1 dnl Process this file with autoconf to create configure. Use autoreconf.
4 m4_esyscmd([./git-version-gen .tarball-version]),
5 [strace-devel@lists.sourceforge.net])
6 AC_CONFIG_SRCDIR([strace.c])
8 AC_CONFIG_HEADERS([config.h])
9 AM_INIT_AUTOMAKE([foreign dist-xz no-dist-gzip silent-rules parallel-tests])
15 AC_USE_SYSTEM_EXTENSIONS
17 AC_MSG_CHECKING([for supported architecture])
21 AC_DEFINE([BFIN], 1, [Define for the Blackfin architecture.])
25 AC_DEFINE([I386], 1, [Define for the i386 architecture.])
29 AC_DEFINE([IA64], 1, [Define for the IA64 architecture.])
33 AC_DEFINE([M68K], 1, [Define for the m68k architecture.])
37 AC_DEFINE([SPARC64], 1, [Define for the SPARC64 architecture.])
41 AC_DEFINE([SPARC], 1, [Define for the SPARC architecture.])
45 AC_DEFINE([METAG], 1, [Define for the Meta architecture.])
49 AC_DEFINE([MIPS], 1, [Define for the MIPS architecture.])
53 AC_DEFINE([ALPHA], 1, [Define for the Alpha architecture.])
56 AC_DEFINE([POWERPC], 1, [Define for the PowerPC architecture.])
60 #endif], [], arch=powerpc64, arch=powerpc)
61 if test "$arch" = "powerpc64"; then
62 AC_DEFINE([POWERPC64], 1, [Define for the PowerPC64 architecture.])
67 AC_DEFINE([ARM], 1, [Define for the ARM architecture.])
71 AC_DEFINE([AARCH64], 1, [Define for the AArch64 architecture.])
75 AC_DEFINE([AVR32], 1, [Define for the AVR32 architecture.])
79 AC_DEFINE([ARC], 1, [Define for the ARC architecture.])
83 AC_DEFINE([S390], 1, [Define for the S390 architecture.])
87 AC_DEFINE([S390X], 1, [Define for the S390x architecture.])
91 AC_DEFINE([HPPA], 1, [Define for the HPPA architecture.])
95 AC_DEFINE([SH64], 1, [Define for the SH64 architecture.])
99 AC_DEFINE([SH], 1, [Define for the SH architecture.])
105 #endif], [], arch=x32, arch=x86_64)
