries.
1344 # The AT_HWCAP entries are generated by glibc, and are based on
1345 # functions supported by the hardware/system/libc.
1346 # Subsequent support for whether the capability will actually be utilized
1347 # will also be checked against the compiler capabilities.
1349 # AC_HWCAP_CONTAINS_FLAG[hwcap_string_to_match],[VARIABLE_TO_SET]
1350 AC_DEFUN([AC_HWCAP_CONTAINS_FLAG],[
1352 AC_MSG_CHECKING([if AT_HWCAP contains the $AUXV_CHECK_FOR indicator])
1353 if `LD_SHOW_AUXV=1 /bin/true | grep ^AT_HWCAP | grep -q -w ${AUXV_CHECK_FOR}`
1355 AC_MSG_RESULT([yes])
1356 AC_SUBST([$2],[yes])
1363 # gather hardware capabilities. (hardware/kernel/libc)
1364 AC_HWCAP_CONTAINS_FLAG([altivec],[HWCAP_HAS_ALTIVEC])
1365 AC_HWCAP_CONTAINS_FLAG([vsx],[HWCAP_HAS_VSX])
1366 AC_HWCAP_CONTAINS_FLAG([dfp],[HWCAP_HAS_DFP])
1367 AC_HWCAP_CONTAINS_FLAG([arch_2_05],[HWCAP_HAS_ISA_2_05])
1368 AC_HWCAP_CONTAINS_FLAG([arch_2_06],[HWCAP_HAS_ISA_2_06])
1369 AC_HWCAP_CONTAINS_FLAG([arch_2_07],[HWCAP_HAS_ISA_2_07])
1370 AC_HWCAP_CONTAINS_FLAG([htm],[HWCAP_HAS_HTM])
1373 AM_CONDITIONAL(HAS_ISA_2_05, [test x$HWCAP_HAS_ISA_2_05 = xyes])
1374 AM_CONDITIONAL(HAS_ISA_2_06, [test x$HWCAP_HAS_ISA_2_06 = xyes])
1375 # compiler support for isa 2.07 level instructions
1376 AC_MSG_CHECKING([that assembler knows ISA 2.07 instructions ])
1377 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1379 __asm__ __volatile__("mtvsrd 1,2 ");
1381 ac_asm_have_isa_2_07=yes
1382 AC_MSG_RESULT([yes])
1384 ac_asm_have_isa_2_07=no
1387 AM_CONDITIONAL(HAS_ISA_2_07, [test x$ac_asm_have_isa_2_07 = xyes \
1388 -a x$HWCAP_HAS_ISA_2_07 = xyes])
1390 # altivec (vsx) support.
1391 # does this compiler support -maltivec and does it have the include file
1393 AC_MSG_CHECKING([for Altivec support in the compiler ])
1395 CFLAGS="-maltivec -Werror"
1396 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1397 #include <altivec.h>
1399 vector unsigned int v;
1402 AC_MSG_RESULT([yes])
1403 AC_DEFINE([HAS_ALTIVEC], 1,
1404 [Define to 1 if gcc/as can do Altivec.])
1410 AM_CONDITIONAL([HAS_ALTIVEC], [test x$ac_have_altivec = xyes \
1411 -a x$HWCAP_HAS_ALTIVEC = xyes])
1413 # Check that both: the compiler supports -mvsx and that the assembler
1414 # understands VSX instructions. If either of those doesn't work,
1415 # conclude that we can't do VSX.
1416 AC_MSG_CHECKING([for VSX compiler flag support])
1418 CFLAGS="-mvsx -Werror"
1419 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1422 ac_compiler_supports_vsx_flag=yes
1423 AC_MSG_RESULT([yes])
1425 ac_compiler_supports_vsx_flag=no
1430 AC_MSG_CHECKING([for VSX support in the assembler ])
1432 CFLAGS="-mvsx -Werror"
1433 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1434 #include <altivec.h>
1436 vector unsigned int v;
1437 __asm__ __volatile__("xsmaddadp 32, 32, 33" ::: "memory","cc");
1439 ac_compiler_supports_vsx=yes
1440 AC_MSG_RESULT([yes])
1442 ac_compiler_supports_vsx=no
1446 AM_CONDITIONAL([HAS_VSX], [test x$ac_compiler_supports_vsx_flag = xyes \
1447 -a x$ac_compiler_supports_vsx = xyes \
1448 -a x$HWCAP_HAS_VSX = xyes ])
1450 # DFP (Decimal Float)
1451 AC_MSG_CHECKING([that assembler knows DFP])
1452 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1454 __asm__ __volatile__("dadd 1, 2, 3");
1455 __asm__ __volatile__("dcffix 1, 2");
1458 AC_MSG_RESULT([yes])
1463 AC_MSG_CHECKING([that compiler knows -mhard-dfp switch])
1465 CFLAGS="-mhard-dfp -Werror"
1466 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1468 __asm__ __volatile__("dadd 1, 2, 3");
1469 __asm__ __volatile__("dcffix 1, 2");
1471 ac_compiler_have_dfp=yes
1472 AC_MSG_RESULT([yes])
1474 ac_compiler_have_dfp=no
1478 AM_CONDITIONAL(HAS_DFP, test x$ac_asm_have_dfp = xyes \
1479 -a x$ac_compiler_have_dfp = xyes \
1480 -a x$HWCAP_HAS_DFP = xyes )
1482 AC_MSG_CHECKING([that compiler knows DFP datatypes])
1483 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1485 _Decimal64 x = 0.0DD;
1487 ac_compiler_have_dfp_type=yes
1488 AC_MSG_RESULT([yes])
1490 ac_compiler_have_dfp_type=no
1493 AM_CONDITIONAL(BUILD_DFP_TESTS, test x$ac_compiler_have_dfp_type = xyes \
1494 -a xHWCAP_$HAS_DFP = xyes )
1497 # HTM (Hardware Transactional Memory)
1498 AC_MSG_CHECKING([if compiler accepts the -mhtm flag])
1500 CFLAGS="-mhtm -Werror"
1501 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1505 AC_MSG_RESULT([yes])
1506 ac_compiler_supports_htm=yes
1509 ac_compiler_supports_htm=no
1513 AC_MSG_CHECKING([if compiler can find the htm builtins])
1515 CFLAGS="-mhtm -Werror"
1516 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1518 if (__builtin_tbegin (0))
1521 AC_MSG_RESULT([yes])
1522 ac_compiler_sees_htm_builtins=yes
1525 ac_compiler_sees_htm_builtins=no
1529 AM_CONDITIONAL(SUPPORTS_HTM, test x$ac_compiler_supports_htm = xyes \
1530 -a x$ac_compiler_sees_htm_builtins = xyes \
1531 -a x$HWCAP_HAS_HTM = xyes )
1533 # Check for pthread_create@GLIBC2.0
1534 AC_MSG_CHECKING([for pthread_create@GLIBC2.0()])
1537 CFLAGS="-lpthread -Werror"
1538 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1539 extern int pthread_create_glibc_2_0(void*, const void*,
1540 void *(*)(void*), void*);
1541 __asm__(".symver pthread_create_glibc_2_0, pthread_create@GLIBC_2.0");
1545 * Apparently on PowerPC linking this program succeeds and generates an
1546 * executable with the undefined symbol pthread_create@GLIBC_2.0.
1548 #error This test does not work properly on PowerPC.
1550 pthread_create_glibc_2_0(0, 0, 0, 0);
1554 ac_have_pthread_create_glibc_2_0=yes
1555 AC_MSG_RESULT([yes])
1556 AC_DEFINE([HAVE_PTHREAD_CREATE_GLIBC_2_0], 1,
1557 [Define to 1 if you have the `pthread_create@glibc2.0' function.])
1559 ac_have_pthread_create_glibc_2_0=no
1564 AM_CONDITIONAL(HAVE_PTHREAD_CREATE_GLIBC_2_0,
1565 test x$ac_have_pthread_create_glibc_2_0 = xyes)
1568 # Check for dlinfo RTLD_DI_TLS_MODID
1569 AC_MSG_CHECKING([for dlinfo RTLD_DI_TLS_MODID])
1573 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1580 size_t sizes[10000];
1581 size_t modid_offset;
1582 (void) dlinfo ((void*)sizes, RTLD_DI_TLS_MODID, &modid_offset);
1585 ac_have_dlinfo_rtld_di_tls_modid=yes
1586 AC_MSG_RESULT([yes])
1587 AC_DEFINE([HAVE_DLINFO_RTLD_DI_TLS_MODID], 1,
1588 [Define to 1 if you have a dlinfo that can do RTLD_DI_TLS_MODID.])
1590 ac_have_dlinfo_rtld_di_tls_modid=no
1595 AM_CONDITIONAL(HAVE_DLINFO_RTLD_DI_TLS_MODID,
1596 test x$ac_have_dlinfo_rtld_di_tls_modid = xyes)
1599 # Check for eventfd_t, eventfd() and eventfd_read()
1600 AC_MSG_CHECKING([for eventfd()])
1602 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1603 #include <sys/eventfd.h>
1609 eventfd_read(fd, &ev);
1612 AC_MSG_RESULT([yes])
1613 AC_DEFINE([HAVE_EVENTFD], 1,
1614 [Define to 1 if you have the `eventfd' function.])
1615 AC_DEFINE([HAVE_EVENTFD_READ], 1,
1616 [Define to 1 if you have the `eventfd_read' function.])
1621 # Check whether compiler can process #include <thread> without errors
1622 # clang 3.3 cannot process <thread> from e.g.
1623 # gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3
1625 AC_MSG_CHECKING([that C++ compiler can include <thread> header file])
1627 safe_CXXFLAGS=$CXXFLAGS
1630 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
1634 ac_cxx_can_include_thread_header=yes
1635 AC_MSG_RESULT([yes])
1637 ac_cxx_can_include_thread_header=no
1640 CXXFLAGS=$safe_CXXFLAGS
1643 AM_CONDITIONAL(CXX_CAN_INCLUDE_THREAD_HEADER, test x$ac_cxx_can_include_thread_header = xyes)
1646 # On aarch64 before glibc 2.20 we would get the kernel user_pt_regs instead
1647 # of the user_regs_struct from sys/user.h. They are structurally the same
1648 # but we get either one or the other.
1650 AC_CHECK_TYPE([struct user_regs_struct],
1651 [sys_user_has_user_regs=yes], [sys_user_has_user_regs=no],
1652 [[#include <sys/ptrace.h>]
1653 [#include <sys/time.h>]
1654 [#include <sys/user.h>]])
1655 if test "$sys_user_has_user_regs" = "yes"; then
1656 AC_DEFINE(HAVE_SYS_USER_REGS, 1,
1657 [Define to 1 if <sys/user.h> defines struct user_regs_struct])
1661 #----------------------------------------------------------------------------
1662 # Checking for supported compiler flags.
1663 #----------------------------------------------------------------------------
1665 # does this compiler support -m32 ?
1666 AC_MSG_CHECKING([if gcc accepts -m32])
1669 CFLAGS="-m32 -Werror"
1671 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
1675 AC_MSG_RESULT([yes])
1685 # does this compiler support -m64 ?
1686 AC_MSG_CHECKING([if gcc accepts -m64])
1689 CFLAGS="-m64 -Werror"
1691 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
1695 AC_MSG_RESULT([yes])
1705 # does this compiler support -march=mips32 (mips32 default) ?
1706 AC_MSG_CHECKING([if gcc accepts -march=mips32])
1709 CFLAGS="$CFLAGS -march=mips32 -Werror"
1711 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
1714 FLAG_MIPS32="-march=mips32"
1715 AC_MSG_RESULT([yes])
1722 AC_SUBST(FLAG_MIPS32)
1725 # does this compiler support -march=mips64 (mips64 default) ?
