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([
242 AC_CHECK_HEADERS(m4_normalize([
245 bluetooth/bluetooth.h
273 AC_CHECK_HEADERS([linux/icmp.h linux/in6.h linux/netlink.h linux/if_packet.h],
274 [], [], [#include <stddef.h>
275 #include <sys/socket.h>
276 #include <asm/types.h>])
277 AC_CHECK_HEADERS([asm/sigcontext.h], [], [], [#include <signal.h>])
278 AC_CHECK_TYPES([struct sigcontext],,, [#include <signal.h>])
279 AC_CHECK_HEADERS([netinet/tcp.h netinet/udp.h],,, [#include <netinet/in.h>])
281 AC_CHECK_TYPES([struct mmsghdr],,, [#include <sys/socket.h>])
282 AC_CHECK_MEMBERS([struct msghdr.msg_control],,, [#include <sys/socket.h>])
284 AC_CHECK_TYPES([struct stat64],,, [#include <sys/types.h>
285 #include <asm/stat.h>])
286 AC_CHECK_TYPES([struct __old_kernel_stat],,, [#include <asm/stat.h>])
287 AC_CHECK_TYPES([struct statfs64],,, [#include <sys/vfs.h>])
289 AC_CHECK_TYPES([struct pt_all_user_regs, struct ia64_fpreg, struct ptrace_peeksiginfo_args],,,
290 [#include <sys/ptrace.h>])
292 AC_CHECK_MEMBERS([struct utsname.domainname],,, [#include <sys/utsname.h>])
294 AC_CHECK_MEMBERS([struct sigevent._sigev_un._pad,
295 struct sigevent.__pad,
296 siginfo_t.si_syscall,
297 siginfo_t.si_timerid,
298 siginfo_t.si_overrun],,, [#include <signal.h>])
300 AC_CHECK_MEMBERS([struct sysinfo.totalhigh,
301 struct sysinfo.freehigh,
302 struct sysinfo.mem_unit],,, [#include <sys/sysinfo.h>])
304 AC_CHECK_TYPES([struct flock64],,, [#include <fcntl.h>])
306 AC_CHECK_HEADERS([libaio.h], [
307 AC_CHECK_MEMBERS([struct iocb.u.c.flags],,, [#include <libaio.h>])
308 AC_CHECK_DECLS([IO_CMD_PWRITE, IO_CMD_PWRITEV],,, [#include <libaio.h>])
311 AC_CHECK_HEADERS([linux/input.h], [
312 AC_CHECK_MEMBERS([struct input_absinfo.resolution],,, [#include <linux/input.h>])
315 AC_CHECK_DECLS([sys_errlist])
316 AC_CHECK_DECLS(m4_normalize([
319 ]),,, [#include <sys/ptrace.h>])
321 AC_CHECK_DECLS(m4_normalize([
331 ]),,, [#include <sys/wait.h>])
333 AC_CHECK_DECLS(m4_normalize([
337 ]),,, [#include <linux/loop.h>])
339 AC_CHECK_DECLS(m4_normalize([
369 KERN_PPC_HTABRECLAIM,
371 KERN_PPC_POWERSAVE_NAP,
394 KERN_IEEE_EMULATION_WARNINGS,
395 KERN_S390_USER_DEBUG_LOGGING,
404 KERN_PRINTK_RATELIMIT,
405 KERN_PRINTK_RATELIMIT_BURST,
408 KERN_SPARC_SCONS_PWROFF,
410 KERN_UNKNOWN_NMI_PANIC,
411 KERN_BOOTLOADER_TYPE,
413 KERN_SETUID_DUMPABLE,
415 KERN_ACPI_VIDEO_FLAGS,
444 NET_CORE_WMEM_DEFAULT,
445 NET_CORE_RMEM_DEFAULT,
446 NET_CORE_DESTROY_DELAY,
447 NET_CORE_MAX_BACKLOG,
452 NET_CORE_HOT_LIST_LENGTH,
453 NET_CORE_DIVERT_VERSION,
454 NET_CORE_NO_CONG_THRESH,