106 if test "$arch" = "x86_64"; then
107 AC_DEFINE([X86_64], 1, [Define for the 64bit AMD x86-64 architecture.])
109 AC_DEFINE([X32], 1, [Define for the 32bit AMD x86-64 architecture.])
114 AC_DEFINE([CRISV10], 1, [Define for the CRISv10 architecture.])
118 AC_DEFINE([CRISV32], 1, [Define for the CRISv32 architecture.])
122 AC_DEFINE([TILE], 1, [Define for the Tile architecture])
126 AC_DEFINE([MICROBLAZE], 1, [Define for the MicroBlaze architecture.])
130 AC_DEFINE([OR1K], 1, [Define for the OpenRISC 1000 architecture.])
135 AC_DEFINE([XTENSA], 1, [Define for the Xtensa architecture])
140 AC_MSG_ERROR([architecture $host_cpu is not supported by strace])
147 if test "$arch" = mips; then
148 AC_CACHE_CHECK([for MIPS ABI], [ac_cv_mips_abi],
150 [AC_LANG_PROGRAM([[#include <sgidefs.h>]],
151 [[int i[_MIPS_SIM == _MIPS_SIM_ABI32 ? 1 : - 1];]])],
152 [ac_cv_mips_abi=o32],
154 [AC_LANG_PROGRAM([[#include <sgidefs.h>]],
155 [[int i[_MIPS_SIM == _MIPS_SIM_NABI32 ? 1 : - 1];]])],
156 [ac_cv_mips_abi=n32],
158 [AC_LANG_PROGRAM([[#include <sgidefs.h>]],
159 [[int i[_MIPS_SIM == _MIPS_SIM_ABI64 ? 1 : - 1];]])],
160 [ac_cv_mips_abi=n64],
161 [ac_cv_mips_abi=unknown])])])])
162 case "$ac_cv_mips_abi" in
163 o32) AC_DEFINE([LINUX_MIPSO32], [1], [Define for _MIPS_SIM_ABI32.]);;
164 n32) AC_DEFINE([LINUX_MIPSN32], [1], [Define for _MIPS_SIM_NABI32.]);;
165 n64) AC_DEFINE([LINUX_MIPSN64], [1], [Define for _MIPS_SIM_ABI64.]);;
166 *) AC_MSG_ERROR([Unsupported _MIPS_SIM]);;
170 AC_ARG_ENABLE([arm-oabi],
171 [AS_HELP_STRING([--enable-arm-oabi],
172 [enable OABI support on ARM EABI])],
173 [], [enable_arm_oabi=no])
174 case "$enable_arm_oabi" in
175 yes) enable_arm_oabi=1 ;;
176 no) enable_arm_oabi=0 ;;
177 *) AC_MSG_ERROR([bad value $enable_arm_oabi for arm-oabi option]) ;;
179 AC_DEFINE_UNQUOTED([ENABLE_ARM_OABI], [$enable_arm_oabi],
180 [Define to 1 if you want OABI support on ARM EABI.])
183 gl_WARN_ADD([-Wwrite-strings])
184 gl_WARN_ADD([-Wsign-compare])
185 AC_ARG_ENABLE([gcc-Werror],
186 [AS_HELP_STRING([--enable-gcc-Werror], [turn on gcc's -Werror option])],
188 yes) gl_WARN_ADD([-Werror]) ;;
190 *) AC_MSG_ERROR([bad value $enableval for gcc-Werror option]) ;;
193 AC_SUBST([WARN_CFLAGS])
203 AC_CHECK_MEMBERS(m4_normalize([
204 struct stat.st_blksize,
205 struct stat.st_blocks,
206 struct stat.st_flags,
207 struct stat.st_fstype,
217 AC_CHECK_TYPES([sig_atomic_t],,, [#include <signal.h>])
218 AC_CHECK_MEMBERS([struct sockaddr_in6.sin6_scope_id],,,
219 [#include <sys/types.h>
220 #include <sys/socket.h>
221 #include <netinet/in.h>])
222 AC_LITTLE_ENDIAN_LONG_LONG