1726 AC_MSG_CHECKING([if gcc accepts -march=mips64])
1729 CFLAGS="$CFLAGS -march=mips64 -Werror"
1731 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
1734 FLAG_MIPS64="-march=mips64"
1735 AC_MSG_RESULT([yes])
1742 AC_SUBST(FLAG_MIPS64)
1745 # does this compiler support -march=octeon (Cavium OCTEON I Specific) ?
1746 AC_MSG_CHECKING([if gcc accepts -march=octeon])
1749 CFLAGS="$CFLAGS -march=octeon -Werror"
1751 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
1754 FLAG_OCTEON="-march=octeon"
1755 AC_MSG_RESULT([yes])
1762 AC_SUBST(FLAG_OCTEON)
1765 # does this compiler support -march=octeon2 (Cavium OCTEON II Specific) ?
1766 AC_MSG_CHECKING([if gcc accepts -march=octeon2])
1769 CFLAGS="$CFLAGS -march=octeon2 -Werror"
1771 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
1774 FLAG_OCTEON2="-march=octeon2"
1775 AC_MSG_RESULT([yes])
1782 AC_SUBST(FLAG_OCTEON2)
1785 # does this compiler support -mmmx ?
1786 AC_MSG_CHECKING([if gcc accepts -mmmx])
1789 CFLAGS="-mmmx -Werror"
1791 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
1795 AC_MSG_RESULT([yes])
1805 # does this compiler support -msse ?
1806 AC_MSG_CHECKING([if gcc accepts -msse])
1809 CFLAGS="-msse -Werror"
1811 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
1815 AC_MSG_RESULT([yes])
1825 # does this compiler support -mpreferred-stack-boundary=2 when
1826 # generating code for a 32-bit target? Note that we only care about
1827 # this when generating code for (32-bit) x86, so if the compiler
1828 # doesn't recognise -m32 it's no big deal. We'll just get code for
1829 # the Memcheck and other helper functions, that is a bit slower than
1830 # it could be, on x86; and no difference at all on any other platform.
1831 AC_MSG_CHECKING([if gcc accepts -mpreferred-stack-boundary=2 -m32])
1834 CFLAGS="-mpreferred-stack-boundary=2 -m32 -Werror"
1836 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
1839 PREFERRED_STACK_BOUNDARY_2="-mpreferred-stack-boundary=2"
1840 AC_MSG_RESULT([yes])
1842 PREFERRED_STACK_BOUNDARY_2=""
1847 AC_SUBST(PREFERRED_STACK_BOUNDARY_2)
1850 # Convenience function to check whether GCC supports a particular
1851 # warning option. Takes two arguments,
1852 # first the warning flag name to check (without -W), then the
1853 # substitution name to set with -Wno-warning-flag if the flag exists,
1854 # or the empty string if the compiler doesn't accept the flag. Note
1855 # that checking is done against the warning flag itself, but the
1856 # substitution is then done to cancel the warning flag.
1857 AC_DEFUN([AC_GCC_WARNING_SUBST_NO],[
1858 AC_MSG_CHECKING([if gcc accepts -W$1])
1860 CFLAGS="-W$1 -Werror"
1861 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[;]])], [
1862 AC_SUBST([$2], [-Wno-$1])
1863 AC_MSG_RESULT([yes])], [
1865 AC_MSG_RESULT([no])])
1869 # Convenience function. Like AC_GCC_WARNING_SUBST_NO, except it substitutes
1870 # -W$1 (instead of -Wno-$1).
1871 AC_DEFUN([AC_GCC_WARNING_SUBST],[
1872 AC_MSG_CHECKING([if gcc accepts -W$1])
1874 CFLAGS="-W$1 -Werror"
1875 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[;]])], [
1876 AC_SUBST([$2], [-W$1])
1877 AC_MSG_RESULT([yes])], [
1879 AC_MSG_RESULT([no])])
1883 AC_GCC_WARNING_SUBST_NO([nonnull], [FLAG_W_NO_NONNULL])
1884 AC_GCC_WARNING_SUBST_NO([overflow], [FLAG_W_NO_OVERFLOW])
1885 AC_GCC_WARNING_SUBST_NO([pointer-sign], [FLAG_W_NO_POINTER_SIGN])
1886 AC_GCC_WARNING_SUBST_NO([uninitialized], [FLAG_W_NO_UNINITIALIZED])
1887 AC_GCC_WARNING_SUBST_NO([unused-function], [FLAG_W_NO_UNUSED_FUNCTION])
1888 AC_GCC_WARNING_SUBST_NO([static-local-in-inline], [FLAG_W_NO_STATIC_LOCAL_IN_INLINE])
1889 AC_GCC_WARNING_SUBST([write-strings], [FLAG_W_WRITE_STRINGS])
1890 AC_GCC_WARNING_SUBST([empty-body], [FLAG_W_EMPTY_BODY])
1891 AC_GCC_WARNING_SUBST([format], [FLAG_W_FORMAT])
1892 AC_GCC_WARNING_SUBST([cast-qual], [FLAG_W_CAST_QUAL])
1893 AC_GCC_WARNING_SUBST([old-style-declaration], [FLAG_W_OLD_STYLE_DECLARATION])
1894 AC_GCC_WARNING_SUBST([ignored-qualifiers], [FLAG_W_IGNORED_QUALIFIERS])
1895 AC_GCC_WARNING_SUBST([missing-parameter-type], [FLAG_W_MISSING_PARAMETER_TYPE])
1897 # Does this compiler support -Wformat-security ?
1898 # Special handling is needed, because certain GCC versions require -Wformat
1899 # being present if -Wformat-security is given. Otherwise a warning is issued.
1900 # However, AC_GCC_WARNING_SUBST will stick in -Werror (see r15323 for rationale).
1901 # And with that the warning will be turned into an error with the result
1902 # that -Wformat-security is believed to be unsupported when in fact it is.
1903 AC_MSG_CHECKING([if gcc accepts -Wformat-security])
1905 CFLAGS="-Wformat -Wformat-security -Werror"
1906 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[;]])], [
1907 AC_SUBST([FLAG_W_FORMAT_SECURITY], [-Wformat-security])
1908 AC_MSG_RESULT([yes])], [
1909 AC_SUBST([FLAG_W_FORMAT_SECURITY], [])
1910 AC_MSG_RESULT([no])])
1913 # does this compiler support -Wextra or the older -W ?
1915 AC_MSG_CHECKING([if gcc accepts -Wextra or -W])
1918 CFLAGS="-Wextra -Werror"
1920 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
1923 AC_SUBST([FLAG_W_EXTRA], [-Wextra])
1924 AC_MSG_RESULT([-Wextra])
1927 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
1930 AC_SUBST([FLAG_W_EXTRA], [-W])
1933 AC_SUBST([FLAG_W_EXTRA], [])
1934 AC_MSG_RESULT([not supported])
1939 # does this compiler support -fno-stack-protector ?
1940 AC_MSG_CHECKING([if gcc accepts -fno-stack-protector])
1943 CFLAGS="-fno-stack-protector -Werror"
1945 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
1948 no_stack_protector=yes
1949 FLAG_FNO_STACK_PROTECTOR="-fno-stack-protector"
1950 AC_MSG_RESULT([yes])
1952 no_stack_protector=no
1953 FLAG_FNO_STACK_PROTECTOR=""
1958 AC_SUBST(FLAG_FNO_STACK_PROTECTOR)
1960 # Does GCC support disabling Identical Code Folding?
1961 # We want to disabled Identical Code Folding for the
1962 # tools preload shared objects to get better backraces.
1963 # For GCC 5.1+ -fipa-icf is enabled by default at -O2.
1964 # "The optimization reduces code size and may disturb
1965 # unwind stacks by replacing a function by equivalent
1966 # one with a different name."
1967 AC_MSG_CHECKING([if gcc accepts -fno-ipa-icf])
1970 CFLAGS="-fno-ipa-icf -Werror"
1972 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
1976 FLAG_FNO_IPA_ICF="-fno-ipa-icf"
1977 AC_MSG_RESULT([yes])
1985 AC_SUBST(FLAG_FNO_IPA_ICF)
1988 # Does this compiler support -fsanitize=undefined. This is true for
1989 # GCC 4.9 and newer. However, the undefined behaviour sanitiser in GCC 5.1
1990 # also checks for alignment violations on memory accesses which the valgrind
1991 # code base is sprinkled (if not littered) with. As those alignment issues
1992 # don't pose a problem we want to suppress warnings about them.
1993 # In GCC 5.1 this can be done by passing -fno-sanitize=alignment. Earlier
1994 # GCCs do not support that.
1996 # Only checked for if --enable-ubsan was given.
1997 if test "x${vg_cv_ubsan}" = "xyes"; then
1998 AC_MSG_CHECKING([if gcc accepts -fsanitize=undefined -fno-sanitize=alignment])
2000 CFLAGS="-fsanitize=undefined -fno-sanitize=alignment -Werror"
2001 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2004 FLAG_FSANITIZE="-fsanitize=undefined -fno-sanitize=alignment"
2005 LIB_UBSAN="-static-libubsan"
2006 AC_MSG_RESULT([yes])
2008 CFLAGS="-fsanitize=undefined -Werror"
2009 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2012 FLAG_FSANITIZE="-fsanitize=undefined"
2013 LIB_UBSAN="-static-libubsan"
2014 AC_MSG_RESULT([yes])
2022 AC_SUBST(FLAG_FSANITIZE)
2025 # does this compiler support --param inline-unit-growth=... ?
2027 AC_MSG_CHECKING([if gcc accepts --param inline-unit-growth])
2030 CFLAGS="--param inline-unit-growth=900 -Werror"
2032 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2035 AC_SUBST([FLAG_UNLIMITED_INLINE_UNIT_GROWTH],
2036 ["--param inline-unit-growth=900"])
2037 AC_MSG_RESULT([yes])
2039 AC_SUBST([FLAG_UNLIMITED_INLINE_UNIT_GROWTH], [""])
2045 # does this compiler support -gdwarf-4 -fdebug-types-section ?
2047 AC_MSG_CHECKING([if gcc accepts -gdwarf-4 -fdebug-types-section])
2050 CFLAGS="-gdwarf-4 -fdebug-types-section -Werror"
2052 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2056 AC_MSG_RESULT([yes])
2061 AM_CONDITIONAL(DWARF4, test x$ac_have_dwarf4 = xyes)
2065 # does this compiler support nested functions ?
2067 AC_MSG_CHECKING([if gcc accepts nested functions])
2069 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2070 int foo() { return 1; }
2073 ac_have_nested_functions=yes
2074 AC_MSG_RESULT([yes])
2076 ac_have_nested_functions=no
2079 AM_CONDITIONAL([HAVE_NESTED_FUNCTIONS], [test x$ac_have_nested_functions = xyes])
2082 # does this compiler support the 'p' constraint in ASM statements ?
2084 AC_MSG_CHECKING([if gcc accepts the 'p' constraint in asm statements])
2086 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2088 __asm__ __volatile__ ("movdqa (%0),%%xmm6\n" : "=p" (p));
2090 ac_have_asm_constraint_p=yes
2091 AC_MSG_RESULT([yes])
2093 ac_have_asm_constraint_p=no
2096 AM_CONDITIONAL([HAVE_ASM_CONSTRAINT_P], [test x$ac_have_asm_constraint_p = xyes])
2099 # We want to use use the -Ttext-segment option to the linker.
2100 # GNU (bfd) ld supports this directly. Newer GNU gold linkers
2101 # support it as an alias of -Ttext. Sadly GNU (bfd) ld's -Ttext
2102 # semantics are NOT what we want (GNU gold -Ttext is fine).
