1 # Configure template for strace.
3 # Copyright (c) 1999-2001 Wichert Akkerman <wichert@deephackmode.org>
4 # Copyright (c) 2002-2009 Roland McGrath <roland@redhat.com>
5 # Copyright (c) 2006-2016 Dmitry V. Levin <ldv@altlinux.org>
6 # Copyright (c) 2008-2015 Mike Frysinger <vapier@gentoo.org>
7 # Copyright (c) 2015 Elvira Khabirova <lineprinter0@gmail.com>
10 # Redistribution and use in source and binary forms, with or without
11 # modification, are permitted provided that the following conditions
13 # 1. Redistributions of source code must retain the above copyright
14 # notice, this list of conditions and the following disclaimer.
15 # 2. Redistributions in binary form must reproduce the above copyright
16 # notice, this list of conditions and the following disclaimer in the
17 # documentation and/or other materials provided with the distribution.
18 # 3. The name of the author may not be used to endorse or promote products
19 # derived from this software without specific prior written permission.
21 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 m4_esyscmd([./git-version-gen .tarball-version]),
35 [strace-devel@lists.sourceforge.net])
36 AC_CONFIG_SRCDIR([strace.c])
37 AC_CONFIG_AUX_DIR([.])
38 AC_CONFIG_HEADERS([config.h])
39 AM_INIT_AUTOMAKE([foreign nostdinc dist-xz silent-rules parallel-tests])
40 AM_EXTRA_RECURSIVE_TARGETS([check-valgrind])
44 RPM_CHANGELOGTIME="$(LC_TIME=C date '+%a %b %d %Y')"
45 AC_SUBST(RPM_CHANGELOGTIME)
46 DEB_CHANGELOGTIME="$(LC_TIME=C date -R)"
47 AC_SUBST(DEB_CHANGELOGTIME)
56 AC_USE_SYSTEM_EXTENSIONS
59 AC_MSG_CHECKING([for supported architecture])
65 AC_DEFINE([BFIN], 1, [Define for the Blackfin architecture.])
69 AC_DEFINE([I386], 1, [Define for the i386 architecture.])
73 AC_DEFINE([IA64], 1, [Define for the IA64 architecture.])
77 AC_DEFINE([M68K], 1, [Define for the m68k architecture.])
82 AC_DEFINE([SPARC64], 1, [Define for the SPARC64 architecture.])
86 AC_DEFINE([SPARC], 1, [Define for the SPARC architecture.])
90 AC_DEFINE([METAG], 1, [Define for the Meta architecture.])
94 AC_DEFINE([MIPS], 1, [Define for the MIPS architecture.])
98 AC_DEFINE([ALPHA], 1, [Define for the Alpha architecture.])
101 AC_DEFINE([POWERPC], 1, [Define for the PowerPC architecture.])
105 #endif], [], arch=powerpc64, arch=powerpc)
106 if test "$arch" = "powerpc64"; then
108 AC_DEFINE([POWERPC64], 1, [Define for the PowerPC64 architecture.])
113 AC_DEFINE([ARM], 1, [Define for the ARM architecture.])
118 AC_DEFINE([AARCH64], 1, [Define for the AArch64 architecture.])
122 AC_DEFINE([AVR32], 1, [Define for the AVR32 architecture.])
126 AC_DEFINE([ARC], 1, [Define for the ARC architecture.])
130 AC_DEFINE([S390], 1, [Define for the S390 architecture.])
134 AC_DEFINE([S390X], 1, [Define for the S390x architecture.])
138 AC_DEFINE([HPPA], 1, [Define for the HPPA architecture.])
142 AC_DEFINE([SH64], 1, [Define for the SH64 architecture.])
146 AC_DEFINE([SH], 1, [Define for the SH architecture.])
153 #endif], [], arch=x32, arch=x86_64)