224 AC_CHECK_FUNCS(m4_normalize([
243 AC_CHECK_HEADERS(m4_normalize([
246 bluetooth/bluetooth.h
274 AC_CHECK_HEADERS([linux/icmp.h linux/in6.h linux/netlink.h linux/if_packet.h],
275 [], [], [#include <stddef.h>
276 #include <sys/socket.h>
277 #include <asm/types.h>])
278 AC_CHECK_HEADERS([asm/sigcontext.h], [], [], [#include <signal.h>])
279 AC_CHECK_TYPES([struct sigcontext],,, [#include <signal.h>])
280 AC_CHECK_HEADERS([netinet/tcp.h netinet/udp.h],,, [#include <netinet/in.h>])
282 AC_CHECK_TYPES([struct mmsghdr],,, [#include <sys/socket.h>])
283 AC_CHECK_MEMBERS([struct msghdr.msg_control],,, [#include <sys/socket.h>])
285 AC_CHECK_TYPES([struct stat64],,, [#include <sys/types.h>
286 #include <asm/stat.h>])
287 AC_CHECK_TYPES([struct __old_kernel_stat],,, [#include <asm/stat.h>])
288 AC_CHECK_TYPES([struct statfs64],,, [#include <sys/vfs.h>])
290 AC_CHECK_TYPES([struct pt_all_user_regs, struct ia64_fpreg, struct ptrace_peeksiginfo_args],,,
291 [#include <sys/ptrace.h>])
293 AC_CHECK_MEMBERS([struct utsname.domainname],,, [#include <sys/utsname.h>])
295 AC_CHECK_MEMBERS([struct sigevent._sigev_un._pad,
296 struct sigevent.__pad,
297 siginfo_t.si_syscall,
298 siginfo_t.si_timerid,
299 siginfo_t.si_overrun],,, [#include <signal.h>])
301 AC_CHECK_MEMBERS([struct sysinfo.totalhigh,
302 struct sysinfo.freehigh,
303 struct sysinfo.mem_unit],,, [#include <sys/sysinfo.h>])
305 AC_CHECK_TYPES([struct flock64],,, [#include <fcntl.h>])
307 AC_CHECK_HEADERS([libaio.h], [
308 AC_CHECK_MEMBERS([struct iocb.u.c.flags],,, [#include <libaio.h>])
309 AC_CHECK_DECLS([IO_CMD_PWRITE, IO_CMD_PWRITEV],,, [#include <libaio.h>])
312 AC_CHECK_HEADERS([linux/input.h], [
313 AC_CHECK_MEMBERS([struct input_absinfo.resolution],,, [#include <linux/input.h>])
316 AC_CHECK_DECLS([sys_errlist])
317 AC_CHECK_DECLS(m4_normalize([
320 ]),,, [#include <sys/ptrace.h>])
322 AC_CHECK_DECLS(m4_normalize([
332 ]),,, [#include <sys/wait.h>])
334 AC_CHECK_DECLS(m4_normalize([
338 ]),,, [#include <linux/loop.h>])
340 AC_CHECK_DECLS(m4_normalize([
370 KERN_PPC_HTABRECLAIM,
372 KERN_PPC_POWERSAVE_NAP,
395 KERN_IEEE_EMULATION_WARNINGS,
396 KERN_S390_USER_DEBUG_LOGGING,
405 KERN_PRINTK_RATELIMIT,
406 KERN_PRINTK_RATELIMIT_BURST,
409 KERN_SPARC_SCONS_PWROFF,
411 KERN_UNKNOWN_NMI_PANIC,
412 KERN_BOOTLOADER_TYPE,
414 KERN_SETUID_DUMPABLE,
416 KERN_ACPI_VIDEO_FLAGS,
445 NET_CORE_WMEM_DEFAULT,
446 NET_CORE_RMEM_DEFAULT,
447 NET_CORE_DESTROY_DELAY,
448 NET_CORE_MAX_BACKLOG,
453 NET_CORE_HOT_LIST_LENGTH,
454 NET_CORE_DIVERT_VERSION,
455 NET_CORE_NO_CONG_THRESH,
462 NET_CORE_AEVENT_ETIME,