2104 # For GNU (bfd) ld -Ttext-segment chooses the base at which ELF headers
2105 # will reside. -Ttext aligns just the .text section start (but not any
2108 # So test for -Ttext-segment which is supported by all bfd ld versions
2109 # and use that if it exists. If it doesn't exist it must be an older
2110 # version of gold and we can fall back to using -Ttext which has the
2113 AC_MSG_CHECKING([if the linker accepts -Wl,-Ttext-segment])
2116 CFLAGS="-static -nodefaultlibs -nostartfiles -Wl,-Ttext-segment=$valt_load_address_pri_norml -Werror"
2119 [AC_LANG_SOURCE([int _start () { return 0; }])],
2121 linker_using_t_text="no"
2122 AC_SUBST([FLAG_T_TEXT], ["-Ttext-segment"])
2123 AC_MSG_RESULT([yes])
2125 linker_using_t_text="yes"
2126 AC_SUBST([FLAG_T_TEXT], ["-Ttext"])
2131 # If the linker only supports -Ttext (not -Ttext-segment) then we will
2132 # have to strip any build-id ELF NOTEs from the staticly linked tools.
2133 # Otherwise the build-id NOTE might end up at the default load address.
2134 # (Pedantically if the linker is gold then -Ttext is fine, but newer
2135 # gold versions also support -Ttext-segment. So just assume that unless
2136 # we can use -Ttext-segment we need to strip the build-id NOTEs.
2137 if test "x${linker_using_t_text}" = "xyes"; then
2138 AC_MSG_NOTICE([ld -Ttext used, need to strip build-id NOTEs.])
2139 # does the linker support -Wl,--build-id=none ? Note, it's
2140 # important that we test indirectly via whichever C compiler
2141 # is selected, rather than testing /usr/bin/ld or whatever
2143 AC_MSG_CHECKING([if the linker accepts -Wl,--build-id=none])
2145 CFLAGS="-Wl,--build-id=none -Werror"
2148 [AC_LANG_PROGRAM([ ], [return 0;])],
2150 AC_SUBST([FLAG_NO_BUILD_ID], ["-Wl,--build-id=none"])
2151 AC_MSG_RESULT([yes])
2153 AC_SUBST([FLAG_NO_BUILD_ID], [""])
2157 AC_MSG_NOTICE([ld -Ttext-segment used, no need to strip build-id NOTEs.])
2158 AC_SUBST([FLAG_NO_BUILD_ID], [""])
2162 # does the ppc assembler support "mtocrf" et al?
2163 AC_MSG_CHECKING([if ppc32/64 as supports mtocrf/mfocrf])
2165 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2166 __asm__ __volatile__("mtocrf 4,0");
2167 __asm__ __volatile__("mfocrf 0,4");
2169 ac_have_as_ppc_mftocrf=yes
2170 AC_MSG_RESULT([yes])
2172 ac_have_as_ppc_mftocrf=no
2175 if test x$ac_have_as_ppc_mftocrf = xyes ; then
2176 AC_DEFINE(HAVE_AS_PPC_MFTOCRF, 1, [Define to 1 if as supports mtocrf/mfocrf.])
2180 # does the ppc assembler support "lfdp" and other phased out floating point insns?
2181 AC_MSG_CHECKING([if ppc32/64 asm supports phased out floating point instructions])
2183 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2184 do { typedef struct {
2188 dbl_pair_t dbl_pair[3];
2189 __asm__ volatile ("lfdp 10, %0"::"m" (dbl_pair[0]));
2192 ac_have_as_ppc_fpPO=yes
2193 AC_MSG_RESULT([yes])
2195 ac_have_as_ppc_fpPO=no
2198 if test x$ac_have_as_ppc_fpPO = xyes ; then
2199 AC_DEFINE(HAVE_AS_PPC_FPPO, 1, [Define to 1 if as supports floating point phased out category.])
2203 # does the x86/amd64 assembler understand SSE3 instructions?
2204 # Note, this doesn't generate a C-level symbol. It generates a
2205 # automake-level symbol (BUILD_SSE3_TESTS), used in test Makefile.am's
2206 AC_MSG_CHECKING([if x86/amd64 assembler speaks SSE3])
2208 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2209 do { long long int x;
2210 __asm__ __volatile__("fisttpq (%0)" : :"r"(&x) ); }
2214 AC_MSG_RESULT([yes])
2220 AM_CONDITIONAL(BUILD_SSE3_TESTS, test x$ac_have_as_sse3 = xyes)
2223 # Ditto for SSSE3 instructions (note extra S)
2224 # Note, this doesn't generate a C-level symbol. It generates a
2225 # automake-level symbol (BUILD_SSSE3_TESTS), used in test Makefile.am's
2226 AC_MSG_CHECKING([if x86/amd64 assembler speaks SSSE3])
2228 save_CFLAGS="$CFLAGS"
2229 CFLAGS="$CFLAGS -msse -Werror"
2230 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2231 do { long long int x;
2232 __asm__ __volatile__(
2233 "pabsb (%0),%%xmm7" : : "r"(&x) : "xmm7" ); }
2236 ac_have_as_ssse3=yes
2237 AC_MSG_RESULT([yes])
2242 CFLAGS="$save_CFLAGS"
2244 AM_CONDITIONAL(BUILD_SSSE3_TESTS, test x$ac_have_as_ssse3 = xyes)
2247 # does the x86/amd64 assembler understand the PCLMULQDQ instruction?
2248 # Note, this doesn't generate a C-level symbol. It generates a
2249 # automake-level symbol (BUILD_PCLMULQDQ_TESTS), used in test Makefile.am's
2250 AC_MSG_CHECKING([if x86/amd64 assembler supports 'pclmulqdq'])
2251 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2253 __asm__ __volatile__(
2254 "pclmulqdq \$17,%%xmm6,%%xmm7" : : : "xmm6", "xmm7" ); }
2257 ac_have_as_pclmulqdq=yes
2258 AC_MSG_RESULT([yes])
2260 ac_have_as_pclmulqdq=no
2264 AM_CONDITIONAL(BUILD_PCLMULQDQ_TESTS, test x$ac_have_as_pclmulqdq = xyes)
2267 # does the x86/amd64 assembler understand the VPCLMULQDQ instruction?
2268 # Note, this doesn't generate a C-level symbol. It generates a
2269 # automake-level symbol (BUILD_VPCLMULQDQ_TESTS), used in test Makefile.am's
2270 AC_MSG_CHECKING([if x86/amd64 assembler supports 'vpclmulqdq'])
2271 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2274 * Carry-less multiplication of xmm1 with xmm2 and store the result in
2275 * xmm3. The immediate is used to determine which quadwords of xmm1 and
2276 * xmm2 should be used.
2278 __asm__ __volatile__(
2279 "vpclmulqdq \$0,%%xmm1,%%xmm2,%%xmm3" : : : );
2282 ac_have_as_vpclmulqdq=yes
2283 AC_MSG_RESULT([yes])
2285 ac_have_as_vpclmulqdq=no
2289 AM_CONDITIONAL(BUILD_VPCLMULQDQ_TESTS, test x$ac_have_as_vpclmulqdq = xyes)
2292 # does the x86/amd64 assembler understand the LZCNT instruction?
2293 # Note, this doesn't generate a C-level symbol. It generates a
2294 # automake-level symbol (BUILD_LZCNT_TESTS), used in test Makefile.am's
2295 AC_MSG_CHECKING([if x86/amd64 assembler supports 'lzcnt'])
2297 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2299 __asm__ __volatile__("lzcnt %%rax,%%rax" : : : "rax");
2302 ac_have_as_lzcnt=yes
2303 AC_MSG_RESULT([yes])
2309 AM_CONDITIONAL([BUILD_LZCNT_TESTS], [test x$ac_have_as_lzcnt = xyes])
2312 # does the x86/amd64 assembler understand the LOOPNEL instruction?
2313 # Note, this doesn't generate a C-level symbol. It generates a
2314 # automake-level symbol (BUILD_LOOPNEL_TESTS), used in test Makefile.am's
2315 AC_MSG_CHECKING([if x86/amd64 assembler supports 'loopnel'])
2317 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2319 __asm__ __volatile__("1: loopnel 1b\n");
2322 ac_have_as_loopnel=yes
2323 AC_MSG_RESULT([yes])
2325 ac_have_as_loopnel=no
2329 AM_CONDITIONAL([BUILD_LOOPNEL_TESTS], [test x$ac_have_as_loopnel = xyes])
2332 # does the x86/amd64 assembler understand ADDR32 ?
2333 # Note, this doesn't generate a C-level symbol. It generates a
2334 # automake-level symbol (BUILD_ADDR32_TESTS), used in test Makefile.am's
2335 AC_MSG_CHECKING([if x86/amd64 assembler supports 'addr32'])
2337 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2339 asm volatile ("addr32 rep movsb");
2342 ac_have_as_addr32=yes
2343 AC_MSG_RESULT([yes])
2345 ac_have_as_addr32=no
2349 AM_CONDITIONAL([BUILD_ADDR32_TESTS], [test x$ac_have_as_addr32 = xyes])
2352 # does the x86/amd64 assembler understand SSE 4.2 instructions?
2353 # Note, this doesn't generate a C-level symbol. It generates a
2354 # automake-level symbol (BUILD_SSE42_TESTS), used in test Makefile.am's
2355 AC_MSG_CHECKING([if x86/amd64 assembler speaks SSE4.2])
2357 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2358 do { long long int x;
2359 __asm__ __volatile__(
2360 "crc32q %%r15,%%r15" : : : "r15" );
2361 __asm__ __volatile__(
2362 "pblendvb (%%rcx), %%xmm11" : : : "memory", "xmm11");
2363 __asm__ __volatile__(
2364 "aesdec %%xmm2, %%xmm1" : : : "xmm2", "xmm1"); }
2367 ac_have_as_sse42=yes
2368 AC_MSG_RESULT([yes])
2374 AM_CONDITIONAL(BUILD_SSE42_TESTS, test x$ac_have_as_sse42 = xyes)
2377 # does the x86/amd64 assembler understand AVX instructions?
2378 # Note, this doesn't generate a C-level symbol. It generates a
2379 # automake-level symbol (BUILD_AVX_TESTS), used in test Makefile.am's
2380 AC_MSG_CHECKING([if x86/amd64 assembler speaks AVX])
2382 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2383 do { long long int x;
2384 __asm__ __volatile__(
2385 "vmovupd (%%rsp), %%ymm7" : : : "xmm7" );
2386 __asm__ __volatile__(
2387 "vaddpd %%ymm6,%%ymm7,%%ymm8" : : : "xmm6","xmm7","xmm8"); }
2391 AC_MSG_RESULT([yes])
2397 AM_CONDITIONAL(BUILD_AVX_TESTS, test x$ac_have_as_avx = xyes)
2400 # does the x86/amd64 assembler understand AVX2 instructions?
2401 # Note, this doesn't generate a C-level symbol. It generates a
2402 # automake-level symbol (BUILD_AVX2_TESTS), used in test Makefile.am's
2403 AC_MSG_CHECKING([if x86/amd64 assembler speaks AVX2])
2405 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2406 do { long long int x;
2407 __asm__ __volatile__(
2408 "vpsravd (%%rsp), %%ymm8, %%ymm7" : : : "xmm7", "xmm8" );
2409 __asm__ __volatile__(
2410 "vpaddb %%ymm6,%%ymm7,%%ymm8" : : : "xmm6","xmm7","xmm8"); }
2414 AC_MSG_RESULT([yes])
2420 AM_CONDITIONAL(BUILD_AVX2_TESTS, test x$ac_have_as_avx2 = xyes)
2423 # does the x86/amd64 assembler understand TSX instructions and
2424 # the XACQUIRE/XRELEASE prefixes?