154 if test "$arch" = "x86_64"; then
156 AC_DEFINE([X86_64], 1, [Define for the 64bit AMD x86-64 architecture.])
158 AC_DEFINE([X32], 1, [Define for the 32bit AMD x86-64 architecture.])
163 AC_DEFINE([CRISV10], 1, [Define for the CRISv10 architecture.])
167 AC_DEFINE([CRISV32], 1, [Define for the CRISv32 architecture.])
171 AC_DEFINE([TILE], 1, [Define for the Tile architecture])
175 AC_DEFINE([MICROBLAZE], 1, [Define for the MicroBlaze architecture.])
179 AC_DEFINE([NIOS2], 1, [Define for the Nios-II architecture.])
184 AC_DEFINE([OR1K], 1, [Define for the OpenRISC 1000 architecture.])
189 AC_DEFINE([XTENSA], 1, [Define for the Xtensa architecture])
194 AC_DEFINE([RISCV], 1, [Define for the RISC-V architecture])
199 AC_MSG_ERROR([architecture $host_cpu is not supported by strace])
204 test -n "$arch_m32" ||
206 test -n "$arch_mx32" ||
213 if test "$arch" = mips; then
214 AC_CACHE_CHECK([for _MIPS_SIM], [st_cv__MIPS_SIM],
215 [AC_COMPUTE_INT([st_cv__MIPS_SIM], [_MIPS_SIM],
216 [#include <sgidefs.h>],
217 [AC_MSG_ERROR([_MIPS_SIM cannot be determined])])])
219 AC_CACHE_CHECK([for MIPS ABI], [st_cv_mips_abi],
221 [AC_LANG_PROGRAM([[#include <sgidefs.h>]],
222 [[int i[_MIPS_SIM == _MIPS_SIM_ABI32 ? 1 : - 1];]])],
223 [st_cv_mips_abi=o32],
225 [AC_LANG_PROGRAM([[#include <sgidefs.h>]],
226 [[int i[_MIPS_SIM == _MIPS_SIM_NABI32 ? 1 : - 1];]])],
227 [st_cv_mips_abi=n32],
229 [AC_LANG_PROGRAM([[#include <sgidefs.h>]],
230 [[int i[_MIPS_SIM == _MIPS_SIM_ABI64 ? 1 : - 1];]])],
231 [st_cv_mips_abi=n64],
232 [st_cv_mips_abi=unknown])])])])
234 case "$st_cv_mips_abi" in
235 o32) AC_DEFINE([LINUX_MIPSO32], [1], [Define for _MIPS_SIM_ABI32.]);;
236 n32) AC_DEFINE([LINUX_MIPSN32], [1], [Define for _MIPS_SIM_NABI32.]);;
237 n64) AC_DEFINE([LINUX_MIPSN64], [1], [Define for _MIPS_SIM_ABI64.]);;
238 *) AC_MSG_ERROR([Unsupported _MIPS_SIM]);;
240 MIPS_ABI="$st_cv_mips_abi"
244 AC_ARG_ENABLE([arm-oabi],
245 [AS_HELP_STRING([--enable-arm-oabi],
246 [enable OABI support on ARM EABI])],
247 [], [enable_arm_oabi=no])
248 case "$enable_arm_oabi" in
249 yes) enable_arm_oabi=1 ;;
250 no) enable_arm_oabi=0 ;;
251 *) AC_MSG_ERROR([bad value $enable_arm_oabi for arm-oabi option]) ;;
253 AC_DEFINE_UNQUOTED([ENABLE_ARM_OABI], [$enable_arm_oabi],
254 [Define to 1 if you want OABI support on ARM EABI.])
261 AC_CHECK_FUNCS(m4_normalize([
287 AC_CHECK_TYPES([sig_atomic_t, struct sigcontext],,, [#include <signal.h>])
289 AC_CHECK_TYPES([struct mmsghdr],,, [#include <sys/socket.h>])
291 AC_CHECK_TYPES([__kernel_long_t, __kernel_ulong_t],,,
292 [#include <asm/posix_types.h>])
294 AC_CHECK_TYPES([struct stat64, struct __old_kernel_stat],,,
295 [#include <sys/types.h>
296 #include <asm/stat.h>])
298 AC_CHECK_TYPES([struct user_desc],,, [#include <asm/ldt.h>])
300 AC_CHECK_MEMBERS([struct stat.st_mtime_nsec, struct stat64.st_mtime_nsec],,,
301 [#include <sys/types.h>
302 #include <asm/stat.h>])
304 AC_CHECK_MEMBERS([struct stat.st_mtim.tv_nsec])
