| blob | 98d7ac6e5b6c9bbc9fe220bb284b134de2568cf7 |
2 ##------------------------------------------------------------##
3 #
4 # The multiple-architecture stuff in this file is pretty
5 # cryptic. Read docs/internals/multiple-architectures.txt
6 # for at least a partial explanation of what is going on.
7 #
8 ##------------------------------------------------------------##
10 # Process this file with autoconf to produce a configure script.
11 AC_INIT([Valgrind],[3.14.0.GIT],[valgrind-users@lists.sourceforge.net])
12 AC_CONFIG_SRCDIR(coregrind/m_main.c)
13 AC_CONFIG_HEADERS([config.h])
14 AM_INIT_AUTOMAKE([foreign subdir-objects])
16 AM_MAINTAINER_MODE
18 #----------------------------------------------------------------------------
19 # Do NOT modify these flags here. Except in feature tests in which case
20 # the original values must be properly restored.
21 #----------------------------------------------------------------------------
22 CFLAGS="$CFLAGS"
23 CXXFLAGS="$CXXFLAGS"
25 #----------------------------------------------------------------------------
26 # Checks for various programs.
27 #----------------------------------------------------------------------------
29 AC_PROG_LN_S
30 AC_PROG_CC
31 AM_PROG_CC_C_O
32 AC_PROG_CPP
33 AC_PROG_CXX
34 # AC_PROG_OBJC apparently causes problems on older Linux distros (eg. with
35 # autoconf 2.59). If we ever have any Objective-C code in the Valgrind code
36 # base (eg. most likely as Darwin-specific tests) we'll need one of the
37 # following:
38 # - put AC_PROG_OBJC in a Darwin-specific part of this file
39 # - Use AC_PROG_OBJC here and up the minimum autoconf version
40 # - Use the following, which is apparently equivalent:
41 # m4_ifdef([AC_PROG_OBJC],
42 # [AC_PROG_OBJC],
43 # [AC_CHECK_TOOL([OBJC], [gcc])
44 # AC_SUBST([OBJC])
45 # AC_SUBST([OBJCFLAGS])
46 # ])
47 AC_PROG_RANLIB
48 # 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],
52 [AC_ARG_VAR([SED])
53 AC_CHECK_PROGS([SED],[gsed sed])])])
54 AC_PROG_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])
60 fi
61 AC_ARG_VAR([AR],[Archiver command])
63 # Check for the compiler support
64 if test "${GCC}" != "yes" ; then
65 AC_MSG_ERROR([Valgrind relies on GCC to be compiled])
66 fi
68 # figure out where perl lives
69 AC_PATH_PROG(PERL, perl)
71 # figure out where gdb lives
72 AC_PATH_PROG(GDB, gdb, "/no/gdb/was/found/at/configure/time")
73 AC_DEFINE_UNQUOTED(GDB_PATH, "$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],
77 [
78 AS="${CC}"
79 AC_SUBST(AS)
81 ASFLAGS=""
82 AC_SUBST(ASFLAGS)
83 ])
86 # Check if 'diff' supports -u (universal diffs) and use it if possible.
88 AC_MSG_CHECKING([for diff -u])
89 AC_SUBST(DIFF)
91 # Comparing two identical files results in 0.
92 tmpfile="tmp-xxx-yyy-zzz"
93 touch $tmpfile;
94 if diff -u $tmpfile $tmpfile ; then
95 AC_MSG_RESULT([yes])
96 DIFF="diff -u"
97 else
98 AC_MSG_RESULT([no])
99 DIFF="diff"
100 fi
101 rm $tmpfile
103 # Make sure we can compile in C99 mode.
104 AC_PROG_CC_C99
105 if test "$ac_cv_prog_cc_c99" == "no"; then
106 AC_MSG_ERROR([Valgrind relies on a C compiler supporting C99])
107 fi
109 # We don't want gcc < 3.0
110 AC_MSG_CHECKING([for a supported version of gcc])
112 # Obtain the compiler version.
113 #
114 # A few examples of how the ${CC} --version output looks like:
115 #
116 # ######## gcc variants ########
117 # Arch Linux: i686-pc-linux-gnu-gcc (GCC) 4.6.2
118 # Debian Linux: gcc (Debian 4.3.2-1.1) 4.3.2
119 # openSUSE: gcc (SUSE Linux) 4.5.1 20101208 [gcc-4_5-branch revision 167585]
120 # Exherbo Linux: x86_64-pc-linux-gnu-gcc (Exherbo gcc-4.6.2) 4.6.2
121 # MontaVista Linux for ARM: arm-none-linux-gnueabi-gcc (Sourcery G++ Lite 2009q1-203) 4.3.3
122 # OS/X 10.6: i686-apple-darwin10-gcc-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5666) (dot 3)
123 # OS/X 10.7: i686-apple-darwin11-llvm-gcc-4.2 (GCC) 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2335.15.00)
124 #
125 # ######## clang variants ########
126 # Clang: clang version 2.9 (tags/RELEASE_29/final)
127 # Apple clang: Apple clang version 3.1 (tags/Apple/clang-318.0.58) (based on LLVM 3.1svn)
128 # FreeBSD clang: FreeBSD clang version 3.1 (branches/release_31 156863) 20120523
129 #
130 # ######## Apple LLVM variants ########
131 # Apple LLVM version 5.1 (clang-503.0.40) (based on LLVM 3.4svn)
132 # Apple LLVM version 6.0 (clang-600.0.51) (based on LLVM 3.5svn)
133 #
134 [
135 if test "x`${CC} --version | $SED -n -e 's/.*\Apple \(LLVM\) version.*clang.*/\1/p'`" = "xLLVM" ;
136 then
137 is_clang="applellvm"
138 gcc_version=`${CC} --version | $SED -n -e 's/.*LLVM version \([0-9.]*\).*$/\1/p'`
139 elif test "x`${CC} --version | $SED -n -e 's/.*\(clang\) version.*/\1/p'`" = "xclang" ;
140 then
141 is_clang="clang"
142 # Don't use -dumpversion with clang: it will always produce "4.2.1".
143 gcc_version=`${CC} --version | $SED -n -e 's/.*clang version \([0-9.]*\).*$/\1/p'`
144 elif test "x`${CC} --version | $SED -n -e 's/icc.*\(ICC\).*/\1/p'`" = "xICC" ;
145 then
146 is_clang="icc"
147 gcc_version=`${CC} -dumpversion 2>/dev/null`
148 else
149 is_clang="notclang"
150 gcc_version=`${CC} -dumpversion 2>/dev/null`
151 if test "x$gcc_version" = x; then
152 gcc_version=`${CC} --version | $SED -n -e 's/[^ ]*gcc[^ ]* ([^)]*) \([0-9.]*\).*$/\1/p'`
153 fi
154 fi
155 ]
156 AM_CONDITIONAL(COMPILER_IS_CLANG, test $is_clang = clang -o $is_clang = applellvm)
157 AM_CONDITIONAL(COMPILER_IS_ICC, test $is_clang = icc)
159 # Note: m4 arguments are quoted with [ and ] so square brackets in shell
160 # statements have to be quoted.
161 case "${is_clang}-${gcc_version}" in
162 applellvm-5.1|applellvm-[[6-9]].*|applellvm-[[1-9][0-9]]*)
163 AC_MSG_RESULT([ok (Apple LLVM version ${gcc_version})])
164 ;;
165 icc-1[[3-9]].*)
166 AC_MSG_RESULT([ok (ICC version ${gcc_version})])
167 ;;
168 notclang-[[3-9]]|notclang-[[3-9]].*|notclang-[[1-9][0-9]]*)
169 AC_MSG_RESULT([ok (${gcc_version})])
170 ;;
171 clang-2.9|clang-[[3-9]].*|clang-[[1-9][0-9]]*)
172 AC_MSG_RESULT([ok (clang-${gcc_version})])
173 ;;
174 *)
175 AC_MSG_RESULT([no (${is_clang}-${gcc_version})])
176 AC_MSG_ERROR([please use gcc >= 3.0 or clang >= 2.9 or icc >= 13.0 or Apple LLVM >= 5.1])
177 ;;
178 esac
180 #----------------------------------------------------------------------------
181 # Arch/OS/platform tests.
182 #----------------------------------------------------------------------------
183 # We create a number of arch/OS/platform-related variables. We prefix them
184 # all with "VGCONF_" which indicates that they are defined at
185 # configure-time, and distinguishes them from the VGA_*/VGO_*/VGP_*
186 # variables used when compiling C files.
188 AC_CANONICAL_HOST
190 AC_MSG_CHECKING([for a supported CPU])
192 # ARCH_MAX reflects the most that this CPU can do: for example if it
193 # is a 64-bit capable PowerPC, then it must be set to ppc64 and not ppc32.
194 # Ditto for amd64. It is used for more configuration below, but is not used
195 # outside this file.
196 #
197 # Power PC returns powerpc for Big Endian. This was not changed when Little
198 # Endian support was added to the 64-bit architecture. The 64-bit Little
199 # Endian systems explicitly state le in the host_cpu. For clarity in the
200 # Valgrind code, the ARCH_MAX name will state LE or BE for the endianness of
201 # the 64-bit system. Big Endian is the only mode supported on 32-bit Power PC.
202 # The abreviation PPC or ppc refers to 32-bit and 64-bit systems with either
203 # Endianness. The name PPC64 or ppc64 to 64-bit systems of either Endianness.
204 # The names ppc64be or PPC64BE refer to only 64-bit systems that are Big
205 # Endian. Similarly, ppc64le or PPC64LE refer to only 64-bit systems that are
206 # Little Endian.
208 case "${host_cpu}" in
209 i?86)
210 AC_MSG_RESULT([ok (${host_cpu})])
211 ARCH_MAX="x86"
212 ;;
214 x86_64)
215 AC_MSG_RESULT([ok (${host_cpu})])
216 ARCH_MAX="amd64"
217 ;;
219 powerpc64)
220 # this only referrs to 64-bit Big Endian
221 AC_MSG_RESULT([ok (${host_cpu})])
222 ARCH_MAX="ppc64be"
223 ;;
225 powerpc64le)
226 # this only referrs to 64-bit Little Endian
227 AC_MSG_RESULT([ok (${host_cpu})])
228 ARCH_MAX="ppc64le"
229 ;;
231 powerpc)
232 # On Linux this means only a 32-bit capable CPU.
233 AC_MSG_RESULT([ok (${host_cpu})])
234 ARCH_MAX="ppc32"
235 ;;
237 s390x)
238 AC_MSG_RESULT([ok (${host_cpu})])
239 ARCH_MAX="s390x"
240 ;;
242 armv7*)
243 AC_MSG_RESULT([ok (${host_cpu})])
244 ARCH_MAX="arm"
245 ;;
247 aarch64*)
248 AC_MSG_RESULT([ok (${host_cpu})])
249 ARCH_MAX="arm64"
250 ;;
252 mips)
253 AC_MSG_RESULT([ok (${host_cpu})])
254 ARCH_MAX="mips32"
255 ;;
257 mipsel)
258 AC_MSG_RESULT([ok (${host_cpu})])
259 ARCH_MAX="mips32"
260 ;;
262 mipsisa32r2)
263 AC_MSG_RESULT([ok (${host_cpu})])
264 ARCH_MAX="mips32"
265 ;;
267 mips64*)
268 AC_MSG_RESULT([ok (${host_cpu})])
269 ARCH_MAX="mips64"
270 ;;
272 mipsisa64*)
273 AC_MSG_RESULT([ok (${host_cpu})])
274 ARCH_MAX="mips64"
275 ;;
277 *)
278 AC_MSG_RESULT([no (${host_cpu})])
279 AC_MSG_ERROR([Unsupported host architecture. Sorry])
280 ;;
281 esac
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
291 # used. --njn]
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])])
307 # Stay sane
308 if test x$vg_cv_only64bit = xyes -a x$vg_cv_only32bit = xyes; then
309 AC_MSG_ERROR(
310 [Nonsensical: both --enable-only64bit and --enable-only32bit.])
311 fi
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)_$(VGCONF_OS).
318 AC_MSG_CHECKING([for a supported OS])
319 AC_SUBST(VGCONF_OS)
321 DEFAULT_SUPP=""
323 case "${host_os}" in
324 *linux*)
325 AC_MSG_RESULT([ok (${host_os})])
326 VGCONF_OS="linux"
328 # Ok, this is linux. Check the kernel version
329 AC_MSG_CHECKING([for the kernel version])
331 kernel=`uname -r`
333 case "${kernel}" in
334 0.*|1.*|2.0.*|2.1.*|2.2.*|2.3.*|2.4.*|2.5.*)
335 AC_MSG_RESULT([unsupported (${kernel})])
336 AC_MSG_ERROR([Valgrind needs a Linux kernel >= 2.6])
337 ;;
339 *)
340 AC_MSG_RESULT([2.6 or later (${kernel})])
341 ;;
342 esac
344 ;;
346 *darwin*)
347 AC_MSG_RESULT([ok (${host_os})])
348 VGCONF_OS="darwin"
349 AC_DEFINE([DARWIN_10_5], 100500, [DARWIN_VERS value for Mac OS X 10.5])
350 AC_DEFINE([DARWIN_10_6], 100600, [DARWIN_VERS value for Mac OS X 10.6])
351 AC_DEFINE([DARWIN_10_7], 100700, [DARWIN_VERS value for Mac OS X 10.7])
352 AC_DEFINE([DARWIN_10_8], 100800, [DARWIN_VERS value for Mac OS X 10.8])
353 AC_DEFINE([DARWIN_10_9], 100900, [DARWIN_VERS value for Mac OS X 10.9])
354 AC_DEFINE([DARWIN_10_10], 101000, [DARWIN_VERS value for Mac OS X 10.10])
355 AC_DEFINE([DARWIN_10_11], 101100, [DARWIN_VERS value for Mac OS X 10.11])
356 AC_DEFINE([DARWIN_10_12], 101200, [DARWIN_VERS value for macOS 10.12])
357 AC_DEFINE([DARWIN_10_13], 101300, [DARWIN_VERS value for macOS 10.13])
359 AC_MSG_CHECKING([for the kernel version])
360 kernel=`uname -r`
362 # Nb: for Darwin we set DEFAULT_SUPP here. That's because Darwin
363 # has only one relevant version, the OS version. The `uname` check
364 # is a good way to get that version (i.e. "Darwin 9.6.0" is Mac OS
365 # X 10.5.6, and "Darwin 10.x" is Mac OS X 10.6.x Snow Leopard,
366 # and possibly "Darwin 11.x" is Mac OS X 10.7.x Lion),
367 # and we don't know of an macros similar to __GLIBC__ to get that info.
368 #
369 # XXX: `uname -r` won't do the right thing for cross-compiles, but
370 # that's not a problem yet.
371 #
372 # jseward 21 Sept 2011: I seriously doubt whether V 3.7.0 will work
373 # on OS X 10.5.x; I haven't tested yet, and only plan to test 3.7.0
374 # on 10.6.8 and 10.7.1. Although tempted to delete the configure
375 # time support for 10.5 (the 9.* pattern just below), I'll leave it
376 # in for now, just in case anybody wants to give it a try. But I'm
377 # assuming that 3.7.0 is a Snow Leopard and Lion-only release.
378 case "${kernel}" in
379 9.*)
380 AC_MSG_RESULT([Darwin 9.x (${kernel}) / Mac OS X 10.5 Leopard])
381 AC_DEFINE([DARWIN_VERS], DARWIN_10_5, [Darwin / Mac OS X version])
382 DEFAULT_SUPP="darwin9.supp ${DEFAULT_SUPP}"
383 DEFAULT_SUPP="darwin9-drd.supp ${DEFAULT_SUPP}"
384 ;;
385 10.*)
386 AC_MSG_RESULT([Darwin 10.x (${kernel}) / Mac OS X 10.6 Snow Leopard])
387 AC_DEFINE([DARWIN_VERS], DARWIN_10_6, [Darwin / Mac OS X version])
388 DEFAULT_SUPP="darwin10.supp ${DEFAULT_SUPP}"
389 DEFAULT_SUPP="darwin10-drd.supp ${DEFAULT_SUPP}"
390 ;;
391 11.*)
392 AC_MSG_RESULT([Darwin 11.x (${kernel}) / Mac OS X 10.7 Lion])
393 AC_DEFINE([DARWIN_VERS], DARWIN_10_7, [Darwin / Mac OS X version])
394 DEFAULT_SUPP="darwin11.supp ${DEFAULT_SUPP}"
395 DEFAULT_SUPP="darwin10-drd.supp ${DEFAULT_SUPP}"
396 ;;
397 12.*)
398 AC_MSG_RESULT([Darwin 12.x (${kernel}) / Mac OS X 10.8 Mountain Lion])
399 AC_DEFINE([DARWIN_VERS], DARWIN_10_8, [Darwin / Mac OS X version])
400 DEFAULT_SUPP="darwin12.supp ${DEFAULT_SUPP}"
401 DEFAULT_SUPP="darwin10-drd.supp ${DEFAULT_SUPP}"
402 ;;
403 13.*)
404 AC_MSG_RESULT([Darwin 13.x (${kernel}) / Mac OS X 10.9 Mavericks])
405 AC_DEFINE([DARWIN_VERS], DARWIN_10_9, [Darwin / Mac OS X version])
406 DEFAULT_SUPP="darwin13.supp ${DEFAULT_SUPP}"
407 DEFAULT_SUPP="darwin10-drd.supp ${DEFAULT_SUPP}"
408 ;;
409 14.*)
410 AC_MSG_RESULT([Darwin 14.x (${kernel}) / Mac OS X 10.10 Yosemite])
411 AC_DEFINE([DARWIN_VERS], DARWIN_10_10, [Darwin / Mac OS X version])
412 DEFAULT_SUPP="darwin14.supp ${DEFAULT_SUPP}"
413 DEFAULT_SUPP="darwin10-drd.supp ${DEFAULT_SUPP}"
414 ;;
415 15.*)
416 AC_MSG_RESULT([Darwin 15.x (${kernel}) / Mac OS X 10.11 El Capitan])
417 AC_DEFINE([DARWIN_VERS], DARWIN_10_11, [Darwin / Mac OS X version])
418 DEFAULT_SUPP="darwin15.supp ${DEFAULT_SUPP}"
419 DEFAULT_SUPP="darwin10-drd.supp ${DEFAULT_SUPP}"
420 ;;
421 16.*)
422 AC_MSG_RESULT([Darwin 16.x (${kernel}) / macOS 10.12 Sierra])
423 AC_DEFINE([DARWIN_VERS], DARWIN_10_12, [Darwin / Mac OS X version])
424 DEFAULT_SUPP="darwin16.supp ${DEFAULT_SUPP}"
425 DEFAULT_SUPP="darwin10-drd.supp ${DEFAULT_SUPP}"
426 ;;
427 17.*)
428 AC_MSG_RESULT([Darwin 17.x (${kernel}) / macOS 10.13 High Sierra])
429 AC_DEFINE([DARWIN_VERS], DARWIN_10_13, [Darwin / Mac OS X version])
430 DEFAULT_SUPP="darwin17.supp ${DEFAULT_SUPP}"
431 DEFAULT_SUPP="darwin10-drd.supp ${DEFAULT_SUPP}"
432 ;;
433 *)
434 AC_MSG_RESULT([unsupported (${kernel})])
435 AC_MSG_ERROR([Valgrind works on Darwin 10.x, 11.x, 12.x, 13.x, 14.x, 15.x, 16.x and 17.x (Mac OS X 10.6/7/8/9/10/11 and macOS 10.12/13)])
436 ;;
437 esac
438 ;;
440 solaris2.11*)
441 AC_MSG_RESULT([ok (${host_os})])
442 VGCONF_OS="solaris"
444 uname_v=$( uname -v )
445 case "$uname_v" in
446 11.4.*)
447 DEFAULT_SUPP="solaris12.supp ${DEFAULT_SUPP}"
448 ;;
449 *)
450 DEFAULT_SUPP="solaris11.supp ${DEFAULT_SUPP}"
451 ;;
452 esac
453 ;;
455 solaris2.12*)
456 AC_MSG_RESULT([ok (${host_os})])
457 VGCONF_OS="solaris"
458 DEFAULT_SUPP="solaris12.supp ${DEFAULT_SUPP}"
459 ;;
461 *)
462 AC_MSG_RESULT([no (${host_os})])
463 AC_MSG_ERROR([Valgrind is operating system specific. Sorry.])
464 ;;
465 esac
467 #----------------------------------------------------------------------------
469 # If we are building on a 64 bit platform test to see if the system
470 # supports building 32 bit programs and disable 32 bit support if it
471 # does not support building 32 bit programs
473 case "$ARCH_MAX-$VGCONF_OS" in
474 amd64-linux|ppc64be-linux|arm64-linux|amd64-solaris)
475 AC_MSG_CHECKING([for 32 bit build support])
476 safe_CFLAGS=$CFLAGS
477 CFLAGS="-m32"
478 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
479 return 0;
480 ]])], [
481 AC_MSG_RESULT([yes])
482 ], [
483 vg_cv_only64bit="yes"
484 AC_MSG_RESULT([no])
485 ])
486 CFLAGS=$safe_CFLAGS;;
487 mips64-linux)
488 AC_MSG_CHECKING([for 32 bit build support])
489 safe_CFLAGS=$CFLAGS
490 CFLAGS="$CFLAGS -mips32 -mabi=32"
491 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
492 #include <sys/prctl.h>
493 ]], [[]])], [
494 AC_MSG_RESULT([yes])
495 ], [
496 vg_cv_only64bit="yes"
497 AC_MSG_RESULT([no])
498 ])
499 CFLAGS=$safe_CFLAGS;;
500 esac
502 if test x$vg_cv_only64bit = xyes -a x$vg_cv_only32bit = xyes; then
503 AC_MSG_ERROR(
504 [--enable-only32bit was specified but system does not support 32 bit builds])
505 fi
507 #----------------------------------------------------------------------------
509 # VGCONF_ARCH_PRI is the arch for the primary build target, eg. "amd64". By
510 # default it's the same as ARCH_MAX. But if, say, we do a build on an amd64
511 # machine, but --enable-only32bit has been requested, then ARCH_MAX (see
512 # above) will be "amd64" since that reflects the most that this cpu can do,
513 # but VGCONF_ARCH_PRI will be downgraded to "x86", since that reflects the
514 # arch corresponding to the primary build (VGCONF_PLATFORM_PRI_CAPS). It is
515 # passed in to compilation of many C files via -VGA_$(VGCONF_ARCH_PRI) and
516 # -VGP_$(VGCONF_ARCH_PRI)_$(VGCONF_OS).
517 AC_SUBST(VGCONF_ARCH_PRI)
519 # VGCONF_ARCH_SEC is the arch for the secondary build target, eg. "x86".
520 # It is passed in to compilation of many C files via -VGA_$(VGCONF_ARCH_SEC)
521 # and -VGP_$(VGCONF_ARCH_SEC)_$(VGCONF_OS), if there is a secondary target.
522 # It is empty if there is no secondary target.
523 AC_SUBST(VGCONF_ARCH_SEC)
525 # VGCONF_PLATFORM_PRI_CAPS is the primary build target, eg. "AMD64_LINUX".
526 # The entire system, including regression and performance tests, will be
527 # built for this target. The "_CAPS" indicates that the name is in capital
528 # letters, and it also uses '_' rather than '-' as a separator, because it's
529 # used to create various Makefile variables, which are all in caps by
530 # convention and cannot contain '-' characters. This is in contrast to
531 # VGCONF_ARCH_PRI and VGCONF_OS which are not in caps.
532 AC_SUBST(VGCONF_PLATFORM_PRI_CAPS)
534 # VGCONF_PLATFORM_SEC_CAPS is the secondary build target, if there is one.
535 # Valgrind and tools will also be built for this target, but not the
536 # regression or performance tests.
537 #
538 # By default, the primary arch is the same as the "max" arch, as commented
539 # above (at the definition of ARCH_MAX). We may choose to downgrade it in
540 # the big case statement just below here, in the case where we're building
541 # on a 64 bit machine but have been requested only to do a 32 bit build.
542 AC_SUBST(VGCONF_PLATFORM_SEC_CAPS)
544 AC_MSG_CHECKING([for a supported CPU/OS combination])
546 # NB. The load address for a given platform may be specified in more
547 # than one place, in some cases, depending on whether we're doing a biarch,
548 # 32-bit only or 64-bit only build. eg see case for amd64-linux below.
549 # Be careful to give consistent values in all subcases. Also, all four
550 # valt_load_addres_{pri,sec}_{norml,inner} values must always be set,
551 # even if it is to "0xUNSET".