2425 # Note, this doesn't generate a C-level symbol. It generates a
2426 # automake-level symbol (BUILD_TSX_TESTS), used in test Makefile.am's
2427 AC_MSG_CHECKING([if x86/amd64 assembler speaks TSX])
2429 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2431 __asm__ __volatile__(
2434 " xacquire lock incq 0(%rsp) \n\t"
2435 " xrelease lock incq 0(%rsp) \n"
2440 AC_MSG_RESULT([yes])
2446 AM_CONDITIONAL(BUILD_TSX_TESTS, test x$ac_have_as_tsx = xyes)
2449 # does the x86/amd64 assembler understand BMI1 and BMI2 instructions?
2450 # Note, this doesn't generate a C-level symbol. It generates a
2451 # automake-level symbol (BUILD_BMI_TESTS), used in test Makefile.am's
2452 AC_MSG_CHECKING([if x86/amd64 assembler speaks BMI1 and BMI2])
2454 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2455 do { unsigned int h, l;
2456 __asm__ __volatile__( "mulx %rax,%rcx,%r8" );
2457 __asm__ __volatile__(
2458 "andn %2, %1, %0" : "=r" (h) : "r" (0x1234567), "r" (0x7654321) );
2459 __asm__ __volatile__(
2460 "movl %2, %%edx; mulx %3, %1, %0" : "=r" (h), "=r" (l) : "g" (0x1234567), "rm" (0x7654321) : "edx" ); }
2464 AC_MSG_RESULT([yes])
2470 AM_CONDITIONAL(BUILD_BMI_TESTS, test x$ac_have_as_bmi = xyes)
2473 # does the x86/amd64 assembler understand FMA instructions?
2474 # Note, this doesn't generate a C-level symbol. It generates a
2475 # automake-level symbol (BUILD_FMA_TESTS), used in test Makefile.am's
2476 AC_MSG_CHECKING([if x86/amd64 assembler speaks FMA])
2478 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2479 do { unsigned int h, l;
2480 __asm__ __volatile__(
2481 "vfmadd132ps (%%rsp), %%ymm8, %%ymm7" : : : "xmm7", "xmm8" );
2482 __asm__ __volatile__(
2483 "vfnmsub231sd (%%rsp), %%xmm8, %%xmm7" : : : "xmm7", "xmm8" );
2484 __asm__ __volatile__(
2485 "vfmsubadd213pd (%%rsp), %%xmm8, %%xmm7" : : : "xmm7", "xmm8" ); }
2489 AC_MSG_RESULT([yes])
2495 AM_CONDITIONAL(BUILD_FMA_TESTS, test x$ac_have_as_fma = xyes)
2498 # does the amd64 assembler understand MPX instructions?
2499 # Note, this doesn't generate a C-level symbol. It generates a
2500 # automake-level symbol (BUILD_MPX_TESTS), used in test Makefile.am's
2501 AC_MSG_CHECKING([if amd64 assembler knows the MPX instructions])
2503 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2505 asm ("bndmov %bnd0,(%rsp)");
2506 asm ("bndldx 3(%rbx,%rdx), %bnd2");
2510 AC_MSG_RESULT([yes])
2516 AM_CONDITIONAL(BUILD_MPX_TESTS, test x$ac_have_as_mpx = xyes)
2519 # Does the C compiler support the "ifunc" attribute
2520 # Note, this doesn't generate a C-level symbol. It generates a
2521 # automake-level symbol (BUILD_IFUNC_TESTS), used in test Makefile.am's
2522 # does the x86/amd64 assembler understand MOVBE?
2523 # Note, this doesn't generate a C-level symbol. It generates a
2524 # automake-level symbol (BUILD_MOVBE_TESTS), used in test Makefile.am's
2525 AC_MSG_CHECKING([if x86/amd64 assembler knows the MOVBE insn])
2527 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2528 do { long long int x;
2529 __asm__ __volatile__(
2530 "movbe (%%rsp), %%r15" : : : "memory", "r15" ); }
2533 ac_have_as_movbe=yes
2534 AC_MSG_RESULT([yes])
2540 AM_CONDITIONAL(BUILD_MOVBE_TESTS, test x$ac_have_as_movbe = xyes)
2543 # Does the C compiler support the "ifunc" attribute
2544 # Note, this doesn't generate a C-level symbol. It generates a
2545 # automake-level symbol (BUILD_IFUNC_TESTS), used in test Makefile.am's
2546 AC_MSG_CHECKING([if gcc supports the ifunc attribute])
2548 AC_LINK_IFELSE([AC_LANG_SOURCE([[
2549 static void mytest(void) {}
2551 static void (*resolve_test(void))(void)
2553 return (void (*)(void))&mytest;
2556 void test(void) __attribute__((ifunc("resolve_test")));
2564 ac_have_ifunc_attr=yes
2565 AC_MSG_RESULT([yes])
2567 ac_have_ifunc_attr=no
2571 AM_CONDITIONAL(BUILD_IFUNC_TESTS, test x$ac_have_ifunc_attr = xyes)
2574 # XXX JRS 2010 Oct 13: what is this for? For sure, we don't need this
2575 # when building the tool executables. I think we should get rid of it.
2577 # Check for TLS support in the compiler and linker
2578 AC_LINK_IFELSE([AC_LANG_PROGRAM([[static __thread int foo;]],
2580 [vg_cv_linktime_tls=yes],
2581 [vg_cv_linktime_tls=no])
2582 # Native compilation: check whether running a program using TLS succeeds.
2583 # Linking only is not sufficient -- e.g. on Red Hat 7.3 linking TLS programs
2584 # succeeds but running programs using TLS fails.
2585 # Cross-compiling: check whether linking a program using TLS succeeds.
2586 AC_CACHE_CHECK([for TLS support], vg_cv_tls,
2587 [AC_ARG_ENABLE(tls, [ --enable-tls platform supports TLS],
2588 [vg_cv_tls=$enableval],
2589 [AC_RUN_IFELSE([AC_LANG_PROGRAM([[static __thread int foo;]],
2593 [vg_cv_tls=$vg_cv_linktime_tls])])])
2595 if test "$vg_cv_tls" = yes -a $is_clang != applellvm; then
2596 AC_DEFINE([HAVE_TLS], 1, [can use __thread to define thread-local variables])
2600 #----------------------------------------------------------------------------
2601 # Solaris-specific checks.
2602 #----------------------------------------------------------------------------
2604 if test "$VGCONF_OS" = "solaris" ; then
2605 # Solaris-specific check determining if the Sun Studio Assembler is used to
2606 # build Valgrind. The test checks if the x86/amd64 assembler understands the
2607 # cmovl.l instruction, if yes then it's Sun Assembler.
2609 # C-level symbol: none
2610 # Automake-level symbol: SOLARIS_SUN_STUDIO_AS
2612 AC_MSG_CHECKING([if x86/amd64 assembler speaks cmovl.l (Solaris-specific)])
2613 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2615 __asm__ __volatile__("cmovl.l %edx, %eax");
2617 solaris_have_sun_studio_as=yes
2618 AC_MSG_RESULT([yes])
2620 solaris_have_sun_studio_as=no
2623 AM_CONDITIONAL(SOLARIS_SUN_STUDIO_AS, test x$solaris_have_sun_studio_as = xyes)
2625 # Solaris-specific check determining if symbols __xpg4 and __xpg6
2626 # are present in linked elfs when gcc is invoked with -std=gnu99.
2627 # See solaris/vgpreload-solaris.mapfile for details.
2628 # gcc on Solaris instructs linker to include these symbols,
2629 # gcc on illumos does not.
2631 # C-level symbol: none
2632 # Automake-level symbol: SOLARIS_XPG_SYMBOLS_PRESENT
2634 save_CFLAGS="$CFLAGS"
2635 CFLAGS="$CFLAGS -std=gnu99"
2636 AC_MSG_CHECKING([if xpg symbols are present with -std=gnu99 (Solaris-specific)])
2637 AC_RUN_IFELSE([AC_LANG_SOURCE([[
2642 int main(int argc, const char *argv[]) {
2643 char command[PATH_MAX + 50];
2644 snprintf(command, sizeof(command), "nm %s | egrep '__xpg[4,6]'", argv[0]);
2646 FILE *output = popen(command, "r");
2647 if (output == NULL) return -1;
2650 if (fgets(buf, sizeof(buf), output) != NULL) {
2659 solaris_xpg_symbols_present=yes
2660 AC_MSG_RESULT([yes])
2662 solaris_xpg_symbols_present=no
2665 AM_CONDITIONAL(SOLARIS_XPG_SYMBOLS_PRESENT, test x$solaris_xpg_symbols_present = xyes)
2666 CFLAGS="$save_CFLAGS"
2669 # Solaris-specific check determining default platform for the Valgrind launcher.
2670 # Used in case the launcher cannot select platform by looking at the client
2671 # image (for example because the executable is a shell script).
2673 # C-level symbol: SOLARIS_LAUNCHER_DEFAULT_PLATFORM
2674 # Automake-level symbol: none
2676 AC_MSG_CHECKING([for default platform of Valgrind launcher (Solaris-specific)])
2677 # Get the ELF class of /bin/sh first.
2678 if ! test -f /bin/sh; then
2679 AC_MSG_ERROR([Shell interpreter `/bin/sh' not found.])
2681 elf_class=$( /usr/bin/file /bin/sh | sed -n 's/.*ELF \(..\)-bit.*/\1/p' )
2682 case "$elf_class" in
2684 default_arch="$VGCONF_ARCH_PRI";
2687 if test "x$VGCONF_ARCH_SEC" != "x"; then
2688 default_arch="$VGCONF_ARCH_SEC"
2690 default_arch="$VGCONF_ARCH_PRI";
2694 AC_MSG_ERROR([Cannot determine ELF class of `/bin/sh'.])
2697 default_platform="$default_arch-$VGCONF_OS"
2698 AC_MSG_RESULT([$default_platform])
2699 AC_DEFINE_UNQUOTED([SOLARIS_LAUNCHER_DEFAULT_PLATFORM], ["$default_platform"],
2700 [Default platform for Valgrind launcher.])
2703 # Solaris-specific check determining if the old syscalls are available.
2705 # C-level symbol: SOLARIS_OLD_SYSCALLS
2706 # Automake-level symbol: SOLARIS_OLD_SYSCALLS
2708 AC_MSG_CHECKING([for the old Solaris syscalls (Solaris-specific)])
2709 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2710 #include <sys/syscall.h>
2714 solaris_old_syscalls=yes
2715 AC_MSG_RESULT([yes])
2716 AC_DEFINE([SOLARIS_OLD_SYSCALLS], 1,
2717 [Define to 1 if you have the old Solaris syscalls.])
2719 solaris_old_syscalls=no
2722 AM_CONDITIONAL(SOLARIS_OLD_SYSCALLS, test x$solaris_old_syscalls = xyes)
2725 # Solaris-specific check determining if the new accept() syscall is available.
2728 # int accept(int sock, struct sockaddr *name, socklen_t *namelenp,
2731 # New syscall (available on illumos):
2732 # int accept(int sock, struct sockaddr *name, socklen_t *namelenp,
2733 # int version, int flags);
2735 # If the old syscall is present then the following syscall will fail with
2736 # ENOTSOCK (because file descriptor 0 is not a socket), if the new syscall is
2737 # available then it will fail with EINVAL (because the flags parameter is
2740 # C-level symbol: SOLARIS_NEW_ACCEPT_SYSCALL
2741 # Automake-level symbol: none
2743 AC_MSG_CHECKING([for the new `accept' syscall (Solaris-specific)])
2744 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
2745 #include <sys/syscall.h>
2749 syscall(SYS_accept, 0, 0, 0, 0, -1);
2750 return !(errno == EINVAL);
2752 AC_MSG_RESULT([yes])
2753 AC_DEFINE([SOLARIS_NEW_ACCEPT_SYSCALL], 1,
2754 [Define to 1 if you have the new `accept' syscall.])