461 NET_CORE_AEVENT_ETIME,
462 NET_CORE_AEVENT_RSEQTH,
471 NET_IPV4_TCP_TIMESTAMPS,
472 NET_IPV4_TCP_WINDOW_SCALING,
474 NET_IPV4_TCP_RETRANS_COLLAPSE,
475 NET_IPV4_DEFAULT_TTL,
477 NET_IPV4_NO_PMTU_DISC,
478 NET_IPV4_TCP_SYN_RETRIES,
479 NET_IPV4_IPFRAG_HIGH_THRESH,
480 NET_IPV4_IPFRAG_LOW_THRESH,
481 NET_IPV4_IPFRAG_TIME,
482 NET_IPV4_TCP_MAX_KA_PROBES,
483 NET_IPV4_TCP_KEEPALIVE_TIME,
484 NET_IPV4_TCP_KEEPALIVE_PROBES,
485 NET_IPV4_TCP_RETRIES1,
486 NET_IPV4_TCP_RETRIES2,
487 NET_IPV4_TCP_FIN_TIMEOUT,
488 NET_IPV4_IP_MASQ_DEBUG,
492 NET_TCP_SYN_TAILDROP,
493 NET_TCP_MAX_SYN_BACKLOG,
494 NET_IPV4_LOCAL_PORT_RANGE,
495 NET_IPV4_ICMP_ECHO_IGNORE_ALL,
496 NET_IPV4_ICMP_ECHO_IGNORE_BROADCASTS,
497 NET_IPV4_ICMP_SOURCEQUENCH_RATE,
498 NET_IPV4_ICMP_DESTUNREACH_RATE,
499 NET_IPV4_ICMP_TIMEEXCEED_RATE,
500 NET_IPV4_ICMP_PARAMPROB_RATE,
501 NET_IPV4_ICMP_ECHOREPLY_RATE,
502 NET_IPV4_ICMP_IGNORE_BOGUS_ERROR_RESPONSES,
503 NET_IPV4_IGMP_MAX_MEMBERSHIPS,
505 NET_IPV4_ALWAYS_DEFRAG,
506 NET_IPV4_TCP_KEEPALIVE_INTVL,
507 NET_IPV4_INET_PEER_THRESHOLD,
508 NET_IPV4_INET_PEER_MINTTL,
509 NET_IPV4_INET_PEER_MAXTTL,
510 NET_IPV4_INET_PEER_GC_MINTIME,
511 NET_IPV4_INET_PEER_GC_MAXTIME,
512 NET_TCP_ORPHAN_RETRIES,
513 NET_TCP_ABORT_ON_OVERFLOW,
514 NET_TCP_SYNACK_RETRIES,
516 NET_TCP_MAX_TW_BUCKETS,
525 NET_TCP_ADV_WIN_SCALE,
526 NET_IPV4_NONLOCAL_BIND,
527 NET_IPV4_ICMP_RATELIMIT,
528 NET_IPV4_ICMP_RATEMASK,
532 NET_IPV4_IPFRAG_SECRET_INTERVAL,
533 NET_IPV4_IGMP_MAX_MSF,
534 NET_TCP_NO_METRICS_SAVE,
535 NET_TCP_DEFAULT_WIN_SCALE,
536 NET_TCP_MODERATE_RCVBUF,
537 NET_TCP_TSO_WIN_DIVISOR,
539 NET_IPV4_ICMP_ERRORS_USE_INBOUND_IFADDR,
540 NET_TCP_CONG_CONTROL,
542 NET_IPV4_IPFRAG_MAX_DIST,
545 NET_IPV4_TCP_WORKAROUND_SIGNED_WINDOWS,
546 NET_TCP_DMA_COPYBREAK,
547 NET_TCP_SLOW_START_AFTER_IDLE,
548 NET_CIPSOV4_CACHE_ENABLE,
549 NET_CIPSOV4_CACHE_BUCKET_SIZE,
550 NET_CIPSOV4_RBM_OPTFMT,
551 NET_CIPSOV4_RBM_STRICTVALID,
552 NET_TCP_AVAIL_CONG_CONTROL,
553 NET_TCP_ALLOWED_CONG_CONTROL,
554 NET_TCP_MAX_SSTHRESH,
555 NET_TCP_FRTO_RESPONSE,
556 NET_IPV4_ROUTE_FLUSH,
557 NET_IPV4_ROUTE_MIN_DELAY,
558 NET_IPV4_ROUTE_MAX_DELAY,
559 NET_IPV4_ROUTE_GC_THRESH,
560 NET_IPV4_ROUTE_MAX_SIZE,
561 NET_IPV4_ROUTE_GC_MIN_INTERVAL,
562 NET_IPV4_ROUTE_GC_TIMEOUT,
563 NET_IPV4_ROUTE_GC_INTERVAL,
564 NET_IPV4_ROUTE_REDIRECT_LOAD,
565 NET_IPV4_ROUTE_REDIRECT_NUMBER,
566 NET_IPV4_ROUTE_REDIRECT_SILENCE,
567 NET_IPV4_ROUTE_ERROR_COST,
568 NET_IPV4_ROUTE_ERROR_BURST,
569 NET_IPV4_ROUTE_GC_ELASTICITY,
570 NET_IPV4_ROUTE_MTU_EXPIRES,
571 NET_IPV4_ROUTE_MIN_PMTU,
572 NET_IPV4_ROUTE_MIN_ADVMSS,