552 #
553 case "$ARCH_MAX-$VGCONF_OS" in
554 x86-linux)
555 VGCONF_ARCH_PRI="x86"
556 VGCONF_ARCH_SEC=""
557 VGCONF_PLATFORM_PRI_CAPS="X86_LINUX"
558 VGCONF_PLATFORM_SEC_CAPS=""
559 valt_load_address_pri_norml="0x58000000"
560 valt_load_address_pri_inner="0x38000000"
561 valt_load_address_sec_norml="0xUNSET"
562 valt_load_address_sec_inner="0xUNSET"
563 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
564 ;;
565 amd64-linux)
566 valt_load_address_sec_norml="0xUNSET"
567 valt_load_address_sec_inner="0xUNSET"
568 if test x$vg_cv_only64bit = xyes; then
569 VGCONF_ARCH_PRI="amd64"
570 VGCONF_ARCH_SEC=""
571 VGCONF_PLATFORM_PRI_CAPS="AMD64_LINUX"
572 VGCONF_PLATFORM_SEC_CAPS=""
573 valt_load_address_pri_norml="0x58000000"
574 valt_load_address_pri_inner="0x38000000"
575 elif test x$vg_cv_only32bit = xyes; then
576 VGCONF_ARCH_PRI="x86"
577 VGCONF_ARCH_SEC=""
578 VGCONF_PLATFORM_PRI_CAPS="X86_LINUX"
579 VGCONF_PLATFORM_SEC_CAPS=""
580 valt_load_address_pri_norml="0x58000000"
581 valt_load_address_pri_inner="0x38000000"
582 else
583 VGCONF_ARCH_PRI="amd64"
584 VGCONF_ARCH_SEC="x86"
585 VGCONF_PLATFORM_PRI_CAPS="AMD64_LINUX"
586 VGCONF_PLATFORM_SEC_CAPS="X86_LINUX"
587 valt_load_address_pri_norml="0x58000000"
588 valt_load_address_pri_inner="0x38000000"
589 valt_load_address_sec_norml="0x58000000"
590 valt_load_address_sec_inner="0x38000000"
591 fi
592 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
593 ;;
594 ppc32-linux)
595 VGCONF_ARCH_PRI="ppc32"
596 VGCONF_ARCH_SEC=""
597 VGCONF_PLATFORM_PRI_CAPS="PPC32_LINUX"
598 VGCONF_PLATFORM_SEC_CAPS=""
599 valt_load_address_pri_norml="0x58000000"
600 valt_load_address_pri_inner="0x38000000"
601 valt_load_address_sec_norml="0xUNSET"
602 valt_load_address_sec_inner="0xUNSET"
603 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
604 ;;
605 ppc64be-linux)
606 valt_load_address_sec_norml="0xUNSET"
607 valt_load_address_sec_inner="0xUNSET"
608 if test x$vg_cv_only64bit = xyes; then
609 VGCONF_ARCH_PRI="ppc64be"
610 VGCONF_ARCH_SEC=""
611 VGCONF_PLATFORM_PRI_CAPS="PPC64BE_LINUX"
612 VGCONF_PLATFORM_SEC_CAPS=""
613 valt_load_address_pri_norml="0x58000000"
614 valt_load_address_pri_inner="0x38000000"
615 elif test x$vg_cv_only32bit = xyes; then
616 VGCONF_ARCH_PRI="ppc32"
617 VGCONF_ARCH_SEC=""
618 VGCONF_PLATFORM_PRI_CAPS="PPC32_LINUX"
619 VGCONF_PLATFORM_SEC_CAPS=""
620 valt_load_address_pri_norml="0x58000000"
621 valt_load_address_pri_inner="0x38000000"
622 else
623 VGCONF_ARCH_PRI="ppc64be"
624 VGCONF_ARCH_SEC="ppc32"
625 VGCONF_PLATFORM_PRI_CAPS="PPC64BE_LINUX"
626 VGCONF_PLATFORM_SEC_CAPS="PPC32_LINUX"
627 valt_load_address_pri_norml="0x58000000"
628 valt_load_address_pri_inner="0x38000000"
629 valt_load_address_sec_norml="0x58000000"
630 valt_load_address_sec_inner="0x38000000"
631 fi
632 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
633 ;;
634 ppc64le-linux)
635 # Little Endian is only supported on PPC64
636 valt_load_address_sec_norml="0xUNSET"
637 valt_load_address_sec_inner="0xUNSET"
638 VGCONF_ARCH_PRI="ppc64le"
639 VGCONF_ARCH_SEC=""
640 VGCONF_PLATFORM_PRI_CAPS="PPC64LE_LINUX"
641 VGCONF_PLATFORM_SEC_CAPS=""
642 valt_load_address_pri_norml="0x58000000"
643 valt_load_address_pri_inner="0x38000000"
644 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
645 ;;
646 # Darwin gets identified as 32-bit even when it supports 64-bit.
647 # (Not sure why, possibly because 'uname' returns "i386"?) Just about
648 # all Macs support both 32-bit and 64-bit, so we just build both. If
649 # someone has a really old 32-bit only machine they can (hopefully?)
650 # build with --enable-only32bit. See bug 243362.
651 x86-darwin|amd64-darwin)
652 ARCH_MAX="amd64"
653 valt_load_address_sec_norml="0xUNSET"
654 valt_load_address_sec_inner="0xUNSET"
655 if test x$vg_cv_only64bit = xyes; then
656 VGCONF_ARCH_PRI="amd64"
657 VGCONF_ARCH_SEC=""
658 VGCONF_PLATFORM_PRI_CAPS="AMD64_DARWIN"
659 VGCONF_PLATFORM_SEC_CAPS=""
660 valt_load_address_pri_norml="0x158000000"
661 valt_load_address_pri_inner="0x138000000"
662 elif test x$vg_cv_only32bit = xyes; then
663 VGCONF_ARCH_PRI="x86"
664 VGCONF_ARCH_SEC=""
665 VGCONF_PLATFORM_PRI_CAPS="X86_DARWIN"
666 VGCONF_PLATFORM_SEC_CAPS=""
667 VGCONF_ARCH_PRI_CAPS="x86"
668 valt_load_address_pri_norml="0x58000000"
669 valt_load_address_pri_inner="0x38000000"
670 else
671 VGCONF_ARCH_PRI="amd64"
672 VGCONF_ARCH_SEC="x86"
673 VGCONF_PLATFORM_PRI_CAPS="AMD64_DARWIN"
674 VGCONF_PLATFORM_SEC_CAPS="X86_DARWIN"
675 valt_load_address_pri_norml="0x158000000"
676 valt_load_address_pri_inner="0x138000000"
677 valt_load_address_sec_norml="0x58000000"
678 valt_load_address_sec_inner="0x38000000"
679 fi
680 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
681 ;;
682 arm-linux)
683 VGCONF_ARCH_PRI="arm"
684 VGCONF_PLATFORM_PRI_CAPS="ARM_LINUX"
685 VGCONF_PLATFORM_SEC_CAPS=""
686 valt_load_address_pri_norml="0x58000000"
687 valt_load_address_pri_inner="0x38000000"
688 valt_load_address_sec_norml="0xUNSET"
689 valt_load_address_sec_inner="0xUNSET"
690 AC_MSG_RESULT([ok (${host_cpu}-${host_os})])
691 ;;
692 arm64-linux)
693 valt_load_address_sec_norml="0xUNSET"
694 valt_load_address_sec_inner="0xUNSET"
695 if test x$vg_cv_only64bit = xyes; then
696 VGCONF_ARCH_PRI="arm64"
697 VGCONF_ARCH_SEC=""
698 VGCONF_PLATFORM_PRI_CAPS="ARM64_LINUX"
699 VGCONF_PLATFORM_SEC_CAPS=""
700 valt_load_address_pri_norml="0x58000000"
701 valt_load_address_pri_inner="0x38000000"
702 elif test x$vg_cv_only32bit = xyes; then
703 VGCONF_ARCH_PRI="arm"
704 VGCONF_ARCH_SEC=""
705 VGCONF_PLATFORM_PRI_CAPS="ARM_LINUX"
706 VGCONF_PLATFORM_SEC_CAPS=""
707 valt_load_address_pri_norml="0x58000000"
708 valt_load_address_pri_inner="0x38000000"
709 else
710 VGCONF_ARCH_PRI="arm64"
711 VGCONF_ARCH_SEC="arm"
712 VGCONF_PLATFORM_PRI_CAPS="ARM64_LINUX"
713 VGCONF_PLATFORM_SEC_CAPS="ARM_LINUX"
714 valt_load_address_pri_norml="0x58000000"
715 valt_load_address_pri_inner="0x38000000"
716 valt_load_address_sec_norml="0x58000000"
717 valt_load_address_sec_inner="0x38000000"
718 fi
719 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
720 ;;
721 s390x-linux)
722 VGCONF_ARCH_PRI="s390x"
723 VGCONF_ARCH_SEC=""
724 VGCONF_PLATFORM_PRI_CAPS="S390X_LINUX"
725 VGCONF_PLATFORM_SEC_CAPS=""
726 # To improve branch prediction hit rate we want to have
727 # the generated code close to valgrind (host) code
728 valt_load_address_pri_norml="0x800000000"
729 valt_load_address_pri_inner="0x810000000"
730 valt_load_address_sec_norml="0xUNSET"
731 valt_load_address_sec_inner="0xUNSET"
732 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
733 ;;
734 mips32-linux)
735 VGCONF_ARCH_PRI="mips32"
736 VGCONF_ARCH_SEC=""
737 VGCONF_PLATFORM_PRI_CAPS="MIPS32_LINUX"
738 VGCONF_PLATFORM_SEC_CAPS=""
739 valt_load_address_pri_norml="0x58000000"
740 valt_load_address_pri_inner="0x38000000"
741 valt_load_address_sec_norml="0xUNSET"
742 valt_load_address_sec_inner="0xUNSET"
743 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
744 ;;
745 mips64-linux)
746 valt_load_address_sec_norml="0xUNSET"
747 valt_load_address_sec_inner="0xUNSET"
748 if test x$vg_cv_only64bit = xyes; then
749 VGCONF_ARCH_PRI="mips64"
750 VGCONF_PLATFORM_SEC_CAPS=""
751 VGCONF_PLATFORM_PRI_CAPS="MIPS64_LINUX"
752 VGCONF_PLATFORM_SEC_CAPS=""
753 valt_load_address_pri_norml="0x58000000"
754 valt_load_address_pri_inner="0x38000000"
755 elif test x$vg_cv_only32bit = xyes; then
756 VGCONF_ARCH_PRI="mips32"
757 VGCONF_ARCH_SEC=""
758 VGCONF_PLATFORM_PRI_CAPS="MIPS32_LINUX"
759 VGCONF_PLATFORM_SEC_CAPS=""
760 valt_load_address_pri_norml="0x58000000"
761 valt_load_address_pri_inner="0x38000000"
762 else
763 VGCONF_ARCH_PRI="mips64"
764 VGCONF_ARCH_SEC="mips32"
765 VGCONF_PLATFORM_PRI_CAPS="MIPS64_LINUX"
766 VGCONF_PLATFORM_SEC_CAPS="MIPS32_LINUX"
767 valt_load_address_pri_norml="0x58000000"
768 valt_load_address_pri_inner="0x38000000"
769 valt_load_address_sec_norml="0x58000000"
770 valt_load_address_sec_inner="0x38000000"
771 fi
772 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
773 ;;
774 x86-solaris)
775 VGCONF_ARCH_PRI="x86"
776 VGCONF_ARCH_SEC=""
777 VGCONF_PLATFORM_PRI_CAPS="X86_SOLARIS"
778 VGCONF_PLATFORM_SEC_CAPS=""
779 valt_load_address_pri_norml="0x58000000"
780 valt_load_address_pri_inner="0x38000000"
781 valt_load_address_sec_norml="0xUNSET"
782 valt_load_address_sec_inner="0xUNSET"
783 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
784 ;;
785 amd64-solaris)
786 valt_load_address_sec_norml="0xUNSET"
787 valt_load_address_sec_inner="0xUNSET"
788 if test x$vg_cv_only64bit = xyes; then
789 VGCONF_ARCH_PRI="amd64"
790 VGCONF_ARCH_SEC=""
791 VGCONF_PLATFORM_PRI_CAPS="AMD64_SOLARIS"
792 VGCONF_PLATFORM_SEC_CAPS=""
793 valt_load_address_pri_norml="0x58000000"
794 valt_load_address_pri_inner="0x38000000"
795 elif test x$vg_cv_only32bit = xyes; then
796 VGCONF_ARCH_PRI="x86"
797 VGCONF_ARCH_SEC=""
798 VGCONF_PLATFORM_PRI_CAPS="X86_SOLARIS"
799 VGCONF_PLATFORM_SEC_CAPS=""
800 valt_load_address_pri_norml="0x58000000"
801 valt_load_address_pri_inner="0x38000000"
802 else
803 VGCONF_ARCH_PRI="amd64"
804 VGCONF_ARCH_SEC="x86"
805 VGCONF_PLATFORM_PRI_CAPS="AMD64_SOLARIS"
806 VGCONF_PLATFORM_SEC_CAPS="X86_SOLARIS"
807 valt_load_address_pri_norml="0x58000000"
808 valt_load_address_pri_inner="0x38000000"
809 valt_load_address_sec_norml="0x58000000"
810 valt_load_address_sec_inner="0x38000000"
811 fi
812 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
813 ;;
814 *)
815 VGCONF_ARCH_PRI="unknown"
816 VGCONF_ARCH_SEC="unknown"
817 VGCONF_PLATFORM_PRI_CAPS="UNKNOWN"
818 VGCONF_PLATFORM_SEC_CAPS="UNKNOWN"
819 valt_load_address_pri_norml="0xUNSET"
820 valt_load_address_pri_inner="0xUNSET"
821 valt_load_address_sec_norml="0xUNSET"
822 valt_load_address_sec_inner="0xUNSET"
823 AC_MSG_RESULT([no (${ARCH_MAX}-${VGCONF_OS})])
824 AC_MSG_ERROR([Valgrind is platform specific. Sorry. Please consider doing a port.])
825 ;;
826 esac
828 #----------------------------------------------------------------------------
830 # Set up VGCONF_ARCHS_INCLUDE_<arch>. Either one or two of these become
831 # defined.
832 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_X86,
833 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_LINUX \
834 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_LINUX \
835 -o x$VGCONF_PLATFORM_PRI_CAPS = xX86_DARWIN \
836 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_DARWIN \
837 -o x$VGCONF_PLATFORM_PRI_CAPS = xX86_SOLARIS \
838 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_SOLARIS )
839 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_AMD64,
840 test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_LINUX \
841 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_DARWIN \
842 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_SOLARIS )
843 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_PPC32,
844 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC32_LINUX \
845 -o x$VGCONF_PLATFORM_SEC_CAPS = xPPC32_LINUX )
846 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_PPC64,
847 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC64BE_LINUX \
848 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC64LE_LINUX )
849 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_ARM,
850 test x$VGCONF_PLATFORM_PRI_CAPS = xARM_LINUX \
851 -o x$VGCONF_PLATFORM_SEC_CAPS = xARM_LINUX )
852 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_ARM64,
853 test x$VGCONF_PLATFORM_PRI_CAPS = xARM64_LINUX )
854 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_S390X,
855 test x$VGCONF_PLATFORM_PRI_CAPS = xS390X_LINUX )
856 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_MIPS32,
857 test x$VGCONF_PLATFORM_PRI_CAPS = xMIPS32_LINUX \
858 -o x$VGCONF_PLATFORM_SEC_CAPS = xMIPS32_LINUX )
859 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_MIPS64,
860 test x$VGCONF_PLATFORM_PRI_CAPS = xMIPS64_LINUX )
862 # Set up VGCONF_PLATFORMS_INCLUDE_<platform>. Either one or two of these
863 # become defined.
864 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_X86_LINUX,
865 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_LINUX \
866 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_LINUX)
867 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_AMD64_LINUX,
868 test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_LINUX)
869 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_PPC32_LINUX,
870 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC32_LINUX \
871 -o x$VGCONF_PLATFORM_SEC_CAPS = xPPC32_LINUX)
872 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_PPC64BE_LINUX,
873 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC64BE_LINUX)
874 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_PPC64LE_LINUX,
875 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC64LE_LINUX)
876 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_ARM_LINUX,
877 test x$VGCONF_PLATFORM_PRI_CAPS = xARM_LINUX \
878 -o x$VGCONF_PLATFORM_SEC_CAPS = xARM_LINUX)
879 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_ARM64_LINUX,
880 test x$VGCONF_PLATFORM_PRI_CAPS = xARM64_LINUX)
881 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_S390X_LINUX,
882 test x$VGCONF_PLATFORM_PRI_CAPS = xS390X_LINUX \
883 -o x$VGCONF_PLATFORM_SEC_CAPS = xS390X_LINUX)
884 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_MIPS32_LINUX,
885 test x$VGCONF_PLATFORM_PRI_CAPS = xMIPS32_LINUX \
886 -o x$VGCONF_PLATFORM_SEC_CAPS = xMIPS32_LINUX)
887 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_MIPS64_LINUX,
888 test x$VGCONF_PLATFORM_PRI_CAPS = xMIPS64_LINUX)
889 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_X86_DARWIN,
890 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_DARWIN \
891 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_DARWIN)
892 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_AMD64_DARWIN,
893 test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_DARWIN)
894 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_X86_SOLARIS,
895 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_SOLARIS \
896 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_SOLARIS)
897 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_AMD64_SOLARIS,
898 test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_SOLARIS)
901 # Similarly, set up VGCONF_OS_IS_<os>. Exactly one of these becomes defined.
902 # Relies on the assumption that the primary and secondary targets are
903 # for the same OS, so therefore only necessary to test the primary.
904 AM_CONDITIONAL(VGCONF_OS_IS_LINUX,
905 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_LINUX \
906 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_LINUX \
907 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC32_LINUX \
908 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC64BE_LINUX \
909 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC64LE_LINUX \
910 -o x$VGCONF_PLATFORM_PRI_CAPS = xARM_LINUX \
911 -o x$VGCONF_PLATFORM_PRI_CAPS = xARM64_LINUX \
912 -o x$VGCONF_PLATFORM_PRI_CAPS = xS390X_LINUX \
913 -o x$VGCONF_PLATFORM_PRI_CAPS = xMIPS32_LINUX \
914 -o x$VGCONF_PLATFORM_PRI_CAPS = xMIPS64_LINUX)
915 AM_CONDITIONAL(VGCONF_OS_IS_DARWIN,
916 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_DARWIN \
917 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_DARWIN)
918 AM_CONDITIONAL(VGCONF_OS_IS_SOLARIS,
919 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_SOLARIS \
920 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_SOLARIS)
923 # Sometimes, in the Makefile.am files, it's useful to know whether or not
924 # there is a secondary target.
925 AM_CONDITIONAL(VGCONF_HAVE_PLATFORM_SEC,
926 test x$VGCONF_PLATFORM_SEC_CAPS != x)
928 dnl automake-1.10 does not have AM_COND_IF (added in 1.11), so we supply a
929 dnl fallback definition
930 dnl The macro is courtesy of Dave Hart:
931 dnl https://lists.gnu.org/archive/html/automake/2010-12/msg00045.html
932 m4_ifndef([AM_COND_IF], [AC_DEFUN([AM_COND_IF], [
933 if test -z "$$1_TRUE"; then :
934 m4_n([$2])[]dnl
935 m4_ifval([$3],
936 [else
937 $3
938 ])dnl
939 fi[]dnl
940 ])])
942 #----------------------------------------------------------------------------
943 # Inner Valgrind?
944 #----------------------------------------------------------------------------
946 # Check if this should be built as an inner Valgrind, to be run within
947 # another Valgrind. Choose the load address accordingly.
948 AC_SUBST(VALT_LOAD_ADDRESS_PRI)
949 AC_SUBST(VALT_LOAD_ADDRESS_SEC)
950 AC_CACHE_CHECK([for use as an inner Valgrind], vg_cv_inner,
951 [AC_ARG_ENABLE(inner,
952 [ --enable-inner enables self-hosting],
953 [vg_cv_inner=$enableval],
954 [vg_cv_inner=no])])
955 if test "$vg_cv_inner" = yes; then
956 AC_DEFINE([ENABLE_INNER], 1, [configured to run as an inner Valgrind])
957 VALT_LOAD_ADDRESS_PRI=$valt_load_address_pri_inner
958 VALT_LOAD_ADDRESS_SEC=$valt_load_address_sec_inner
959 else
960 VALT_LOAD_ADDRESS_PRI=$valt_load_address_pri_norml
961 VALT_LOAD_ADDRESS_SEC=$valt_load_address_sec_norml
962 fi
964 #----------------------------------------------------------------------------
965 # Undefined behaviour sanitiser
966 #----------------------------------------------------------------------------
967 # Check whether we should build with the undefined beahviour sanitiser.
969 AC_CACHE_CHECK([for using the undefined behaviour sanitiser], vg_cv_ubsan,
970 [AC_ARG_ENABLE(ubsan,
971 [ --enable-ubsan enables the undefined behaviour sanitiser],
972 [vg_cv_ubsan=$enableval],
973 [vg_cv_ubsan=no])])
975 #----------------------------------------------------------------------------
976 # Extra fine-tuning of installation directories
977 #----------------------------------------------------------------------------
978 AC_ARG_WITH(tmpdir,
979 [ --with-tmpdir=PATH Specify path for temporary files],
980 tmpdir="$withval",
981 tmpdir="/tmp")
982 AC_DEFINE_UNQUOTED(VG_TMPDIR, "$tmpdir", [Temporary files directory])
983 AC_SUBST(VG_TMPDIR, [$tmpdir])
986 #----------------------------------------------------------------------------
987 # Libc and suppressions
988 #----------------------------------------------------------------------------
989 # This variable will collect the suppression files to be used.
990 AC_SUBST(DEFAULT_SUPP)
992 AC_CHECK_HEADER([features.h])
994 if test x$ac_cv_header_features_h = xyes; then
995 rm -f conftest.$ac_ext
996 cat <<_ACEOF >conftest.$ac_ext
997 #include <features.h>
998 #if defined(__GNU_LIBRARY__) && defined(__GLIBC__) && defined(__GLIBC_MINOR__)
999 glibc version is: __GLIBC__ __GLIBC_MINOR__
1000 #endif
1001 _ACEOF
1002 GLIBC_VERSION="`$CPP -P conftest.$ac_ext | $SED -n 's/^glibc version is: //p' | $SED 's/ /./g'`"
1003 fi
1005 # not really a version check
1006 AC_EGREP_CPP([DARWIN_LIBC], [
1007 #include <sys/cdefs.h>
1008 #if defined(__DARWIN_VERS_1050)
1009 DARWIN_LIBC
1010 #endif
1011 ],
1012 GLIBC_VERSION="darwin")
1014 # not really a version check
1015 AC_EGREP_CPP([BIONIC_LIBC], [
1016 #if defined(__ANDROID__)
1017 BIONIC_LIBC
1018 #endif
1019 ],
1020 GLIBC_VERSION="bionic")
1022 # there is only one version of libc on Solaris
1023 if test x$VGCONF_PLATFORM_PRI_CAPS = xX86_SOLARIS \
1024 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_SOLARIS; then
1025 GLIBC_VERSION="solaris"
1026 fi
1028 # GLIBC_VERSION is empty if a musl libc is used, so use the toolchain tuple
1029 # in this case.
1030 if test x$GLIBC_VERSION = x; then
1031 if $CC -dumpmachine | grep -q musl; then
1032 GLIBC_VERSION=musl
1033 fi
1034 fi
1036 AC_MSG_CHECKING([the glibc version])
1038 case "${GLIBC_VERSION}" in
1039 2.2)
1040 AC_MSG_RESULT(${GLIBC_VERSION} family)
1041 DEFAULT_SUPP="glibc-2.2.supp ${DEFAULT_SUPP}"
1042 DEFAULT_SUPP="glibc-2.2-LinuxThreads-helgrind.supp ${DEFAULT_SUPP}"
1043 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
1044 ;;
1045 2.[[3-6]])
1046 AC_MSG_RESULT(${GLIBC_VERSION} family)
1047 DEFAULT_SUPP="glibc-${GLIBC_VERSION}.supp ${DEFAULT_SUPP}"
1048 DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
1049 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
1050 ;;
1051 2.[[7-9]])
1052 AC_MSG_RESULT(${GLIBC_VERSION} family)
1053 DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}"
1054 DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
1055 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
1056 ;;
1057 2.10|2.11)
1058 AC_MSG_RESULT(${GLIBC_VERSION} family)
1059 AC_DEFINE([GLIBC_MANDATORY_STRLEN_REDIRECT], 1,
1060 [Define to 1 if strlen() has been optimized heavily (amd64 glibc >= 2.10)])
1061 DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}"
1062 DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
1063 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
1064 ;;
1065 2.*)
1066 AC_MSG_RESULT(${GLIBC_VERSION} family)
1067 AC_DEFINE([GLIBC_MANDATORY_STRLEN_REDIRECT], 1,
1068 [Define to 1 if strlen() has been optimized heavily (amd64 glibc >= 2.10)])
1069 AC_DEFINE([GLIBC_MANDATORY_INDEX_AND_STRLEN_REDIRECT], 1,
1070 [Define to 1 if index() and strlen() have been optimized heavily (x86 glibc >= 2.12)])
1071 DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}"
1072 DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
1073 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
1074 ;;
1075 darwin)
1076 AC_MSG_RESULT(Darwin)
1077 AC_DEFINE([DARWIN_LIBC], 1, [Define to 1 if you're using Darwin])
1078 # DEFAULT_SUPP set by kernel version check above.
1079 ;;
1080 bionic)
1081 AC_MSG_RESULT(Bionic)
1082 AC_DEFINE([BIONIC_LIBC], 1, [Define to 1 if you're using Bionic])
1083 DEFAULT_SUPP="bionic.supp ${DEFAULT_SUPP}"
1084 ;;
1085 solaris)
1086 AC_MSG_RESULT(Solaris)
1087 # DEFAULT_SUPP set in host_os switch-case above.
1088 # No other suppression file is used.