2760 # Solaris-specific check determining if the new illumos pipe() syscall is
2764 # longlong_t pipe();
2766 # New syscall (available on illumos):
2767 # int pipe(intptr_t arg, int flags);
2769 # If the old syscall is present then the following call will succeed, if the
2770 # new syscall is available then it will fail with EFAULT (because address 0
2771 # cannot be accessed).
2773 # C-level symbol: SOLARIS_NEW_PIPE_SYSCALL
2774 # Automake-level symbol: none
2776 AC_MSG_CHECKING([for the new `pipe' syscall (Solaris-specific)])
2777 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
2778 #include <sys/syscall.h>
2782 syscall(SYS_pipe, 0, 0);
2783 return !(errno == EFAULT);
2785 AC_MSG_RESULT([yes])
2786 AC_DEFINE([SOLARIS_NEW_PIPE_SYSCALL], 1,
2787 [Define to 1 if you have the new `pipe' syscall.])
2793 # Solaris-specific check determining if the new lwp_sigqueue() syscall is
2797 # int lwp_kill(id_t lwpid, int sig);
2799 # New syscall (available on Solaris 11):
2800 # int lwp_sigqueue(id_t lwpid, int sig, void *value,
2801 # int si_code, timespec_t *timeout);
2803 # C-level symbol: SOLARIS_LWP_SIGQUEUE_SYSCALL
2804 # Automake-level symbol: SOLARIS_LWP_SIGQUEUE_SYSCALL
2806 AC_MSG_CHECKING([for the new `lwp_sigqueue' syscall (Solaris-specific)])
2807 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2808 #include <sys/syscall.h>
2810 return !SYS_lwp_sigqueue;
2812 solaris_lwp_sigqueue_syscall=yes
2813 AC_MSG_RESULT([yes])
2814 AC_DEFINE([SOLARIS_LWP_SIGQUEUE_SYSCALL], 1,
2815 [Define to 1 if you have the new `lwp_sigqueue' syscall.])
2817 solaris_lwp_sigqueue_syscall=no
2820 AM_CONDITIONAL(SOLARIS_LWP_SIGQUEUE_SYSCALL, test x$solaris_lwp_sigqueue_syscall = xyes)
2823 # Solaris-specific check determining if the lwp_sigqueue() syscall
2824 # takes both pid and thread id arguments or just thread id.
2826 # Old syscall (available on Solaris 11.x):
2827 # int lwp_sigqueue(id_t lwpid, int sig, void *value,
2828 # int si_code, timespec_t *timeout);
2830 # New syscall (available on Solaris 12):
2831 # int lwp_sigqueue(pid_t pid, id_t lwpid, int sig, void *value,
2832 # int si_code, timespec_t *timeout);
2834 # If the old syscall is present then the following syscall will fail with
2835 # EINVAL (because signal is out of range); if the new syscall is available
2836 # then it will fail with ESRCH (because it would not find such thread in the
2839 # C-level symbol: SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID
2840 # Automake-level symbol: SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID
2842 AM_COND_IF(SOLARIS_LWP_SIGQUEUE_SYSCALL,
2843 AC_MSG_CHECKING([if the `lwp_sigqueue' syscall accepts pid (Solaris-specific)])
2844 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
2845 #include <sys/syscall.h>
2849 syscall(SYS_lwp_sigqueue, 0, 101, 0, 0, 0, 0);
2850 return !(errno == ESRCH);
2852 solaris_lwp_sigqueue_syscall_takes_pid=yes
2853 AC_MSG_RESULT([yes])
2854 AC_DEFINE([SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID], 1,
2855 [Define to 1 if you have the new `lwp_sigqueue' syscall which accepts pid.])
2857 solaris_lwp_sigqueue_syscall_takes_pid=no
2860 AM_CONDITIONAL(SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID,
2861 test x$solaris_lwp_sigqueue_syscall_takes_pid = xyes)
2863 AM_CONDITIONAL(SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID, test x = y)
2867 # Solaris-specific check determining if the new lwp_name() syscall is
2870 # New syscall (available on Solaris 11):
2871 # int lwp_name(int opcode, id_t lwpid, char *name, size_t len);
2873 # C-level symbol: SOLARIS_LWP_NAME_SYSCALL
2874 # Automake-level symbol: SOLARIS_LWP_NAME_SYSCALL
2876 AC_MSG_CHECKING([for the new `lwp_name' syscall (Solaris-specific)])
2877 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2878 #include <sys/syscall.h>
2880 return !SYS_lwp_name;
2882 solaris_lwp_name_syscall=yes
2883 AC_MSG_RESULT([yes])
2884 AC_DEFINE([SOLARIS_LWP_NAME_SYSCALL], 1,
2885 [Define to 1 if you have the new `lwp_name' syscall.])
2887 solaris_lwp_name_syscall=no
2890 AM_CONDITIONAL(SOLARIS_LWP_NAME_SYSCALL, test x$solaris_lwp_name_syscall = xyes)
2893 # Solaris-specific check determining if the new zone() syscall subcodes
2894 # ZONE_LIST_DEFUNCT and ZONE_GETATTR_DEFUNCT are available. These subcodes
2895 # were added in Solaris 11 but are missing on illumos.
2897 # C-level symbol: SOLARIS_ZONE_DEFUNCT
2898 # Automake-level symbol: SOLARIS_ZONE_DEFUNCT
2900 AC_MSG_CHECKING([for ZONE_LIST_DEFUNCT and ZONE_GETATTR_DEFUNCT (Solaris-specific)])
2901 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2902 #include <sys/zone.h>
2904 return !(ZONE_LIST_DEFUNCT && ZONE_GETATTR_DEFUNCT);
2906 solaris_zone_defunct=yes
2907 AC_MSG_RESULT([yes])
2908 AC_DEFINE([SOLARIS_ZONE_DEFUNCT], 1,
2909 [Define to 1 if you have the `ZONE_LIST_DEFUNCT' and `ZONE_GETATTR_DEFUNC' constants.])
2911 solaris_zone_defunct=no
2914 AM_CONDITIONAL(SOLARIS_ZONE_DEFUNCT, test x$solaris_zone_defunct = xyes)
2917 # Solaris-specific check determining if the new shmsys() syscall subcodes
2918 # IPC_XSTAT64, SHMADV, SHM_ADV_GET, SHM_ADV_SET and SHMGET_OSM are available.
2919 # These subcodes were added in Solaris 11 but are missing on illumos.
2921 # C-level symbol: SOLARIS_SHM_NEW
2922 # Automake-level symbol: SOLARIS_SHM_NEW
2924 AC_MSG_CHECKING([for SHMADV, SHM_ADV_GET, SHM_ADV_SET and SHMGET_OSM (Solaris-specific)])
2925 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2926 #include <sys/ipc_impl.h>
2927 #include <sys/shm.h>
2928 #include <sys/shm_impl.h>
2930 return !(IPC_XSTAT64 && SHMADV && SHM_ADV_GET && SHM_ADV_SET && SHMGET_OSM);
2933 AC_MSG_RESULT([yes])
2934 AC_DEFINE([SOLARIS_SHM_NEW], 1,
2935 [Define to 1 if you have the `IPC_XSTAT64', `SHMADV', `SHM_ADV_GET', `SHM_ADV_SET' and `SHMGET_OSM' constants.])
2940 AM_CONDITIONAL(SOLARIS_SHM_NEW, test x$solaris_shm_new = xyes)
2943 # Solaris-specific check determining if prxregset_t is available. Illumos
2944 # currently does not define it on the x86 platform.
2946 # C-level symbol: SOLARIS_PRXREGSET_T
2947 # Automake-level symbol: SOLARIS_PRXREGSET_T
2949 AC_MSG_CHECKING([for the `prxregset_t' type (Solaris-specific)])
2950 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2951 #include <sys/procfs_isa.h>
2953 return !sizeof(prxregset_t);
2955 solaris_prxregset_t=yes
2956 AC_MSG_RESULT([yes])
2957 AC_DEFINE([SOLARIS_PRXREGSET_T], 1,
2958 [Define to 1 if you have the `prxregset_t' type.])
2960 solaris_prxregset_t=no
2963 AM_CONDITIONAL(SOLARIS_PRXREGSET_T, test x$solaris_prxregset_t = xyes)
2966 # Solaris-specific check determining if the new frealpathat() syscall is
2969 # New syscall (available on Solaris 11.1):
2970 # int frealpathat(int fd, char *path, char *buf, size_t buflen);
2972 # C-level symbol: SOLARIS_FREALPATHAT_SYSCALL
2973 # Automake-level symbol: SOLARIS_FREALPATHAT_SYSCALL
2975 AC_MSG_CHECKING([for the new `frealpathat' syscall (Solaris-specific)])
2976 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2977 #include <sys/syscall.h>
2979 return !SYS_frealpathat;
2981 solaris_frealpathat_syscall=yes
2982 AC_MSG_RESULT([yes])
2983 AC_DEFINE([SOLARIS_FREALPATHAT_SYSCALL], 1,
2984 [Define to 1 if you have the new `frealpathat' syscall.])
2986 solaris_frealpathat_syscall=no
2989 AM_CONDITIONAL(SOLARIS_FREALPATHAT_SYSCALL, test x$solaris_frealpathat_syscall = xyes)
2992 # Solaris-specific check determining if the new uuidsys() syscall is
2995 # New syscall (available on newer Solaris):
2996 # int uuidsys(struct uuid *uuid);
2998 # C-level symbol: SOLARIS_UUIDSYS_SYSCALL
2999 # Automake-level symbol: SOLARIS_UUIDSYS_SYSCALL
3001 AC_MSG_CHECKING([for the new `uuidsys' syscall (Solaris-specific)])
3002 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3003 #include <sys/syscall.h>
3005 return !SYS_uuidsys;
3007 solaris_uuidsys_syscall=yes
3008 AC_MSG_RESULT([yes])
3009 AC_DEFINE([SOLARIS_UUIDSYS_SYSCALL], 1,
3010 [Define to 1 if you have the new `uuidsys' syscall.])
3012 solaris_uuidsys_syscall=no
3015 AM_CONDITIONAL(SOLARIS_UUIDSYS_SYSCALL, test x$solaris_uuidsys_syscall = xyes)
3018 # Solaris-specific check determining if the new labelsys() syscall subcode
3019 # TNDB_GET_TNIP is available. This subcode was added in Solaris 11 but is
3020 # missing on illumos.
3022 # C-level symbol: SOLARIS_TNDB_GET_TNIP
3023 # Automake-level symbol: SOLARIS_TNDB_GET_TNIP
3025 AC_MSG_CHECKING([for TNDB_GET_TNIP (Solaris-specific)])
3026 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3027 #include <sys/tsol/tndb.h>
3029 return !TNDB_GET_TNIP;
3031 solaris_tndb_get_tnip=yes
3032 AC_MSG_RESULT([yes])
3033 AC_DEFINE([SOLARIS_TNDB_GET_TNIP], 1,
3034 [Define to 1 if you have the `TNDB_GET_TNIP' constant.])