306 AC_CHECK_TYPES(m4_normalize([
307 struct pt_all_user_regs,
309 struct ptrace_peeksiginfo_args
310 ]),,, [#include <sys/ptrace.h>])
312 AC_CHECK_TYPES(m4_normalize([
315 struct __kernel_flock,
316 struct __kernel_flock64
318 [#include <sys/types.h>
319 #include <linux/fcntl.h>])
321 AC_CHECK_MEMBERS([struct timex.tai],,, [#include <sys/timex.h>])
323 AC_CHECK_MEMBERS([struct utsname.domainname],,, [#include <sys/utsname.h>])
325 AC_CHECK_MEMBERS(m4_normalize([
326 siginfo_t.si_syscall,
327 siginfo_t.si_timerid,
329 ]),,, [#include <signal.h>])
331 AC_CHECK_MEMBERS(m4_normalize([
332 struct perf_event_attr.precise_ip,
333 struct perf_event_attr.mmap_data,
334 struct perf_event_attr.sample_id_all,
335 struct perf_event_attr.exclude_host,
336 struct perf_event_attr.exclude_guest,
337 struct perf_event_attr.exclude_callchain_kernel,
338 struct perf_event_attr.exclude_callchain_user,
339 struct perf_event_attr.mmap2,
340 struct perf_event_attr.comm_exec,
341 struct perf_event_attr.use_clockid,
342 struct perf_event_attr.context_switch,
343 struct perf_event_attr.write_backward,
344 struct perf_event_attr.bp_type,
345 struct perf_event_attr.config1,
346 struct perf_event_attr.config2,
347 struct perf_event_attr.branch_sample_type,
348 struct perf_event_attr.sample_regs_user,
349 struct perf_event_attr.sample_stack_user,
350 struct perf_event_attr.sample_regs_intr,
351 struct perf_event_attr.aux_watermark,
352 struct perf_event_attr.sample_max_stack
353 ]),,, [#include <linux/perf_event.h>])
355 AC_CHECK_HEADERS(m4_normalize([
358 bluetooth/bluetooth.h
398 AC_CHECK_HEADERS([asm/sigcontext.h],,, [#include <signal.h>])
400 AC_CHECK_HEADERS([netinet/tcp.h netinet/udp.h],,, [#include <netinet/in.h>])
402 AC_CHECK_HEADERS([linux/mqueue.h],,, [#include <linux/types.h>])
404 AC_CHECK_HEADERS(m4_normalize([
405 linux/netfilter_arp/arp_tables.h
406 linux/netfilter_bridge/ebtables.h
407 linux/netfilter_ipv4/ip_tables.h
408 linux/netfilter_ipv6/ip6_tables.h
409 ]),,, [#include <netinet/in.h>
410 #include <net/if.h>])
412 AC_CHECK_HEADERS([linux/input.h], [
413 AC_CHECK_MEMBERS([struct input_absinfo.resolution],,, [#include <linux/input.h>])
416 AC_CHECK_HEADERS([linux/bpf.h], [
417 AC_CACHE_CHECK([whether union bpf_attr.log_buf initialization works],
418 [st_cv_have_union_bpf_attr_log_buf],
420 [AC_LANG_PROGRAM([[#include <linux/bpf.h>]],
421 [[union bpf_attr a = { .log_buf = 0 };]])],
422 [st_cv_have_union_bpf_attr_log_buf=yes],
423 [st_cv_have_union_bpf_attr_log_buf=no])])
424 if test $st_cv_have_union_bpf_attr_log_buf = yes; then
425 AC_DEFINE(HAVE_UNION_BPF_ATTR_LOG_BUF, [1],
426 [Define to 1 if union bpf_attr.log_buf initialization works])
430 AC_CHECK_TYPES([struct statfs], [
431 AC_CHECK_MEMBERS([struct statfs.f_frsize],,, [#include <linux/types.h>
432 #include <asm/statfs.h>])
433 AC_CHECK_MEMBERS([struct statfs.f_flags],,, [#include <linux/types.h>
434 #include <asm/statfs.h>])