463 NET_CORE_AEVENT_RSEQTH,
472 NET_IPV4_TCP_TIMESTAMPS,
473 NET_IPV4_TCP_WINDOW_SCALING,
475 NET_IPV4_TCP_RETRANS_COLLAPSE,
476 NET_IPV4_DEFAULT_TTL,
478 NET_IPV4_NO_PMTU_DISC,
479 NET_IPV4_TCP_SYN_RETRIES,
480 NET_IPV4_IPFRAG_HIGH_THRESH,
481 NET_IPV4_IPFRAG_LOW_THRESH,
482 NET_IPV4_IPFRAG_TIME,
483 NET_IPV4_TCP_MAX_KA_PROBES,
484 NET_IPV4_TCP_KEEPALIVE_TIME,
485 NET_IPV4_TCP_KEEPALIVE_PROBES,
486 NET_IPV4_TCP_RETRIES1,
487 NET_IPV4_TCP_RETRIES2,
488 NET_IPV4_TCP_FIN_TIMEOUT,
489 NET_IPV4_IP_MASQ_DEBUG,
493 NET_TCP_SYN_TAILDROP,
494 NET_TCP_MAX_SYN_BACKLOG,
495 NET_IPV4_LOCAL_PORT_RANGE,
496 NET_IPV4_ICMP_ECHO_IGNORE_ALL,
497 NET_IPV4_ICMP_ECHO_IGNORE_BROADCASTS,
498 NET_IPV4_ICMP_SOURCEQUENCH_RATE,
499 NET_IPV4_ICMP_DESTUNREACH_RATE,
500 NET_IPV4_ICMP_TIMEEXCEED_RATE,
501 NET_IPV4_ICMP_PARAMPROB_RATE,
502 NET_IPV4_ICMP_ECHOREPLY_RATE,
503 NET_IPV4_ICMP_IGNORE_BOGUS_ERROR_RESPONSES,
504 NET_IPV4_IGMP_MAX_MEMBERSHIPS,
506 NET_IPV4_ALWAYS_DEFRAG,
507 NET_IPV4_TCP_KEEPALIVE_INTVL,
508 NET_IPV4_INET_PEER_THRESHOLD,
509 NET_IPV4_INET_PEER_MINTTL,
510 NET_IPV4_INET_PEER_MAXTTL,
511 NET_IPV4_INET_PEER_GC_MINTIME,
512 NET_IPV4_INET_PEER_GC_MAXTIME,
513 NET_TCP_ORPHAN_RETRIES,
514 NET_TCP_ABORT_ON_OVERFLOW,
515 NET_TCP_SYNACK_RETRIES,
517 NET_TCP_MAX_TW_BUCKETS,
526 NET_TCP_ADV_WIN_SCALE,
527 NET_IPV4_NONLOCAL_BIND,
528 NET_IPV4_ICMP_RATELIMIT,
529 NET_IPV4_ICMP_RATEMASK,
533 NET_IPV4_IPFRAG_SECRET_INTERVAL,
534 NET_IPV4_IGMP_MAX_MSF,
535 NET_TCP_NO_METRICS_SAVE,
536 NET_TCP_DEFAULT_WIN_SCALE,
537 NET_TCP_MODERATE_RCVBUF,
538 NET_TCP_TSO_WIN_DIVISOR,
540 NET_IPV4_ICMP_ERRORS_USE_INBOUND_IFADDR,
541 NET_TCP_CONG_CONTROL,
543 NET_IPV4_IPFRAG_MAX_DIST,
546 NET_IPV4_TCP_WORKAROUND_SIGNED_WINDOWS,
547 NET_TCP_DMA_COPYBREAK,
548 NET_TCP_SLOW_START_AFTER_IDLE,
549 NET_CIPSOV4_CACHE_ENABLE,
550 NET_CIPSOV4_CACHE_BUCKET_SIZE,
551 NET_CIPSOV4_RBM_OPTFMT,
552 NET_CIPSOV4_RBM_STRICTVALID,
553 NET_TCP_AVAIL_CONG_CONTROL,
554 NET_TCP_ALLOWED_CONG_CONTROL,
555 NET_TCP_MAX_SSTHRESH,
556 NET_TCP_FRTO_RESPONSE,
557 NET_IPV4_ROUTE_FLUSH,
558 NET_IPV4_ROUTE_MIN_DELAY,
559 NET_IPV4_ROUTE_MAX_DELAY,
560 NET_IPV4_ROUTE_GC_THRESH,
561 NET_IPV4_ROUTE_MAX_SIZE,
562 NET_IPV4_ROUTE_GC_MIN_INTERVAL,
563 NET_IPV4_ROUTE_GC_TIMEOUT,
564 NET_IPV4_ROUTE_GC_INTERVAL,
565 NET_IPV4_ROUTE_REDIRECT_LOAD,
566 NET_IPV4_ROUTE_REDIRECT_NUMBER,
567 NET_IPV4_ROUTE_REDIRECT_SILENCE,
568 NET_IPV4_ROUTE_ERROR_COST,
569 NET_IPV4_ROUTE_ERROR_BURST,
570 NET_IPV4_ROUTE_GC_ELASTICITY,
571 NET_IPV4_ROUTE_MTU_EXPIRES,
572 NET_IPV4_ROUTE_MIN_PMTU,
573 NET_IPV4_ROUTE_MIN_ADVMSS,
