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([NIOS2], 1, [Define for the Nios-II architecture.])
135 AC_DEFINE([OR1K], 1, [Define for the OpenRISC 1000 architecture.])
140 AC_DEFINE([XTENSA], 1, [Define for the Xtensa architecture])
145 AC_MSG_ERROR([architecture $host_cpu is not supported by strace])
152 if test "$arch" = mips; then
153 AC_CACHE_CHECK([for MIPS ABI], [ac_cv_mips_abi],
155 [AC_LANG_PROGRAM([[#include <sgidefs.h>]],
156 [[int i[_MIPS_SIM == _MIPS_SIM_ABI32 ? 1 : - 1];]])],
157 [ac_cv_mips_abi=o32],
159 [AC_LANG_PROGRAM([[#include <sgidefs.h>]],
160 [[int i[_MIPS_SIM == _MIPS_SIM_NABI32 ? 1 : - 1];]])],
161 [ac_cv_mips_abi=n32],
163 [AC_LANG_PROGRAM([[#include <sgidefs.h>]],
164 [[int i[_MIPS_SIM == _MIPS_SIM_ABI64 ? 1 : - 1];]])],
165 [ac_cv_mips_abi=n64],
166 [ac_cv_mips_abi=unknown])])])])
167 case "$ac_cv_mips_abi" in
168 o32) AC_DEFINE([LINUX_MIPSO32], [1], [Define for _MIPS_SIM_ABI32.]);;
169 n32) AC_DEFINE([LINUX_MIPSN32], [1], [Define for _MIPS_SIM_NABI32.]);;
170 n64) AC_DEFINE([LINUX_MIPSN64], [1], [Define for _MIPS_SIM_ABI64.]);;
171 *) AC_MSG_ERROR([Unsupported _MIPS_SIM]);;
175 AC_ARG_ENABLE([arm-oabi],
176 [AS_HELP_STRING([--enable-arm-oabi],
177 [enable OABI support on ARM EABI])],
178 [], [enable_arm_oabi=no])
179 case "$enable_arm_oabi" in
180 yes) enable_arm_oabi=1 ;;
181 no) enable_arm_oabi=0 ;;
182 *) AC_MSG_ERROR([bad value $enable_arm_oabi for arm-oabi option]) ;;
184 AC_DEFINE_UNQUOTED([ENABLE_ARM_OABI], [$enable_arm_oabi],
185 [Define to 1 if you want OABI support on ARM EABI.])
188 gl_WARN_ADD([-Wwrite-strings])
189 gl_WARN_ADD([-Wsign-compare])
190 AC_ARG_ENABLE([gcc-Werror],
191 [AS_HELP_STRING([--enable-gcc-Werror], [turn on gcc's -Werror option])],
193 yes) gl_WARN_ADD([-Werror]) ;;
195 *) AC_MSG_ERROR([bad value $enableval for gcc-Werror option]) ;;
198 AC_SUBST([WARN_CFLAGS])
208 AC_CHECK_MEMBERS(m4_normalize([
209 struct stat.st_blksize,
210 struct stat.st_blocks,
211 struct stat.st_flags,
212 struct stat.st_fstype,
222 AC_CHECK_TYPES([sig_atomic_t],,, [#include <signal.h>])
223 AC_CHECK_MEMBERS([struct sockaddr_in6.sin6_scope_id],,,
224 [#include <sys/types.h>
225 #include <sys/socket.h>
226 #include <netinet/in.h>])
227 AC_LITTLE_ENDIAN_LONG_LONG
229 AC_CHECK_FUNCS(m4_normalize([
248 AC_CHECK_HEADERS(m4_normalize([
251 bluetooth/bluetooth.h
279 AC_CHECK_HEADERS([linux/icmp.h linux/in6.h linux/netlink.h linux/if_packet.h],
280 [], [], [#include <stddef.h>
281 #include <sys/socket.h>
282 #include <asm/types.h>])