435 AC_CHECK_MEMBERS([struct statfs.f_fsid.val],,, [#include <linux/types.h>
436 #include <asm/statfs.h>])
437 AC_CHECK_MEMBERS([struct statfs.f_fsid.__val],,, [#include <linux/types.h>
438 #include <asm/statfs.h>])
439 ],, [#include <linux/types.h>
440 #include <asm/statfs.h>])
442 AC_CHECK_TYPES([struct statfs64], [
443 AC_CHECK_MEMBERS([struct statfs64.f_frsize],,, [#include <linux/types.h>
444 #include <asm/statfs.h>])
445 AC_CHECK_MEMBERS([struct statfs64.f_flags],,, [#include <linux/types.h>
446 #include <asm/statfs.h>])
447 AC_CHECK_MEMBERS([struct statfs64.f_fsid.val],,, [#include <linux/types.h>
448 #include <asm/statfs.h>])
449 AC_CHECK_MEMBERS([struct statfs64.f_fsid.__val],,, [#include <linux/types.h>
450 #include <asm/statfs.h>])
451 ],, [#include <linux/types.h>
452 #include <asm/statfs.h>])
454 AC_CHECK_TYPES([struct blk_user_trace_setup],,, [#include <linux/blktrace_api.h>])
456 AC_CHECK_HEADERS([linux/btrfs.h], [
457 AC_CHECK_MEMBERS(m4_normalize([
458 struct btrfs_ioctl_feature_flags.compat_flags,
459 struct btrfs_ioctl_fs_info_args.nodesize,
460 struct btrfs_ioctl_defrag_range_args.start,
461 struct btrfs_ioctl_search_args_v2.buf_size
462 ]),,, [ #include <stdio.h>
463 #include <linux/btrfs.h>])
464 AC_CHECK_DECLS(m4_normalize([BTRFS_COMPRESS_NONE, BTRFS_COMPRESS_ZLIB,
465 BTRFS_COMPRESS_LZO]),,,[ #include <stdio.h>
466 #include <linux/btrfs.h>])])
468 AC_CHECK_DECLS([sys_errlist])
469 AC_CHECK_DECLS(m4_normalize([
472 ]),,, [#include <sys/ptrace.h>])
474 AC_CHECK_DECLS(m4_normalize([
484 ]),,, [#include <sys/wait.h>])
486 AC_CHECK_DECLS(m4_normalize([
490 ]),,, [#include <linux/loop.h>])
492 AC_CHECK_DECLS(m4_normalize([
499 KERN_PRINTK_RATELIMIT,
500 KERN_PRINTK_RATELIMIT_BURST,
503 KERN_SPARC_SCONS_PWROFF,
505 KERN_UNKNOWN_NMI_PANIC,
506 KERN_BOOTLOADER_TYPE,
508 KERN_SETUID_DUMPABLE,
510 KERN_ACPI_VIDEO_FLAGS,
520 NET_CORE_DESTROY_DELAY,
522 NET_CORE_AEVENT_ETIME,
523 NET_CORE_AEVENT_RSEQTH,
525 NET_IPV4_IGMP_MAX_MSF,
526 NET_TCP_NO_METRICS_SAVE,
527 NET_TCP_DEFAULT_WIN_SCALE,
528 NET_TCP_MODERATE_RCVBUF,
529 NET_TCP_TSO_WIN_DIVISOR,
531 NET_IPV4_ICMP_ERRORS_USE_INBOUND_IFADDR,
532 NET_TCP_CONG_CONTROL,
534 NET_IPV4_IPFRAG_MAX_DIST,
537 NET_IPV4_TCP_WORKAROUND_SIGNED_WINDOWS,
538 NET_TCP_DMA_COPYBREAK,
539 NET_TCP_SLOW_START_AFTER_IDLE,
540 NET_CIPSOV4_CACHE_ENABLE,
541 NET_CIPSOV4_CACHE_BUCKET_SIZE,
542 NET_CIPSOV4_RBM_OPTFMT,
543 NET_CIPSOV4_RBM_STRICTVALID,
544 NET_TCP_AVAIL_CONG_CONTROL,
545 NET_TCP_ALLOWED_CONG_CONTROL,
546 NET_TCP_MAX_SSTHRESH,
547 NET_TCP_FRTO_RESPONSE,
548 NET_IPV4_ROUTE_GC_MIN_INTERVAL_MS,
549 NET_IPV4_CONF_FORCE_IGMP_VERSION,
550 NET_IPV4_CONF_ARP_ANNOUNCE,
551 NET_IPV4_CONF_ARP_IGNORE,
552 NET_IPV4_CONF_PROMOTE_SECONDARIES,
553 NET_IPV4_CONF_ARP_ACCEPT,
554 NET_IPV4_CONF_ARP_NOTIFY,
555 NET_IPV6_MLD_MAX_MSF,
556 NET_IPV6_ROUTE_GC_MIN_INTERVAL_MS,
561 VM_VFS_CACHE_PRESSURE,
563 VM_SWAP_TOKEN_TIMEOUT
565 [#include <sys/types.h>