3036 solaris_tndb_get_tnip=no
3039 AM_CONDITIONAL(SOLARIS_TNDB_GET_TNIP, test x$solaris_tndb_get_tnip = xyes)
3042 # Solaris-specific check determining if the new labelsys() syscall opcodes
3043 # TSOL_GETCLEARANCE and TSOL_SETCLEARANCE are available. These opcodes were
3044 # added in Solaris 11 but are missing on illumos.
3046 # C-level symbol: SOLARIS_TSOL_CLEARANCE
3047 # Automake-level symbol: SOLARIS_TSOL_CLEARANCE
3049 AC_MSG_CHECKING([for TSOL_GETCLEARANCE and TSOL_SETCLEARANCE (Solaris-specific)])
3050 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3051 #include <sys/tsol/tsyscall.h>
3053 return !(TSOL_GETCLEARANCE && TSOL_SETCLEARANCE);
3055 solaris_tsol_clearance=yes
3056 AC_MSG_RESULT([yes])
3057 AC_DEFINE([SOLARIS_TSOL_CLEARANCE], 1,
3058 [Define to 1 if you have the `TSOL_GETCLEARANCE' and `TSOL_SETCLEARANCE' constants.])
3060 solaris_tsol_clearance=no
3063 AM_CONDITIONAL(SOLARIS_TSOL_CLEARANCE, test x$solaris_tsol_clearance = xyes)
3066 # Solaris-specific check determining if the utimesys() syscall is
3067 # available (on illumos and older Solaris).
3069 # C-level symbol: SOLARIS_UTIMESYS_SYSCALL
3070 # Automake-level symbol: SOLARIS_UTIMESYS_SYSCALL
3072 AC_MSG_CHECKING([for the `utimesys' syscall (Solaris-specific)])
3073 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3074 #include <sys/syscall.h>
3076 return !SYS_utimesys;
3078 solaris_utimesys_syscall=yes
3079 AC_MSG_RESULT([yes])
3080 AC_DEFINE([SOLARIS_UTIMESYS_SYSCALL], 1,
3081 [Define to 1 if you have the `utimesys' syscall.])
3083 solaris_utimesys_syscall=no
3086 AM_CONDITIONAL(SOLARIS_UTIMESYS_SYSCALL, test x$solaris_utimesys_syscall = xyes)
3089 # Solaris-specific check determining if the utimensat() syscall is
3090 # available (on newer Solaris).
3092 # C-level symbol: SOLARIS_UTIMENSAT_SYSCALL
3093 # Automake-level symbol: SOLARIS_UTIMENSAT_SYSCALL
3095 AC_MSG_CHECKING([for the `utimensat' syscall (Solaris-specific)])
3096 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3097 #include <sys/syscall.h>
3099 return !SYS_utimensat;
3101 solaris_utimensat_syscall=yes
3102 AC_MSG_RESULT([yes])
3103 AC_DEFINE([SOLARIS_UTIMENSAT_SYSCALL], 1,
3104 [Define to 1 if you have the `utimensat' syscall.])
3106 solaris_utimensat_syscall=no
3109 AM_CONDITIONAL(SOLARIS_UTIMENSAT_SYSCALL, test x$solaris_utimensat_syscall = xyes)
3112 # Solaris-specific check determining if the spawn() syscall is available
3113 # (on newer Solaris).
3115 # C-level symbol: SOLARIS_SPAWN_SYSCALL
3116 # Automake-level symbol: SOLARIS_SPAWN_SYSCALL
3118 AC_MSG_CHECKING([for the `spawn' syscall (Solaris-specific)])
3119 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3120 #include <sys/syscall.h>
3124 solaris_spawn_syscall=yes
3125 AC_MSG_RESULT([yes])
3126 AC_DEFINE([SOLARIS_SPAWN_SYSCALL], 1,
3127 [Define to 1 if you have the `spawn' syscall.])
3129 solaris_spawn_syscall=no
3132 AM_CONDITIONAL(SOLARIS_SPAWN_SYSCALL, test x$solaris_spawn_syscall = xyes)
3135 # Solaris-specific check determining whether nscd (name switch cache daemon)
3136 # attaches its door at /system/volatile/name_service_door (Solaris)
3137 # or at /var/run/name_service_door (illumos).
3139 # Note that /var/run is a symlink to /system/volatile on Solaris
3140 # but not vice versa on illumos.
3142 # C-level symbol: SOLARIS_NSCD_DOOR_SYSTEM_VOLATILE
3143 # Automake-level symbol: SOLARIS_NSCD_DOOR_SYSTEM_VOLATILE
3145 AC_MSG_CHECKING([for nscd door location (Solaris-specific)])
3146 if test -e /system/volatile/name_service_door; then
3147 solaris_nscd_door_system_volatile=yes
3148 AC_MSG_RESULT([/system/volatile/name_service_door])
3149 AC_DEFINE([SOLARIS_NSCD_DOOR_SYSTEM_VOLATILE], 1,
3150 [Define to 1 if nscd attaches to /system/volatile/name_service_door.])
3152 solaris_nscd_door_system_volatile=no
3153 AC_MSG_RESULT([/var/run/name_service_door])
3155 AM_CONDITIONAL(SOLARIS_NSCD_DOOR_SYSTEM_VOLATILE, test x$solaris_nscd_door_system_volatile = xyes)
3158 # Solaris-specific check determining if the new gethrt() fasttrap is available.
3160 # New fasttrap (available on Solaris 11):
3161 # hrt_t *gethrt(void);
3163 # C-level symbol: SOLARIS_GETHRT_FASTTRAP
3164 # Automake-level symbol: SOLARIS_GETHRT_FASTTRAP
3166 AC_MSG_CHECKING([for the new `gethrt' fasttrap (Solaris-specific)])
3167 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3168 #include <sys/trap.h>
3172 solaris_gethrt_fasttrap=yes
3173 AC_MSG_RESULT([yes])
3174 AC_DEFINE([SOLARIS_GETHRT_FASTTRAP], 1,
3175 [Define to 1 if you have the new `gethrt' fasttrap.])
3177 solaris_gethrt_fasttrap=no
3180 AM_CONDITIONAL(SOLARIS_GETHRT_FASTTRAP, test x$solaris_gethrt_fasttrap = xyes)
3183 # Solaris-specific check determining if the new get_zone_offset() fasttrap
3186 # New fasttrap (available on Solaris 11):
3187 # zonehrtoffset_t *get_zone_offset(void);
3189 # C-level symbol: SOLARIS_GETZONEOFFSET_FASTTRAP
3190 # Automake-level symbol: SOLARIS_GETZONEOFFSET_FASTTRAP
3192 AC_MSG_CHECKING([for the new `get_zone_offset' fasttrap (Solaris-specific)])
3193 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3194 #include <sys/trap.h>
3196 return !T_GETZONEOFFSET;
3198 solaris_getzoneoffset_fasttrap=yes
3199 AC_MSG_RESULT([yes])
3200 AC_DEFINE([SOLARIS_GETZONEOFFSET_FASTTRAP], 1,
3201 [Define to 1 if you have the new `get_zone_offset' fasttrap.])
3203 solaris_getzoneoffset_fasttrap=no
3206 AM_CONDITIONAL(SOLARIS_GETZONEOFFSET_FASTTRAP, test x$solaris_getzoneoffset_fasttrap = xyes)
3209 # Solaris-specific check determining if the execve() syscall
3210 # takes fourth argument (flags) or not.
3212 # Old syscall (available on illumos):
3213 # int execve(const char *fname, const char **argv, const char **envp);
3215 # New syscall (available on Solaris):
3216 # int execve(uintptr_t file, const char **argv, const char **envp, int flags);
3218 # If the new syscall is present then it will fail with EINVAL (because flags
3219 # are invalid); if the old syscall is available then it will fail with ENOENT
3220 # (because the file could not be found).
3222 # C-level symbol: SOLARIS_EXECVE_SYSCALL_TAKES_FLAGS
3223 # Automake-level symbol: SOLARIS_EXECVE_SYSCALL_TAKES_FLAGS
3225 AC_MSG_CHECKING([if the `execve' syscall accepts flags (Solaris-specific)])
3226 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
3227 #include <sys/syscall.h>
3231 syscall(SYS_execve, "/no/existing/path", 0, 0, 0xdeadbeef, 0, 0);
3232 return !(errno == EINVAL);
3234 solaris_execve_syscall_takes_flags=yes
3235 AC_MSG_RESULT([yes])
3236 AC_DEFINE([SOLARIS_EXECVE_SYSCALL_TAKES_FLAGS], 1,
3237 [Define to 1 if you have the new `execve' syscall which accepts flags.])
3239 solaris_execve_syscall_takes_flags=no
3242 AM_CONDITIONAL(SOLARIS_EXECVE_SYSCALL_TAKES_FLAGS,
3243 test x$solaris_execve_syscall_takes_flags = xyes)
3246 # Solaris-specific check determining version of the repository cache protocol.
3247 # Every Solaris version uses a different one, ranging from 21 to current 25.
3248 # The check is very ugly, though.
3250 # C-level symbol: SOLARIS_REPCACHE_PROTOCOL_VERSION vv
3251 # Automake-level symbol: none
3253 AC_PATH_PROG(DIS_PATH, dis, false)
3254 if test "x$DIS_PATH" = "xfalse"; then
3255 AC_MSG_FAILURE([Object code disassembler (`dis') not found.])
3257 AC_CHECK_LIB(scf, scf_handle_bind, [], [
3258 AC_MSG_WARN([Function `scf_handle_bind' was not found in `libscf'.])
3259 AC_MSG_ERROR([Cannot determine version of the repository cache protocol.])
3262 AC_MSG_CHECKING([for version of the repository cache protocol (Solaris-specific)])
3263 if test "X$VGCONF_ARCH_PRI" = "Xamd64"; then
3264 libscf=/usr/lib/64/libscf.so.1
3266 libscf=/usr/lib/libscf.so.1
3268 if ! $DIS_PATH -F scf_handle_bind $libscf | grep -q 0x526570; then
3269 AC_MSG_WARN([Function `scf_handle_bind' does not contain repository cache protocol version.])
3270 AC_MSG_ERROR([Cannot determine version of the repository cache protocol.])
3272 hex=$( $DIS_PATH -F scf_handle_bind $libscf | sed -n 's/.*0x526570\(..\).*/\1/p' )
3273 if test -z "$hex"; then
3274 AC_MSG_WARN([Version of the repository cache protocol is empty?!])
3275 AC_MSG_ERROR([Cannot determine version of the repository cache protocol.])
3277 version=$( printf "%d\n" 0x$hex )
3278 AC_MSG_RESULT([$version])
3279 AC_DEFINE_UNQUOTED([SOLARIS_REPCACHE_PROTOCOL_VERSION], [$version],
3280 [Version number of the repository door cache protocol.])