283 AC_CHECK_HEADERS([asm/sigcontext.h], [], [], [#include <signal.h>])
284 AC_CHECK_TYPES([struct sigcontext],,, [#include <signal.h>])
285 AC_CHECK_HEADERS([netinet/tcp.h netinet/udp.h],,, [#include <netinet/in.h>])
287 AC_CHECK_TYPES([struct mmsghdr],,, [#include <sys/socket.h>])
288 AC_CHECK_MEMBERS([struct msghdr.msg_control],,, [#include <sys/socket.h>])
290 AC_CHECK_TYPES([struct stat64],,, [#include <sys/types.h>
291 #include <asm/stat.h>])
292 AC_CHECK_TYPES([struct __old_kernel_stat],,, [#include <asm/stat.h>])
293 AC_CHECK_TYPES([struct statfs64],,, [#include <sys/vfs.h>])
295 AC_CHECK_TYPES([struct pt_all_user_regs, struct ia64_fpreg, struct ptrace_peeksiginfo_args],,,
296 [#include <sys/ptrace.h>])
298 AC_CHECK_MEMBERS([struct utsname.domainname],,, [#include <sys/utsname.h>])
300 AC_CHECK_MEMBERS([struct sigevent._sigev_un._pad,
301 struct sigevent.__pad,
302 siginfo_t.si_syscall,
303 siginfo_t.si_timerid,
304 siginfo_t.si_overrun],,, [#include <signal.h>])
306 AC_CHECK_MEMBERS([struct sysinfo.totalhigh,
307 struct sysinfo.freehigh,
308 struct sysinfo.mem_unit],,, [#include <sys/sysinfo.h>])
310 AC_CHECK_TYPES([struct flock64],,, [#include <fcntl.h>])
312 AC_CHECK_HEADERS([libaio.h], [
313 AC_CHECK_MEMBERS([struct iocb.u.c.flags],,, [#include <libaio.h>])
314 AC_CHECK_DECLS([IO_CMD_PWRITE, IO_CMD_PWRITEV],,, [#include <libaio.h>])
317 AC_CHECK_HEADERS([linux/input.h], [
318 AC_CHECK_MEMBERS([struct input_absinfo.resolution],,, [#include <linux/input.h>])
321 AC_CHECK_DECLS([sys_errlist])
322 AC_CHECK_DECLS(m4_normalize([
325 ]),,, [#include <sys/ptrace.h>])
327 AC_CHECK_DECLS(m4_normalize([
337 ]),,, [#include <sys/wait.h>])
339 AC_CHECK_DECLS(m4_normalize([
343 ]),,, [#include <linux/loop.h>])
345 AC_CHECK_DECLS(m4_normalize([
375 KERN_PPC_HTABRECLAIM,
377 KERN_PPC_POWERSAVE_NAP,
400 KERN_IEEE_EMULATION_WARNINGS,
401 KERN_S390_USER_DEBUG_LOGGING,
410 KERN_PRINTK_RATELIMIT,
411 KERN_PRINTK_RATELIMIT_BURST,
414 KERN_SPARC_SCONS_PWROFF,
416 KERN_UNKNOWN_NMI_PANIC,
417 KERN_BOOTLOADER_TYPE,
419 KERN_SETUID_DUMPABLE,
421 KERN_ACPI_VIDEO_FLAGS,
450 NET_CORE_WMEM_DEFAULT,
451 NET_CORE_RMEM_DEFAULT,
452 NET_CORE_DESTROY_DELAY,
453 NET_CORE_MAX_BACKLOG,
458 NET_CORE_HOT_LIST_LENGTH,
459 NET_CORE_DIVERT_VERSION,
460 NET_CORE_NO_CONG_THRESH,
467 NET_CORE_AEVENT_ETIME,
468 NET_CORE_AEVENT_RSEQTH,
477 NET_IPV4_TCP_TIMESTAMPS,
478 NET_IPV4_TCP_WINDOW_SCALING,
480 NET_IPV4_TCP_RETRANS_COLLAPSE,
481 NET_IPV4_DEFAULT_TTL,
483 NET_IPV4_NO_PMTU_DISC,
484 NET_IPV4_TCP_SYN_RETRIES,
485 NET_IPV4_IPFRAG_HIGH_THRESH,