573 NET_IPV4_ROUTE_SECRET_INTERVAL,
574 NET_IPV4_ROUTE_GC_MIN_INTERVAL_MS,
575 NET_IPV4_CONF_FORWARDING,
576 NET_IPV4_CONF_MC_FORWARDING,
577 NET_IPV4_CONF_PROXY_ARP,
578 NET_IPV4_CONF_ACCEPT_REDIRECTS,
579 NET_IPV4_CONF_SECURE_REDIRECTS,
580 NET_IPV4_CONF_SEND_REDIRECTS,
581 NET_IPV4_CONF_SHARED_MEDIA,
582 NET_IPV4_CONF_RP_FILTER,
583 NET_IPV4_CONF_ACCEPT_SOURCE_ROUTE,
584 NET_IPV4_CONF_BOOTP_RELAY,
585 NET_IPV4_CONF_LOG_MARTIANS,
587 NET_IPV4_CONF_ARPFILTER,
588 NET_IPV4_CONF_MEDIUM_ID,
589 NET_IPV4_CONF_NOXFRM,
590 NET_IPV4_CONF_NOPOLICY,
591 NET_IPV4_CONF_FORCE_IGMP_VERSION,
592 NET_IPV4_CONF_ARP_ANNOUNCE,
593 NET_IPV4_CONF_ARP_IGNORE,
594 NET_IPV4_CONF_PROMOTE_SECONDARIES,
595 NET_IPV4_CONF_ARP_ACCEPT,
596 NET_IPV4_CONF_ARP_NOTIFY,
602 NET_IPV6_IP6FRAG_HIGH_THRESH,
603 NET_IPV6_IP6FRAG_LOW_THRESH,
604 NET_IPV6_IP6FRAG_TIME,
605 NET_IPV6_IP6FRAG_SECRET_INTERVAL,
606 NET_IPV6_MLD_MAX_MSF,
607 NET_IPV6_ROUTE_FLUSH,
608 NET_IPV6_ROUTE_GC_THRESH,
609 NET_IPV6_ROUTE_MAX_SIZE,
610 NET_IPV6_ROUTE_GC_MIN_INTERVAL,
611 NET_IPV6_ROUTE_GC_TIMEOUT,
612 NET_IPV6_ROUTE_GC_INTERVAL,
613 NET_IPV6_ROUTE_GC_ELASTICITY,
614 NET_IPV6_ROUTE_MTU_EXPIRES,
615 NET_IPV6_ROUTE_MIN_ADVMSS,
616 NET_IPV6_ROUTE_GC_MIN_INTERVAL_MS,
617 NET_UNIX_DESTROY_DELAY,
618 NET_UNIX_DELETE_DELAY,
619 NET_UNIX_MAX_DGRAM_QLEN,
620 VM_OVERCOMMIT_MEMORY,
626 VM_NR_PDFLUSH_THREADS,
631 VM_LOWMEM_RESERVE_RATIO,
637 VM_VFS_CACHE_PRESSURE,
639 VM_SWAP_TOKEN_TIMEOUT
641 [#include <sys/types.h>
642 #include <linux/sysctl.h>])
644 AC_CHECK_DECLS(m4_normalize([
649 V4L2_FIELD_INTERLACED,
652 V4L2_FIELD_ALTERNATE,
653 V4L2_FIELD_INTERLACED_TB,
654 V4L2_FIELD_INTERLACED_BT,
655 V4L2_BUF_TYPE_VIDEO_CAPTURE,
656 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
657 V4L2_BUF_TYPE_VIDEO_OUTPUT,
658 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
659 V4L2_BUF_TYPE_VIDEO_OVERLAY,
660 V4L2_BUF_TYPE_VBI_CAPTURE,
661 V4L2_BUF_TYPE_VBI_OUTPUT,
662 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE,
663 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT,
664 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY,
666 V4L2_TUNER_ANALOG_TV,
667 V4L2_TUNER_DIGITAL_TV,
672 V4L2_COLORSPACE_SMPTE170M,
673 V4L2_COLORSPACE_SMPTE240M,
674 V4L2_COLORSPACE_REC709,
675 V4L2_COLORSPACE_BT878,
676 V4L2_COLORSPACE_470_SYSTEM_M,
677 V4L2_COLORSPACE_470_SYSTEM_BG,
678 V4L2_COLORSPACE_JPEG,
679 V4L2_COLORSPACE_SRGB,
681 V4L2_PRIORITY_BACKGROUND,
682 V4L2_PRIORITY_INTERACTIVE,
683 V4L2_PRIORITY_RECORD,
684 V4L2_FRMSIZE_TYPE_DISCRETE,
685 V4L2_FRMSIZE_TYPE_CONTINUOUS,
686 V4L2_FRMSIZE_TYPE_STEPWISE,