1089 ;;
1090 musl)
1091 AC_MSG_RESULT(Musl)
1092 AC_DEFINE([MUSL_LIBC], 1, [Define to 1 if you're using Musl libc])
1093 # no DEFAULT_SUPP file yet for musl libc.
1094 ;;
1095 2.0|2.1|*)
1096 AC_MSG_RESULT([unsupported version ${GLIBC_VERSION}])
1097 AC_MSG_ERROR([Valgrind requires glibc version 2.2 or later, uClibc,])
1098 AC_MSG_ERROR([musl libc, Darwin libc, Bionic libc or Solaris libc])
1099 ;;
1100 esac
1102 AC_SUBST(GLIBC_VERSION)
1105 if test "$VGCONF_OS" != "solaris"; then
1106 # Add default suppressions for the X client libraries. Make no
1107 # attempt to detect whether such libraries are installed on the
1108 # build machine (or even if any X facilities are present); just
1109 # add the suppressions antidisirregardless.
1110 DEFAULT_SUPP="xfree-4.supp ${DEFAULT_SUPP}"
1111 DEFAULT_SUPP="xfree-3.supp ${DEFAULT_SUPP}"
1113 # Add glibc and X11 suppressions for exp-sgcheck
1114 DEFAULT_SUPP="exp-sgcheck.supp ${DEFAULT_SUPP}"
1115 fi
1118 #----------------------------------------------------------------------------
1119 # Platform variants?
1120 #----------------------------------------------------------------------------
1122 # Normally the PLAT = (ARCH, OS) characterisation of the platform is enough.
1123 # But there are times where we need a bit more control. The motivating
1124 # and currently only case is Android: this is almost identical to
1125 # {x86,arm,mips}-linux, but not quite. So this introduces the concept of
1126 # platform variant tags, which get passed in the compile as
1127 # -DVGPV_<arch>_<os>_<variant> along with the main -DVGP_<arch>_<os> definition.
1128 #
1129 # In almost all cases, the <variant> bit is "vanilla". But for Android
1130 # it is "android" instead.
1131 #
1132 # Consequently (eg), plain arm-linux would build with
1133 #
1134 # -DVGP_arm_linux -DVGPV_arm_linux_vanilla
1135 #
1136 # whilst an Android build would have
1137 #
1138 # -DVGP_arm_linux -DVGPV_arm_linux_android
1139 #
1140 # Same for x86. The setup of the platform variant is pushed relatively far
1141 # down this file in order that we can inspect any of the variables set above.
1143 # In the normal case ..
1144 VGCONF_PLATVARIANT="vanilla"
1146 # Android ?
1147 if test "$GLIBC_VERSION" = "bionic";
1148 then
1149 VGCONF_PLATVARIANT="android"
1150 fi
1152 AC_SUBST(VGCONF_PLATVARIANT)
1155 # FIXME: do we also want to define automake variables
1156 # VGCONF_PLATVARIANT_IS_<WHATEVER>, where WHATEVER is (currently)
1157 # VANILLA or ANDROID ? This would be in the style of VGCONF_ARCHS_INCLUDE,
1158 # VGCONF_PLATFORMS_INCLUDE and VGCONF_OS_IS above? Could easily enough
1159 # do that. Problem is that we can't do and-ing in Makefile.am's, but
1160 # that's what we'd need to do to use this, since what we'd want to write
1161 # is something like
1162 #
1163 # VGCONF_PLATFORMS_INCLUDE_ARM_LINUX && VGCONF_PLATVARIANT_IS_ANDROID
1164 #
1165 # Hmm. Can't think of a nice clean solution to this.
1167 AM_CONDITIONAL(VGCONF_PLATVARIANT_IS_VANILLA,
1168 test x$VGCONF_PLATVARIANT = xvanilla)
1169 AM_CONDITIONAL(VGCONF_PLATVARIANT_IS_ANDROID,
1170 test x$VGCONF_PLATVARIANT = xandroid)
1173 #----------------------------------------------------------------------------
1174 # Checking for various library functions and other definitions
1175 #----------------------------------------------------------------------------
1177 # Check for AT_FDCWD
1179 AC_MSG_CHECKING([for AT_FDCWD])
1180 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1181 #define _GNU_SOURCE
1182 #include <fcntl.h>
1183 #include <unistd.h>
1184 ]], [[
1185 int a = AT_FDCWD;
1186 ]])], [
1187 ac_have_at_fdcwd=yes
1188 AC_MSG_RESULT([yes])
1189 ], [
1190 ac_have_at_fdcwd=no
1191 AC_MSG_RESULT([no])
1192 ])
1194 AM_CONDITIONAL([HAVE_AT_FDCWD], [test x$ac_have_at_fdcwd = xyes])
1196 # Check for stpncpy function definition in string.h
1197 # This explicitly checks with _GNU_SOURCE defined since that is also
1198 # used in the test case (some systems might define it without anyway
1199 # since stpncpy is part of The Open Group Base Specifications Issue 7
1200 # IEEE Std 1003.1-2008.
1201 AC_MSG_CHECKING([for stpncpy])
1202 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1203 #define _GNU_SOURCE
1204 #include <string.h>
1205 ]], [[
1206 char *d;
1207 char *s;
1208 size_t n = 0;
1209 char *r = stpncpy(d, s, n);
1210 ]])], [
1211 ac_have_gnu_stpncpy=yes
1212 AC_MSG_RESULT([yes])
1213 ], [
1214 ac_have_gnu_stpncpy=no
1215 AC_MSG_RESULT([no])
1216 ])
1218 AM_CONDITIONAL([HAVE_GNU_STPNCPY], [test x$ac_have_gnu_stpncpy = xyes])
1220 # Check for PTRACE_GETREGS
1222 AC_MSG_CHECKING([for PTRACE_GETREGS])
1223 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1224 #include <stdlib.h>
1225 #include <stddef.h>
1226 #include <sys/ptrace.h>
1227 #include <sys/user.h>
1228 ]], [[
1229 void *p;
1230 long res = ptrace (PTRACE_GETREGS, 0, p, p);
1231 ]])], [
1232 AC_MSG_RESULT([yes])
1233 AC_DEFINE([HAVE_PTRACE_GETREGS], 1,
1234 [Define to 1 if you have the `PTRACE_GETREGS' ptrace request.])
1235 ], [
1236 AC_MSG_RESULT([no])
1237 ])
1240 # Check for CLOCK_MONOTONIC
1242 AC_MSG_CHECKING([for CLOCK_MONOTONIC])
1244 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1245 #include <time.h>
1246 ]], [[
1247 struct timespec t;
1248 clock_gettime(CLOCK_MONOTONIC, &t);
1249 return 0;
1250 ]])], [
1251 AC_MSG_RESULT([yes])
1252 AC_DEFINE([HAVE_CLOCK_MONOTONIC], 1,
1253 [Define to 1 if you have the `CLOCK_MONOTONIC' constant.])
1254 ], [
1255 AC_MSG_RESULT([no])
1256 ])
1259 # Check for ELF32/64_CHDR
1261 AC_CHECK_TYPES([Elf32_Chdr, Elf64_Chdr], [], [], [[#include <elf.h>]])
1264 # Check for PTHREAD_RWLOCK_T
1266 AC_MSG_CHECKING([for pthread_rwlock_t])
1268 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1269 #define _GNU_SOURCE
1270 #include <pthread.h>
1271 ]], [[
1272 pthread_rwlock_t rwl;
1273 ]])], [
1274 AC_MSG_RESULT([yes])
1275 AC_DEFINE([HAVE_PTHREAD_RWLOCK_T], 1,
1276 [Define to 1 if you have the `pthread_rwlock_t' type.])
1277 ], [
1278 AC_MSG_RESULT([no])
1279 ])
1282 # Check for PTHREAD_MUTEX_ADAPTIVE_NP
1284 AC_MSG_CHECKING([for PTHREAD_MUTEX_ADAPTIVE_NP])
1286 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1287 #define _GNU_SOURCE
1288 #include <pthread.h>
1289 ]], [[
1290 return (PTHREAD_MUTEX_ADAPTIVE_NP);
1291 ]])], [
1292 AC_MSG_RESULT([yes])
1293 AC_DEFINE([HAVE_PTHREAD_MUTEX_ADAPTIVE_NP], 1,
1294 [Define to 1 if you have the `PTHREAD_MUTEX_ADAPTIVE_NP' constant.])
1295 ], [
1296 AC_MSG_RESULT([no])
1297 ])
1300 # Check for PTHREAD_MUTEX_ERRORCHECK_NP
1302 AC_MSG_CHECKING([for PTHREAD_MUTEX_ERRORCHECK_NP])
1304 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1305 #define _GNU_SOURCE
1306 #include <pthread.h>
1307 ]], [[
1308 return (PTHREAD_MUTEX_ERRORCHECK_NP);
1309 ]])], [
1310 AC_MSG_RESULT([yes])
1311 AC_DEFINE([HAVE_PTHREAD_MUTEX_ERRORCHECK_NP], 1,
1312 [Define to 1 if you have the `PTHREAD_MUTEX_ERRORCHECK_NP' constant.])
1313 ], [
1314 AC_MSG_RESULT([no])
1315 ])
1318 # Check for PTHREAD_MUTEX_RECURSIVE_NP
1320 AC_MSG_CHECKING([for PTHREAD_MUTEX_RECURSIVE_NP])
1322 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1323 #define _GNU_SOURCE
1324 #include <pthread.h>
1325 ]], [[
1326 return (PTHREAD_MUTEX_RECURSIVE_NP);
1327 ]])], [
1328 AC_MSG_RESULT([yes])
1329 AC_DEFINE([HAVE_PTHREAD_MUTEX_RECURSIVE_NP], 1,
1330 [Define to 1 if you have the `PTHREAD_MUTEX_RECURSIVE_NP' constant.])
1331 ], [
1332 AC_MSG_RESULT([no])
1333 ])
1336 # Check for PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP
1338 AC_MSG_CHECKING([for PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP])
1340 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1341 #define _GNU_SOURCE
1342 #include <pthread.h>
1343 ]], [[
1344 pthread_mutex_t m = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
1345 return 0;
1346 ]])], [
1347 AC_MSG_RESULT([yes])
1348 AC_DEFINE([HAVE_PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP], 1,
1349 [Define to 1 if you have the `PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP' constant.])
1350 ], [
1351 AC_MSG_RESULT([no])
1352 ])
1355 # Check whether pthread_mutex_t has a member called __m_kind.
1357 AC_CHECK_MEMBER([pthread_mutex_t.__m_kind],
1358 [AC_DEFINE([HAVE_PTHREAD_MUTEX_T__M_KIND],
1359 1,
1360 [Define to 1 if pthread_mutex_t has a member called __m_kind.])
1361 ],
1362 [],
1363 [#include <pthread.h>])
1366 # Check whether pthread_mutex_t has a member called __data.__kind.
1368 AC_CHECK_MEMBER([pthread_mutex_t.__data.__kind],
1369 [AC_DEFINE([HAVE_PTHREAD_MUTEX_T__DATA__KIND],
1370 1,
1371 [Define to 1 if pthread_mutex_t has a member __data.__kind.])
1372 ],
1373 [],
1374 [#include <pthread.h>])
1376 # Convenience function. Set flags based on the existing HWCAP entries.
1377 # The AT_HWCAP entries are generated by glibc, and are based on
1378 # functions supported by the hardware/system/libc.
1379 # Subsequent support for whether the capability will actually be utilized
1380 # will also be checked against the compiler capabilities.
1381 # called as
1382 # AC_HWCAP_CONTAINS_FLAG[hwcap_string_to_match],[VARIABLE_TO_SET]
1383 AC_DEFUN([AC_HWCAP_CONTAINS_FLAG],[
1384 AUXV_CHECK_FOR=$1
1385 AC_MSG_CHECKING([if AT_HWCAP contains the $AUXV_CHECK_FOR indicator])
1386 if LD_SHOW_AUXV=1 `which true` | grep ^AT_HWCAP | grep -q -w ${AUXV_CHECK_FOR}
1387 then
1388 AC_MSG_RESULT([yes])
1389 AC_SUBST([$2],[yes])
1390 else
1391 AC_MSG_RESULT([no])
1392 AC_SUBST([$2],[])
1393 fi
1394 ])
1396 # gather hardware capabilities. (hardware/kernel/libc)
1397 AC_HWCAP_CONTAINS_FLAG([altivec],[HWCAP_HAS_ALTIVEC])
1398 AC_HWCAP_CONTAINS_FLAG([vsx],[HWCAP_HAS_VSX])
1399 AC_HWCAP_CONTAINS_FLAG([dfp],[HWCAP_HAS_DFP])
1400 AC_HWCAP_CONTAINS_FLAG([arch_2_05],[HWCAP_HAS_ISA_2_05])
1401 AC_HWCAP_CONTAINS_FLAG([arch_2_06],[HWCAP_HAS_ISA_2_06])
1402 AC_HWCAP_CONTAINS_FLAG([arch_2_07],[HWCAP_HAS_ISA_2_07])
1403 AC_HWCAP_CONTAINS_FLAG([arch_3_00],[HWCAP_HAS_ISA_3_00])
1404 AC_HWCAP_CONTAINS_FLAG([htm],[HWCAP_HAS_HTM])
1406 # ISA Levels
1407 AM_CONDITIONAL(HAS_ISA_2_05, [test x$HWCAP_HAS_ISA_2_05 = xyes])
1408 AM_CONDITIONAL(HAS_ISA_2_06, [test x$HWCAP_HAS_ISA_2_06 = xyes])
1409 # compiler support for isa 2.07 level instructions
1410 AC_MSG_CHECKING([that assembler knows ISA 2.07 instructions ])
1411 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1412 ]], [[
1413 __asm__ __volatile__("mtvsrd 1,2 ");
1414 ]])], [
1415 ac_asm_have_isa_2_07=yes
1416 AC_MSG_RESULT([yes])
1417 ], [
1418 ac_asm_have_isa_2_07=no
1419 AC_MSG_RESULT([no])
1420 ])
1421 AM_CONDITIONAL(HAS_ISA_2_07, [test x$ac_asm_have_isa_2_07 = xyes \
1422 -a x$HWCAP_HAS_ISA_2_07 = xyes])
1424 # altivec (vsx) support.
1425 # does this compiler support -maltivec and does it have the include file
1426 # <altivec.h> ?
1427 AC_MSG_CHECKING([for Altivec support in the compiler ])
1428 safe_CFLAGS=$CFLAGS
1429 CFLAGS="-maltivec -Werror"
1430 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1431 #include <altivec.h>
1432 ]], [[
1433 vector unsigned int v;
1434 ]])], [
1435 ac_have_altivec=yes
1436 AC_MSG_RESULT([yes])
1437 ], [
1438 ac_have_altivec=no
1439 AC_MSG_RESULT([no])
1440 ])
1441 CFLAGS=$safe_CFLAGS
1442 AM_CONDITIONAL([HAS_ALTIVEC], [test x$ac_have_altivec = xyes \
1443 -a x$HWCAP_HAS_ALTIVEC = xyes])
1445 # Check that both: the compiler supports -mvsx and that the assembler
1446 # understands VSX instructions. If either of those doesn't work,
1447 # conclude that we can't do VSX.
1448 AC_MSG_CHECKING([for VSX compiler flag support])
1449 safe_CFLAGS=$CFLAGS
1450 CFLAGS="-mvsx -Werror"
1451 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1452 ]], [[
1453 ]])], [
1454 ac_compiler_supports_vsx_flag=yes
1455 AC_MSG_RESULT([yes])
1456 ], [
1457 ac_compiler_supports_vsx_flag=no
1458 AC_MSG_RESULT([no])
1459 ])
1460 CFLAGS=$safe_CFLAGS
1462 AC_MSG_CHECKING([for VSX support in the assembler ])
1463 safe_CFLAGS=$CFLAGS
1464 CFLAGS="-mvsx -Werror"
1465 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1466 #include <altivec.h>
1467 ]], [[
1468 vector unsigned int v;
1469 __asm__ __volatile__("xsmaddadp 32, 32, 33" ::: "memory","cc");
1470 ]])], [
1471 ac_compiler_supports_vsx=yes
1472 AC_MSG_RESULT([yes])
1473 ], [
1474 ac_compiler_supports_vsx=no
1475 AC_MSG_RESULT([no])
1476 ])
1477 CFLAGS=$safe_CFLAGS
1478 AM_CONDITIONAL([HAS_VSX], [test x$ac_compiler_supports_vsx_flag = xyes \
1479 -a x$ac_compiler_supports_vsx = xyes \
1480 -a x$HWCAP_HAS_VSX = xyes ])
1482 # DFP (Decimal Float)
1483 AC_MSG_CHECKING([that assembler knows DFP])
1484 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1485 ]], [[
1486 #ifdef __s390__
1487 __asm__ __volatile__("adtr 1, 2, 3")
1488 #else
1489 __asm__ __volatile__("dadd 1, 2, 3");
1490 __asm__ __volatile__("dcffix 1, 2");
1491 #endif
1492 ]])], [
1493 ac_asm_have_dfp=yes
1494 AC_MSG_RESULT([yes])
1495 ], [
1496 ac_asm_have_dfp=no
1497 AC_MSG_RESULT([no])
1498 ])
1499 AC_MSG_CHECKING([that compiler knows -mhard-dfp switch])
1500 safe_CFLAGS=$CFLAGS
1501 CFLAGS="-mhard-dfp -Werror"
1502 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1503 ]], [[
1504 #ifdef __s390__
1505 __asm__ __volatile__("adtr 1, 2, 3")
1506 #else
1507 __asm__ __volatile__("dadd 1, 2, 3");
1508 __asm__ __volatile__("dcffix 1, 2");
1509 #endif
1510 ]])], [
1511 ac_compiler_have_dfp=yes
1512 AC_MSG_RESULT([yes])
1513 ], [
1514 ac_compiler_have_dfp=no
1515 AC_MSG_RESULT([no])
1516 ])
1517 CFLAGS=$safe_CFLAGS
1518 AM_CONDITIONAL(HAS_DFP, test x$ac_asm_have_dfp = xyes \
1519 -a x$ac_compiler_have_dfp = xyes \
1520 -a x$HWCAP_HAS_DFP = xyes )
1522 AC_MSG_CHECKING([that compiler knows DFP datatypes])
1523 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1524 ]], [[
1525 _Decimal64 x = 0.0DD;
1526 ]])], [
1527 ac_compiler_have_dfp_type=yes
1528 AC_MSG_RESULT([yes])
1529 ], [
1530 ac_compiler_have_dfp_type=no
1531 AC_MSG_RESULT([no])
1532 ])
1533 AM_CONDITIONAL(BUILD_DFP_TESTS, test x$ac_compiler_have_dfp_type = xyes \
1534 -a x$HWCAP_HAS_DFP = xyes )
1537 # HTM (Hardware Transactional Memory)
1538 AC_MSG_CHECKING([if compiler accepts the -mhtm flag])
1539 safe_CFLAGS=$CFLAGS
1540 CFLAGS="-mhtm -Werror"
1541 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1542 ]], [[
1543 return 0;
1544 ]])], [
1545 AC_MSG_RESULT([yes])
1546 ac_compiler_supports_htm=yes
1547 ], [
1548 AC_MSG_RESULT([no])
1549 ac_compiler_supports_htm=no
1550 ])
1551 CFLAGS=$safe_CFLAGS
1553 AC_MSG_CHECKING([if compiler can find the htm builtins])
1554 safe_CFLAGS=$CFLAGS
1555 CFLAGS="-mhtm -Werror"
1556 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1557 ]], [[
1558 if (__builtin_tbegin (0))
1559 __builtin_tend (0);
1560 ]])], [
1561 AC_MSG_RESULT([yes])
1562 ac_compiler_sees_htm_builtins=yes
1563 ], [
1564 AC_MSG_RESULT([no])
1565 ac_compiler_sees_htm_builtins=no
1566 ])
1567 CFLAGS=$safe_CFLAGS
1569 AM_CONDITIONAL(SUPPORTS_HTM, test x$ac_compiler_supports_htm = xyes \
1570 -a x$ac_compiler_sees_htm_builtins = xyes \
1571 -a x$HWCAP_HAS_HTM = xyes )
1573 # isa 3.0 checking
1574 AC_MSG_CHECKING([that assembler knows ISA 3.00 ])
1576 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1577 ]], [[
1578 __asm__ __volatile__("cnttzw 1,2 ");
1579 ]])], [
1580 ac_asm_have_isa_3_00=yes
1581 AC_MSG_RESULT([yes])
1582 ], [
1583 ac_asm_have_isa_3_00=no
1584 AC_MSG_RESULT([no])
1585 ])
1587 AM_CONDITIONAL(HAS_ISA_3_00, [test x$ac_asm_have_isa_3_00 = xyes \
1588 -a x$HWCAP_HAS_ISA_3_00 = xyes])
1590 # Check for pthread_create@GLIBC2.0
1591 AC_MSG_CHECKING([for pthread_create@GLIBC2.0()])
1593 safe_CFLAGS=$CFLAGS
1594 CFLAGS="-lpthread -Werror"
1595 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1596 extern int pthread_create_glibc_2_0(void*, const void*,
1597 void *(*)(void*), void*);
1598 __asm__(".symver pthread_create_glibc_2_0, pthread_create@GLIBC_2.0");
1599 ]], [[
1600 #ifdef __powerpc__
1601 /*
1602 * Apparently on PowerPC linking this program succeeds and generates an
1603 * executable with the undefined symbol pthread_create@GLIBC_2.0.
1604 */
1605 #error This test does not work properly on PowerPC.
1606 #else
1607 pthread_create_glibc_2_0(0, 0, 0, 0);
1608 #endif
1609 return 0;
1610 ]])], [
1611 ac_have_pthread_create_glibc_2_0=yes
1612 AC_MSG_RESULT([yes])
1613 AC_DEFINE([HAVE_PTHREAD_CREATE_GLIBC_2_0], 1,
1614 [Define to 1 if you have the `pthread_create@glibc2.0' function.])
1615 ], [
1616 ac_have_pthread_create_glibc_2_0=no
1617 AC_MSG_RESULT([no])
1618 ])
1619 CFLAGS=$safe_CFLAGS
1621 AM_CONDITIONAL(HAVE_PTHREAD_CREATE_GLIBC_2_0,
1622 test x$ac_have_pthread_create_glibc_2_0 = xyes)
1625 # Check for dlinfo RTLD_DI_TLS_MODID
1626 AC_MSG_CHECKING([for dlinfo RTLD_DI_TLS_MODID])
1628 safe_LIBS="$LIBS"
1629 LIBS="-ldl"
1630 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1631 #ifndef _GNU_SOURCE
1632 #define _GNU_SOURCE
1633 #endif
1634 #include <link.h>
1635 #include <dlfcn.h>
1636 ]], [[
1637 size_t sizes[10000];
1638 size_t modid_offset;
1639 (void) dlinfo ((void*)sizes, RTLD_DI_TLS_MODID, &modid_offset);
1640 return 0;
1641 ]])], [
1642 ac_have_dlinfo_rtld_di_tls_modid=yes
1643 AC_MSG_RESULT([yes])
1644 AC_DEFINE([HAVE_DLINFO_RTLD_DI_TLS_MODID], 1,
1645 [Define to 1 if you have a dlinfo that can do RTLD_DI_TLS_MODID.])
1646 ], [
1647 ac_have_dlinfo_rtld_di_tls_modid=no
1648 AC_MSG_RESULT([no])
1649 ])
1650 LIBS=$safe_LIBS
1652 AM_CONDITIONAL(HAVE_DLINFO_RTLD_DI_TLS_MODID,
1653 test x$ac_have_dlinfo_rtld_di_tls_modid = xyes)
1656 # Check for eventfd_t, eventfd() and eventfd_read()
1657 AC_MSG_CHECKING([for eventfd()])
1659 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1660 #include <sys/eventfd.h>
1661 ]], [[
1662 eventfd_t ev;
1663 int fd;
1665 fd = eventfd(5, 0);
1666 eventfd_read(fd, &ev);
1667 return 0;
1668 ]])], [
1669 AC_MSG_RESULT([yes])
1670 AC_DEFINE([HAVE_EVENTFD], 1,
1671 [Define to 1 if you have the `eventfd' function.])
1672 AC_DEFINE([HAVE_EVENTFD_READ], 1,
1673 [Define to 1 if you have the `eventfd_read' function.])
1674 ], [
1675 AC_MSG_RESULT([no])
1676 ])
1678 # Check whether compiler can process #include <thread> without errors
1679 # clang 3.3 cannot process <thread> from e.g.
1680 # gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3
1682 AC_MSG_CHECKING([that C++ compiler can include <thread> header file])
1683 AC_LANG(C++)
1684 safe_CXXFLAGS=$CXXFLAGS
1685 CXXFLAGS=-std=c++0x
1687 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
1688 #include <thread>
1689 ])],
1690 [
1691 ac_cxx_can_include_thread_header=yes
1692 AC_MSG_RESULT([yes])
1693 ], [
1694 ac_cxx_can_include_thread_header=no
1695 AC_MSG_RESULT([no])
1696 ])
1697 CXXFLAGS=$safe_CXXFLAGS
1698 AC_LANG(C)
1700 AM_CONDITIONAL(CXX_CAN_INCLUDE_THREAD_HEADER, test x$ac_cxx_can_include_thread_header = xyes)
1703 # On aarch64 before glibc 2.20 we would get the kernel user_pt_regs instead
1704 # of the user_regs_struct from sys/user.h. They are structurally the same
1705 # but we get either one or the other.