486 NET_IPV4_IPFRAG_LOW_THRESH,
487 NET_IPV4_IPFRAG_TIME,
488 NET_IPV4_TCP_MAX_KA_PROBES,
489 NET_IPV4_TCP_KEEPALIVE_TIME,
490 NET_IPV4_TCP_KEEPALIVE_PROBES,
491 NET_IPV4_TCP_RETRIES1,
492 NET_IPV4_TCP_RETRIES2,
493 NET_IPV4_TCP_FIN_TIMEOUT,
494 NET_IPV4_IP_MASQ_DEBUG,
498 NET_TCP_SYN_TAILDROP,
499 NET_TCP_MAX_SYN_BACKLOG,
500 NET_IPV4_LOCAL_PORT_RANGE,
501 NET_IPV4_ICMP_ECHO_IGNORE_ALL,
502 NET_IPV4_ICMP_ECHO_IGNORE_BROADCASTS,
503 NET_IPV4_ICMP_SOURCEQUENCH_RATE,
504 NET_IPV4_ICMP_DESTUNREACH_RATE,
505 NET_IPV4_ICMP_TIMEEXCEED_RATE,
506 NET_IPV4_ICMP_PARAMPROB_RATE,
507 NET_IPV4_ICMP_ECHOREPLY_RATE,
508 NET_IPV4_ICMP_IGNORE_BOGUS_ERROR_RESPONSES,
509 NET_IPV4_IGMP_MAX_MEMBERSHIPS,
511 NET_IPV4_ALWAYS_DEFRAG,
512 NET_IPV4_TCP_KEEPALIVE_INTVL,
513 NET_IPV4_INET_PEER_THRESHOLD,
514 NET_IPV4_INET_PEER_MINTTL,
515 NET_IPV4_INET_PEER_MAXTTL,
516 NET_IPV4_INET_PEER_GC_MINTIME,
517 NET_IPV4_INET_PEER_GC_MAXTIME,
518 NET_TCP_ORPHAN_RETRIES,
519 NET_TCP_ABORT_ON_OVERFLOW,
520 NET_TCP_SYNACK_RETRIES,
522 NET_TCP_MAX_TW_BUCKETS,
531 NET_TCP_ADV_WIN_SCALE,
532 NET_IPV4_NONLOCAL_BIND,
533 NET_IPV4_ICMP_RATELIMIT,
534 NET_IPV4_ICMP_RATEMASK,
538 NET_IPV4_IPFRAG_SECRET_INTERVAL,
539 NET_IPV4_IGMP_MAX_MSF,
540 NET_TCP_NO_METRICS_SAVE,
541 NET_TCP_DEFAULT_WIN_SCALE,
542 NET_TCP_MODERATE_RCVBUF,
543 NET_TCP_TSO_WIN_DIVISOR,
545 NET_IPV4_ICMP_ERRORS_USE_INBOUND_IFADDR,
546 NET_TCP_CONG_CONTROL,
548 NET_IPV4_IPFRAG_MAX_DIST,
551 NET_IPV4_TCP_WORKAROUND_SIGNED_WINDOWS,
552 NET_TCP_DMA_COPYBREAK,
553 NET_TCP_SLOW_START_AFTER_IDLE,
554 NET_CIPSOV4_CACHE_ENABLE,
555 NET_CIPSOV4_CACHE_BUCKET_SIZE,
556 NET_CIPSOV4_RBM_OPTFMT,
557 NET_CIPSOV4_RBM_STRICTVALID,
558 NET_TCP_AVAIL_CONG_CONTROL,
559 NET_TCP_ALLOWED_CONG_CONTROL,
560 NET_TCP_MAX_SSTHRESH,
561 NET_TCP_FRTO_RESPONSE,
562 NET_IPV4_ROUTE_FLUSH,
563 NET_IPV4_ROUTE_MIN_DELAY,
564 NET_IPV4_ROUTE_MAX_DELAY,
565 NET_IPV4_ROUTE_GC_THRESH,
566 NET_IPV4_ROUTE_MAX_SIZE,
567 NET_IPV4_ROUTE_GC_MIN_INTERVAL,
568 NET_IPV4_ROUTE_GC_TIMEOUT,
569 NET_IPV4_ROUTE_GC_INTERVAL,
570 NET_IPV4_ROUTE_REDIRECT_LOAD,
571 NET_IPV4_ROUTE_REDIRECT_NUMBER,
572 NET_IPV4_ROUTE_REDIRECT_SILENCE,
573 NET_IPV4_ROUTE_ERROR_COST,
574 NET_IPV4_ROUTE_ERROR_BURST,
575 NET_IPV4_ROUTE_GC_ELASTICITY,
576 NET_IPV4_ROUTE_MTU_EXPIRES,
577 NET_IPV4_ROUTE_MIN_PMTU,
578 NET_IPV4_ROUTE_MIN_ADVMSS,
579 NET_IPV4_ROUTE_SECRET_INTERVAL,
580 NET_IPV4_ROUTE_GC_MIN_INTERVAL_MS,
581 NET_IPV4_CONF_FORWARDING,
582 NET_IPV4_CONF_MC_FORWARDING,
583 NET_IPV4_CONF_PROXY_ARP,
584 NET_IPV4_CONF_ACCEPT_REDIRECTS,
585 NET_IPV4_CONF_SECURE_REDIRECTS,