574 NET_IPV4_ROUTE_SECRET_INTERVAL,
575 NET_IPV4_ROUTE_GC_MIN_INTERVAL_MS,
576 NET_IPV4_CONF_FORWARDING,
577 NET_IPV4_CONF_MC_FORWARDING,
578 NET_IPV4_CONF_PROXY_ARP,
579 NET_IPV4_CONF_ACCEPT_REDIRECTS,
580 NET_IPV4_CONF_SECURE_REDIRECTS,
581 NET_IPV4_CONF_SEND_REDIRECTS,
582 NET_IPV4_CONF_SHARED_MEDIA,
583 NET_IPV4_CONF_RP_FILTER,
584 NET_IPV4_CONF_ACCEPT_SOURCE_ROUTE,
585 NET_IPV4_CONF_BOOTP_RELAY,
586 NET_IPV4_CONF_LOG_MARTIANS,
588 NET_IPV4_CONF_ARPFILTER,
589 NET_IPV4_CONF_MEDIUM_ID,
590 NET_IPV4_CONF_NOXFRM,
591 NET_IPV4_CONF_NOPOLICY,
592 NET_IPV4_CONF_FORCE_IGMP_VERSION,
593 NET_IPV4_CONF_ARP_ANNOUNCE,
594 NET_IPV4_CONF_ARP_IGNORE,
595 NET_IPV4_CONF_PROMOTE_SECONDARIES,
596 NET_IPV4_CONF_ARP_ACCEPT,
597 NET_IPV4_CONF_ARP_NOTIFY,
603 NET_IPV6_IP6FRAG_HIGH_THRESH,
604 NET_IPV6_IP6FRAG_LOW_THRESH,
605 NET_IPV6_IP6FRAG_TIME,
606 NET_IPV6_IP6FRAG_SECRET_INTERVAL,
607 NET_IPV6_MLD_MAX_MSF,
608 NET_IPV6_ROUTE_FLUSH,
609 NET_IPV6_ROUTE_GC_THRESH,
610 NET_IPV6_ROUTE_MAX_SIZE,
611 NET_IPV6_ROUTE_GC_MIN_INTERVAL,
612 NET_IPV6_ROUTE_GC_TIMEOUT,
613 NET_IPV6_ROUTE_GC_INTERVAL,
614 NET_IPV6_ROUTE_GC_ELASTICITY,
615 NET_IPV6_ROUTE_MTU_EXPIRES,
616 NET_IPV6_ROUTE_MIN_ADVMSS,
617 NET_IPV6_ROUTE_GC_MIN_INTERVAL_MS,
618 NET_UNIX_DESTROY_DELAY,
619 NET_UNIX_DELETE_DELAY,
620 NET_UNIX_MAX_DGRAM_QLEN,
621 VM_OVERCOMMIT_MEMORY,
627 VM_NR_PDFLUSH_THREADS,
632 VM_LOWMEM_RESERVE_RATIO,
638 VM_VFS_CACHE_PRESSURE,
640 VM_SWAP_TOKEN_TIMEOUT
642 [#include <sys/types.h>
643 #include <linux/sysctl.h>])
645 AC_CHECK_DECLS(m4_normalize([
650 V4L2_FIELD_INTERLACED,
653 V4L2_FIELD_ALTERNATE,
654 V4L2_FIELD_INTERLACED_TB,
655 V4L2_FIELD_INTERLACED_BT,
656 V4L2_BUF_TYPE_VIDEO_CAPTURE,
657 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
658 V4L2_BUF_TYPE_VIDEO_OUTPUT,
659 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
660 V4L2_BUF_TYPE_VIDEO_OVERLAY,
661 V4L2_BUF_TYPE_VBI_CAPTURE,
662 V4L2_BUF_TYPE_VBI_OUTPUT,
663 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE,
664 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT,
665 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY,
667 V4L2_TUNER_ANALOG_TV,
668 V4L2_TUNER_DIGITAL_TV,
673 V4L2_COLORSPACE_SMPTE170M,
674 V4L2_COLORSPACE_SMPTE240M,
675 V4L2_COLORSPACE_REC709,
676 V4L2_COLORSPACE_BT878,
677 V4L2_COLORSPACE_470_SYSTEM_M,
678 V4L2_COLORSPACE_470_SYSTEM_BG,
679 V4L2_COLORSPACE_JPEG,
680 V4L2_COLORSPACE_SRGB,
682 V4L2_PRIORITY_BACKGROUND,
683 V4L2_PRIORITY_INTERACTIVE,
684 V4L2_PRIORITY_RECORD,
685 V4L2_FRMSIZE_TYPE_DISCRETE,
686 V4L2_FRMSIZE_TYPE_CONTINUOUS,
687 V4L2_FRMSIZE_TYPE_STEPWISE,
688 V4L2_FRMIVAL_TYPE_DISCRETE,