1707 AC_CHECK_TYPE([struct user_regs_struct],
1708 [sys_user_has_user_regs=yes], [sys_user_has_user_regs=no],
1709 [[#include <sys/ptrace.h>]
1710 [#include <sys/time.h>]
1711 [#include <sys/user.h>]])
1712 if test "$sys_user_has_user_regs" = "yes"; then
1713 AC_DEFINE(HAVE_SYS_USER_REGS, 1,
1714 [Define to 1 if <sys/user.h> defines struct user_regs_struct])
1715 fi
1718 #----------------------------------------------------------------------------
1719 # Checking for supported compiler flags.
1720 #----------------------------------------------------------------------------
1722 case "${host_cpu}" in
1723 mips*)
1724 # does this compiler support -march=mips32 (mips32 default) ?
1725 AC_MSG_CHECKING([if gcc accepts -march=mips32 -mabi=32])
1727 safe_CFLAGS=$CFLAGS
1728 CFLAGS="$CFLAGS -mips32 -mabi=32 -Werror"
1730 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
1731 return 0;
1732 ]])], [
1733 FLAG_M32="-mips32 -mabi=32"
1734 AC_MSG_RESULT([yes])
1735 ], [
1736 FLAG_M32=""
1737 AC_MSG_RESULT([no])
1738 ])
1739 CFLAGS=$safe_CFLAGS
1741 AC_SUBST(FLAG_M32)
1744 # does this compiler support -march=mips64r2 (mips64r2 default) ?
1745 AC_MSG_CHECKING([if gcc accepts -march=mips64r2 -mabi=64])
1747 safe_CFLAGS=$CFLAGS
1748 CFLAGS="$CFLAGS -march=mips64r2 -mabi=64 -Werror"
1750 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
1751 return 0;
1752 ]])], [
1753 FLAG_M64="-march=mips64r2 -mabi=64"
1754 AC_MSG_RESULT([yes])
1755 ], [
1756 FLAG_M64=""
1757 AC_MSG_RESULT([no])
1758 ])
1759 CFLAGS=$safe_CFLAGS
1761 AC_SUBST(FLAG_M64)
1762 ;;
1763 *)
1764 # does this compiler support -m32 ?
1765 AC_MSG_CHECKING([if gcc accepts -m32])
1767 safe_CFLAGS=$CFLAGS
1768 CFLAGS="-m32 -Werror"
1770 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
1771 return 0;
1772 ]])], [
1773 FLAG_M32="-m32"
1774 AC_MSG_RESULT([yes])
1775 ], [
1776 FLAG_M32=""
1777 AC_MSG_RESULT([no])
1778 ])
1779 CFLAGS=$safe_CFLAGS
1781 AC_SUBST(FLAG_M32)
1784 # does this compiler support -m64 ?
1785 AC_MSG_CHECKING([if gcc accepts -m64])
1787 safe_CFLAGS=$CFLAGS
1788 CFLAGS="-m64 -Werror"
1790 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
1791 return 0;
1792 ]])], [
1793 FLAG_M64="-m64"
1794 AC_MSG_RESULT([yes])
1795 ], [
1796 FLAG_M64=""
1797 AC_MSG_RESULT([no])
1798 ])
1799 CFLAGS=$safe_CFLAGS
1801 AC_SUBST(FLAG_M64)
1802 ;;
1803 esac
1805 # does this compiler support -march=octeon (Cavium OCTEON I Specific) ?
1806 AC_MSG_CHECKING([if gcc accepts -march=octeon])
1808 safe_CFLAGS=$CFLAGS
1809 CFLAGS="$CFLAGS $FLAG_M64 -march=octeon -Werror"
1811 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
1812 return 0;
1813 ]])], [
1814 FLAG_OCTEON="-march=octeon"
1815 AC_MSG_RESULT([yes])
1816 ], [
1817 FLAG_OCTEON=""
1818 AC_MSG_RESULT([no])
1819 ])
1820 CFLAGS=$safe_CFLAGS
1822 AC_SUBST(FLAG_OCTEON)
1825 # does this compiler support -march=octeon2 (Cavium OCTEON II Specific) ?
1826 AC_MSG_CHECKING([if gcc accepts -march=octeon2])
1828 safe_CFLAGS=$CFLAGS
1829 CFLAGS="$CFLAGS $FLAG_M64 -march=octeon2 -Werror"
1831 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
1832 return 0;
1833 ]])], [
1834 FLAG_OCTEON2="-march=octeon2"
1835 AC_MSG_RESULT([yes])
1836 ], [
1837 FLAG_OCTEON2=""
1838 AC_MSG_RESULT([no])
1839 ])
1840 CFLAGS=$safe_CFLAGS
1842 AC_SUBST(FLAG_OCTEON2)
1845 # does this compiler support -mmsa (MIPS MSA ASE) ?
1846 AC_MSG_CHECKING([if gcc accepts -mmsa])
1848 safe_CFLAGS=$CFLAGS
1849 CFLAGS="$CFLAGS -mmsa -Werror"
1851 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
1852 return 0;
1853 ]])], [
1854 FLAG_MSA="-mmsa"
1855 AC_MSG_RESULT([yes])
1856 ], [
1857 FLAG_MSA=""
1858 AC_MSG_RESULT([no])
1859 ])
1860 CFLAGS=$safe_CFLAGS
1862 AC_SUBST(FLAG_MSA)
1865 # does this compiler support -mmmx ?
1866 AC_MSG_CHECKING([if gcc accepts -mmmx])
1868 safe_CFLAGS=$CFLAGS
1869 CFLAGS="-mmmx -Werror"
1871 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
1872 return 0;
1873 ]])], [
1874 FLAG_MMMX="-mmmx"
1875 AC_MSG_RESULT([yes])
1876 ], [
1877 FLAG_MMMX=""
1878 AC_MSG_RESULT([no])
1879 ])
1880 CFLAGS=$safe_CFLAGS
1882 AC_SUBST(FLAG_MMMX)
1885 # does this compiler support -msse ?
1886 AC_MSG_CHECKING([if gcc accepts -msse])
1888 safe_CFLAGS=$CFLAGS
1889 CFLAGS="-msse -Werror"
1891 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
1892 return 0;
1893 ]])], [
1894 FLAG_MSSE="-msse"
1895 AC_MSG_RESULT([yes])
1896 ], [
1897 FLAG_MSSE=""
1898 AC_MSG_RESULT([no])
1899 ])
1900 CFLAGS=$safe_CFLAGS
1902 AC_SUBST(FLAG_MSSE)
1905 # does this compiler support -mpreferred-stack-boundary=2 when
1906 # generating code for a 32-bit target? Note that we only care about
1907 # this when generating code for (32-bit) x86, so if the compiler
1908 # doesn't recognise -m32 it's no big deal. We'll just get code for
1909 # the Memcheck and other helper functions, that is a bit slower than
1910 # it could be, on x86; and no difference at all on any other platform.
1911 AC_MSG_CHECKING([if gcc accepts -mpreferred-stack-boundary=2 -m32])
1913 safe_CFLAGS=$CFLAGS
1914 CFLAGS="-mpreferred-stack-boundary=2 -m32 -Werror"
1916 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
1917 return 0;
1918 ]])], [
1919 PREFERRED_STACK_BOUNDARY_2="-mpreferred-stack-boundary=2"
1920 AC_MSG_RESULT([yes])
1921 ], [
1922 PREFERRED_STACK_BOUNDARY_2=""
1923 AC_MSG_RESULT([no])
1924 ])
1925 CFLAGS=$safe_CFLAGS
1927 AC_SUBST(PREFERRED_STACK_BOUNDARY_2)
1930 # does this compiler support -mlong-double-128 ?
1931 AC_MSG_CHECKING([if gcc accepts -mlong-double-128])
1932 safe_CFLAGS=$CFLAGS
1933 CFLAGS="-mlong-double-128 -Werror"
1934 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
1935 return 0;
1936 ]])], [
1937 ac_compiler_supports_mlong_double_128=yes
1938 AC_MSG_RESULT([yes])
1939 ], [
1940 ac_compiler_supports_mlong_double_128=no
1941 AC_MSG_RESULT([no])
1942 ])
1943 CFLAGS=$safe_CFLAGS
1944 AM_CONDITIONAL(HAS_MLONG_DOUBLE_128, test x$ac_compiler_supports_mlong_double_128 = xyes)
1945 FLAG_MLONG_DOUBLE_128="-mlong-double-128"
1946 AC_SUBST(FLAG_MLONG_DOUBLE_128)
1949 # Convenience function to check whether GCC supports a particular
1950 # warning option. Takes two arguments,
1951 # first the warning flag name to check (without -W), then the
1952 # substitution name to set with -Wno-warning-flag if the flag exists,
1953 # or the empty string if the compiler doesn't accept the flag. Note
1954 # that checking is done against the warning flag itself, but the
1955 # substitution is then done to cancel the warning flag.
1956 AC_DEFUN([AC_GCC_WARNING_SUBST_NO],[
1957 AC_MSG_CHECKING([if gcc accepts -W$1])
1958 safe_CFLAGS=$CFLAGS
1959 CFLAGS="-W$1 -Werror"
1960 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[;]])], [
1961 AC_SUBST([$2], [-Wno-$1])
1962 AC_MSG_RESULT([yes])], [
1963 AC_SUBST([$2], [])
1964 AC_MSG_RESULT([no])])
1965 CFLAGS=$safe_CFLAGS
1966 ])
1968 # Convenience function. Like AC_GCC_WARNING_SUBST_NO, except it substitutes
1969 # -W$1 (instead of -Wno-$1).
1970 AC_DEFUN([AC_GCC_WARNING_SUBST],[
1971 AC_MSG_CHECKING([if gcc accepts -W$1])
1972 safe_CFLAGS=$CFLAGS
1973 CFLAGS="-W$1 -Werror"
1974 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[;]])], [
1975 AC_SUBST([$2], [-W$1])
1976 AC_MSG_RESULT([yes])], [
1977 AC_SUBST([$2], [])
1978 AC_MSG_RESULT([no])])
1979 CFLAGS=$safe_CFLAGS
1980 ])
1982 AC_GCC_WARNING_SUBST_NO([memset-transposed-args], [FLAG_W_NO_MEMSET_TRANSPOSED_ARGS])
1983 AC_GCC_WARNING_SUBST_NO([nonnull], [FLAG_W_NO_NONNULL])
1984 AC_GCC_WARNING_SUBST_NO([overflow], [FLAG_W_NO_OVERFLOW])
1985 AC_GCC_WARNING_SUBST_NO([pointer-sign], [FLAG_W_NO_POINTER_SIGN])
1986 AC_GCC_WARNING_SUBST_NO([uninitialized], [FLAG_W_NO_UNINITIALIZED])
1987 AC_GCC_WARNING_SUBST_NO([unused-function], [FLAG_W_NO_UNUSED_FUNCTION])
1988 AC_GCC_WARNING_SUBST_NO([static-local-in-inline], [FLAG_W_NO_STATIC_LOCAL_IN_INLINE])
1989 AC_GCC_WARNING_SUBST_NO([mismatched-new-delete], [FLAG_W_NO_MISMATCHED_NEW_DELETE])
1990 AC_GCC_WARNING_SUBST_NO([infinite-recursion], [FLAG_W_NO_INFINITE_RECURSION])
1991 AC_GCC_WARNING_SUBST([write-strings], [FLAG_W_WRITE_STRINGS])
1992 AC_GCC_WARNING_SUBST([empty-body], [FLAG_W_EMPTY_BODY])
1993 AC_GCC_WARNING_SUBST([format], [FLAG_W_FORMAT])
1994 # Disabled for now until all platforms are clean
1995 format_checking_enabled=no
1996 #format_checking_enabled=yes
1997 if test "$format_checking_enabled" = "yes"; then
1998 AC_GCC_WARNING_SUBST([format-signedness], [FLAG_W_FORMAT_SIGNEDNESS])
1999 else
2000 dumy_assignment_to_avoid_syntax_errors=1
2001 AC_SUBST([FLAG_W_FORMAT_SIGNEDNESS], [])
2002 fi
2003 AC_GCC_WARNING_SUBST([cast-qual], [FLAG_W_CAST_QUAL])
2004 AC_GCC_WARNING_SUBST([old-style-declaration], [FLAG_W_OLD_STYLE_DECLARATION])
2005 AC_GCC_WARNING_SUBST([ignored-qualifiers], [FLAG_W_IGNORED_QUALIFIERS])
2006 AC_GCC_WARNING_SUBST([missing-parameter-type], [FLAG_W_MISSING_PARAMETER_TYPE])
2007 AC_GCC_WARNING_SUBST([logical-op], [FLAG_W_LOGICAL_OP])
2009 # Does this compiler support -Wformat-security ?
2010 # Special handling is needed, because certain GCC versions require -Wformat
2011 # being present if -Wformat-security is given. Otherwise a warning is issued.
2012 # However, AC_GCC_WARNING_SUBST will stick in -Werror (see r15323 for rationale).
2013 # And with that the warning will be turned into an error with the result
2014 # that -Wformat-security is believed to be unsupported when in fact it is.
2015 AC_MSG_CHECKING([if gcc accepts -Wformat-security])
2016 safe_CFLAGS=$CFLAGS
2017 CFLAGS="-Wformat -Wformat-security -Werror"
2018 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[;]])], [
2019 AC_SUBST([FLAG_W_FORMAT_SECURITY], [-Wformat-security])
2020 AC_MSG_RESULT([yes])], [
2021 AC_SUBST([FLAG_W_FORMAT_SECURITY], [])
2022 AC_MSG_RESULT([no])])
2023 CFLAGS=$safe_CFLAGS
2025 # does this compiler support -Wextra or the older -W ?
2027 AC_MSG_CHECKING([if gcc accepts -Wextra or -W])
2029 safe_CFLAGS=$CFLAGS
2030 CFLAGS="-Wextra -Werror"
2032 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2033 return 0;
2034 ]])], [
2035 AC_SUBST([FLAG_W_EXTRA], [-Wextra])
2036 AC_MSG_RESULT([-Wextra])
2037 ], [
2038 CFLAGS="-W -Werror"
2039 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2040 return 0;
2041 ]])], [
2042 AC_SUBST([FLAG_W_EXTRA], [-W])
2043 AC_MSG_RESULT([-W])
2044 ], [
2045 AC_SUBST([FLAG_W_EXTRA], [])
2046 AC_MSG_RESULT([not supported])
2047 ])
2048 ])
2049 CFLAGS=$safe_CFLAGS
2051 # On ARM we do not want to pass -Wcast-align as that produces loads
2052 # of warnings. GCC is just being conservative. See here:
2053 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65459#c4
2054 if test "X$VGCONF_ARCH_PRI" = "Xarm"; then
2055 AC_SUBST([FLAG_W_CAST_ALIGN], [""])
2056 else
2057 AC_SUBST([FLAG_W_CAST_ALIGN], [-Wcast-align])
2058 fi
2060 # does this compiler support -fno-stack-protector ?
2061 AC_MSG_CHECKING([if gcc accepts -fno-stack-protector])
2063 safe_CFLAGS=$CFLAGS
2064 CFLAGS="-fno-stack-protector -Werror"
2066 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2067 return 0;
2068 ]])], [
2069 no_stack_protector=yes
2070 FLAG_FNO_STACK_PROTECTOR="-fno-stack-protector"
2071 AC_MSG_RESULT([yes])
2072 ], [
2073 no_stack_protector=no
2074 FLAG_FNO_STACK_PROTECTOR=""
2075 AC_MSG_RESULT([no])
2076 ])
2077 CFLAGS=$safe_CFLAGS
2079 AC_SUBST(FLAG_FNO_STACK_PROTECTOR)
2081 # Does GCC support disabling Identical Code Folding?
2082 # We want to disabled Identical Code Folding for the
2083 # tools preload shared objects to get better backraces.
2084 # For GCC 5.1+ -fipa-icf is enabled by default at -O2.
2085 # "The optimization reduces code size and may disturb
2086 # unwind stacks by replacing a function by equivalent
2087 # one with a different name."
2088 AC_MSG_CHECKING([if gcc accepts -fno-ipa-icf])
2090 safe_CFLAGS=$CFLAGS
2091 CFLAGS="-fno-ipa-icf -Werror"
2093 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2094 return 0;
2095 ]])], [
2096 no_ipa_icf=yes
2097 FLAG_FNO_IPA_ICF="-fno-ipa-icf"
2098 AC_MSG_RESULT([yes])
2099 ], [
2100 no_ipa_icf=no
2101 FLAG_FNO_IPA_ICF=""
2102 AC_MSG_RESULT([no])
2103 ])
2104 CFLAGS=$safe_CFLAGS
2106 AC_SUBST(FLAG_FNO_IPA_ICF)
2109 # Does this compiler support -fsanitize=undefined. This is true for
2110 # GCC 4.9 and newer. However, the undefined behaviour sanitiser in GCC 5.1
2111 # also checks for alignment violations on memory accesses which the valgrind
2112 # code base is sprinkled (if not littered) with. As those alignment issues
2113 # don't pose a problem we want to suppress warnings about them.
2114 # In GCC 5.1 this can be done by passing -fno-sanitize=alignment. Earlier
2115 # GCCs do not support that.
2116 #
2117 # Only checked for if --enable-ubsan was given.
2118 if test "x${vg_cv_ubsan}" = "xyes"; then
2119 AC_MSG_CHECKING([if gcc accepts -fsanitize=undefined -fno-sanitize=alignment])
2120 safe_CFLAGS=$CFLAGS
2121 CFLAGS="-fsanitize=undefined -fno-sanitize=alignment -Werror"
2122 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2123 return 0;
2124 ]])], [
2125 FLAG_FSANITIZE="-fsanitize=undefined -fno-sanitize=alignment"
2126 LIB_UBSAN="-static-libubsan"
2127 AC_MSG_RESULT([yes])
2128 ], [
2129 CFLAGS="-fsanitize=undefined -Werror"
2130 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2131 return 0;
2132 ]])], [
2133 FLAG_FSANITIZE="-fsanitize=undefined"
2134 LIB_UBSAN="-static-libubsan"
2135 AC_MSG_RESULT([yes])
2136 ], [
2137 FLAG_FSANITIZE=""
2138 LIB_UBSAN=""
2139 AC_MSG_RESULT([no])
2140 ])
2141 ])
2142 CFLAGS=$safe_CFLAGS
2143 AC_SUBST(FLAG_FSANITIZE)
2144 AC_SUBST(LIB_UBSAN)
2145 fi
2146 # does this compiler support --param inline-unit-growth=... ?
2148 AC_MSG_CHECKING([if gcc accepts --param inline-unit-growth])
2150 safe_CFLAGS=$CFLAGS
2151 CFLAGS="--param inline-unit-growth=900 -Werror"
2153 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2154 return 0;
2155 ]])], [
2156 AC_SUBST([FLAG_UNLIMITED_INLINE_UNIT_GROWTH],
2157 ["--param inline-unit-growth=900"])
2158 AC_MSG_RESULT([yes])
2159 ], [
2160 AC_SUBST([FLAG_UNLIMITED_INLINE_UNIT_GROWTH], [""])
2161 AC_MSG_RESULT([no])
2162 ])
2163 CFLAGS=$safe_CFLAGS
2166 # does this compiler support -gdwarf-4 -fdebug-types-section ?
2168 AC_MSG_CHECKING([if gcc accepts -gdwarf-4 -fdebug-types-section])
2170 safe_CFLAGS=$CFLAGS
2171 CFLAGS="-gdwarf-4 -fdebug-types-section -Werror"
2173 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2174 return 0;
2175 ]])], [
2176 ac_have_dwarf4=yes
2177 AC_MSG_RESULT([yes])
2178 ], [
2179 ac_have_dwarf4=no
2180 AC_MSG_RESULT([no])
2181 ])
2182 AM_CONDITIONAL(DWARF4, test x$ac_have_dwarf4 = xyes)
2183 CFLAGS=$safe_CFLAGS
2186 # does this compiler support -g -gz=zlib ?
2188 AC_MSG_CHECKING([if gcc accepts -g -gz=zlib])
2190 safe_CFLAGS=$CFLAGS
2191 CFLAGS="-g -gz=zlib"
2193 AC_LINK_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2194 return 0;
2195 ]])], [
2196 ac_have_gz_zlib=yes
2197 AC_MSG_RESULT([yes])
2198 ], [
2199 ac_have_gz_zlib=no
2200 AC_MSG_RESULT([no])
2201 ])
2202 AM_CONDITIONAL(GZ_ZLIB, test x$ac_have_gz_zlib = xyes)
2203 CFLAGS=$safe_CFLAGS
2206 # does this compiler support -g -gz=zlib-gnu ?
2208 AC_MSG_CHECKING([if gcc accepts -g -gz=zlib-gnu])
2210 safe_CFLAGS=$CFLAGS
2211 CFLAGS="-g -gz=zlib-gnu"
2213 AC_LINK_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2214 return 0;
2215 ]])], [
2216 ac_have_gz_zlib_gnu=yes
2217 AC_MSG_RESULT([yes])
2218 ], [
2219 ac_have_gz_zlib_gnu=no
2220 AC_MSG_RESULT([no])
2221 ])
2222 AM_CONDITIONAL(GZ_ZLIB_GNU, test x$ac_have_gz_zlib_gnu = xyes)
2223 CFLAGS=$safe_CFLAGS
2226 # does this compiler support nested functions ?
2228 AC_MSG_CHECKING([if gcc accepts nested functions])
2230 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2231 int foo() { return 1; }
2232 return foo();
2233 ]])], [
2234 ac_have_nested_functions=yes
2235 AC_MSG_RESULT([yes])
2236 ], [
2237 ac_have_nested_functions=no
2238 AC_MSG_RESULT([no])
2239 ])
2240 AM_CONDITIONAL([HAVE_NESTED_FUNCTIONS], [test x$ac_have_nested_functions = xyes])
2243 # does this compiler support the 'p' constraint in ASM statements ?
2245 AC_MSG_CHECKING([if gcc accepts the 'p' constraint in asm statements])
2247 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2248 char *p;
2249 __asm__ __volatile__ ("movdqa (%0),%%xmm6\n" : "=p" (p));
2250 ]])], [
2251 ac_have_asm_constraint_p=yes
2252 AC_MSG_RESULT([yes])
2253 ], [
2254 ac_have_asm_constraint_p=no
2255 AC_MSG_RESULT([no])
2256 ])
2257 AM_CONDITIONAL([HAVE_ASM_CONSTRAINT_P], [test x$ac_have_asm_constraint_p = xyes])
2260 # Does this compiler and linker support -pie?
2261 # Some compilers actually do not support -pie and report its usage
2262 # as an error. We need to check if it is safe to use it first.
2264 AC_MSG_CHECKING([if gcc accepts -pie])
2266 safe_CFLAGS=$CFLAGS
2267 CFLAGS="-pie"
2269 AC_LINK_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2270 return 0;
2271 ]])], [
2272 AC_SUBST([FLAG_PIE], ["-pie"])
2273 AC_MSG_RESULT([yes])
2274 ], [
2275 AC_SUBST([FLAG_PIE], [""])
2276 AC_MSG_RESULT([no])
2277 ])
2278 CFLAGS=$safe_CFLAGS
2281 # Does this compiler support -no-pie?
2282 # On Ubuntu 16.10+, gcc produces position independent executables (PIE) by
2283 # default. However this gets in the way with some tests, we use -no-pie
2284 # for these.
2286 AC_MSG_CHECKING([if gcc accepts -no-pie])
2288 safe_CFLAGS=$CFLAGS
2289 CFLAGS="-no-pie"
2291 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2292 return 0;
2293 ]])], [
2294 AC_SUBST([FLAG_NO_PIE], ["-no-pie"])
2295 AC_MSG_RESULT([yes])
2296 ], [
2297 AC_SUBST([FLAG_NO_PIE], [""])
2298 AC_MSG_RESULT([no])
2299 ])
2300 CFLAGS=$safe_CFLAGS
2303 # We want to use use the -Ttext-segment option to the linker.
2304 # GNU (bfd) ld supports this directly. Newer GNU gold linkers
2305 # support it as an alias of -Ttext. Sadly GNU (bfd) ld's -Ttext
2306 # semantics are NOT what we want (GNU gold -Ttext is fine).
2307 #
2308 # For GNU (bfd) ld -Ttext-segment chooses the base at which ELF headers
2309 # will reside. -Ttext aligns just the .text section start (but not any
2310 # other section).
2311 #
2312 # So test for -Ttext-segment which is supported by all bfd ld versions
2313 # and use that if it exists. If it doesn't exist it must be an older
2314 # version of gold and we can fall back to using -Ttext which has the
2315 # right semantics.
2317 AC_MSG_CHECKING([if the linker accepts -Wl,-Ttext-segment])
2319 safe_CFLAGS=$CFLAGS
2320 CFLAGS="-static -nodefaultlibs -nostartfiles -Wl,-Ttext-segment=$valt_load_address_pri_norml -Werror"
2322 AC_LINK_IFELSE(
2323 [AC_LANG_SOURCE([int _start () { return 0; }])],
2324 [
2325 linker_using_t_text="no"
2326 AC_SUBST([FLAG_T_TEXT], ["-Ttext-segment"])
2327 AC_MSG_RESULT([yes])
2328 ], [
2329 linker_using_t_text="yes"
2330 AC_SUBST([FLAG_T_TEXT], ["-Ttext"])
2331 AC_MSG_RESULT([no])
2332 ])
2333 CFLAGS=$safe_CFLAGS
2335 # If the linker only supports -Ttext (not -Ttext-segment) then we will
2336 # have to strip any build-id ELF NOTEs from the statically linked tools.