3283 AM_CONDITIONAL(SOLARIS_SUN_STUDIO_AS, false)
3284 AM_CONDITIONAL(SOLARIS_XPG_SYMBOLS_PRESENT, false)
3285 AM_CONDITIONAL(SOLARIS_OLD_SYSCALLS, false)
3286 AM_CONDITIONAL(SOLARIS_LWP_SIGQUEUE_SYSCALL, false)
3287 AM_CONDITIONAL(SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID, false)
3288 AM_CONDITIONAL(SOLARIS_LWP_NAME_SYSCALL, false)
3289 AM_CONDITIONAL(SOLARIS_ZONE_DEFUNCT, false)
3290 AM_CONDITIONAL(SOLARIS_SHM_NEW, false)
3291 AM_CONDITIONAL(SOLARIS_PRXREGSET_T, false)
3292 AM_CONDITIONAL(SOLARIS_FREALPATHAT_SYSCALL, false)
3293 AM_CONDITIONAL(SOLARIS_UUIDSYS_SYSCALL, false)
3294 AM_CONDITIONAL(SOLARIS_TNDB_GET_TNIP, false)
3295 AM_CONDITIONAL(SOLARIS_TSOL_CLEARANCE, false)
3296 AM_CONDITIONAL(SOLARIS_UTIMESYS_SYSCALL, false)
3297 AM_CONDITIONAL(SOLARIS_UTIMENSAT_SYSCALL, false)
3298 AM_CONDITIONAL(SOLARIS_SPAWN_SYSCALL, false)
3299 AM_CONDITIONAL(SOLARIS_NSCD_DOOR_SYSTEM_VOLATILE, false)
3300 AM_CONDITIONAL(SOLARIS_GETHRT_FASTTRAP, false)
3301 AM_CONDITIONAL(SOLARIS_GETZONEOFFSET_FASTTRAP, false)
3302 AM_CONDITIONAL(SOLARIS_EXECVE_SYSCALL_TAKES_FLAGS, false)
3303 fi # test "$VGCONF_OS" = "solaris"
3306 #----------------------------------------------------------------------------
3307 # Checks for C header files.
3308 #----------------------------------------------------------------------------
3311 AC_CHECK_HEADERS([ \
3328 # Verify whether the <linux/futex.h> header is usable.
3329 AC_MSG_CHECKING([if <linux/futex.h> is usable])
3331 save_CFLAGS="$CFLAGS"
3332 CFLAGS="$CFLAGS -D__user="
3333 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3334 #include <linux/futex.h>
3338 ac_have_usable_linux_futex_h=yes
3339 AC_DEFINE([HAVE_USABLE_LINUX_FUTEX_H], 1,
3340 [Define to 1 if you have a usable <linux/futex.h> header file.])
3341 AC_MSG_RESULT([yes])
3343 ac_have_usable_linux_futex_h=no
3346 CFLAGS="$save_CFLAGS"
3349 #----------------------------------------------------------------------------
3350 # Checks for typedefs, structures, and compiler characteristics.
3351 #----------------------------------------------------------------------------
3358 #----------------------------------------------------------------------------
3359 # Checks for library functions.
3360 #----------------------------------------------------------------------------
3364 AC_CHECK_LIB([pthread], [pthread_create])
3365 AC_CHECK_LIB([rt], [clock_gettime])
3378 pthread_barrier_init \
3379 pthread_condattr_setclock \
3380 pthread_mutex_timedlock \
3381 pthread_rwlock_timedrdlock \
3382 pthread_rwlock_timedwrlock \
3385 pthread_setname_np \
3401 # AC_CHECK_LIB adds any library found to the variable LIBS, and links these
3402 # libraries with any shared object and/or executable. This is NOT what we
3403 # want for e.g. vgpreload_core-x86-linux.so
3406 AM_CONDITIONAL([HAVE_PTHREAD_BARRIER],
3407 [test x$ac_cv_func_pthread_barrier_init = xyes])
3408 AM_CONDITIONAL([HAVE_PTHREAD_MUTEX_TIMEDLOCK],
3409 [test x$ac_cv_func_pthread_mutex_timedlock = xyes])
3410 AM_CONDITIONAL([HAVE_PTHREAD_SPINLOCK],
3411 [test x$ac_cv_func_pthread_spin_lock = xyes])
3412 AM_CONDITIONAL([HAVE_PTHREAD_SETNAME_NP],
3413 [test x$ac_cv_func_pthread_setname_np = xyes])
3415 if test x$VGCONF_PLATFORM_PRI_CAPS = xMIPS32_LINUX \
3416 -o x$VGCONF_PLATFORM_PRI_CAPS = xMIPS64_LINUX ; then
3417 AC_DEFINE([DISABLE_PTHREAD_SPINLOCK_INTERCEPT], 1,
3418 [Disable intercept pthread_spin_lock() on MIPS32 and MIPS64.])
3421 #----------------------------------------------------------------------------
3423 #----------------------------------------------------------------------------
3424 # Do we have a useable MPI setup on the primary and/or secondary targets?
3425 # On Linux, by default, assumes mpicc and -m32/-m64
3426 # Note: this is a kludge in that it assumes the specified mpicc
3427 # understands -m32/-m64 regardless of what is specified using
3429 AC_PATH_PROG([MPI_CC], [mpicc], [mpicc],
3430 [$PATH:/usr/lib/openmpi/bin:/usr/lib64/openmpi/bin])
3433 if test x$VGCONF_PLATFORM_PRI_CAPS = xX86_LINUX \
3434 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC32_LINUX \
3435 -o x$VGCONF_PLATFORM_PRI_CAPS = xARM_LINUX \
3436 -o x$VGCONF_PLATFORM_PRI_CAPS = xMIPS32_LINUX \
3437 -o x$VGCONF_PLATFORM_PRI_CAPS = xMIPS64_LINUX \
3438 -o x$VGCONF_PLATFORM_PRI_CAPS = xX86_SOLARIS ; then
3439 mflag_primary=$FLAG_M32
3440 elif test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_LINUX \
3441 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC64_LINUX \
3442 -o x$VGCONF_PLATFORM_PRI_CAPS = xARM64_LINUX \
3443 -o x$VGCONF_PLATFORM_PRI_CAPS = xS390X_LINUX ; then
3444 mflag_primary=$FLAG_M64
3445 elif test x$VGCONF_PLATFORM_PRI_CAPS = xX86_DARWIN ; then
3446 mflag_primary="$FLAG_M32 -arch i386"
3447 elif test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_DARWIN ; then
3448 mflag_primary="$FLAG_M64 -arch x86_64"
3452 if test x$VGCONF_PLATFORM_SEC_CAPS = xX86_LINUX \
3453 -o x$VGCONF_PLATFORM_SEC_CAPS = xPPC32_LINUX \
3454 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_SOLARIS ; then
3455 mflag_secondary=$FLAG_M32
3456 elif test x$VGCONF_PLATFORM_SEC_CAPS = xX86_DARWIN ; then
3457 mflag_secondary="$FLAG_M32 -arch i386"
3462 [ --with-mpicc= Specify name of MPI2-ised C compiler],
3467 ## We AM_COND_IF here instead of automake "if" in mpi/Makefile.am so that we can
3468 ## use these values in the check for a functioning mpicc.
3470 ## We leave the MPI_FLAG_M3264_ logic in mpi/Makefile.am and assume that
3471 ## mflag_primary/mflag_secondary are sufficient approximations of that behavior
3472 AM_COND_IF([VGCONF_OS_IS_LINUX],
3473 [CFLAGS_MPI="-g -O -fno-omit-frame-pointer -Wall -fpic"
3474 LDFLAGS_MPI="-fpic -shared"])
3475 AM_COND_IF([VGCONF_OS_IS_DARWIN],
3476 [CFLAGS_MPI="-g -O -fno-omit-frame-pointer -Wall -dynamic"
3477 LDFLAGS_MPI="-dynamic -dynamiclib -all_load"])
3478 AM_COND_IF([VGCONF_OS_IS_SOLARIS],
3479 [CFLAGS_MPI="-g -O -fno-omit-frame-pointer -Wall -fpic"
3480 LDFLAGS_MPI="-fpic -shared"])
3482 AC_SUBST([CFLAGS_MPI])
3483 AC_SUBST([LDFLAGS_MPI])
3486 ## See if MPI_CC works for the primary target
3488 AC_MSG_CHECKING([primary target for usable MPI2-compliant C compiler and mpi.h])
3490 saved_CFLAGS=$CFLAGS
3492 CFLAGS="$CFLAGS_MPI $mflag_primary"
3493 saved_LDFLAGS="$LDFLAGS"
3494 LDFLAGS="$LDFLAGS_MPI $mflag_primary"
3495 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
3499 int ni, na, nd, comb;
3500 int r = MPI_Init(NULL,NULL);
3501 r |= MPI_Type_get_envelope( MPI_INT, &ni, &na, &nd, &comb );
3502 r |= MPI_Finalize();
3505 ac_have_mpi2_pri=yes
3506 AC_MSG_RESULT([yes, $MPI_CC])
3512 CFLAGS=$saved_CFLAGS
3513 LDFLAGS="$saved_LDFLAGS"
3514 AM_CONDITIONAL(BUILD_MPIWRAP_PRI, test x$ac_have_mpi2_pri = xyes)
3516 ## See if MPI_CC works for the secondary target. Complication: what if
3517 ## there is no secondary target? We need this to then fail.
3518 ## Kludge this by making MPI_CC something which will surely fail in
3521 AC_MSG_CHECKING([secondary target for usable MPI2-compliant C compiler and mpi.h])
3523 saved_CFLAGS=$CFLAGS
3524 saved_LDFLAGS="$LDFLAGS"
3525 LDFLAGS="$LDFLAGS_MPI $mflag_secondary"
3526 if test x$VGCONF_PLATFORM_SEC_CAPS = x ; then
3527 CC="$MPI_CC this will surely fail"
3531 CFLAGS="$CFLAGS_MPI $mflag_secondary"
3532 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
3536 int ni, na, nd, comb;
3537 int r = MPI_Init(NULL,NULL);
3538 r |= MPI_Type_get_envelope( MPI_INT, &ni, &na, &nd, &comb );
3539 r |= MPI_Finalize();
3542 ac_have_mpi2_sec=yes
3543 AC_MSG_RESULT([yes, $MPI_CC])
3549 CFLAGS=$saved_CFLAGS
3550 LDFLAGS="$saved_LDFLAGS"
3551 AM_CONDITIONAL(BUILD_MPIWRAP_SEC, test x$ac_have_mpi2_sec = xyes)
3554 #----------------------------------------------------------------------------
3555 # Other library checks
3556 #----------------------------------------------------------------------------
3557 # There now follow some tests for Boost, and OpenMP. These
3558 # tests are present because Drd has some regression tests that use
3559 # these packages. All regression test programs all compiled only
3560 # for the primary target. And so it is important that the configure
3561 # checks that follow, use the correct -m32 or -m64 flag for the
3562 # primary target (called $mflag_primary). Otherwise, we can end up
3563 # in a situation (eg) where, on amd64-linux, the test for Boost checks
3564 # for usable 64-bit Boost facilities, but because we are doing a 32-bit
3565 # only build (meaning, the primary target is x86-linux), the build
3566 # of the regtest programs that use Boost fails, because they are
3567 # build as 32-bit (IN THIS EXAMPLE).
3569 # Hence: ALWAYS USE $mflag_primary FOR CONFIGURE TESTS FOR FACILITIES
3570 # NEEDED BY THE REGRESSION TEST PROGRAMS.
3573 # Check whether the boost library 1.35 or later has been installed.
3574 # The Boost.Threads library has undergone a major rewrite in version 1.35.0.
3576 AC_MSG_CHECKING([for boost])
3579 safe_CXXFLAGS=$CXXFLAGS
3580 CXXFLAGS="$mflag_primary"
3582 LIBS="-lboost_thread-mt -lboost_system-mt $LIBS"
3584 AC_LINK_IFELSE([AC_LANG_SOURCE([
3585 #include <boost/thread.hpp>
3586 static void thread_func(void)
3588 int main(int argc, char** argv)
3590 boost::thread t(thread_func);
3595 ac_have_boost_1_35=yes
3596 AC_SUBST([BOOST_CFLAGS], [])
3597 AC_SUBST([BOOST_LIBS], ["-lboost_thread-mt -lboost_system-mt"])
3598 AC_MSG_RESULT([yes])
3600 ac_have_boost_1_35=no
3605 CXXFLAGS=$safe_CXXFLAGS
3608 AM_CONDITIONAL([HAVE_BOOST_1_35], [test x$ac_have_boost_1_35 = xyes])
3611 # does this compiler support -fopenmp, does it have the include file
3612 # <omp.h> and does it have libgomp ?