566 #include <linux/sysctl.h>])
568 AC_CHECK_DECLS(m4_normalize([
573 V4L2_FIELD_INTERLACED,
576 V4L2_FIELD_ALTERNATE,
577 V4L2_FIELD_INTERLACED_TB,
578 V4L2_FIELD_INTERLACED_BT,
579 V4L2_BUF_TYPE_VIDEO_CAPTURE,
580 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
581 V4L2_BUF_TYPE_VIDEO_OUTPUT,
582 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
583 V4L2_BUF_TYPE_VIDEO_OVERLAY,
584 V4L2_BUF_TYPE_VBI_CAPTURE,
585 V4L2_BUF_TYPE_VBI_OUTPUT,
586 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE,
587 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT,
588 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY,
590 V4L2_TUNER_ANALOG_TV,
591 V4L2_TUNER_DIGITAL_TV,
596 V4L2_COLORSPACE_SMPTE170M,
597 V4L2_COLORSPACE_SMPTE240M,
598 V4L2_COLORSPACE_REC709,
599 V4L2_COLORSPACE_BT878,
600 V4L2_COLORSPACE_470_SYSTEM_M,
601 V4L2_COLORSPACE_470_SYSTEM_BG,
602 V4L2_COLORSPACE_JPEG,
603 V4L2_COLORSPACE_SRGB,
605 V4L2_PRIORITY_BACKGROUND,
606 V4L2_PRIORITY_INTERACTIVE,
607 V4L2_PRIORITY_RECORD,
608 V4L2_FRMSIZE_TYPE_DISCRETE,
609 V4L2_FRMSIZE_TYPE_CONTINUOUS,
610 V4L2_FRMSIZE_TYPE_STEPWISE,
611 V4L2_FRMIVAL_TYPE_DISCRETE,
612 V4L2_FRMIVAL_TYPE_CONTINUOUS,
613 V4L2_FRMIVAL_TYPE_STEPWISE,
614 V4L2_CTRL_TYPE_INTEGER,
615 V4L2_CTRL_TYPE_BOOLEAN,
617 V4L2_CTRL_TYPE_BUTTON,
618 V4L2_CTRL_TYPE_INTEGER64,
619 V4L2_CTRL_TYPE_CTRL_CLASS,
620 V4L2_CTRL_TYPE_STRING,
621 V4L2_CTRL_TYPE_BITMASK,
622 V4L2_CTRL_TYPE_INTEGER_MENU
623 ]),,, [#include <sys/time.h>
624 #include <linux/ioctl.h>
625 #include <linux/types.h>
626 #include <linux/videodev2.h>])
628 AC_CACHE_CHECK([for BLKGETSIZE64], [ac_cv_have_blkgetsize64],
629 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
631 #include <linux/fs.h>], [return !BLKGETSIZE64;])],
632 [ac_cv_have_blkgetsize64=yes], [ac_cv_have_blkgetsize64=no])]
633 if test $ac_cv_have_blkgetsize64 = yes; then
634 AC_DEFINE([HAVE_BLKGETSIZE64], [1], [Define to 1 if you have BLKGETSIZE64.])
637 AC_CHECK_SIZEOF([long])
638 AC_CHECK_SIZEOF([long long])
639 AC_CHECK_SIZEOF([off_t],,[#include <sys/types.h>])
640 AC_CHECK_SIZEOF([kernel_long_t],,[#include "$srcdir/kernel_types.h"])
641 AC_CHECK_SIZEOF([struct i64_i32],,[struct i64_i32 {long long i64; int i32;};])
643 AC_CACHE_CHECK([for SIGRTMIN], [st_cv_SIGRTMIN],
644 [[st_cv_SIGRTMIN="$(echo SIGRTMIN |
645 $CPP $CPPFLAGS -P -imacros asm/signal.h - |
647 test -n "$st_cv_SIGRTMIN" || st_cv_SIGRTMIN=no]])
648 if test "x$st_cv_SIGRTMIN" != xno; then
649 AC_DEFINE_UNQUOTED([ASM_SIGRTMIN], [$st_cv_SIGRTMIN],
650 [SIGRTMIN defined in <asm/signal.h>])
652 AC_CACHE_CHECK([for SA_RESTORER], [st_cv_SA_RESTORER],
653 [st_cv_SA_RESTORER="$(echo SA_RESTORER |
654 $CPP $CPPFLAGS -P -imacros asm/signal.h - |
656 test -n "$st_cv_SA_RESTORER" || st_cv_SA_RESTORER=no])
657 if test "x$st_cv_SA_RESTORER" != xno; then
658 AC_DEFINE_UNQUOTED([ASM_SA_RESTORER], [$st_cv_SA_RESTORER],
659 [SA_RESTORER defined in <asm/signal.h>])