2337 # Otherwise the build-id NOTE might end up at the default load address.
2338 # (Pedantically if the linker is gold then -Ttext is fine, but newer
2339 # gold versions also support -Ttext-segment. So just assume that unless
2340 # we can use -Ttext-segment we need to strip the build-id NOTEs.
2341 if test "x${linker_using_t_text}" = "xyes"; then
2342 AC_MSG_NOTICE([ld -Ttext used, need to strip build-id NOTEs.])
2343 # does the linker support -Wl,--build-id=none ? Note, it's
2344 # important that we test indirectly via whichever C compiler
2345 # is selected, rather than testing /usr/bin/ld or whatever
2346 # directly.
2347 AC_MSG_CHECKING([if the linker accepts -Wl,--build-id=none])
2348 safe_CFLAGS=$CFLAGS
2349 CFLAGS="-Wl,--build-id=none -Werror"
2351 AC_LINK_IFELSE(
2352 [AC_LANG_PROGRAM([ ], [return 0;])],
2353 [
2354 AC_SUBST([FLAG_NO_BUILD_ID], ["-Wl,--build-id=none"])
2355 AC_MSG_RESULT([yes])
2356 ], [
2357 AC_SUBST([FLAG_NO_BUILD_ID], [""])
2358 AC_MSG_RESULT([no])
2359 ])
2360 else
2361 AC_MSG_NOTICE([ld -Ttext-segment used, no need to strip build-id NOTEs.])
2362 AC_SUBST([FLAG_NO_BUILD_ID], [""])
2363 fi
2364 CFLAGS=$safe_CFLAGS
2366 # does the ppc assembler support "mtocrf" et al?
2367 AC_MSG_CHECKING([if ppc32/64 as supports mtocrf/mfocrf])
2369 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2370 __asm__ __volatile__("mtocrf 4,0");
2371 __asm__ __volatile__("mfocrf 0,4");
2372 ]])], [
2373 ac_have_as_ppc_mftocrf=yes
2374 AC_MSG_RESULT([yes])
2375 ], [
2376 ac_have_as_ppc_mftocrf=no
2377 AC_MSG_RESULT([no])
2378 ])
2379 if test x$ac_have_as_ppc_mftocrf = xyes ; then
2380 AC_DEFINE(HAVE_AS_PPC_MFTOCRF, 1, [Define to 1 if as supports mtocrf/mfocrf.])
2381 fi
2384 # does the ppc assembler support "lfdp" and other phased out floating point insns?
2385 AC_MSG_CHECKING([if ppc32/64 asm supports phased out floating point instructions])
2387 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2388 do { typedef struct {
2389 double hi;
2390 double lo;
2391 } dbl_pair_t;
2392 dbl_pair_t dbl_pair[3];
2393 __asm__ volatile ("lfdp 10, %0"::"m" (dbl_pair[0]));
2394 } while (0)
2395 ]])], [
2396 ac_have_as_ppc_fpPO=yes
2397 AC_MSG_RESULT([yes])
2398 ], [
2399 ac_have_as_ppc_fpPO=no
2400 AC_MSG_RESULT([no])
2401 ])
2402 if test x$ac_have_as_ppc_fpPO = xyes ; then
2403 AC_DEFINE(HAVE_AS_PPC_FPPO, 1, [Define to 1 if as supports floating point phased out category.])
2404 fi
2407 # does the amd64 assembler understand "fxsave64" and "fxrstor64"?
2408 AC_MSG_CHECKING([if amd64 assembler supports fxsave64/fxrstor64])
2410 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2411 void* p;
2412 asm __volatile__("fxsave64 (%0)" : : "r" (p) : "memory" );
2413 asm __volatile__("fxrstor64 (%0)" : : "r" (p) : "memory" );
2414 ]])], [
2415 ac_have_as_amd64_fxsave64=yes
2416 AC_MSG_RESULT([yes])
2417 ], [
2418 ac_have_as_amd64_fxsave64=no
2419 AC_MSG_RESULT([no])
2420 ])
2421 if test x$ac_have_as_amd64_fxsave64 = xyes ; then
2422 AC_DEFINE(HAVE_AS_AMD64_FXSAVE64, 1, [Define to 1 if as supports fxsave64/fxrstor64.])
2423 fi
2425 # does the x86/amd64 assembler understand SSE3 instructions?
2426 # Note, this doesn't generate a C-level symbol. It generates a
2427 # automake-level symbol (BUILD_SSE3_TESTS), used in test Makefile.am's
2428 AC_MSG_CHECKING([if x86/amd64 assembler speaks SSE3])
2430 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2431 do { long long int x;
2432 __asm__ __volatile__("fisttpq (%0)" : :"r"(&x) ); }
2433 while (0)
2434 ]])], [
2435 ac_have_as_sse3=yes
2436 AC_MSG_RESULT([yes])
2437 ], [
2438 ac_have_as_sse3=no
2439 AC_MSG_RESULT([no])
2440 ])
2442 AM_CONDITIONAL(BUILD_SSE3_TESTS, test x$ac_have_as_sse3 = xyes)
2445 # Ditto for SSSE3 instructions (note extra S)
2446 # Note, this doesn't generate a C-level symbol. It generates a
2447 # automake-level symbol (BUILD_SSSE3_TESTS), used in test Makefile.am's
2448 AC_MSG_CHECKING([if x86/amd64 assembler speaks SSSE3])
2450 save_CFLAGS="$CFLAGS"
2451 CFLAGS="$CFLAGS -msse -Werror"
2452 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2453 do { long long int x;
2454 __asm__ __volatile__(
2455 "pabsb (%0),%%xmm7" : : "r"(&x) : "xmm7" ); }
2456 while (0)
2457 ]])], [
2458 ac_have_as_ssse3=yes
2459 AC_MSG_RESULT([yes])
2460 ], [
2461 ac_have_as_ssse3=no
2462 AC_MSG_RESULT([no])
2463 ])
2464 CFLAGS="$save_CFLAGS"
2466 AM_CONDITIONAL(BUILD_SSSE3_TESTS, test x$ac_have_as_ssse3 = xyes)
2469 # does the x86/amd64 assembler understand the PCLMULQDQ instruction?
2470 # Note, this doesn't generate a C-level symbol. It generates a
2471 # automake-level symbol (BUILD_PCLMULQDQ_TESTS), used in test Makefile.am's
2472 AC_MSG_CHECKING([if x86/amd64 assembler supports 'pclmulqdq'])
2473 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2474 do {
2475 __asm__ __volatile__(
2476 "pclmulqdq \$17,%%xmm6,%%xmm7" : : : "xmm6", "xmm7" ); }
2477 while (0)
2478 ]])], [
2479 ac_have_as_pclmulqdq=yes
2480 AC_MSG_RESULT([yes])
2481 ], [
2482 ac_have_as_pclmulqdq=no
2483 AC_MSG_RESULT([no])
2484 ])
2486 AM_CONDITIONAL(BUILD_PCLMULQDQ_TESTS, test x$ac_have_as_pclmulqdq = xyes)
2489 # does the x86/amd64 assembler understand the VPCLMULQDQ instruction?
2490 # Note, this doesn't generate a C-level symbol. It generates a
2491 # automake-level symbol (BUILD_VPCLMULQDQ_TESTS), used in test Makefile.am's
2492 AC_MSG_CHECKING([if x86/amd64 assembler supports 'vpclmulqdq'])
2493 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2494 do {
2495 /*
2496 * Carry-less multiplication of xmm1 with xmm2 and store the result in
2497 * xmm3. The immediate is used to determine which quadwords of xmm1 and
2498 * xmm2 should be used.
2499 */
2500 __asm__ __volatile__(
2501 "vpclmulqdq \$0,%%xmm1,%%xmm2,%%xmm3" : : : );
2502 } while (0)
2503 ]])], [
2504 ac_have_as_vpclmulqdq=yes
2505 AC_MSG_RESULT([yes])
2506 ], [
2507 ac_have_as_vpclmulqdq=no
2508 AC_MSG_RESULT([no])
2509 ])
2511 AM_CONDITIONAL(BUILD_VPCLMULQDQ_TESTS, test x$ac_have_as_vpclmulqdq = xyes)
2514 # does the x86/amd64 assembler understand FMA4 instructions?
2515 # Note, this doesn't generate a C-level symbol. It generates a
2516 # automake-level symbol (BUILD_AFM4_TESTS), used in test Makefile.am's
2517 AC_MSG_CHECKING([if x86/amd64 assembler supports FMA4 'vfmaddpd'])
2518 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2519 do {
2520 __asm__ __volatile__(
2521 "vfmaddpd %%xmm7,%%xmm8,%%xmm6,%%xmm9" : : : );
2522 } while (0)
2523 ]])], [
2524 ac_have_as_vfmaddpd=yes
2525 AC_MSG_RESULT([yes])
2526 ], [
2527 ac_have_as_vfmaddpd=no
2528 AC_MSG_RESULT([no])
2529 ])
2531 AM_CONDITIONAL(BUILD_FMA4_TESTS, test x$ac_have_as_vfmaddpd = xyes)
2534 # does the x86/amd64 assembler understand the LZCNT instruction?
2535 # Note, this doesn't generate a C-level symbol. It generates a
2536 # automake-level symbol (BUILD_LZCNT_TESTS), used in test Makefile.am's
2537 AC_MSG_CHECKING([if x86/amd64 assembler supports 'lzcnt'])
2539 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2540 do {
2541 __asm__ __volatile__("lzcnt %%rax,%%rax" : : : "rax");
2542 } while (0)
2543 ]])], [
2544 ac_have_as_lzcnt=yes
2545 AC_MSG_RESULT([yes])
2546 ], [
2547 ac_have_as_lzcnt=no
2548 AC_MSG_RESULT([no])
2549 ])
2551 AM_CONDITIONAL([BUILD_LZCNT_TESTS], [test x$ac_have_as_lzcnt = xyes])
2554 # does the x86/amd64 assembler understand the LOOPNEL instruction?
2555 # Note, this doesn't generate a C-level symbol. It generates a
2556 # automake-level symbol (BUILD_LOOPNEL_TESTS), used in test Makefile.am's
2557 AC_MSG_CHECKING([if x86/amd64 assembler supports 'loopnel'])
2559 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2560 do {
2561 __asm__ __volatile__("1: loopnel 1b\n");
2562 } while (0)
2563 ]])], [
2564 ac_have_as_loopnel=yes
2565 AC_MSG_RESULT([yes])
2566 ], [
2567 ac_have_as_loopnel=no
2568 AC_MSG_RESULT([no])
2569 ])
2571 AM_CONDITIONAL([BUILD_LOOPNEL_TESTS], [test x$ac_have_as_loopnel = xyes])
2574 # does the x86/amd64 assembler understand ADDR32 ?
2575 # Note, this doesn't generate a C-level symbol. It generates a
2576 # automake-level symbol (BUILD_ADDR32_TESTS), used in test Makefile.am's
2577 AC_MSG_CHECKING([if x86/amd64 assembler supports 'addr32'])
2579 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2580 do {
2581 asm volatile ("addr32 rep movsb");
2582 } while (0)
2583 ]])], [
2584 ac_have_as_addr32=yes
2585 AC_MSG_RESULT([yes])
2586 ], [
2587 ac_have_as_addr32=no
2588 AC_MSG_RESULT([no])
2589 ])
2591 AM_CONDITIONAL([BUILD_ADDR32_TESTS], [test x$ac_have_as_addr32 = xyes])
2594 # does the x86/amd64 assembler understand SSE 4.2 instructions?
2595 # Note, this doesn't generate a C-level symbol. It generates a
2596 # automake-level symbol (BUILD_SSE42_TESTS), used in test Makefile.am's
2597 AC_MSG_CHECKING([if x86/amd64 assembler speaks SSE4.2])
2599 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2600 do { long long int x;
2601 __asm__ __volatile__(
2602 "crc32q %%r15,%%r15" : : : "r15" );
2603 __asm__ __volatile__(
2604 "pblendvb (%%rcx), %%xmm11" : : : "memory", "xmm11");
2605 __asm__ __volatile__(
2606 "aesdec %%xmm2, %%xmm1" : : : "xmm2", "xmm1"); }
2607 while (0)
2608 ]])], [
2609 ac_have_as_sse42=yes
2610 AC_MSG_RESULT([yes])
2611 ], [
2612 ac_have_as_sse42=no
2613 AC_MSG_RESULT([no])
2614 ])
2616 AM_CONDITIONAL(BUILD_SSE42_TESTS, test x$ac_have_as_sse42 = xyes)
2619 # does the x86/amd64 assembler understand AVX instructions?
2620 # Note, this doesn't generate a C-level symbol. It generates a
2621 # automake-level symbol (BUILD_AVX_TESTS), used in test Makefile.am's
2622 AC_MSG_CHECKING([if x86/amd64 assembler speaks AVX])
2624 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2625 do { long long int x;
2626 __asm__ __volatile__(
2627 "vmovupd (%%rsp), %%ymm7" : : : "xmm7" );
2628 __asm__ __volatile__(
2629 "vaddpd %%ymm6,%%ymm7,%%ymm8" : : : "xmm6","xmm7","xmm8"); }
2630 while (0)
2631 ]])], [
2632 ac_have_as_avx=yes
2633 AC_MSG_RESULT([yes])
2634 ], [
2635 ac_have_as_avx=no
2636 AC_MSG_RESULT([no])
2637 ])
2639 AM_CONDITIONAL(BUILD_AVX_TESTS, test x$ac_have_as_avx = xyes)
2642 # does the x86/amd64 assembler understand AVX2 instructions?
2643 # Note, this doesn't generate a C-level symbol. It generates a
2644 # automake-level symbol (BUILD_AVX2_TESTS), used in test Makefile.am's
2645 AC_MSG_CHECKING([if x86/amd64 assembler speaks AVX2])
2647 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2648 do { long long int x;
2649 __asm__ __volatile__(
2650 "vpsravd (%%rsp), %%ymm8, %%ymm7" : : : "xmm7", "xmm8" );
2651 __asm__ __volatile__(
2652 "vpaddb %%ymm6,%%ymm7,%%ymm8" : : : "xmm6","xmm7","xmm8"); }
2653 while (0)
2654 ]])], [
2655 ac_have_as_avx2=yes
2656 AC_MSG_RESULT([yes])
2657 ], [
2658 ac_have_as_avx2=no
2659 AC_MSG_RESULT([no])
2660 ])
2662 AM_CONDITIONAL(BUILD_AVX2_TESTS, test x$ac_have_as_avx2 = xyes)
2665 # does the x86/amd64 assembler understand TSX instructions and
2666 # the XACQUIRE/XRELEASE prefixes?
2667 # Note, this doesn't generate a C-level symbol. It generates a
2668 # automake-level symbol (BUILD_TSX_TESTS), used in test Makefile.am's
2669 AC_MSG_CHECKING([if x86/amd64 assembler speaks TSX])
2671 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2672 do {
2673 __asm__ __volatile__(
2674 " xbegin Lfoo \n\t"
2675 "Lfoo: xend \n\t"
2676 " xacquire lock incq 0(%rsp) \n\t"
2677 " xrelease lock incq 0(%rsp) \n"
2678 );
2679 } while (0)
2680 ]])], [
2681 ac_have_as_tsx=yes
2682 AC_MSG_RESULT([yes])
2683 ], [
2684 ac_have_as_tsx=no
2685 AC_MSG_RESULT([no])
2686 ])
2688 AM_CONDITIONAL(BUILD_TSX_TESTS, test x$ac_have_as_tsx = xyes)
2691 # does the x86/amd64 assembler understand BMI1 and BMI2 instructions?
2692 # Note, this doesn't generate a C-level symbol. It generates a
2693 # automake-level symbol (BUILD_BMI_TESTS), used in test Makefile.am's
2694 AC_MSG_CHECKING([if x86/amd64 assembler speaks BMI1 and BMI2])
2696 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2697 do { unsigned int h, l;
2698 __asm__ __volatile__( "mulx %rax,%rcx,%r8" );
2699 __asm__ __volatile__(
2700 "andn %2, %1, %0" : "=r" (h) : "r" (0x1234567), "r" (0x7654321) );
2701 __asm__ __volatile__(
2702 "movl %2, %%edx; mulx %3, %1, %0" : "=r" (h), "=r" (l) : "g" (0x1234567), "rm" (0x7654321) : "edx" ); }
2703 while (0)
2704 ]])], [
2705 ac_have_as_bmi=yes
2706 AC_MSG_RESULT([yes])
2707 ], [
2708 ac_have_as_bmi=no
2709 AC_MSG_RESULT([no])
2710 ])
2712 AM_CONDITIONAL(BUILD_BMI_TESTS, test x$ac_have_as_bmi = xyes)
2715 # does the x86/amd64 assembler understand FMA instructions?
2716 # Note, this doesn't generate a C-level symbol. It generates a
2717 # automake-level symbol (BUILD_FMA_TESTS), used in test Makefile.am's
2718 AC_MSG_CHECKING([if x86/amd64 assembler speaks FMA])
2720 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2721 do { unsigned int h, l;
2722 __asm__ __volatile__(
2723 "vfmadd132ps (%%rsp), %%ymm8, %%ymm7" : : : "xmm7", "xmm8" );
2724 __asm__ __volatile__(
2725 "vfnmsub231sd (%%rsp), %%xmm8, %%xmm7" : : : "xmm7", "xmm8" );
2726 __asm__ __volatile__(
2727 "vfmsubadd213pd (%%rsp), %%xmm8, %%xmm7" : : : "xmm7", "xmm8" ); }
2728 while (0)
2729 ]])], [
2730 ac_have_as_fma=yes
2731 AC_MSG_RESULT([yes])
2732 ], [
2733 ac_have_as_fma=no
2734 AC_MSG_RESULT([no])
2735 ])
2737 AM_CONDITIONAL(BUILD_FMA_TESTS, test x$ac_have_as_fma = xyes)
2740 # does the amd64 assembler understand MPX instructions?
2741 # Note, this doesn't generate a C-level symbol. It generates a
2742 # automake-level symbol (BUILD_MPX_TESTS), used in test Makefile.am's
2743 AC_MSG_CHECKING([if amd64 assembler knows the MPX instructions])
2745 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2746 do {
2747 asm ("bndmov %bnd0,(%rsp)");
2748 asm ("bndldx 3(%rbx,%rdx), %bnd2");
2749 asm ("bnd call foo\n"
2750 bnd jmp end\n"
2751 foo: bnd ret\n"
2752 end: nop");
2753 } while (0)
2754 ]])], [
2755 ac_have_as_mpx=yes
2756 AC_MSG_RESULT([yes])
2757 ], [
2758 ac_have_as_mpx=no
2759 AC_MSG_RESULT([no])
2760 ])
2762 AM_CONDITIONAL(BUILD_MPX_TESTS, test x$ac_have_as_mpx = xyes)
2765 # does the amd64 assembler understand ADX instructions?
2766 # Note, this doesn't generate a C-level symbol. It generates a
2767 # automake-level symbol (BUILD_ADX_TESTS), used in test Makefile.am's
2768 AC_MSG_CHECKING([if amd64 assembler knows the ADX instructions])
2770 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2771 do {
2772 asm ("adcxq %r14,%r8");
2773 } while (0)
2774 ]])], [
2775 ac_have_as_adx=yes
2776 AC_MSG_RESULT([yes])
2777 ], [
2778 ac_have_as_adx=no
2779 AC_MSG_RESULT([no])
2780 ])
2782 AM_CONDITIONAL(BUILD_ADX_TESTS, test x$ac_have_as_adx = xyes)
2785 # Does the C compiler support the "ifunc" attribute
2786 # Note, this doesn't generate a C-level symbol. It generates a
2787 # automake-level symbol (BUILD_IFUNC_TESTS), used in test Makefile.am's
2788 # does the x86/amd64 assembler understand MOVBE?
2789 # Note, this doesn't generate a C-level symbol. It generates a
2790 # automake-level symbol (BUILD_MOVBE_TESTS), used in test Makefile.am's
2791 AC_MSG_CHECKING([if x86/amd64 assembler knows the MOVBE insn])
2793 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2794 do { long long int x;
2795 __asm__ __volatile__(
2796 "movbe (%%rsp), %%r15" : : : "memory", "r15" ); }
2797 while (0)
2798 ]])], [
2799 ac_have_as_movbe=yes
2800 AC_MSG_RESULT([yes])
2801 ], [
2802 ac_have_as_movbe=no
2803 AC_MSG_RESULT([no])
2804 ])
2806 AM_CONDITIONAL(BUILD_MOVBE_TESTS, test x$ac_have_as_movbe = xyes)
2809 # Does the C compiler support the "ifunc" attribute
2810 # Note, this doesn't generate a C-level symbol. It generates a
2811 # automake-level symbol (BUILD_IFUNC_TESTS), used in test Makefile.am's
2812 AC_MSG_CHECKING([if gcc supports the ifunc attribute])
2814 AC_LINK_IFELSE([AC_LANG_SOURCE([[
2815 static void mytest(void) {}
2817 static void (*resolve_test(void))(void)
2818 {
2819 return (void (*)(void))&mytest;
2820 }
2822 void test(void) __attribute__((ifunc("resolve_test")));
2824 int main()
2825 {
2826 test();
2827 return 0;
2828 }
2829 ]])], [
2830 ac_have_ifunc_attr=yes
2831 AC_MSG_RESULT([yes])
2832 ], [
2833 ac_have_ifunc_attr=no
2834 AC_MSG_RESULT([no])
2835 ])
2837 AM_CONDITIONAL(BUILD_IFUNC_TESTS, test x$ac_have_ifunc_attr = xyes)
2839 # Does the C compiler support the armv8 crc feature flag
2840 # Note, this doesn't generate a C-level symbol. It generates a
2841 # automake-level symbol (BUILD_ARMV8_CRC_TESTS), used in test Makefile.am's
2842 AC_MSG_CHECKING([if gcc supports the armv8 crc feature flag])
2844 save_CFLAGS="$CFLAGS"
2845 CFLAGS="$CFLAGS -march=armv8-a+crc -Werror"
2846 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
2847 int main()
2848 {
2849 return 0;
2850 }
2851 ]])], [
2852 ac_have_armv8_crc_feature=yes
2853 AC_MSG_RESULT([yes])
2854 ], [
2855 ac_have_armv8_crc_feature=no
2856 AC_MSG_RESULT([no])
2857 ])
2858 CFLAGS="$save_CFLAGS"
2860 AM_CONDITIONAL(BUILD_ARMV8_CRC_TESTS, test x$ac_have_armv8_crc_feature = xyes)
2863 # XXX JRS 2010 Oct 13: what is this for? For sure, we don't need this
2864 # when building the tool executables. I think we should get rid of it.
2865 #
2866 # Check for TLS support in the compiler and linker
2867 AC_LINK_IFELSE([AC_LANG_PROGRAM([[static __thread int foo;]],
2868 [[return foo;]])],
2869 [vg_cv_linktime_tls=yes],
2870 [vg_cv_linktime_tls=no])
2871 # Native compilation: check whether running a program using TLS succeeds.
2872 # Linking only is not sufficient -- e.g. on Red Hat 7.3 linking TLS programs
2873 # succeeds but running programs using TLS fails.
2874 # Cross-compiling: check whether linking a program using TLS succeeds.
2875 AC_CACHE_CHECK([for TLS support], vg_cv_tls,
2876 [AC_ARG_ENABLE(tls, [ --enable-tls platform supports TLS],
2877 [vg_cv_tls=$enableval],
2878 [AC_RUN_IFELSE([AC_LANG_PROGRAM([[static __thread int foo;]],
2879 [[return foo;]])],
2880 [vg_cv_tls=yes],
2881 [vg_cv_tls=no],
2882 [vg_cv_tls=$vg_cv_linktime_tls])])])
2884 if test "$vg_cv_tls" = yes -a $is_clang != applellvm; then
2885 AC_DEFINE([HAVE_TLS], 1, [can use __thread to define thread-local variables])
2886 fi
2889 #----------------------------------------------------------------------------
2890 # Solaris-specific checks.
2891 #----------------------------------------------------------------------------
2893 if test "$VGCONF_OS" = "solaris" ; then
2894 AC_CHECK_HEADERS([sys/lgrp_user_impl.h])
2896 # Solaris-specific check determining if the Sun Studio Assembler is used to
2897 # build Valgrind. The test checks if the x86/amd64 assembler understands the
2898 # cmovl.l instruction, if yes then it's Sun Assembler.
2899 #
2900 # C-level symbol: none
2901 # Automake-level symbol: SOLARIS_SUN_STUDIO_AS
2902 #
2903 AC_MSG_CHECKING([if x86/amd64 assembler speaks cmovl.l (Solaris-specific)])
2904 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2905 ]], [[
2906 __asm__ __volatile__("cmovl.l %edx, %eax");
2907 ]])], [
2908 solaris_have_sun_studio_as=yes
2909 AC_MSG_RESULT([yes])
2910 ], [
2911 solaris_have_sun_studio_as=no
2912 AC_MSG_RESULT([no])
2913 ])
2914 AM_CONDITIONAL(SOLARIS_SUN_STUDIO_AS, test x$solaris_have_sun_studio_as = xyes)
2916 # Solaris-specific check determining if symbols __xpg4 and __xpg6
2917 # are present in linked shared libraries when gcc is invoked with -std=gnu99.