586 NET_IPV4_CONF_SEND_REDIRECTS,
587 NET_IPV4_CONF_SHARED_MEDIA,
588 NET_IPV4_CONF_RP_FILTER,
589 NET_IPV4_CONF_ACCEPT_SOURCE_ROUTE,
590 NET_IPV4_CONF_BOOTP_RELAY,
591 NET_IPV4_CONF_LOG_MARTIANS,
593 NET_IPV4_CONF_ARPFILTER,
594 NET_IPV4_CONF_MEDIUM_ID,
595 NET_IPV4_CONF_NOXFRM,
596 NET_IPV4_CONF_NOPOLICY,
597 NET_IPV4_CONF_FORCE_IGMP_VERSION,
598 NET_IPV4_CONF_ARP_ANNOUNCE,
599 NET_IPV4_CONF_ARP_IGNORE,
600 NET_IPV4_CONF_PROMOTE_SECONDARIES,
601 NET_IPV4_CONF_ARP_ACCEPT,
602 NET_IPV4_CONF_ARP_NOTIFY,
608 NET_IPV6_IP6FRAG_HIGH_THRESH,
609 NET_IPV6_IP6FRAG_LOW_THRESH,
610 NET_IPV6_IP6FRAG_TIME,
611 NET_IPV6_IP6FRAG_SECRET_INTERVAL,
612 NET_IPV6_MLD_MAX_MSF,
613 NET_IPV6_ROUTE_FLUSH,
614 NET_IPV6_ROUTE_GC_THRESH,
615 NET_IPV6_ROUTE_MAX_SIZE,
616 NET_IPV6_ROUTE_GC_MIN_INTERVAL,
617 NET_IPV6_ROUTE_GC_TIMEOUT,
618 NET_IPV6_ROUTE_GC_INTERVAL,
619 NET_IPV6_ROUTE_GC_ELASTICITY,
620 NET_IPV6_ROUTE_MTU_EXPIRES,
621 NET_IPV6_ROUTE_MIN_ADVMSS,
622 NET_IPV6_ROUTE_GC_MIN_INTERVAL_MS,
623 NET_UNIX_DESTROY_DELAY,
624 NET_UNIX_DELETE_DELAY,
625 NET_UNIX_MAX_DGRAM_QLEN,
626 VM_OVERCOMMIT_MEMORY,
632 VM_NR_PDFLUSH_THREADS,
637 VM_LOWMEM_RESERVE_RATIO,
643 VM_VFS_CACHE_PRESSURE,
645 VM_SWAP_TOKEN_TIMEOUT
647 [#include <sys/types.h>
648 #include <linux/sysctl.h>])
650 AC_CHECK_DECLS(m4_normalize([
655 V4L2_FIELD_INTERLACED,
658 V4L2_FIELD_ALTERNATE,
659 V4L2_FIELD_INTERLACED_TB,
660 V4L2_FIELD_INTERLACED_BT,
661 V4L2_BUF_TYPE_VIDEO_CAPTURE,
662 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
663 V4L2_BUF_TYPE_VIDEO_OUTPUT,
664 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
665 V4L2_BUF_TYPE_VIDEO_OVERLAY,
666 V4L2_BUF_TYPE_VBI_CAPTURE,
667 V4L2_BUF_TYPE_VBI_OUTPUT,
668 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE,
669 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT,
670 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY,
672 V4L2_TUNER_ANALOG_TV,
673 V4L2_TUNER_DIGITAL_TV,
678 V4L2_COLORSPACE_SMPTE170M,
679 V4L2_COLORSPACE_SMPTE240M,
680 V4L2_COLORSPACE_REC709,
681 V4L2_COLORSPACE_BT878,
682 V4L2_COLORSPACE_470_SYSTEM_M,
683 V4L2_COLORSPACE_470_SYSTEM_BG,
684 V4L2_COLORSPACE_JPEG,
685 V4L2_COLORSPACE_SRGB,
687 V4L2_PRIORITY_BACKGROUND,
688 V4L2_PRIORITY_INTERACTIVE,
689 V4L2_PRIORITY_RECORD,
690 V4L2_FRMSIZE_TYPE_DISCRETE,
691 V4L2_FRMSIZE_TYPE_CONTINUOUS,
692 V4L2_FRMSIZE_TYPE_STEPWISE,
693 V4L2_FRMIVAL_TYPE_DISCRETE,
694 V4L2_FRMIVAL_TYPE_CONTINUOUS,
695 V4L2_FRMIVAL_TYPE_STEPWISE,
696 V4L2_CTRL_TYPE_INTEGER,
697 V4L2_CTRL_TYPE_BOOLEAN,
699 V4L2_CTRL_TYPE_BUTTON,