687 V4L2_FRMIVAL_TYPE_DISCRETE,
688 V4L2_FRMIVAL_TYPE_CONTINUOUS,
689 V4L2_FRMIVAL_TYPE_STEPWISE,
690 V4L2_CTRL_TYPE_INTEGER,
691 V4L2_CTRL_TYPE_BOOLEAN,
693 V4L2_CTRL_TYPE_BUTTON,
694 V4L2_CTRL_TYPE_INTEGER64,
695 V4L2_CTRL_TYPE_CTRL_CLASS,
696 V4L2_CTRL_TYPE_STRING,
697 V4L2_CTRL_TYPE_BITMASK,
698 V4L2_CTRL_TYPE_INTEGER_MENU
699 ]),,, [#include <linux/videodev2.h>])
701 AC_CACHE_CHECK([for BLKGETSIZE64], [ac_cv_have_blkgetsize64],
702 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
704 #include <linux/fs.h>], [return !BLKGETSIZE64;])],
705 [ac_cv_have_blkgetsize64=yes], [ac_cv_have_blkgetsize64=no])]
706 if test $ac_cv_have_blkgetsize64 = yes; then
707 AC_DEFINE([HAVE_BLKGETSIZE64], [1], [Define to 1 if you have BLKGETSIZE64.])
710 AC_CHECK_SIZEOF([long])
711 AC_CHECK_SIZEOF([long long])
712 AC_CHECK_SIZEOF([off_t],,[#include <sys/types.h>])
714 AC_CACHE_CHECK([for SIGRTMIN], [st_cv_SIGRTMIN],
715 [[st_cv_SIGRTMIN="$(echo SIGRTMIN |
716 $CPP $CPPFLAGS -P -imacros asm/signal.h - |
718 test -n "$st_cv_SIGRTMIN" || st_cv_SIGRTMIN=no]])
719 if test "x$st_cv_SIGRTMIN" != xno; then
720 AC_DEFINE_UNQUOTED([ASM_SIGRTMIN], [$st_cv_SIGRTMIN],
721 [SIGRTMIN defined in <asm/signal.h>])
723 AC_CACHE_CHECK([for SA_RESTORER], [st_cv_SA_RESTORER],
724 [st_cv_SA_RESTORER="$(echo SA_RESTORER |
725 $CPP $CPPFLAGS -P -imacros asm/signal.h - |
727 test -n "$st_cv_SA_RESTORER" || st_cv_SA_RESTORER=no])
728 if test "x$st_cv_SA_RESTORER" != xno; then
729 AC_DEFINE_UNQUOTED([ASM_SA_RESTORER], [$st_cv_SA_RESTORER],
730 [SA_RESTORER defined in <asm/signal.h>])
733 AC_CACHE_CHECK([for __builtin_popcount], [st_cv_have___builtin_popcount],
734 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_popcount(0)])],
735 [st_cv_have___builtin_popcount=yes],
736 [st_cv_have___builtin_popcount=no])])
737 if test "x$st_cv_have___builtin_popcount" = xyes; then
738 AC_DEFINE([HAVE___BUILTIN_POPCOUNT], [1],
739 [Define to 1 if the system provides __builtin_popcount function])
742 AC_CHECK_LIB([dl], [dladdr], [dl_LIBS='-ldl'], [dl_LIBS=])
743 if test "x$ac_cv_lib_dl_dladdr" = xyes; then
744 AC_DEFINE([HAVE_DLADDR], [1], [Define to 1 if the system provides dladdr])
748 AC_PATH_PROG([PERL], [perl])
750 dnl stack trace with libunwind
754 AC_ARG_WITH([libunwind],
755 [AS_HELP_STRING([--with-libunwind],
756 [use libunwind to implement stack tracing support])],
757 [case "${withval}" in
759 *) with_libunwind=yes
760 libunwind_CPPFLAGS="-I${withval}/include"
761 libunwind_LDFLAGS="-L${withval}/lib" ;;
763 [with_libunwind=check]
767 AS_IF([test "x$with_libunwind" != xno],
768 [saved_CPPFLAGS="$CPPFLAGS"