2918 # See solaris/vgpreload-solaris.mapfile for details.
2919 # gcc on older Solaris instructs linker to include these symbols,
2920 # gcc on illumos and newer Solaris does not.
2921 #
2922 # C-level symbol: none
2923 # Automake-level symbol: SOLARIS_XPG_SYMBOLS_PRESENT
2924 #
2925 save_CFLAGS="$CFLAGS"
2926 CFLAGS="$CFLAGS -std=gnu99"
2927 AC_MSG_CHECKING([if xpg symbols are present with -std=gnu99 (Solaris-specific)])
2928 temp_dir=$( /usr/bin/mktemp -d )
2929 cat <<_ACEOF >${temp_dir}/mylib.c
2930 #include <stdio.h>
2931 int myfunc(void) { printf("LaPutyka\n"); }
2932 _ACEOF
2933 ${CC} ${CFLAGS} -fpic -shared -o ${temp_dir}/mylib.so ${temp_dir}/mylib.c
2934 xpg_present=$( /usr/bin/nm ${temp_dir}/mylib.so | ${EGREP} '(__xpg4|__xpg6)' )
2935 if test "x${xpg_present}" = "x" ; then
2936 solaris_xpg_symbols_present=no
2937 AC_MSG_RESULT([no])
2938 else
2939 solaris_xpg_symbols_present=yes
2940 AC_MSG_RESULT([yes])
2941 fi
2942 rm -rf ${temp_dir}
2943 AM_CONDITIONAL(SOLARIS_XPG_SYMBOLS_PRESENT, test x$solaris_xpg_symbols_present = xyes)
2944 CFLAGS="$save_CFLAGS"
2947 # Solaris-specific check determining if gcc enables largefile support by
2948 # default for 32-bit executables. If it does, then set SOLARIS_UNDEF_LARGESOURCE
2949 # variable with gcc flags which disable it.
2950 #
2951 AC_MSG_CHECKING([if gcc enables largefile support for 32-bit apps (Solaris-specific)])
2952 save_CFLAGS="$CFLAGS"
2953 CFLAGS="$CFLAGS -m32"
2954 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2955 return _LARGEFILE_SOURCE;
2956 ]])], [
2957 SOLARIS_UNDEF_LARGESOURCE="-U_LARGEFILE_SOURCE -U_LARGEFILE64_SOURCE -U_FILE_OFFSET_BITS"
2958 AC_MSG_RESULT([yes])
2959 ], [
2960 SOLARIS_UNDEF_LARGESOURCE=""
2961 AC_MSG_RESULT([no])
2962 ])
2963 CFLAGS=$safe_CFLAGS
2964 AC_SUBST(SOLARIS_UNDEF_LARGESOURCE)
2967 # Solaris-specific check determining if /proc/self/cmdline
2968 # or /proc/<pid>/cmdline is supported.
2969 #
2970 # C-level symbol: SOLARIS_PROC_CMDLINE
2971 # Automake-level symbol: SOLARIS_PROC_CMDLINE
2972 #
2973 AC_CHECK_FILE([/proc/self/cmdline],
2974 [
2975 solaris_proc_cmdline=yes
2976 AC_DEFINE([SOLARIS_PROC_CMDLINE], 1,
2977 [Define to 1 if you have /proc/self/cmdline.])
2978 ], [
2979 solaris_proc_cmdline=no
2980 ])
2981 AM_CONDITIONAL(SOLARIS_PROC_CMDLINE, test x$solaris_proc_cmdline = xyes)
2984 # Solaris-specific check determining default platform for the Valgrind launcher.
2985 # Used in case the launcher cannot select platform by looking at the client
2986 # image (for example because the executable is a shell script).
2987 #
2988 # C-level symbol: SOLARIS_LAUNCHER_DEFAULT_PLATFORM
2989 # Automake-level symbol: none
2990 #
2991 AC_MSG_CHECKING([for default platform of Valgrind launcher (Solaris-specific)])
2992 # Get the ELF class of /bin/sh first.
2993 if ! test -f /bin/sh; then
2994 AC_MSG_ERROR([Shell interpreter `/bin/sh' not found.])
2995 fi
2996 elf_class=$( /usr/bin/file /bin/sh | sed -n 's/.*ELF \(..\)-bit.*/\1/p' )
2997 case "$elf_class" in
2998 64)
2999 default_arch="$VGCONF_ARCH_PRI";
3000 ;;
3001 32)
3002 if test "x$VGCONF_ARCH_SEC" != "x"; then
3003 default_arch="$VGCONF_ARCH_SEC"
3004 else
3005 default_arch="$VGCONF_ARCH_PRI";
3006 fi
3007 ;;
3008 *)
3009 AC_MSG_ERROR([Cannot determine ELF class of `/bin/sh'.])
3010 ;;
3011 esac
3012 default_platform="$default_arch-$VGCONF_OS"
3013 AC_MSG_RESULT([$default_platform])
3014 AC_DEFINE_UNQUOTED([SOLARIS_LAUNCHER_DEFAULT_PLATFORM], ["$default_platform"],
3015 [Default platform for Valgrind launcher.])
3018 # Solaris-specific check determining if the old syscalls are available.
3019 #
3020 # C-level symbol: SOLARIS_OLD_SYSCALLS
3021 # Automake-level symbol: SOLARIS_OLD_SYSCALLS
3022 #
3023 AC_MSG_CHECKING([for the old Solaris syscalls (Solaris-specific)])
3024 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3025 #include <sys/syscall.h>
3026 ]], [[
3027 return !SYS_open;
3028 ]])], [
3029 solaris_old_syscalls=yes
3030 AC_MSG_RESULT([yes])
3031 AC_DEFINE([SOLARIS_OLD_SYSCALLS], 1,
3032 [Define to 1 if you have the old Solaris syscalls.])
3033 ], [
3034 solaris_old_syscalls=no
3035 AC_MSG_RESULT([no])
3036 ])
3037 AM_CONDITIONAL(SOLARIS_OLD_SYSCALLS, test x$solaris_old_syscalls = xyes)
3040 # Solaris-specific check determining if the new accept() syscall is available.
3041 #
3042 # Old syscall:
3043 # int accept(int sock, struct sockaddr *name, socklen_t *namelenp,
3044 # int version);
3045 #
3046 # New syscall (available on illumos):
3047 # int accept(int sock, struct sockaddr *name, socklen_t *namelenp,
3048 # int version, int flags);
3049 #
3050 # If the old syscall is present then the following syscall will fail with
3051 # ENOTSOCK (because file descriptor 0 is not a socket), if the new syscall is
3052 # available then it will fail with EINVAL (because the flags parameter is
3053 # invalid).
3054 #
3055 # C-level symbol: SOLARIS_NEW_ACCEPT_SYSCALL
3056 # Automake-level symbol: none
3057 #
3058 AC_MSG_CHECKING([for the new `accept' syscall (Solaris-specific)])
3059 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
3060 #include <sys/syscall.h>
3061 #include <errno.h>
3062 ]], [[
3063 errno = 0;
3064 syscall(SYS_accept, 0, 0, 0, 0, -1);
3065 return !(errno == EINVAL);
3066 ]])], [
3067 AC_MSG_RESULT([yes])
3068 AC_DEFINE([SOLARIS_NEW_ACCEPT_SYSCALL], 1,
3069 [Define to 1 if you have the new `accept' syscall.])
3070 ], [
3071 AC_MSG_RESULT([no])
3072 ])
3075 # Solaris-specific check determining if the new illumos pipe() syscall is
3076 # available.
3077 #
3078 # Old syscall:
3079 # longlong_t pipe();
3080 #
3081 # New syscall (available on illumos):
3082 # int pipe(intptr_t arg, int flags);
3083 #
3084 # If the old syscall is present then the following call will succeed, if the
3085 # new syscall is available then it will fail with EFAULT (because address 0
3086 # cannot be accessed).
3087 #
3088 # C-level symbol: SOLARIS_NEW_PIPE_SYSCALL
3089 # Automake-level symbol: none
3090 #
3091 AC_MSG_CHECKING([for the new `pipe' syscall (Solaris-specific)])
3092 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
3093 #include <sys/syscall.h>
3094 #include <errno.h>
3095 ]], [[
3096 errno = 0;
3097 syscall(SYS_pipe, 0, 0);
3098 return !(errno == EFAULT);
3099 ]])], [
3100 AC_MSG_RESULT([yes])
3101 AC_DEFINE([SOLARIS_NEW_PIPE_SYSCALL], 1,
3102 [Define to 1 if you have the new `pipe' syscall.])
3103 ], [
3104 AC_MSG_RESULT([no])
3105 ])
3108 # Solaris-specific check determining if the new lwp_sigqueue() syscall is
3109 # available.
3110 #
3111 # Old syscall:
3112 # int lwp_kill(id_t lwpid, int sig);
3113 #
3114 # New syscall (available on Solaris 11):
3115 # int lwp_sigqueue(id_t lwpid, int sig, void *value,
3116 # int si_code, timespec_t *timeout);
3117 #
3118 # C-level symbol: SOLARIS_LWP_SIGQUEUE_SYSCALL
3119 # Automake-level symbol: SOLARIS_LWP_SIGQUEUE_SYSCALL
3120 #
3121 AC_MSG_CHECKING([for the new `lwp_sigqueue' syscall (Solaris-specific)])
3122 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3123 #include <sys/syscall.h>
3124 ]], [[
3125 return !SYS_lwp_sigqueue;
3126 ]])], [
3127 solaris_lwp_sigqueue_syscall=yes
3128 AC_MSG_RESULT([yes])
3129 AC_DEFINE([SOLARIS_LWP_SIGQUEUE_SYSCALL], 1,
3130 [Define to 1 if you have the new `lwp_sigqueue' syscall.])
3131 ], [
3132 solaris_lwp_sigqueue_syscall=no
3133 AC_MSG_RESULT([no])
3134 ])
3135 AM_CONDITIONAL(SOLARIS_LWP_SIGQUEUE_SYSCALL, test x$solaris_lwp_sigqueue_syscall = xyes)
3138 # Solaris-specific check determining if the lwp_sigqueue() syscall
3139 # takes both pid and thread id arguments or just thread id.
3140 #
3141 # Old syscall (available up to Solaris 11.3):
3142 # int lwp_sigqueue(id_t lwpid, int sig, void *value,
3143 # int si_code, timespec_t *timeout);
3144 #
3145 # New syscall (available since Solaris 11.4):
3146 # int lwp_sigqueue(pid_t pid, id_t lwpid, int sig, void *value,
3147 # int si_code, timespec_t *timeout);
3148 #
3149 # If the old syscall is present then the following syscall will fail with
3150 # EINVAL (because signal is out of range); if the new syscall is available
3151 # then it will fail with ESRCH (because it would not find such thread in the
3152 # current process).
3153 #
3154 # C-level symbol: SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID
3155 # Automake-level symbol: SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID
3156 #
3157 AM_COND_IF(SOLARIS_LWP_SIGQUEUE_SYSCALL,
3158 AC_MSG_CHECKING([if the `lwp_sigqueue' syscall accepts pid (Solaris-specific)])
3159 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
3160 #include <sys/syscall.h>
3161 #include <errno.h>
3162 ]], [[
3163 errno = 0;
3164 syscall(SYS_lwp_sigqueue, 0, 101, 0, 0, 0, 0);
3165 return !(errno == ESRCH);
3166 ]])], [
3167 solaris_lwp_sigqueue_syscall_takes_pid=yes
3168 AC_MSG_RESULT([yes])
3169 AC_DEFINE([SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID], 1,
3170 [Define to 1 if you have the new `lwp_sigqueue' syscall which accepts pid.])
3171 ], [
3172 solaris_lwp_sigqueue_syscall_takes_pid=no
3173 AC_MSG_RESULT([no])
3174 ])
3175 AM_CONDITIONAL(SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID,
3176 test x$solaris_lwp_sigqueue_syscall_takes_pid = xyes)
3177 ,
3178 AM_CONDITIONAL(SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID, test x = y)
3179 )
3182 # Solaris-specific check determining if the new lwp_name() syscall is
3183 # available.
3184 #
3185 # New syscall (available on Solaris 11):
3186 # int lwp_name(int opcode, id_t lwpid, char *name, size_t len);
3187 #
3188 # C-level symbol: SOLARIS_LWP_NAME_SYSCALL
3189 # Automake-level symbol: SOLARIS_LWP_NAME_SYSCALL
3190 #
3191 AC_MSG_CHECKING([for the new `lwp_name' syscall (Solaris-specific)])
3192 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3193 #include <sys/syscall.h>
3194 ]], [[
3195 return !SYS_lwp_name;
3196 ]])], [
3197 solaris_lwp_name_syscall=yes
3198 AC_MSG_RESULT([yes])
3199 AC_DEFINE([SOLARIS_LWP_NAME_SYSCALL], 1,
3200 [Define to 1 if you have the new `lwp_name' syscall.])
3201 ], [
3202 solaris_lwp_name_syscall=no
3203 AC_MSG_RESULT([no])
3204 ])
3205 AM_CONDITIONAL(SOLARIS_LWP_NAME_SYSCALL, test x$solaris_lwp_name_syscall = xyes)
3208 # Solaris-specific check determining if the new getrandom() syscall is
3209 # available.
3210 #
3211 # New syscall (available on Solaris 11):
3212 # int getrandom(void *buf, size_t buflen, uint_t flags);
3213 #
3214 # C-level symbol: SOLARIS_GETRANDOM_SYSCALL
3215 # Automake-level symbol: SOLARIS_GETRANDOM_SYSCALL
3216 #
3217 AC_MSG_CHECKING([for the new `getrandom' syscall (Solaris-specific)])
3218 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3219 #include <sys/syscall.h>
3220 ]], [[
3221 return !SYS_getrandom;
3222 ]])], [
3223 solaris_getrandom_syscall=yes
3224 AC_MSG_RESULT([yes])
3225 AC_DEFINE([SOLARIS_GETRANDOM_SYSCALL], 1,
3226 [Define to 1 if you have the new `getrandom' syscall.])
3227 ], [
3228 solaris_getrandom_syscall=no
3229 AC_MSG_RESULT([no])
3230 ])
3231 AM_CONDITIONAL(SOLARIS_GETRANDOM_SYSCALL, test x$solaris_getrandom_syscall = xyes)
3234 # Solaris-specific check determining if the new zone() syscall subcodes
3235 # ZONE_LIST_DEFUNCT and ZONE_GETATTR_DEFUNCT are available. These subcodes
3236 # were added in Solaris 11 but are missing on illumos.
3237 #
3238 # C-level symbol: SOLARIS_ZONE_DEFUNCT
3239 # Automake-level symbol: SOLARIS_ZONE_DEFUNCT
3240 #
3241 AC_MSG_CHECKING([for ZONE_LIST_DEFUNCT and ZONE_GETATTR_DEFUNCT (Solaris-specific)])
3242 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3243 #include <sys/zone.h>
3244 ]], [[
3245 return !(ZONE_LIST_DEFUNCT && ZONE_GETATTR_DEFUNCT);
3246 ]])], [
3247 solaris_zone_defunct=yes
3248 AC_MSG_RESULT([yes])
3249 AC_DEFINE([SOLARIS_ZONE_DEFUNCT], 1,
3250 [Define to 1 if you have the `ZONE_LIST_DEFUNCT' and `ZONE_GETATTR_DEFUNC' constants.])
3251 ], [
3252 solaris_zone_defunct=no
3253 AC_MSG_RESULT([no])
3254 ])
3255 AM_CONDITIONAL(SOLARIS_ZONE_DEFUNCT, test x$solaris_zone_defunct = xyes)
3258 # Solaris-specific check determining if commands A_GETSTAT and A_SETSTAT
3259 # for auditon(2) subcode of the auditsys() syscall are available.
3260 # These commands are available in Solaris 11 and illumos but were removed
3261 # in Solaris 11.4.
3262 #
3263 # C-level symbol: SOLARIS_AUDITON_STAT
3264 # Automake-level symbol: SOLARIS_AUDITON_STAT
3265 #
3266 AC_MSG_CHECKING([for A_GETSTAT and A_SETSTAT auditon(2) commands (Solaris-specific)])
3267 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3268 #include <bsm/audit.h>
3269 ]], [[
3270 return !(A_GETSTAT && A_SETSTAT);
3271 ]])], [
3272 solaris_auditon_stat=yes
3273 AC_MSG_RESULT([yes])
3274 AC_DEFINE([SOLARIS_AUDITON_STAT], 1,
3275 [Define to 1 if you have the `A_GETSTAT' and `A_SETSTAT' constants.])
3276 ], [
3277 solaris_auditon_stat=no
3278 AC_MSG_RESULT([no])
3279 ])
3280 AM_CONDITIONAL(SOLARIS_AUDITON_STAT, test x$solaris_auditon_stat = xyes)
3283 # Solaris-specific check determining if the new shmsys() syscall subcodes
3284 # IPC_XSTAT64, SHMADV, SHM_ADV_GET, SHM_ADV_SET and SHMGET_OSM are available.
3285 # These subcodes were added in Solaris 11 but are missing on illumos.
3286 #
3287 # C-level symbol: SOLARIS_SHM_NEW
3288 # Automake-level symbol: SOLARIS_SHM_NEW
3289 #
3290 AC_MSG_CHECKING([for SHMADV, SHM_ADV_GET, SHM_ADV_SET and SHMGET_OSM (Solaris-specific)])
3291 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3292 #include <sys/ipc_impl.h>
3293 #include <sys/shm.h>
3294 #include <sys/shm_impl.h>
3295 ]], [[
3296 return !(IPC_XSTAT64 && SHMADV && SHM_ADV_GET && SHM_ADV_SET && SHMGET_OSM);
3297 ]])], [
3298 solaris_shm_new=yes
3299 AC_MSG_RESULT([yes])
3300 AC_DEFINE([SOLARIS_SHM_NEW], 1,
3301 [Define to 1 if you have the `IPC_XSTAT64', `SHMADV', `SHM_ADV_GET', `SHM_ADV_SET' and `SHMGET_OSM' constants.])
3302 ], [
3303 solaris_shm_new=no
3304 AC_MSG_RESULT([no])
3305 ])
3306 AM_CONDITIONAL(SOLARIS_SHM_NEW, test x$solaris_shm_new = xyes)
3309 # Solaris-specific check determining if prxregset_t is available. Illumos
3310 # currently does not define it on the x86 platform.
3311 #
3312 # C-level symbol: SOLARIS_PRXREGSET_T
3313 # Automake-level symbol: SOLARIS_PRXREGSET_T
3314 #
3315 AC_MSG_CHECKING([for the `prxregset_t' type (Solaris-specific)])
3316 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3317 #include <sys/procfs_isa.h>
3318 ]], [[
3319 return !sizeof(prxregset_t);
3320 ]])], [
3321 solaris_prxregset_t=yes
3322 AC_MSG_RESULT([yes])
3323 AC_DEFINE([SOLARIS_PRXREGSET_T], 1,
3324 [Define to 1 if you have the `prxregset_t' type.])
3325 ], [
3326 solaris_prxregset_t=no
3327 AC_MSG_RESULT([no])
3328 ])
3329 AM_CONDITIONAL(SOLARIS_PRXREGSET_T, test x$solaris_prxregset_t = xyes)
3332 # Solaris-specific check determining if the new frealpathat() syscall is
3333 # available.
3334 #
3335 # New syscall (available on Solaris 11.1):
3336 # int frealpathat(int fd, char *path, char *buf, size_t buflen);
3337 #
3338 # C-level symbol: SOLARIS_FREALPATHAT_SYSCALL
3339 # Automake-level symbol: SOLARIS_FREALPATHAT_SYSCALL
3340 #
3341 AC_MSG_CHECKING([for the new `frealpathat' syscall (Solaris-specific)])
3342 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3343 #include <sys/syscall.h>
3344 ]], [[
3345 return !SYS_frealpathat;
3346 ]])], [
3347 solaris_frealpathat_syscall=yes
3348 AC_MSG_RESULT([yes])
3349 AC_DEFINE([SOLARIS_FREALPATHAT_SYSCALL], 1,
3350 [Define to 1 if you have the new `frealpathat' syscall.])
3351 ], [
3352 solaris_frealpathat_syscall=no
3353 AC_MSG_RESULT([no])
3354 ])
3355 AM_CONDITIONAL(SOLARIS_FREALPATHAT_SYSCALL, test x$solaris_frealpathat_syscall = xyes)
3358 # Solaris-specific check determining if the new uuidsys() syscall is
3359 # available.
3360 #
3361 # New syscall (available on newer Solaris):
3362 # int uuidsys(struct uuid *uuid);
3363 #
3364 # C-level symbol: SOLARIS_UUIDSYS_SYSCALL
3365 # Automake-level symbol: SOLARIS_UUIDSYS_SYSCALL
3366 #
3367 AC_MSG_CHECKING([for the new `uuidsys' syscall (Solaris-specific)])
3368 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3369 #include <sys/syscall.h>
3370 ]], [[
3371 return !SYS_uuidsys;
3372 ]])], [
3373 solaris_uuidsys_syscall=yes
3374 AC_MSG_RESULT([yes])
3375 AC_DEFINE([SOLARIS_UUIDSYS_SYSCALL], 1,
3376 [Define to 1 if you have the new `uuidsys' syscall.])
3377 ], [
3378 solaris_uuidsys_syscall=no
3379 AC_MSG_RESULT([no])
3380 ])
3381 AM_CONDITIONAL(SOLARIS_UUIDSYS_SYSCALL, test x$solaris_uuidsys_syscall = xyes)
3384 # Solaris-specific check determining if the new labelsys() syscall subcode
3385 # TNDB_GET_TNIP is available. This subcode was added in Solaris 11 but is
3386 # missing on illumos.
3387 #
3388 # C-level symbol: SOLARIS_TNDB_GET_TNIP
3389 # Automake-level symbol: SOLARIS_TNDB_GET_TNIP
3390 #
3391 AC_MSG_CHECKING([for TNDB_GET_TNIP (Solaris-specific)])
3392 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3393 #include <sys/tsol/tndb.h>
3394 ]], [[
3395 return !TNDB_GET_TNIP;
3396 ]])], [
3397 solaris_tndb_get_tnip=yes
3398 AC_MSG_RESULT([yes])
3399 AC_DEFINE([SOLARIS_TNDB_GET_TNIP], 1,
3400 [Define to 1 if you have the `TNDB_GET_TNIP' constant.])
3401 ], [
3402 solaris_tndb_get_tnip=no
3403 AC_MSG_RESULT([no])
3404 ])
3405 AM_CONDITIONAL(SOLARIS_TNDB_GET_TNIP, test x$solaris_tndb_get_tnip = xyes)
3408 # Solaris-specific check determining if the new labelsys() syscall opcodes
3409 # TSOL_GETCLEARANCE and TSOL_SETCLEARANCE are available. These opcodes were
3410 # added in Solaris 11 but are missing on illumos.
3411 #
3412 # C-level symbol: SOLARIS_TSOL_CLEARANCE
3413 # Automake-level symbol: SOLARIS_TSOL_CLEARANCE
3414 #
3415 AC_MSG_CHECKING([for TSOL_GETCLEARANCE and TSOL_SETCLEARANCE (Solaris-specific)])
3416 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3417 #include <sys/tsol/tsyscall.h>
3418 ]], [[
3419 return !(TSOL_GETCLEARANCE && TSOL_SETCLEARANCE);
3420 ]])], [
3421 solaris_tsol_clearance=yes
3422 AC_MSG_RESULT([yes])
3423 AC_DEFINE([SOLARIS_TSOL_CLEARANCE], 1,
3424 [Define to 1 if you have the `TSOL_GETCLEARANCE' and `TSOL_SETCLEARANCE' constants.])
3425 ], [
3426 solaris_tsol_clearance=no
3427 AC_MSG_RESULT([no])
3428 ])
3429 AM_CONDITIONAL(SOLARIS_TSOL_CLEARANCE, test x$solaris_tsol_clearance = xyes)
3432 # Solaris-specific check determining if the new pset() syscall subcode
3433 # PSET_GET_NAME is available. This subcode was added in Solaris 11.4 but
3434 # is missing on illumos and Solaris 11.3.
3435 #
3436 # C-level symbol: SOLARIS_PSET_GET_NAME
3437 # Automake-level symbol: SOLARIS_PSET_GET_NAME
3438 #
3439 AC_MSG_CHECKING([for PSET_GET_NAME (Solaris-specific)])
3440 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3441 #include <sys/pset.h>
3442 ]], [[
3443 return !(PSET_GET_NAME);
3444 ]])], [
3445 solaris_pset_get_name=yes
3446 AC_MSG_RESULT([yes])
3447 AC_DEFINE([SOLARIS_PSET_GET_NAME], 1,
3448 [Define to 1 if you have the `PSET_GET_NAME' constants.])
3449 ], [
3450 solaris_pset_get_name=no
3451 AC_MSG_RESULT([no])
3452 ])
3453 AM_CONDITIONAL(SOLARIS_PSET_GET_NAME, test x$solaris_pset_get_name = xyes)
3456 # Solaris-specific check determining if the utimesys() syscall is
3457 # available (on illumos and older Solaris).