700 V4L2_CTRL_TYPE_INTEGER64,
701 V4L2_CTRL_TYPE_CTRL_CLASS,
702 V4L2_CTRL_TYPE_STRING,
703 V4L2_CTRL_TYPE_BITMASK,
704 V4L2_CTRL_TYPE_INTEGER_MENU
705 ]),,, [#include <linux/videodev2.h>])
707 AC_CACHE_CHECK([for BLKGETSIZE64], [ac_cv_have_blkgetsize64],
708 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
710 #include <linux/fs.h>], [return !BLKGETSIZE64;])],
711 [ac_cv_have_blkgetsize64=yes], [ac_cv_have_blkgetsize64=no])]
712 if test $ac_cv_have_blkgetsize64 = yes; then
713 AC_DEFINE([HAVE_BLKGETSIZE64], [1], [Define to 1 if you have BLKGETSIZE64.])
716 AC_CHECK_SIZEOF([long])
717 AC_CHECK_SIZEOF([long long])
718 AC_CHECK_SIZEOF([off_t],,[#include <sys/types.h>])
719 AC_CHECK_SIZEOF([struct i64_i32],,[struct i64_i32 {long long i64; int i32;};])
721 AC_CACHE_CHECK([for SIGRTMIN], [st_cv_SIGRTMIN],
722 [[st_cv_SIGRTMIN="$(echo SIGRTMIN |
723 $CPP $CPPFLAGS -P -imacros asm/signal.h - |
725 test -n "$st_cv_SIGRTMIN" || st_cv_SIGRTMIN=no]])
726 if test "x$st_cv_SIGRTMIN" != xno; then
727 AC_DEFINE_UNQUOTED([ASM_SIGRTMIN], [$st_cv_SIGRTMIN],
728 [SIGRTMIN defined in <asm/signal.h>])
730 AC_CACHE_CHECK([for SA_RESTORER], [st_cv_SA_RESTORER],
731 [st_cv_SA_RESTORER="$(echo SA_RESTORER |
732 $CPP $CPPFLAGS -P -imacros asm/signal.h - |
734 test -n "$st_cv_SA_RESTORER" || st_cv_SA_RESTORER=no])
735 if test "x$st_cv_SA_RESTORER" != xno; then
736 AC_DEFINE_UNQUOTED([ASM_SA_RESTORER], [$st_cv_SA_RESTORER],
737 [SA_RESTORER defined in <asm/signal.h>])
740 AC_CACHE_CHECK([for __builtin_popcount], [st_cv_have___builtin_popcount],
741 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_popcount(0)])],
742 [st_cv_have___builtin_popcount=yes],
743 [st_cv_have___builtin_popcount=no])])
744 if test "x$st_cv_have___builtin_popcount" = xyes; then
745 AC_DEFINE([HAVE___BUILTIN_POPCOUNT], [1],
746 [Define to 1 if the system provides __builtin_popcount function])
749 AC_CHECK_LIB([dl], [dladdr], [dl_LIBS='-ldl'], [dl_LIBS=])
750 if test "x$ac_cv_lib_dl_dladdr" = xyes; then
751 AC_DEFINE([HAVE_DLADDR], [1], [Define to 1 if the system provides dladdr])
755 AC_PATH_PROG([PERL], [perl])
757 dnl stack trace with libunwind
761 AC_ARG_WITH([libunwind],
762 [AS_HELP_STRING([--with-libunwind],
763 [use libunwind to implement stack tracing support])],
764 [case "${withval}" in
766 *) with_libunwind=yes
767 libunwind_CPPFLAGS="-I${withval}/include"
768 libunwind_LDFLAGS="-L${withval}/lib" ;;
770 [with_libunwind=check]
774 AS_IF([test "x$with_libunwind" != xno],
775 [saved_CPPFLAGS="$CPPFLAGS"
776 CPPFLAGS="$CPPFLAGS $libunwind_CPPFLAGS"