769 CPPFLAGS="$CPPFLAGS $libunwind_CPPFLAGS"
771 AC_CHECK_HEADERS([libunwind-ptrace.h],
772 [saved_LDFLAGS="$LDFLAGS"
773 LDFLAGS="$LDFLAGS $libunwind_LDFLAGS"
775 AC_CHECK_LIB([unwind], [backtrace],
776 [libunwind_LIBS="-lunwind $libunwind_LIBS"
778 AC_MSG_CHECKING([for unw_create_addr_space in libunwind-generic])
780 LIBS="-lunwind-generic $libunwind_LIBS $LIBS"
783 [AC_LANG_PROGRAM([[#include <libunwind-ptrace.h>]],
784 [[return !unw_create_addr_space(0, 0)]])
786 [AC_MSG_RESULT([yes])
787 libunwind_LIBS="-lunwind-generic $libunwind_LIBS"
789 AC_CHECK_LIB([unwind-ptrace], [_UPT_create],
790 [libunwind_LIBS="-lunwind-ptrace $libunwind_LIBS"
793 [if test "x$with_libunwind" != xcheck; then
794 AC_MSG_FAILURE([failed to find _UPT_create in libunwind-ptrace])
801 if test "x$with_libunwind" != xcheck; then
802 AC_MSG_FAILURE([failed to find unw_create_addr_space in libunwind-generic])
809 [if test "x$with_libunwind" != xcheck; then
810 AC_MSG_FAILURE([failed to find libunwind])
816 LDFLAGS="$saved_LDFLAGS"
818 [if test "x$with_libunwind" != xcheck; then
819 AC_MSG_FAILURE([failed to find libunwind-ptrace.h])
824 CPPFLAGS="$saved_CPPFLAGS"
829 AC_MSG_CHECKING([whether to enable stack tracing support using libunwind])
830 if test "x$use_libunwind" = xyes; then
831 AC_DEFINE([USE_LIBUNWIND], 1, [Compile stack tracing functionality])
832 AC_SUBST(libunwind_LIBS)
833 AC_SUBST(libunwind_LDFLAGS)
834 AC_SUBST(libunwind_CPPFLAGS)
836 AM_CONDITIONAL([USE_LIBUNWIND], [test "x$use_libunwind" = xyes])
837 AC_MSG_RESULT([$use_libunwind])
839 if test "$arch" = mips && test "$no_create" != yes; then
841 if $srcdir/linux/mips/genstub.sh linux/mips; then
842 AC_MSG_RESULT([Generated MIPS syscallent stubs])
844 AC_MSG_FAILURE([Failed to generate syscallent stubs])
850 aarch64|powerpc64|sparc64|tile|x32|x86_64)
851 AC_MSG_CHECKING([for -m32 runtime support])
852 saved_CFLAGS="$CFLAGS"
853 CFLAGS="$CFLAGS -m32"
854 AC_RUN_IFELSE([AC_LANG_SOURCE([[int main(){return 0;}]])],
855 [have_m32=yes],[have_m32=no],[have_m32=no])
856 CFLAGS="$saved_CFLAGS"
857 AC_MSG_RESULT($have_m32)
860 AM_CONDITIONAL([HAVE_M32_RUNTIME], [test "$have_m32" = yes])
865 AC_MSG_CHECKING([for -mx32 runtime support])
866 saved_CFLAGS="$CFLAGS"
867 CFLAGS="$CFLAGS -mx32"
868 AC_RUN_IFELSE([AC_LANG_SOURCE([[int main(){return 0;}]])],
869 [have_mx32=yes],[have_mx32=no],[have_mx32=no])
870 CFLAGS="$saved_CFLAGS"
871 AC_MSG_RESULT($have_mx32)
874 AM_CONDITIONAL([HAVE_MX32_RUNTIME], [test "$have_mx32" = yes])
876 AC_CONFIG_FILES([Makefile tests/Makefile tests-m32/Makefile tests-mx32/Makefile])