689 V4L2_FRMIVAL_TYPE_CONTINUOUS,
690 V4L2_FRMIVAL_TYPE_STEPWISE,
691 V4L2_CTRL_TYPE_INTEGER,
692 V4L2_CTRL_TYPE_BOOLEAN,
694 V4L2_CTRL_TYPE_BUTTON,
695 V4L2_CTRL_TYPE_INTEGER64,
696 V4L2_CTRL_TYPE_CTRL_CLASS,
697 V4L2_CTRL_TYPE_STRING,
698 V4L2_CTRL_TYPE_BITMASK,
699 V4L2_CTRL_TYPE_INTEGER_MENU
700 ]),,, [#include <linux/videodev2.h>])
702 AC_CACHE_CHECK([for BLKGETSIZE64], [ac_cv_have_blkgetsize64],
703 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
705 #include <linux/fs.h>], [return !BLKGETSIZE64;])],
706 [ac_cv_have_blkgetsize64=yes], [ac_cv_have_blkgetsize64=no])]
707 if test $ac_cv_have_blkgetsize64 = yes; then
708 AC_DEFINE([HAVE_BLKGETSIZE64], [1], [Define to 1 if you have BLKGETSIZE64.])
711 AC_CHECK_SIZEOF([long])
712 AC_CHECK_SIZEOF([long long])
713 AC_CHECK_SIZEOF([off_t],,[#include <sys/types.h>])
715 AC_CACHE_CHECK([for SIGRTMIN], [st_cv_SIGRTMIN],
716 [[st_cv_SIGRTMIN="$(echo SIGRTMIN |
717 $CPP $CPPFLAGS -P -imacros asm/signal.h - |
719 test -n "$st_cv_SIGRTMIN" || st_cv_SIGRTMIN=no]])
720 if test "x$st_cv_SIGRTMIN" != xno; then
721 AC_DEFINE_UNQUOTED([ASM_SIGRTMIN], [$st_cv_SIGRTMIN],
722 [SIGRTMIN defined in <asm/signal.h>])
724 AC_CACHE_CHECK([for SA_RESTORER], [st_cv_SA_RESTORER],
725 [st_cv_SA_RESTORER="$(echo SA_RESTORER |
726 $CPP $CPPFLAGS -P -imacros asm/signal.h - |
728 test -n "$st_cv_SA_RESTORER" || st_cv_SA_RESTORER=no])
729 if test "x$st_cv_SA_RESTORER" != xno; then
730 AC_DEFINE_UNQUOTED([ASM_SA_RESTORER], [$st_cv_SA_RESTORER],
731 [SA_RESTORER defined in <asm/signal.h>])
734 AC_CACHE_CHECK([for __builtin_popcount], [st_cv_have___builtin_popcount],
735 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_popcount(0)])],
736 [st_cv_have___builtin_popcount=yes],
737 [st_cv_have___builtin_popcount=no])])
738 if test "x$st_cv_have___builtin_popcount" = xyes; then
739 AC_DEFINE([HAVE___BUILTIN_POPCOUNT], [1],
740 [Define to 1 if the system provides __builtin_popcount function])
743 AC_CHECK_LIB([dl], [dladdr], [dl_LIBS='-ldl'], [dl_LIBS=])
744 if test "x$ac_cv_lib_dl_dladdr" = xyes; then
745 AC_DEFINE([HAVE_DLADDR], [1], [Define to 1 if the system provides dladdr])
749 AC_PATH_PROG([PERL], [perl])
751 dnl stack trace with libunwind
755 AC_ARG_WITH([libunwind],
756 [AS_HELP_STRING([--with-libunwind],
757 [use libunwind to implement stack tracing support])],
758 [case "${withval}" in
760 *) with_libunwind=yes
761 libunwind_CPPFLAGS="-I${withval}/include"
762 libunwind_LDFLAGS="-L${withval}/lib" ;;
764 [with_libunwind=check]
768 AS_IF([test "x$with_libunwind" != xno],
769 [saved_CPPFLAGS="$CPPFLAGS"