3614 AC_MSG_CHECKING([for OpenMP])
3617 CFLAGS="-fopenmp $mflag_primary -Werror"
3619 AC_LINK_IFELSE([AC_LANG_SOURCE([
3621 int main(int argc, char** argv)
3629 AC_MSG_RESULT([yes])
3636 AM_CONDITIONAL([HAVE_OPENMP], [test x$ac_have_openmp = xyes])
3639 # Check for __builtin_popcount
3640 AC_MSG_CHECKING([for __builtin_popcount()])
3641 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
3643 __builtin_popcount(2);
3646 AC_MSG_RESULT([yes])
3647 AC_DEFINE([HAVE_BUILTIN_POPCOUT], 1,
3648 [Define to 1 if compiler provides __builtin_popcount().])
3653 # Check for __builtin_clz
3654 AC_MSG_CHECKING([for __builtin_clz()])
3655 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
3660 AC_MSG_RESULT([yes])
3661 AC_DEFINE([HAVE_BUILTIN_CLZ], 1,
3662 [Define to 1 if compiler provides __builtin_clz().])
3667 # Check for __builtin_ctz
3668 AC_MSG_CHECKING([for __builtin_ctz()])
3669 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
3674 AC_MSG_RESULT([yes])
3675 AC_DEFINE([HAVE_BUILTIN_CTZ], 1,
3676 [Define to 1 if compiler provides __builtin_ctz().])
3681 # does this compiler have built-in functions for atomic memory access for the
3683 AC_MSG_CHECKING([if gcc supports __sync_add_and_fetch for the primary target])
3686 CFLAGS="$mflag_primary"
3688 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
3690 return (__sync_bool_compare_and_swap(&variable, 1, 2)
3691 && __sync_add_and_fetch(&variable, 1) ? 1 : 0)
3693 ac_have_builtin_atomic_primary=yes
3694 AC_MSG_RESULT([yes])
3695 AC_DEFINE(HAVE_BUILTIN_ATOMIC, 1, [Define to 1 if gcc supports __sync_bool_compare_and_swap() and __sync_add_and_fetch() for the primary target])
3697 ac_have_builtin_atomic_primary=no
3703 AM_CONDITIONAL([HAVE_BUILTIN_ATOMIC],
3704 [test x$ac_have_builtin_atomic_primary = xyes])
3707 # does this compiler have built-in functions for atomic memory access for the
3708 # secondary target ?
3710 if test x$VGCONF_PLATFORM_SEC_CAPS != x; then
3712 AC_MSG_CHECKING([if gcc supports __sync_add_and_fetch for the secondary target])
3715 CFLAGS="$mflag_secondary"
3717 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
3719 return (__sync_add_and_fetch(&variable, 1) ? 1 : 0)
3721 ac_have_builtin_atomic_secondary=yes
3722 AC_MSG_RESULT([yes])
3724 ac_have_builtin_atomic_secondary=no
3732 AM_CONDITIONAL([HAVE_BUILTIN_ATOMIC_SECONDARY],
3733 [test x$ac_have_builtin_atomic_secondary = xyes])
3735 # does this compiler have built-in functions for atomic memory access on
3736 # 64-bit integers for all targets ?
3738 AC_MSG_CHECKING([if gcc supports __sync_add_and_fetch on uint64_t for all targets])
3740 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
3743 uint64_t variable = 1;
3744 return __sync_add_and_fetch(&variable, 1)
3746 ac_have_builtin_atomic64_primary=yes
3748 ac_have_builtin_atomic64_primary=no
3751 if test x$VGCONF_PLATFORM_SEC_CAPS != x; then
3754 CFLAGS="$mflag_secondary"
3756 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
3759 uint64_t variable = 1;
3760 return __sync_add_and_fetch(&variable, 1)
3762 ac_have_builtin_atomic64_secondary=yes
3764 ac_have_builtin_atomic64_secondary=no
3771 if test x$ac_have_builtin_atomic64_primary = xyes && \
3772 test x$VGCONF_PLATFORM_SEC_CAPS = x \
3773 -o x$ac_have_builtin_atomic64_secondary = xyes; then
3774 AC_MSG_RESULT([yes])
3775 ac_have_builtin_atomic64=yes
3778 ac_have_builtin_atomic64=no
3781 AM_CONDITIONAL([HAVE_BUILTIN_ATOMIC64],
3782 [test x$ac_have_builtin_atomic64 = xyes])
3785 # does g++ have built-in functions for atomic memory access ?
3786 AC_MSG_CHECKING([if g++ supports __sync_add_and_fetch])
3788 safe_CXXFLAGS=$CXXFLAGS
3789 CXXFLAGS="$mflag_primary"
3792 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
3794 return (__sync_bool_compare_and_swap(&variable, 1, 2)
3795 && __sync_add_and_fetch(&variable, 1) ? 1 : 0)
3797 ac_have_builtin_atomic_cxx=yes
3798 AC_MSG_RESULT([yes])
3799 AC_DEFINE(HAVE_BUILTIN_ATOMIC_CXX, 1, [Define to 1 if g++ supports __sync_bool_compare_and_swap() and __sync_add_and_fetch()])
3801 ac_have_builtin_atomic_cxx=no
3806 CXXFLAGS=$safe_CXXFLAGS
3808 AM_CONDITIONAL([HAVE_BUILTIN_ATOMIC_CXX], [test x$ac_have_builtin_atomic_cxx = xyes])
3811 if test x$ac_have_usable_linux_futex_h = xyes \
3812 -a x$ac_have_builtin_atomic_primary = xyes; then
3813 ac_enable_linux_ticket_lock_primary=yes
3815 AM_CONDITIONAL([ENABLE_LINUX_TICKET_LOCK_PRIMARY],
3816 [test x$ac_enable_linux_ticket_lock_primary = xyes])
3818 if test x$VGCONF_PLATFORM_SEC_CAPS != x \
3819 -a x$ac_have_usable_linux_futex_h = xyes \
3820 -a x$ac_have_builtin_atomic_secondary = xyes; then
3821 ac_enable_linux_ticket_lock_secondary=yes
3823 AM_CONDITIONAL([ENABLE_LINUX_TICKET_LOCK_SECONDARY],
3824 [test x$ac_enable_linux_ticket_lock_secondary = xyes])
3827 # does libstdc++ support annotating shared pointers ?
3828 AC_MSG_CHECKING([if libstdc++ supports annotating shared pointers])
3830 safe_CXXFLAGS=$CXXFLAGS
3831 CXXFLAGS="-std=c++0x"
3834 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
3837 std::shared_ptr<int> p
3839 ac_have_shared_ptr=yes
3841 ac_have_shared_ptr=no
3843 if test x$ac_have_shared_ptr = xyes; then
3844 # If compilation of the program below fails because of a syntax error
3845 # triggered by substituting one of the annotation macros then that
3846 # means that libstdc++ supports these macros.
3847 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
3848 #define _GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(a) (a)----
3849 #define _GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(a) (a)----
3852 std::shared_ptr<int> p
3854 ac_have_shared_pointer_annotation=no
3857 ac_have_shared_pointer_annotation=yes
3858 AC_MSG_RESULT([yes])
3859 AC_DEFINE(HAVE_SHARED_POINTER_ANNOTATION, 1,
3860 [Define to 1 if libstd++ supports annotating shared pointers])
3863 ac_have_shared_pointer_annotation=no
3868 CXXFLAGS=$safe_CXXFLAGS
3870 AM_CONDITIONAL([HAVE_SHARED_POINTER_ANNOTATION],
3871 [test x$ac_have_shared_pointer_annotation = xyes])
3874 #----------------------------------------------------------------------------
3875 # Ok. We're done checking.
3876 #----------------------------------------------------------------------------
3878 # Nb: VEX/Makefile is generated from Makefile.vex.in.
3881 VEX/Makefile:Makefile.vex.in
3890 gdbserver_tests/Makefile
3891 gdbserver_tests/solaris/Makefile
3897 memcheck/tests/Makefile
3898 memcheck/tests/common/Makefile
3899 memcheck/tests/amd64/Makefile
3900 memcheck/tests/x86/Makefile
3901 memcheck/tests/linux/Makefile
3902 memcheck/tests/darwin/Makefile
3903 memcheck/tests/solaris/Makefile
3904 memcheck/tests/amd64-linux/Makefile
3905 memcheck/tests/x86-linux/Makefile
3906 memcheck/tests/amd64-solaris/Makefile
3907 memcheck/tests/x86-solaris/Makefile
3908 memcheck/tests/ppc32/Makefile
3909 memcheck/tests/ppc64/Makefile
3910 memcheck/tests/s390x/Makefile
3911 memcheck/tests/vbit-test/Makefile
3913 cachegrind/tests/Makefile
3914 cachegrind/tests/x86/Makefile
3915 cachegrind/cg_annotate
3918 callgrind/callgrind_annotate
3919 callgrind/callgrind_control
3920 callgrind/tests/Makefile
3922 helgrind/tests/Makefile
3924 massif/tests/Makefile
3927 lackey/tests/Makefile
3930 none/tests/scripts/Makefile
3931 none/tests/amd64/Makefile
3932 none/tests/ppc32/Makefile
3933 none/tests/ppc64/Makefile
3934 none/tests/x86/Makefile
3935 none/tests/arm/Makefile
3936 none/tests/arm64/Makefile
3937 none/tests/s390x/Makefile
3938 none/tests/mips32/Makefile
3939 none/tests/mips64/Makefile
3940 none/tests/tilegx/Makefile
3941 none/tests/linux/Makefile
3942 none/tests/darwin/Makefile
3943 none/tests/solaris/Makefile
3944 none/tests/amd64-linux/Makefile
3945 none/tests/x86-linux/Makefile
3946 none/tests/amd64-darwin/Makefile
3947 none/tests/x86-darwin/Makefile
3948 none/tests/amd64-solaris/Makefile
3949 none/tests/x86-solaris/Makefile
3950 exp-sgcheck/Makefile
3951 exp-sgcheck/tests/Makefile
3953 drd/scripts/download-and-build-splash2
3956 exp-bbv/tests/Makefile
3957 exp-bbv/tests/x86/Makefile
3958 exp-bbv/tests/x86-linux/Makefile
3959 exp-bbv/tests/amd64-linux/Makefile
3960 exp-bbv/tests/ppc32-linux/Makefile
3961 exp-bbv/tests/arm-linux/Makefile
3963 exp-dhat/tests/Makefile
3967 AC_CONFIG_FILES([coregrind/link_tool_exe_linux],
3968 [chmod +x coregrind/link_tool_exe_linux])
3969 AC_CONFIG_FILES([coregrind/link_tool_exe_darwin],
3970 [chmod +x coregrind/link_tool_exe_darwin])
3971 AC_CONFIG_FILES([coregrind/link_tool_exe_solaris],
3972 [chmod +x coregrind/link_tool_exe_solaris])
3977 Maximum build arch: ${ARCH_MAX}
3978 Primary build arch: ${VGCONF_ARCH_PRI}
3979 Secondary build arch: ${VGCONF_ARCH_SEC}
3980 Build OS: ${VGCONF_OS}
3981 Primary build target: ${VGCONF_PLATFORM_PRI_CAPS}
3982 Secondary build target: ${VGCONF_PLATFORM_SEC_CAPS}
3983 Platform variant: ${VGCONF_PLATVARIANT}
3984 Primary -DVGPV string: -DVGPV_${VGCONF_ARCH_PRI}_${VGCONF_OS}_${VGCONF_PLATVARIANT}=1
3985 Default supp files: ${DEFAULT_SUPP}