778 AC_CHECK_HEADERS([libunwind-ptrace.h],
779 [saved_LDFLAGS="$LDFLAGS"
780 LDFLAGS="$LDFLAGS $libunwind_LDFLAGS"
782 AC_CHECK_LIB([unwind], [backtrace],
783 [libunwind_LIBS="-lunwind $libunwind_LIBS"
785 AC_MSG_CHECKING([for unw_create_addr_space in libunwind-generic])
787 LIBS="-lunwind-generic $libunwind_LIBS $LIBS"
790 [AC_LANG_PROGRAM([[#include <libunwind-ptrace.h>]],
791 [[return !unw_create_addr_space(0, 0)]])
793 [AC_MSG_RESULT([yes])
794 libunwind_LIBS="-lunwind-generic $libunwind_LIBS"
796 AC_CHECK_LIB([unwind-ptrace], [_UPT_create],
797 [libunwind_LIBS="-lunwind-ptrace $libunwind_LIBS"
800 [if test "x$with_libunwind" != xcheck; then
801 AC_MSG_FAILURE([failed to find _UPT_create in libunwind-ptrace])
808 if test "x$with_libunwind" != xcheck; then
809 AC_MSG_FAILURE([failed to find unw_create_addr_space in libunwind-generic])
816 [if test "x$with_libunwind" != xcheck; then
817 AC_MSG_FAILURE([failed to find libunwind])
823 LDFLAGS="$saved_LDFLAGS"
825 [if test "x$with_libunwind" != xcheck; then
826 AC_MSG_FAILURE([failed to find libunwind-ptrace.h])
831 CPPFLAGS="$saved_CPPFLAGS"
836 AC_MSG_CHECKING([whether to enable stack tracing support using libunwind])
837 if test "x$use_libunwind" = xyes; then
838 AC_DEFINE([USE_LIBUNWIND], 1, [Compile stack tracing functionality])
839 AC_SUBST(libunwind_LIBS)
840 AC_SUBST(libunwind_LDFLAGS)
841 AC_SUBST(libunwind_CPPFLAGS)
843 AM_CONDITIONAL([USE_LIBUNWIND], [test "x$use_libunwind" = xyes])
844 AC_MSG_RESULT([$use_libunwind])
846 if test "$arch" = mips && test "$no_create" != yes; then
848 if $srcdir/linux/mips/genstub.sh linux/mips; then
849 AC_MSG_RESULT([Generated MIPS syscallent stubs])
851 AC_MSG_FAILURE([Failed to generate syscallent stubs])
857 aarch64|powerpc64|sparc64|tile|x32|x86_64)
858 AC_MSG_CHECKING([for -m32 runtime support])
859 saved_CFLAGS="$CFLAGS"
860 CFLAGS="$CFLAGS -m32"
861 AC_RUN_IFELSE([AC_LANG_SOURCE([[int main(){return 0;}]])],
862 [have_m32=yes],[have_m32=no],[have_m32=no])
863 CFLAGS="$saved_CFLAGS"
864 AC_MSG_RESULT($have_m32)
867 AM_CONDITIONAL([HAVE_M32_RUNTIME], [test "$have_m32" = yes])
872 AC_MSG_CHECKING([for -mx32 runtime support])
873 saved_CFLAGS="$CFLAGS"
874 CFLAGS="$CFLAGS -mx32"
875 AC_RUN_IFELSE([AC_LANG_SOURCE([[int main(){return 0;}]])],
876 [have_mx32=yes],[have_mx32=no],[have_mx32=no])
877 CFLAGS="$saved_CFLAGS"
878 AC_MSG_RESULT($have_mx32)
881 AM_CONDITIONAL([HAVE_MX32_RUNTIME], [test "$have_mx32" = yes])
883 AC_CONFIG_FILES([Makefile tests/Makefile tests-m32/Makefile tests-mx32/Makefile])