3458 #
3459 # C-level symbol: SOLARIS_UTIMESYS_SYSCALL
3460 # Automake-level symbol: SOLARIS_UTIMESYS_SYSCALL
3461 #
3462 AC_MSG_CHECKING([for the `utimesys' syscall (Solaris-specific)])
3463 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3464 #include <sys/syscall.h>
3465 ]], [[
3466 return !SYS_utimesys;
3467 ]])], [
3468 solaris_utimesys_syscall=yes
3469 AC_MSG_RESULT([yes])
3470 AC_DEFINE([SOLARIS_UTIMESYS_SYSCALL], 1,
3471 [Define to 1 if you have the `utimesys' syscall.])
3472 ], [
3473 solaris_utimesys_syscall=no
3474 AC_MSG_RESULT([no])
3475 ])
3476 AM_CONDITIONAL(SOLARIS_UTIMESYS_SYSCALL, test x$solaris_utimesys_syscall = xyes)
3479 # Solaris-specific check determining if the utimensat() syscall is
3480 # available (on newer Solaris).
3481 #
3482 # C-level symbol: SOLARIS_UTIMENSAT_SYSCALL
3483 # Automake-level symbol: SOLARIS_UTIMENSAT_SYSCALL
3484 #
3485 AC_MSG_CHECKING([for the `utimensat' syscall (Solaris-specific)])
3486 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3487 #include <sys/syscall.h>
3488 ]], [[
3489 return !SYS_utimensat;
3490 ]])], [
3491 solaris_utimensat_syscall=yes
3492 AC_MSG_RESULT([yes])
3493 AC_DEFINE([SOLARIS_UTIMENSAT_SYSCALL], 1,
3494 [Define to 1 if you have the `utimensat' syscall.])
3495 ], [
3496 solaris_utimensat_syscall=no
3497 AC_MSG_RESULT([no])
3498 ])
3499 AM_CONDITIONAL(SOLARIS_UTIMENSAT_SYSCALL, test x$solaris_utimensat_syscall = xyes)
3502 # Solaris-specific check determining if the spawn() syscall is available
3503 # (on newer Solaris).
3504 #
3505 # C-level symbol: SOLARIS_SPAWN_SYSCALL
3506 # Automake-level symbol: SOLARIS_SPAWN_SYSCALL
3507 #
3508 AC_MSG_CHECKING([for the `spawn' syscall (Solaris-specific)])
3509 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3510 #include <sys/syscall.h>
3511 ]], [[
3512 return !SYS_spawn;
3513 ]])], [
3514 solaris_spawn_syscall=yes
3515 AC_MSG_RESULT([yes])
3516 AC_DEFINE([SOLARIS_SPAWN_SYSCALL], 1,
3517 [Define to 1 if you have the `spawn' syscall.])
3518 ], [
3519 solaris_spawn_syscall=no
3520 AC_MSG_RESULT([no])
3521 ])
3522 AM_CONDITIONAL(SOLARIS_SPAWN_SYSCALL, test x$solaris_spawn_syscall = xyes)
3525 # Solaris-specific check determining if commands MODNVL_CTRLMAP through
3526 # MODDEVINFO_CACHE_TS for modctl() syscall are available (on newer Solaris).
3527 #
3528 # C-level symbol: SOLARIS_MODCTL_MODNVL
3529 # Automake-level symbol: SOLARIS_MODCTL_MODNVL
3530 #
3531 AC_MSG_CHECKING([for MODNVL_CTRLMAP through MODDEVINFO_CACHE_TS modctl(2) commands (Solaris-specific)])
3532 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3533 #include <sys/modctl.h>
3534 ]], [[
3535 return !(MODNVL_CTRLMAP && MODDEVINFO_CACHE_TS);
3536 ]])], [
3537 solaris_modctl_modnvl=yes
3538 AC_MSG_RESULT([yes])
3539 AC_DEFINE([SOLARIS_MODCTL_MODNVL], 1,
3540 [Define to 1 if you have the `MODNVL_CTRLMAP' through `MODDEVINFO_CACHE_TS' constants.])
3541 ], [
3542 solaris_modctl_modnvl=no
3543 AC_MSG_RESULT([no])
3544 ])
3545 AM_CONDITIONAL(SOLARIS_MODCTL_MODNVL, test x$solaris_modctl_modnvl = xyes)
3548 # Solaris-specific check determining whether nscd (name switch cache daemon)
3549 # attaches its door at /system/volatile/name_service_door (Solaris)
3550 # or at /var/run/name_service_door (illumos).
3551 #
3552 # Note that /var/run is a symlink to /system/volatile on Solaris
3553 # but not vice versa on illumos.
3554 #
3555 # C-level symbol: SOLARIS_NSCD_DOOR_SYSTEM_VOLATILE
3556 # Automake-level symbol: SOLARIS_NSCD_DOOR_SYSTEM_VOLATILE
3557 #
3558 AC_MSG_CHECKING([for nscd door location (Solaris-specific)])
3559 if test -e /system/volatile/name_service_door; then
3560 solaris_nscd_door_system_volatile=yes
3561 AC_MSG_RESULT([/system/volatile/name_service_door])
3562 AC_DEFINE([SOLARIS_NSCD_DOOR_SYSTEM_VOLATILE], 1,
3563 [Define to 1 if nscd attaches to /system/volatile/name_service_door.])
3564 else
3565 solaris_nscd_door_system_volatile=no
3566 AC_MSG_RESULT([/var/run/name_service_door])
3567 fi
3568 AM_CONDITIONAL(SOLARIS_NSCD_DOOR_SYSTEM_VOLATILE, test x$solaris_nscd_door_system_volatile = xyes)
3571 # Solaris-specific check determining if the new gethrt() fasttrap is available.
3572 #
3573 # New fasttrap (available on Solaris 11):
3574 # hrt_t *gethrt(void);
3575 #
3576 # C-level symbol: SOLARIS_GETHRT_FASTTRAP
3577 # Automake-level symbol: SOLARIS_GETHRT_FASTTRAP
3578 #
3579 AC_MSG_CHECKING([for the new `gethrt' fasttrap (Solaris-specific)])
3580 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3581 #include <sys/trap.h>
3582 ]], [[
3583 return !T_GETHRT;
3584 ]])], [
3585 solaris_gethrt_fasttrap=yes
3586 AC_MSG_RESULT([yes])
3587 AC_DEFINE([SOLARIS_GETHRT_FASTTRAP], 1,
3588 [Define to 1 if you have the new `gethrt' fasttrap.])
3589 ], [
3590 solaris_gethrt_fasttrap=no
3591 AC_MSG_RESULT([no])
3592 ])
3593 AM_CONDITIONAL(SOLARIS_GETHRT_FASTTRAP, test x$solaris_gethrt_fasttrap = xyes)
3596 # Solaris-specific check determining if the new get_zone_offset() fasttrap
3597 # is available.
3598 #
3599 # New fasttrap (available on Solaris 11):
3600 # zonehrtoffset_t *get_zone_offset(void);
3601 #
3602 # C-level symbol: SOLARIS_GETZONEOFFSET_FASTTRAP
3603 # Automake-level symbol: SOLARIS_GETZONEOFFSET_FASTTRAP
3604 #
3605 AC_MSG_CHECKING([for the new `get_zone_offset' fasttrap (Solaris-specific)])
3606 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3607 #include <sys/trap.h>
3608 ]], [[
3609 return !T_GETZONEOFFSET;
3610 ]])], [
3611 solaris_getzoneoffset_fasttrap=yes
3612 AC_MSG_RESULT([yes])
3613 AC_DEFINE([SOLARIS_GETZONEOFFSET_FASTTRAP], 1,
3614 [Define to 1 if you have the new `get_zone_offset' fasttrap.])
3615 ], [
3616 solaris_getzoneoffset_fasttrap=no
3617 AC_MSG_RESULT([no])
3618 ])
3619 AM_CONDITIONAL(SOLARIS_GETZONEOFFSET_FASTTRAP, test x$solaris_getzoneoffset_fasttrap = xyes)
3622 # Solaris-specific check determining if the execve() syscall
3623 # takes fourth argument (flags) or not.
3624 #
3625 # Old syscall (available on illumos):
3626 # int execve(const char *fname, const char **argv, const char **envp);
3627 #
3628 # New syscall (available on Solaris):
3629 # int execve(uintptr_t file, const char **argv, const char **envp, int flags);
3630 #
3631 # If the new syscall is present then it will fail with EINVAL (because flags
3632 # are invalid); if the old syscall is available then it will fail with ENOENT
3633 # (because the file could not be found).
3634 #
3635 # C-level symbol: SOLARIS_EXECVE_SYSCALL_TAKES_FLAGS
3636 # Automake-level symbol: SOLARIS_EXECVE_SYSCALL_TAKES_FLAGS
3637 #
3638 AC_MSG_CHECKING([if the `execve' syscall accepts flags (Solaris-specific)])
3639 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
3640 #include <sys/syscall.h>
3641 #include <errno.h>
3642 ]], [[
3643 errno = 0;
3644 syscall(SYS_execve, "/no/existing/path", 0, 0, 0xdeadbeef, 0, 0);
3645 return !(errno == EINVAL);
3646 ]])], [
3647 solaris_execve_syscall_takes_flags=yes
3648 AC_MSG_RESULT([yes])
3649 AC_DEFINE([SOLARIS_EXECVE_SYSCALL_TAKES_FLAGS], 1,
3650 [Define to 1 if you have the new `execve' syscall which accepts flags.])
3651 ], [
3652 solaris_execve_syscall_takes_flags=no
3653 AC_MSG_RESULT([no])
3654 ])
3655 AM_CONDITIONAL(SOLARIS_EXECVE_SYSCALL_TAKES_FLAGS,
3656 test x$solaris_execve_syscall_takes_flags = xyes)
3659 # Solaris-specific check determining version of the repository cache protocol.
3660 # Every Solaris version uses a different one, ranging from 21 to current 25.
3661 # The check is very ugly, though.
3662 #
3663 # C-level symbol: SOLARIS_REPCACHE_PROTOCOL_VERSION vv
3664 # Automake-level symbol: none
3665 #
3666 AC_PATH_PROG(DIS_PATH, dis, false)
3667 if test "x$DIS_PATH" = "xfalse"; then
3668 AC_MSG_FAILURE([Object code disassembler (`dis') not found.])
3669 fi
3670 AC_CHECK_LIB(scf, scf_handle_bind, [], [
3671 AC_MSG_WARN([Function `scf_handle_bind' was not found in `libscf'.])
3672 AC_MSG_ERROR([Cannot determine version of the repository cache protocol.])
3673 ])
3675 AC_MSG_CHECKING([for version of the repository cache protocol (Solaris-specific)])
3676 if test "X$VGCONF_ARCH_PRI" = "Xamd64"; then
3677 libscf=/usr/lib/64/libscf.so.1
3678 else
3679 libscf=/usr/lib/libscf.so.1
3680 fi
3681 if ! $DIS_PATH -F scf_handle_bind $libscf | grep -q 0x526570; then
3682 AC_MSG_WARN([Function `scf_handle_bind' does not contain repository cache protocol version.])
3683 AC_MSG_ERROR([Cannot determine version of the repository cache protocol.])
3684 fi
3685 hex=$( $DIS_PATH -F scf_handle_bind $libscf | sed -n 's/.*0x526570\(..\).*/\1/p' )
3686 if test -z "$hex"; then
3687 AC_MSG_WARN([Version of the repository cache protocol is empty?!])
3688 AC_MSG_ERROR([Cannot determine version of the repository cache protocol.])
3689 fi
3690 version=$( printf "%d\n" 0x$hex )
3691 AC_MSG_RESULT([$version])
3692 AC_DEFINE_UNQUOTED([SOLARIS_REPCACHE_PROTOCOL_VERSION], [$version],
3693 [Version number of the repository door cache protocol.])
3696 # Solaris-specific check determining if "sysstat" segment reservation type
3697 # is available.
3698 #
3699 # New "sysstat" segment reservation (available on Solaris 11.4):
3700 # - program header type: PT_SUNW_SYSSTAT
3701 # - auxiliary vector entry: AT_SUN_SYSSTAT_ADDR
3702 #
3703 # C-level symbol: SOLARIS_RESERVE_SYSSTAT_ADDR
3704 # Automake-level symbol: SOLARIS_RESERVE_SYSSTAT_ADDR
3705 #
3706 AC_MSG_CHECKING([for the new `sysstat' segment reservation (Solaris-specific)])
3707 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3708 #include <sys/auxv.h>
3709 ]], [[
3710 return !AT_SUN_SYSSTAT_ADDR;
3711 ]])], [
3712 solaris_reserve_sysstat_addr=yes
3713 AC_MSG_RESULT([yes])
3714 AC_DEFINE([SOLARIS_RESERVE_SYSSTAT_ADDR], 1,
3715 [Define to 1 if you have the new `sysstat' segment reservation.])
3716 ], [
3717 solaris_reserve_sysstat_addr=no
3718 AC_MSG_RESULT([no])
3719 ])
3720 AM_CONDITIONAL(SOLARIS_RESERVE_SYSSTAT_ADDR, test x$solaris_reserve_sysstat_addr = xyes)
3723 # Solaris-specific check determining if "sysstat_zone" segment reservation type
3724 # is available.
3725 #
3726 # New "sysstat_zone" segment reservation (available on Solaris 11.4):
3727 # - program header type: PT_SUNW_SYSSTAT_ZONE
3728 # - auxiliary vector entry: AT_SUN_SYSSTAT_ZONE_ADDR
3729 #
3730 # C-level symbol: SOLARIS_RESERVE_SYSSTAT_ZONE_ADDR
3731 # Automake-level symbol: SOLARIS_RESERVE_SYSSTAT_ZONE_ADDR
3732 #
3733 AC_MSG_CHECKING([for the new `sysstat_zone' segment reservation (Solaris-specific)])
3734 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3735 #include <sys/auxv.h>
3736 ]], [[
3737 return !AT_SUN_SYSSTAT_ZONE_ADDR;
3738 ]])], [
3739 solaris_reserve_sysstat_zone_addr=yes
3740 AC_MSG_RESULT([yes])
3741 AC_DEFINE([SOLARIS_RESERVE_SYSSTAT_ZONE_ADDR], 1,
3742 [Define to 1 if you have the new `sysstat_zone' segment reservation.])
3743 ], [
3744 solaris_reserve_sysstat_zone_addr=no
3745 AC_MSG_RESULT([no])
3746 ])
3747 AM_CONDITIONAL(SOLARIS_RESERVE_SYSSTAT_ZONE_ADDR, test x$solaris_reserve_sysstat_zone_addr = xyes)
3750 # Solaris-specific check determining if the system_stats() syscall is available
3751 # (on newer Solaris).
3752 #
3753 # C-level symbol: SOLARIS_SYSTEM_STATS_SYSCALL
3754 # Automake-level symbol: SOLARIS_SYSTEM_STATS_SYSCALL
3755 #
3756 AC_MSG_CHECKING([for the `system_stats' syscall (Solaris-specific)])
3757 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3758 #include <sys/syscall.h>
3759 ]], [[
3760 return !SYS_system_stats;
3761 ]])], [
3762 solaris_system_stats_syscall=yes
3763 AC_MSG_RESULT([yes])
3764 AC_DEFINE([SOLARIS_SYSTEM_STATS_SYSCALL], 1,
3765 [Define to 1 if you have the `system_stats' syscall.])
3766 ], [
3767 solaris_system_stats_syscall=no
3768 AC_MSG_RESULT([no])
3769 ])
3770 AM_CONDITIONAL(SOLARIS_SYSTEM_STATS_SYSCALL, test x$solaris_system_stats_syscall = xyes)
3773 # Solaris-specific check determining if fpregset_t defines struct _fpchip_state
3774 # (on newer illumos) or struct fpchip_state (Solaris, older illumos).
3775 #
3776 # C-level symbol: SOLARIS_FPCHIP_STATE_TAKES_UNDERSCORE
3777 # Automake-level symbol: none
3778 #
3779 AC_CHECK_TYPE([struct _fpchip_state],
3780 [solaris_fpchip_state_takes_underscore=yes],
3781 [solaris_fpchip_state_takes_underscore=no],
3782 [[#include <sys/regset.h>]])
3783 if test "$solaris_fpchip_state_takes_underscore" = "yes"; then
3784 AC_DEFINE(SOLARIS_FPCHIP_STATE_TAKES_UNDERSCORE, 1,
3785 [Define to 1 if fpregset_t defines struct _fpchip_state])
3786 fi
3789 # Solaris-specific check determining if schedctl page shared between kernel
3790 # and userspace program is executable (illumos, older Solaris) or not (newer
3791 # Solaris).
3792 #
3793 # C-level symbol: SOLARIS_SCHEDCTL_PAGE_EXEC
3794 # Automake-level symbol: none
3795 #
3796 AC_MSG_CHECKING([if schedctl page is executable (Solaris-specific)])
3797 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
3798 #include <assert.h>
3799 #include <fcntl.h>
3800 #include <procfs.h>
3801 #include <schedctl.h>
3802 #include <stdio.h>
3803 #include <unistd.h>
3804 ]], [[
3805 schedctl_t *scp = schedctl_init();
3806 if (scp == NULL)
3807 return 1;
3809 int fd = open("/proc/self/map", O_RDONLY);
3810 assert(fd >= 0);
3812 prmap_t map;
3813 ssize_t rd;
3814 while ((rd = read(fd, &map, sizeof(map))) == sizeof(map)) {
3815 if (map.pr_vaddr == ((uintptr_t) scp & PAGEMASK)) {
3816 fprintf(stderr, "%#lx [%zu] %s\n", map.pr_vaddr, map.pr_size,
3817 (map.pr_mflags & MA_EXEC) ? "x" : "no-x");
3818 return (map.pr_mflags & MA_EXEC);
3819 }
3820 }
3822 return 1;
3823 ]])], [
3824 solaris_schedctl_page_exec=no
3825 AC_MSG_RESULT([no])
3826 ], [
3827 solaris_schedctl_page_exec=yes
3828 AC_MSG_RESULT([yes])
3829 AC_DEFINE([SOLARIS_SCHEDCTL_PAGE_EXEC], 1,
3830 [Define to 1 if you have the schedctl page executable.])
3831 ])
3834 # Solaris-specific check determining if PT_SUNWDTRACE program header provides
3835 # scratch space for DTrace fasttrap provider (illumos, older Solaris) or just
3836 # an initial thread pointer for libc (newer Solaris).
3837 #
3838 # C-level symbol: SOLARIS_PT_SUNDWTRACE_THRP
3839 # Automake-level symbol: none
3840 #
3841 AC_MSG_CHECKING([if PT_SUNWDTRACE serves for initial thread pointer (Solaris-specific)])
3842 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
3843 #include <sys/fasttrap_isa.h>
3844 ]], [[
3845 return !FT_SCRATCHSIZE;
3846 ]])], [
3847 solaris_pt_sunwdtrace_thrp=yes
3848 AC_MSG_RESULT([yes])
3849 AC_DEFINE([SOLARIS_PT_SUNDWTRACE_THRP], 1,
3850 [Define to 1 if PT_SUNWDTRACE program header provides just an initial thread pointer for libc.])
3851 ], [
3852 solaris_pt_sunwdtrace_thrp=no
3853 AC_MSG_RESULT([no])
3854 ])
3856 else
3857 AM_CONDITIONAL(SOLARIS_SUN_STUDIO_AS, false)
3858 AM_CONDITIONAL(SOLARIS_XPG_SYMBOLS_PRESENT, false)
3859 AM_CONDITIONAL(SOLARIS_PROC_CMDLINE, false)
3860 AM_CONDITIONAL(SOLARIS_OLD_SYSCALLS, false)
3861 AM_CONDITIONAL(SOLARIS_LWP_SIGQUEUE_SYSCALL, false)
3862 AM_CONDITIONAL(SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID, false)
3863 AM_CONDITIONAL(SOLARIS_LWP_NAME_SYSCALL, false)
3864 AM_CONDITIONAL(SOLARIS_GETRANDOM_SYSCALL, false)
3865 AM_CONDITIONAL(SOLARIS_ZONE_DEFUNCT, false)
3866 AM_CONDITIONAL(SOLARIS_AUDITON_STAT, false)
3867 AM_CONDITIONAL(SOLARIS_SHM_NEW, false)
3868 AM_CONDITIONAL(SOLARIS_PRXREGSET_T, false)
3869 AM_CONDITIONAL(SOLARIS_FREALPATHAT_SYSCALL, false)
3870 AM_CONDITIONAL(SOLARIS_UUIDSYS_SYSCALL, false)
3871 AM_CONDITIONAL(SOLARIS_TNDB_GET_TNIP, false)
3872 AM_CONDITIONAL(SOLARIS_TSOL_CLEARANCE, false)
3873 AM_CONDITIONAL(SOLARIS_PSET_GET_NAME, false)
3874 AM_CONDITIONAL(SOLARIS_UTIMESYS_SYSCALL, false)
3875 AM_CONDITIONAL(SOLARIS_UTIMENSAT_SYSCALL, false)
3876 AM_CONDITIONAL(SOLARIS_SPAWN_SYSCALL, false)
3877 AM_CONDITIONAL(SOLARIS_MODCTL_MODNVL, false)
3878 AM_CONDITIONAL(SOLARIS_NSCD_DOOR_SYSTEM_VOLATILE, false)
3879 AM_CONDITIONAL(SOLARIS_GETHRT_FASTTRAP, false)
3880 AM_CONDITIONAL(SOLARIS_GETZONEOFFSET_FASTTRAP, false)
3881 AM_CONDITIONAL(SOLARIS_EXECVE_SYSCALL_TAKES_FLAGS, false)
3882 AM_CONDITIONAL(SOLARIS_RESERVE_SYSSTAT_ADDR, false)
3883 AM_CONDITIONAL(SOLARIS_RESERVE_SYSSTAT_ZONE_ADDR, false)
3884 AM_CONDITIONAL(SOLARIS_SYSTEM_STATS_SYSCALL, false)
3885 fi # test "$VGCONF_OS" = "solaris"
3888 #----------------------------------------------------------------------------
3889 # Checks for C header files.
3890 #----------------------------------------------------------------------------
3892 AC_HEADER_STDC
3893 AC_CHECK_HEADERS([ \
3894 asm/unistd.h \
3895 endian.h \
3896 mqueue.h \
3897 sys/endian.h \
3898 sys/epoll.h \
3899 sys/eventfd.h \
3900 sys/klog.h \
3901 sys/poll.h \
3902 sys/prctl.h \
3903 sys/signal.h \
3904 sys/signalfd.h \
3905 sys/syscall.h \
3906 sys/sysnvl.h \
3907 sys/time.h \
3908 sys/types.h \
3909 ])
3911 # Verify whether the <linux/futex.h> header is usable.
3912 AC_MSG_CHECKING([if <linux/futex.h> is usable])
3914 save_CFLAGS="$CFLAGS"
3915 CFLAGS="$CFLAGS -D__user="
3916 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3917 #include <linux/futex.h>
3918 ]], [[
3919 return FUTEX_WAIT;
3920 ]])], [
3921 ac_have_usable_linux_futex_h=yes
3922 AC_DEFINE([HAVE_USABLE_LINUX_FUTEX_H], 1,
3923 [Define to 1 if you have a usable <linux/futex.h> header file.])
3924 AC_MSG_RESULT([yes])
3925 ], [
3926 ac_have_usable_linux_futex_h=no
3927 AC_MSG_RESULT([no])
3928 ])
3929 CFLAGS="$save_CFLAGS"
3932 #----------------------------------------------------------------------------
3933 # Checks for typedefs, structures, and compiler characteristics.
3934 #----------------------------------------------------------------------------
3935 AC_TYPE_UID_T
3936 AC_TYPE_OFF_T
3937 AC_TYPE_SIZE_T
3938 AC_HEADER_TIME
3941 #----------------------------------------------------------------------------
3942 # Checks for library functions.
3943 #----------------------------------------------------------------------------
3944 AC_FUNC_MEMCMP
3945 AC_FUNC_MMAP
3947 AC_CHECK_LIB([pthread], [pthread_create])
3948 AC_CHECK_LIB([rt], [clock_gettime])
3950 AC_CHECK_FUNCS([ \
3951 clock_gettime\
3952 epoll_create \
3953 epoll_pwait \
3954 klogctl \
3955 mallinfo \
3956 memchr \
3957 memset \
3958 mkdir \
3959 mremap \
3960 ppoll \
3961 pthread_barrier_init \
3962 pthread_condattr_setclock \
3963 pthread_mutex_timedlock \
3964 pthread_rwlock_timedrdlock \
3965 pthread_rwlock_timedwrlock \
3966 pthread_spin_lock \
3967 pthread_yield \
3968 pthread_setname_np \
3969 readlinkat \
3970 semtimedop \
3971 signalfd \
3972 sigwaitinfo \
3973 strchr \
3974 strdup \
3975 strpbrk \
3976 strrchr \
3977 strstr \
3978 syscall \
3979 utimensat \
3980 process_vm_readv \
3981 process_vm_writev \
3982 ])
3984 # AC_CHECK_LIB adds any library found to the variable LIBS, and links these
3985 # libraries with any shared object and/or executable. This is NOT what we
3986 # want for e.g. vgpreload_core-x86-linux.so
3987 LIBS=""
3989 AM_CONDITIONAL([HAVE_PTHREAD_BARRIER],
3990 [test x$ac_cv_func_pthread_barrier_init = xyes])
3991 AM_CONDITIONAL([HAVE_PTHREAD_MUTEX_TIMEDLOCK],
3992 [test x$ac_cv_func_pthread_mutex_timedlock = xyes])
3993 AM_CONDITIONAL([HAVE_PTHREAD_SPINLOCK],
3994 [test x$ac_cv_func_pthread_spin_lock = xyes])
3995 AM_CONDITIONAL([HAVE_PTHREAD_SETNAME_NP],
3996 [test x$ac_cv_func_pthread_setname_np = xyes])
3998 if test x$VGCONF_PLATFORM_PRI_CAPS = xMIPS32_LINUX \
3999 -o x$VGCONF_PLATFORM_PRI_CAPS = xMIPS64_LINUX ; then
4000 AC_DEFINE([DISABLE_PTHREAD_SPINLOCK_INTERCEPT], 1,
4001 [Disable intercept pthread_spin_lock() on MIPS32 and MIPS64.])