662 AC_CACHE_CHECK([for __builtin_popcount], [st_cv_have___builtin_popcount],
663 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_popcount(0)])],
664 [st_cv_have___builtin_popcount=yes],
665 [st_cv_have___builtin_popcount=no])])
666 if test "x$st_cv_have___builtin_popcount" = xyes; then
667 AC_DEFINE([HAVE___BUILTIN_POPCOUNT], [1],
668 [Define to 1 if the system provides __builtin_popcount function])
671 AC_CHECK_LIB([dl], [dladdr], [dl_LIBS='-ldl'], [dl_LIBS=])
672 if test "x$ac_cv_lib_dl_dladdr" = xyes; then
673 AC_DEFINE([HAVE_DLADDR], [1], [Define to 1 if the system provides dladdr])
677 AC_PATH_PROG([PERL], [perl])
679 dnl stack trace with libunwind
683 AC_ARG_WITH([libunwind],
684 [AS_HELP_STRING([--with-libunwind],
685 [use libunwind to implement stack tracing support])],
686 [case "${withval}" in
688 *) with_libunwind=yes
689 libunwind_CPPFLAGS="-I${withval}/include"
690 libunwind_LDFLAGS="-L${withval}/lib" ;;
692 [with_libunwind=check]
696 AS_IF([test "x$with_libunwind" != xno],
697 [saved_CPPFLAGS="$CPPFLAGS"
698 CPPFLAGS="$CPPFLAGS $libunwind_CPPFLAGS"
700 AC_CHECK_HEADERS([libunwind-ptrace.h],
701 [saved_LDFLAGS="$LDFLAGS"
702 LDFLAGS="$LDFLAGS $libunwind_LDFLAGS"
704 AC_CHECK_LIB([unwind], [backtrace],
705 [libunwind_LIBS="-lunwind $libunwind_LIBS"
707 AC_MSG_CHECKING([for unw_create_addr_space in libunwind-generic])
709 LIBS="-lunwind-generic $libunwind_LIBS $LIBS"
712 [AC_LANG_PROGRAM([[#include <libunwind-ptrace.h>]],
713 [[return !unw_create_addr_space(0, 0)]])
715 [AC_MSG_RESULT([yes])
716 libunwind_LIBS="-lunwind-generic $libunwind_LIBS"
718 AC_CHECK_LIB([unwind-ptrace], [_UPT_create],
719 [libunwind_LIBS="-lunwind-ptrace $libunwind_LIBS"
722 [if test "x$with_libunwind" != xcheck; then
723 AC_MSG_FAILURE([failed to find _UPT_create in libunwind-ptrace])
730 if test "x$with_libunwind" != xcheck; then
731 AC_MSG_FAILURE([failed to find unw_create_addr_space in libunwind-generic])
738 [if test "x$with_libunwind" != xcheck; then
739 AC_MSG_FAILURE([failed to find libunwind])
745 LDFLAGS="$saved_LDFLAGS"
747 [if test "x$with_libunwind" != xcheck; then
748 AC_MSG_FAILURE([failed to find libunwind-ptrace.h])
753 CPPFLAGS="$saved_CPPFLAGS"
758 AC_MSG_CHECKING([whether to enable stack tracing support using libunwind])
759 if test "x$use_libunwind" = xyes; then
760 AC_DEFINE([USE_LIBUNWIND], 1, [Compile stack tracing functionality])
761 AC_SUBST(libunwind_LIBS)
762 AC_SUBST(libunwind_LDFLAGS)
763 AC_SUBST(libunwind_CPPFLAGS)
765 AM_CONDITIONAL([USE_LIBUNWIND], [test "x$use_libunwind" = xyes])
766 AC_MSG_RESULT([$use_libunwind])
768 if test "$arch" = mips && test "$no_create" != yes; then
770 if $srcdir/linux/mips/genstub.sh linux/mips; then
771 AC_MSG_RESULT([Generated MIPS syscallent stubs])
773 AC_MSG_FAILURE([Failed to generate syscallent stubs])
777 st_MPERS([m32], [aarch64|powerpc64|sparc64|tile|x32|x86_64])
778 st_MPERS([mx32], [x86_64])
780 AX_VALGRIND_DFLT([sgcheck], [off])
783 AC_CONFIG_FILES([Makefile