770 CPPFLAGS="$CPPFLAGS $libunwind_CPPFLAGS"
772 AC_CHECK_HEADERS([libunwind-ptrace.h],
773 [saved_LDFLAGS="$LDFLAGS"
774 LDFLAGS="$LDFLAGS $libunwind_LDFLAGS"
776 AC_CHECK_LIB([unwind], [backtrace],
777 [libunwind_LIBS="-lunwind $libunwind_LIBS"
779 AC_MSG_CHECKING([for unw_create_addr_space in libunwind-generic])
781 LIBS="-lunwind-generic $libunwind_LIBS $LIBS"
784 [AC_LANG_PROGRAM([[#include <libunwind-ptrace.h>]],
785 [[return !unw_create_addr_space(0, 0)]])
787 [AC_MSG_RESULT([yes])
788 libunwind_LIBS="-lunwind-generic $libunwind_LIBS"
790 AC_CHECK_LIB([unwind-ptrace], [_UPT_create],
791 [libunwind_LIBS="-lunwind-ptrace $libunwind_LIBS"
794 [if test "x$with_libunwind" != xcheck; then
795 AC_MSG_FAILURE([failed to find _UPT_create in libunwind-ptrace])
802 if test "x$with_libunwind" != xcheck; then
803 AC_MSG_FAILURE([failed to find unw_create_addr_space in libunwind-generic])
810 [if test "x$with_libunwind" != xcheck; then
811 AC_MSG_FAILURE([failed to find libunwind])
817 LDFLAGS="$saved_LDFLAGS"
819 [if test "x$with_libunwind" != xcheck; then
820 AC_MSG_FAILURE([failed to find libunwind-ptrace.h])
825 CPPFLAGS="$saved_CPPFLAGS"
830 AC_MSG_CHECKING([whether to enable stack tracing support using libunwind])
831 if test "x$use_libunwind" = xyes; then
832 AC_DEFINE([USE_LIBUNWIND], 1, [Compile stack tracing functionality])
833 AC_SUBST(libunwind_LIBS)
834 AC_SUBST(libunwind_LDFLAGS)
835 AC_SUBST(libunwind_CPPFLAGS)
837 AM_CONDITIONAL([USE_LIBUNWIND], [test "x$use_libunwind" = xyes])
838 AC_MSG_RESULT([$use_libunwind])
840 if test "$arch" = mips && test "$no_create" != yes; then
842 if $srcdir/linux/mips/genstub.sh linux/mips; then
843 AC_MSG_RESULT([Generated MIPS syscallent stubs])
845 AC_MSG_FAILURE([Failed to generate syscallent stubs])
851 aarch64|powerpc64|sparc64|tile|x32|x86_64)
852 AC_MSG_CHECKING([for -m32 runtime support])
853 saved_CFLAGS="$CFLAGS"
854 CFLAGS="$CFLAGS -m32"
855 AC_RUN_IFELSE([AC_LANG_SOURCE([[int main(){return 0;}]])],
856 [have_m32=yes],[have_m32=no],[have_m32=no])
857 CFLAGS="$saved_CFLAGS"
858 AC_MSG_RESULT($have_m32)
861 AM_CONDITIONAL([HAVE_M32_RUNTIME], [test "$have_m32" = yes])
866 AC_MSG_CHECKING([for -mx32 runtime support])
867 saved_CFLAGS="$CFLAGS"
868 CFLAGS="$CFLAGS -mx32"
869 AC_RUN_IFELSE([AC_LANG_SOURCE([[int main(){return 0;}]])],
870 [have_mx32=yes],[have_mx32=no],[have_mx32=no])
871 CFLAGS="$saved_CFLAGS"
872 AC_MSG_RESULT($have_mx32)
875 AM_CONDITIONAL([HAVE_MX32_RUNTIME], [test "$have_mx32" = yes])
877 AC_CONFIG_FILES([Makefile tests/Makefile tests-m32/Makefile tests-mx32/Makefile])