4002 fi
4004 #----------------------------------------------------------------------------
4005 # MPI checks
4006 #----------------------------------------------------------------------------
4007 # Do we have a useable MPI setup on the primary and/or secondary targets?
4008 # On Linux, by default, assumes mpicc and -m32/-m64
4009 # Note: this is a kludge in that it assumes the specified mpicc
4010 # understands -m32/-m64 regardless of what is specified using
4011 # --with-mpicc=.
4012 AC_PATH_PROG([MPI_CC], [mpicc], [mpicc],
4013 [$PATH:/usr/lib/openmpi/bin:/usr/lib64/openmpi/bin])
4015 mflag_primary=
4016 if test x$VGCONF_PLATFORM_PRI_CAPS = xX86_LINUX \
4017 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC32_LINUX \
4018 -o x$VGCONF_PLATFORM_PRI_CAPS = xARM_LINUX \
4019 -o x$VGCONF_PLATFORM_PRI_CAPS = xMIPS32_LINUX \
4020 -o x$VGCONF_PLATFORM_PRI_CAPS = xX86_SOLARIS ; then
4021 mflag_primary=$FLAG_M32
4022 elif test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_LINUX \
4023 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC64_LINUX \
4024 -o x$VGCONF_PLATFORM_PRI_CAPS = xARM64_LINUX \
4025 -o x$VGCONF_PLATFORM_PRI_CAPS = xMIPS64_LINUX \
4026 -o x$VGCONF_PLATFORM_PRI_CAPS = xS390X_LINUX ; then
4027 mflag_primary=$FLAG_M64
4028 elif test x$VGCONF_PLATFORM_PRI_CAPS = xX86_DARWIN ; then
4029 mflag_primary="$FLAG_M32 -arch i386"
4030 elif test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_DARWIN ; then
4031 mflag_primary="$FLAG_M64 -arch x86_64"
4032 fi
4034 mflag_secondary=
4035 if test x$VGCONF_PLATFORM_SEC_CAPS = xX86_LINUX \
4036 -o x$VGCONF_PLATFORM_SEC_CAPS = xPPC32_LINUX \
4037 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_SOLARIS \
4038 -o x$VGCONF_PLATFORM_SEC_CAPS = xMIPS32_LINUX ; then
4039 mflag_secondary=$FLAG_M32
4040 elif test x$VGCONF_PLATFORM_SEC_CAPS = xX86_DARWIN ; then
4041 mflag_secondary="$FLAG_M32 -arch i386"
4042 fi
4045 AC_ARG_WITH(mpicc,
4046 [ --with-mpicc= Specify name of MPI2-ised C compiler],
4047 MPI_CC=$withval
4048 )
4049 AC_SUBST(MPI_CC)
4051 ## We AM_COND_IF here instead of automake "if" in mpi/Makefile.am so that we can
4052 ## use these values in the check for a functioning mpicc.
4053 ##
4054 ## We leave the MPI_FLAG_M3264_ logic in mpi/Makefile.am and assume that
4055 ## mflag_primary/mflag_secondary are sufficient approximations of that behavior
4056 AM_COND_IF([VGCONF_OS_IS_LINUX],
4057 [CFLAGS_MPI="-g -O -fno-omit-frame-pointer -Wall -fpic"
4058 LDFLAGS_MPI="-fpic -shared"])
4059 AM_COND_IF([VGCONF_OS_IS_DARWIN],
4060 [CFLAGS_MPI="-g -O -fno-omit-frame-pointer -Wall -dynamic"
4061 LDFLAGS_MPI="-dynamic -dynamiclib -all_load"])
4062 AM_COND_IF([VGCONF_OS_IS_SOLARIS],
4063 [CFLAGS_MPI="-g -O -fno-omit-frame-pointer -Wall -fpic"
4064 LDFLAGS_MPI="-fpic -shared"])
4066 AC_SUBST([CFLAGS_MPI])
4067 AC_SUBST([LDFLAGS_MPI])
4070 ## See if MPI_CC works for the primary target
4071 ##
4072 AC_MSG_CHECKING([primary target for usable MPI2-compliant C compiler and mpi.h])
4073 saved_CC=$CC
4074 saved_CFLAGS=$CFLAGS
4075 CC=$MPI_CC
4076 CFLAGS="$CFLAGS_MPI $mflag_primary"
4077 saved_LDFLAGS="$LDFLAGS"
4078 LDFLAGS="$LDFLAGS_MPI $mflag_primary"
4079 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
4080 #include <mpi.h>
4081 #include <stdio.h>
4082 ]], [[
4083 int ni, na, nd, comb;
4084 int r = MPI_Init(NULL,NULL);
4085 r |= MPI_Type_get_envelope( MPI_INT, &ni, &na, &nd, &comb );
4086 r |= MPI_Finalize();
4087 return r;
4088 ]])], [
4089 ac_have_mpi2_pri=yes
4090 AC_MSG_RESULT([yes, $MPI_CC])
4091 ], [
4092 ac_have_mpi2_pri=no
4093 AC_MSG_RESULT([no])
4094 ])
4095 CC=$saved_CC
4096 CFLAGS=$saved_CFLAGS
4097 LDFLAGS="$saved_LDFLAGS"
4098 AM_CONDITIONAL(BUILD_MPIWRAP_PRI, test x$ac_have_mpi2_pri = xyes)
4100 ## See if MPI_CC works for the secondary target. Complication: what if
4101 ## there is no secondary target? We need this to then fail.
4102 ## Kludge this by making MPI_CC something which will surely fail in
4103 ## such a case.
4104 ##
4105 AC_MSG_CHECKING([secondary target for usable MPI2-compliant C compiler and mpi.h])
4106 saved_CC=$CC
4107 saved_CFLAGS=$CFLAGS
4108 saved_LDFLAGS="$LDFLAGS"
4109 LDFLAGS="$LDFLAGS_MPI $mflag_secondary"
4110 if test x$VGCONF_PLATFORM_SEC_CAPS = x ; then
4111 CC="$MPI_CC this will surely fail"
4112 else
4113 CC=$MPI_CC
4114 fi
4115 CFLAGS="$CFLAGS_MPI $mflag_secondary"
4116 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
4117 #include <mpi.h>
4118 #include <stdio.h>
4119 ]], [[
4120 int ni, na, nd, comb;
4121 int r = MPI_Init(NULL,NULL);
4122 r |= MPI_Type_get_envelope( MPI_INT, &ni, &na, &nd, &comb );
4123 r |= MPI_Finalize();
4124 return r;
4125 ]])], [
4126 ac_have_mpi2_sec=yes
4127 AC_MSG_RESULT([yes, $MPI_CC])
4128 ], [
4129 ac_have_mpi2_sec=no
4130 AC_MSG_RESULT([no])
4131 ])
4132 CC=$saved_CC
4133 CFLAGS=$saved_CFLAGS
4134 LDFLAGS="$saved_LDFLAGS"
4135 AM_CONDITIONAL(BUILD_MPIWRAP_SEC, test x$ac_have_mpi2_sec = xyes)
4138 #----------------------------------------------------------------------------
4139 # Other library checks
4140 #----------------------------------------------------------------------------
4141 # There now follow some tests for Boost, and OpenMP. These
4142 # tests are present because Drd has some regression tests that use
4143 # these packages. All regression test programs all compiled only
4144 # for the primary target. And so it is important that the configure
4145 # checks that follow, use the correct -m32 or -m64 flag for the
4146 # primary target (called $mflag_primary). Otherwise, we can end up
4147 # in a situation (eg) where, on amd64-linux, the test for Boost checks
4148 # for usable 64-bit Boost facilities, but because we are doing a 32-bit
4149 # only build (meaning, the primary target is x86-linux), the build
4150 # of the regtest programs that use Boost fails, because they are
4151 # build as 32-bit (IN THIS EXAMPLE).
4152 #
4153 # Hence: ALWAYS USE $mflag_primary FOR CONFIGURE TESTS FOR FACILITIES
4154 # NEEDED BY THE REGRESSION TEST PROGRAMS.
4157 # Check whether the boost library 1.35 or later has been installed.
4158 # The Boost.Threads library has undergone a major rewrite in version 1.35.0.
4160 AC_MSG_CHECKING([for boost])
4162 AC_LANG(C++)
4163 safe_CXXFLAGS=$CXXFLAGS
4164 CXXFLAGS="$mflag_primary"
4165 safe_LIBS="$LIBS"
4166 LIBS="-lboost_thread-mt -lboost_system-mt $LIBS"
4168 AC_LINK_IFELSE([AC_LANG_SOURCE([
4169 #include <boost/thread.hpp>
4170 static void thread_func(void)
4171 { }
4172 int main(int argc, char** argv)
4173 {
4174 boost::thread t(thread_func);
4175 return 0;
4176 }
4177 ])],
4178 [
4179 ac_have_boost_1_35=yes
4180 AC_SUBST([BOOST_CFLAGS], [])
4181 AC_SUBST([BOOST_LIBS], ["-lboost_thread-mt -lboost_system-mt"])
4182 AC_MSG_RESULT([yes])
4183 ], [
4184 ac_have_boost_1_35=no
4185 AC_MSG_RESULT([no])
4186 ])
4188 LIBS="$safe_LIBS"
4189 CXXFLAGS=$safe_CXXFLAGS
4190 AC_LANG(C)
4192 AM_CONDITIONAL([HAVE_BOOST_1_35], [test x$ac_have_boost_1_35 = xyes])
4195 # does this compiler support -fopenmp, does it have the include file
4196 # <omp.h> and does it have libgomp ?
4198 AC_MSG_CHECKING([for OpenMP])
4200 safe_CFLAGS=$CFLAGS
4201 CFLAGS="-fopenmp $mflag_primary -Werror"
4203 AC_LINK_IFELSE([AC_LANG_SOURCE([
4204 #include <omp.h>
4205 int main(int argc, char** argv)
4206 {
4207 omp_set_dynamic(0);
4208 return 0;
4209 }
4210 ])],
4211 [
4212 ac_have_openmp=yes
4213 AC_MSG_RESULT([yes])
4214 ], [
4215 ac_have_openmp=no
4216 AC_MSG_RESULT([no])
4217 ])
4218 CFLAGS=$safe_CFLAGS
4220 AM_CONDITIONAL([HAVE_OPENMP], [test x$ac_have_openmp = xyes])
4223 # Check for __builtin_popcount
4224 AC_MSG_CHECKING([for __builtin_popcount()])
4225 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
4226 ]], [[
4227 __builtin_popcount(2);
4228 return 0;
4229 ]])], [
4230 AC_MSG_RESULT([yes])
4231 AC_DEFINE([HAVE_BUILTIN_POPCOUT], 1,
4232 [Define to 1 if compiler provides __builtin_popcount().])
4233 ], [
4234 AC_MSG_RESULT([no])
4235 ])
4237 # Check for __builtin_clz
4238 AC_MSG_CHECKING([for __builtin_clz()])
4239 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
4240 ]], [[
4241 __builtin_clz(2);
4242 return 0;
4243 ]])], [
4244 AC_MSG_RESULT([yes])
4245 AC_DEFINE([HAVE_BUILTIN_CLZ], 1,
4246 [Define to 1 if compiler provides __builtin_clz().])
4247 ], [
4248 AC_MSG_RESULT([no])
4249 ])
4251 # Check for __builtin_ctz
4252 AC_MSG_CHECKING([for __builtin_ctz()])
4253 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
4254 ]], [[
4255 __builtin_ctz(2);
4256 return 0;
4257 ]])], [
4258 AC_MSG_RESULT([yes])
4259 AC_DEFINE([HAVE_BUILTIN_CTZ], 1,
4260 [Define to 1 if compiler provides __builtin_ctz().])
4261 ], [
4262 AC_MSG_RESULT([no])
4263 ])
4265 # does this compiler have built-in functions for atomic memory access for the
4266 # primary target ?
4267 AC_MSG_CHECKING([if gcc supports __sync_add_and_fetch for the primary target])
4269 safe_CFLAGS=$CFLAGS
4270 CFLAGS="$mflag_primary"
4272 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
4273 int variable = 1;
4274 return (__sync_bool_compare_and_swap(&variable, 1, 2)
4275 && __sync_add_and_fetch(&variable, 1) ? 1 : 0)
4276 ]])], [
4277 ac_have_builtin_atomic_primary=yes
4278 AC_MSG_RESULT([yes])
4279 AC_DEFINE(HAVE_BUILTIN_ATOMIC, 1, [Define to 1 if gcc supports __sync_bool_compare_and_swap() and __sync_add_and_fetch() for the primary target])
4280 ], [
4281 ac_have_builtin_atomic_primary=no
4282 AC_MSG_RESULT([no])
4283 ])
4285 CFLAGS=$safe_CFLAGS
4287 AM_CONDITIONAL([HAVE_BUILTIN_ATOMIC],
4288 [test x$ac_have_builtin_atomic_primary = xyes])
4291 # does this compiler have built-in functions for atomic memory access for the
4292 # secondary target ?
4294 if test x$VGCONF_PLATFORM_SEC_CAPS != x; then
4296 AC_MSG_CHECKING([if gcc supports __sync_add_and_fetch for the secondary target])
4298 safe_CFLAGS=$CFLAGS
4299 CFLAGS="$mflag_secondary"
4301 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
4302 int variable = 1;
4303 return (__sync_add_and_fetch(&variable, 1) ? 1 : 0)
4304 ]])], [
4305 ac_have_builtin_atomic_secondary=yes
4306 AC_MSG_RESULT([yes])
4307 ], [
4308 ac_have_builtin_atomic_secondary=no
4309 AC_MSG_RESULT([no])
4310 ])
4312 CFLAGS=$safe_CFLAGS
4314 fi
4316 AM_CONDITIONAL([HAVE_BUILTIN_ATOMIC_SECONDARY],
4317 [test x$ac_have_builtin_atomic_secondary = xyes])
4319 # does this compiler have built-in functions for atomic memory access on
4320 # 64-bit integers for all targets ?
4322 AC_MSG_CHECKING([if gcc supports __sync_add_and_fetch on uint64_t for all targets])
4324 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
4325 #include <stdint.h>
4326 ]], [[
4327 uint64_t variable = 1;
4328 return __sync_add_and_fetch(&variable, 1)
4329 ]])], [
4330 ac_have_builtin_atomic64_primary=yes
4331 ], [
4332 ac_have_builtin_atomic64_primary=no
4333 ])
4335 if test x$VGCONF_PLATFORM_SEC_CAPS != x; then
4337 safe_CFLAGS=$CFLAGS
4338 CFLAGS="$mflag_secondary"
4340 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
4341 #include <stdint.h>
4342 ]], [[
4343 uint64_t variable = 1;
4344 return __sync_add_and_fetch(&variable, 1)
4345 ]])], [
4346 ac_have_builtin_atomic64_secondary=yes
4347 ], [
4348 ac_have_builtin_atomic64_secondary=no
4349 ])
4351 CFLAGS=$safe_CFLAGS
4353 fi
4355 if test x$ac_have_builtin_atomic64_primary = xyes && \
4356 test x$VGCONF_PLATFORM_SEC_CAPS = x \
4357 -o x$ac_have_builtin_atomic64_secondary = xyes; then
4358 AC_MSG_RESULT([yes])
4359 ac_have_builtin_atomic64=yes
4360 else
4361 AC_MSG_RESULT([no])
4362 ac_have_builtin_atomic64=no
4363 fi
4365 AM_CONDITIONAL([HAVE_BUILTIN_ATOMIC64],
4366 [test x$ac_have_builtin_atomic64 = xyes])
4369 # does g++ have built-in functions for atomic memory access ?
4370 AC_MSG_CHECKING([if g++ supports __sync_add_and_fetch])
4372 safe_CXXFLAGS=$CXXFLAGS
4373 CXXFLAGS="$mflag_primary"
4375 AC_LANG_PUSH(C++)
4376 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
4377 int variable = 1;
4378 return (__sync_bool_compare_and_swap(&variable, 1, 2)
4379 && __sync_add_and_fetch(&variable, 1) ? 1 : 0)
4380 ]])], [
4381 ac_have_builtin_atomic_cxx=yes
4382 AC_MSG_RESULT([yes])
4383 AC_DEFINE(HAVE_BUILTIN_ATOMIC_CXX, 1, [Define to 1 if g++ supports __sync_bool_compare_and_swap() and __sync_add_and_fetch()])
4384 ], [
4385 ac_have_builtin_atomic_cxx=no
4386 AC_MSG_RESULT([no])
4387 ])
4388 AC_LANG_POP(C++)
4390 CXXFLAGS=$safe_CXXFLAGS
4392 AM_CONDITIONAL([HAVE_BUILTIN_ATOMIC_CXX], [test x$ac_have_builtin_atomic_cxx = xyes])
4395 if test x$ac_have_usable_linux_futex_h = xyes \
4396 -a x$ac_have_builtin_atomic_primary = xyes; then
4397 ac_enable_linux_ticket_lock_primary=yes
4398 fi
4399 AM_CONDITIONAL([ENABLE_LINUX_TICKET_LOCK_PRIMARY],
4400 [test x$ac_enable_linux_ticket_lock_primary = xyes])
4402 if test x$VGCONF_PLATFORM_SEC_CAPS != x \
4403 -a x$ac_have_usable_linux_futex_h = xyes \
4404 -a x$ac_have_builtin_atomic_secondary = xyes; then
4405 ac_enable_linux_ticket_lock_secondary=yes
4406 fi
4407 AM_CONDITIONAL([ENABLE_LINUX_TICKET_LOCK_SECONDARY],
4408 [test x$ac_enable_linux_ticket_lock_secondary = xyes])
4411 # does libstdc++ support annotating shared pointers ?
4412 AC_MSG_CHECKING([if libstdc++ supports annotating shared pointers])
4414 safe_CXXFLAGS=$CXXFLAGS
4415 CXXFLAGS="-std=c++0x"
4417 AC_LANG_PUSH(C++)
4418 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
4419 #include <memory>
4420 ]], [[
4421 std::shared_ptr<int> p
4422 ]])], [
4423 ac_have_shared_ptr=yes
4424 ], [
4425 ac_have_shared_ptr=no
4426 ])
4427 if test x$ac_have_shared_ptr = xyes; then
4428 # If compilation of the program below fails because of a syntax error
4429 # triggered by substituting one of the annotation macros then that
4430 # means that libstdc++ supports these macros.
4431 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
4432 #define _GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(a) (a)----
4433 #define _GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(a) (a)----
4434 #include <memory>
4435 ]], [[
4436 std::shared_ptr<int> p
4437 ]])], [
4438 ac_have_shared_pointer_annotation=no
4439 AC_MSG_RESULT([no])
4440 ], [
4441 ac_have_shared_pointer_annotation=yes
4442 AC_MSG_RESULT([yes])
4443 AC_DEFINE(HAVE_SHARED_POINTER_ANNOTATION, 1,
4444 [Define to 1 if libstd++ supports annotating shared pointers])
4445 ])
4446 else
4447 ac_have_shared_pointer_annotation=no
4448 AC_MSG_RESULT([no])
4449 fi
4450 AC_LANG_POP(C++)
4452 CXXFLAGS=$safe_CXXFLAGS
4454 AM_CONDITIONAL([HAVE_SHARED_POINTER_ANNOTATION],
4455 [test x$ac_have_shared_pointer_annotation = xyes])
4458 #----------------------------------------------------------------------------
4459 # Ok. We're done checking.
4460 #----------------------------------------------------------------------------
4462 # Nb: VEX/Makefile is generated from Makefile.vex.in.
4463 AC_CONFIG_FILES([
4464 Makefile
4465 VEX/Makefile:Makefile.vex.in
4466 valgrind.spec
4467 valgrind.pc
4468 glibc-2.X.supp
4469 docs/Makefile
4470 tests/Makefile
4471 tests/vg_regtest
4472 perf/Makefile
4473 perf/vg_perf
4474 gdbserver_tests/Makefile
4475 gdbserver_tests/solaris/Makefile
4476 include/Makefile
4477 auxprogs/Makefile
4478 mpi/Makefile
4479 coregrind/Makefile
4480 memcheck/Makefile
4481 memcheck/tests/Makefile
4482 memcheck/tests/common/Makefile
4483 memcheck/tests/amd64/Makefile
4484 memcheck/tests/x86/Makefile
4485 memcheck/tests/linux/Makefile
4486 memcheck/tests/darwin/Makefile
4487 memcheck/tests/solaris/Makefile
4488 memcheck/tests/amd64-linux/Makefile
4489 memcheck/tests/arm64-linux/Makefile
4490 memcheck/tests/x86-linux/Makefile
4491 memcheck/tests/amd64-solaris/Makefile
4492 memcheck/tests/x86-solaris/Makefile
4493 memcheck/tests/ppc32/Makefile
4494 memcheck/tests/ppc64/Makefile
4495 memcheck/tests/s390x/Makefile
4496 memcheck/tests/mips32/Makefile
4497 memcheck/tests/mips64/Makefile
4498 memcheck/tests/vbit-test/Makefile
4499 cachegrind/Makefile
4500 cachegrind/tests/Makefile
4501 cachegrind/tests/x86/Makefile
4502 cachegrind/cg_annotate
4503 cachegrind/cg_diff
4504 callgrind/Makefile
4505 callgrind/callgrind_annotate
4506 callgrind/callgrind_control
4507 callgrind/tests/Makefile
4508 helgrind/Makefile
4509 helgrind/tests/Makefile
4510 massif/Makefile
4511 massif/tests/Makefile
4512 massif/ms_print
4513 lackey/Makefile
4514 lackey/tests/Makefile
4515 none/Makefile
4516 none/tests/Makefile
4517 none/tests/scripts/Makefile
4518 none/tests/amd64/Makefile
4519 none/tests/ppc32/Makefile
4520 none/tests/ppc64/Makefile
4521 none/tests/x86/Makefile
4522 none/tests/arm/Makefile
4523 none/tests/arm64/Makefile
4524 none/tests/s390x/Makefile
4525 none/tests/mips32/Makefile
4526 none/tests/mips64/Makefile
4527 none/tests/linux/Makefile
4528 none/tests/darwin/Makefile
4529 none/tests/solaris/Makefile
4530 none/tests/amd64-linux/Makefile
4531 none/tests/x86-linux/Makefile
4532 none/tests/amd64-darwin/Makefile
4533 none/tests/x86-darwin/Makefile
4534 none/tests/amd64-solaris/Makefile
4535 none/tests/x86-solaris/Makefile
4536 exp-sgcheck/Makefile
4537 exp-sgcheck/tests/Makefile
4538 drd/Makefile
4539 drd/scripts/download-and-build-splash2
4540 drd/tests/Makefile
4541 exp-bbv/Makefile
4542 exp-bbv/tests/Makefile
4543 exp-bbv/tests/x86/Makefile
4544 exp-bbv/tests/x86-linux/Makefile
4545 exp-bbv/tests/amd64-linux/Makefile
4546 exp-bbv/tests/ppc32-linux/Makefile
4547 exp-bbv/tests/arm-linux/Makefile
4548 exp-dhat/Makefile
4549 exp-dhat/tests/Makefile
4550 shared/Makefile
4551 solaris/Makefile
4552 ])
4553 AC_CONFIG_FILES([coregrind/link_tool_exe_linux],
4554 [chmod +x coregrind/link_tool_exe_linux])
4555 AC_CONFIG_FILES([coregrind/link_tool_exe_darwin],
4556 [chmod +x coregrind/link_tool_exe_darwin])
4557 AC_CONFIG_FILES([coregrind/link_tool_exe_solaris],
4558 [chmod +x coregrind/link_tool_exe_solaris])
4559 AC_OUTPUT
4561 cat<<EOF
4563 Maximum build arch: ${ARCH_MAX}
4564 Primary build arch: ${VGCONF_ARCH_PRI}
4565 Secondary build arch: ${VGCONF_ARCH_SEC}
4566 Build OS: ${VGCONF_OS}
4567 Primary build target: ${VGCONF_PLATFORM_PRI_CAPS}
4568 Secondary build target: ${VGCONF_PLATFORM_SEC_CAPS}
4569 Platform variant: ${VGCONF_PLATVARIANT}
4570 Primary -DVGPV string: -DVGPV_${VGCONF_ARCH_PRI}_${VGCONF_OS}_${VGCONF_PLATVARIANT}=1
4571 Default supp files: ${DEFAULT_SUPP}
4573 EOF