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- # configure.ac -- Backtrace configure script.
- # Copyright (C) 2012-2021 Free Software Foundation, Inc.
- # Redistribution and use in source and binary forms, with or without
- # modification, are permitted provided that the following conditions are
- # met:
- # (1) Redistributions of source code must retain the above copyright
- # notice, this list of conditions and the following disclaimer.
- # (2) Redistributions in binary form must reproduce the above copyright
- # notice, this list of conditions and the following disclaimer in
- # the documentation and/or other materials provided with the
- # distribution.
- # (3) The name of the author may not be used to
- # endorse or promote products derived from this software without
- # specific prior written permission.
- # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- # DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
- # INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- # STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- # IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- # POSSIBILITY OF SUCH DAMAGE.
- AC_INIT(package-unused, version-unused,, libbacktrace)
- AC_CONFIG_SRCDIR(backtrace.h)
- AC_CONFIG_HEADER(config.h)
- if test -n "${with_target_subdir}"; then
- AM_ENABLE_MULTILIB(, ..)
- fi
- AC_CANONICAL_SYSTEM
- target_alias=${target_alias-$host_alias}
- AC_USE_SYSTEM_EXTENSIONS
- libtool_VERSION=1:0:0
- AC_SUBST(libtool_VERSION)
- # 1.11.1: Require that version of automake.
- # foreign: Don't require README, INSTALL, NEWS, etc.
- # no-define: Don't define PACKAGE and VERSION.
- # no-dependencies: Don't generate automatic dependencies.
- # (because it breaks when using bootstrap-lean, since some of the
- # headers are gone at "make install" time).
- # -Wall: Issue all automake warnings.
- # -Wno-portability: Don't warn about constructs supported by GNU make.
- # (because GCC requires GNU make anyhow).
- AM_INIT_AUTOMAKE([1.11.1 foreign no-dist no-define no-dependencies -Wall -Wno-portability])
- AM_MAINTAINER_MODE
- AC_ARG_WITH(target-subdir,
- [ --with-target-subdir=SUBDIR Configuring in a subdirectory for target])
- # We must force CC to /not/ be precious variables; otherwise
- # the wrong, non-multilib-adjusted value will be used in multilibs.
- # As a side effect, we have to subst CFLAGS ourselves.
- m4_rename([_AC_ARG_VAR_PRECIOUS],[backtrace_PRECIOUS])
- m4_define([_AC_ARG_VAR_PRECIOUS],[])
- AC_PROG_CC
- m4_rename_force([backtrace_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
- AC_SUBST(CFLAGS)
- AC_PROG_RANLIB
- AC_PROG_AWK
- case "$AWK" in
- "") AC_MSG_ERROR([can't build without awk]) ;;
- esac
- AC_CHECK_PROG(DWZ, dwz, dwz)
- AM_CONDITIONAL(HAVE_DWZ, test "$DWZ" != "")
- LT_INIT
- AM_PROG_LIBTOOL
- AC_SYS_LARGEFILE
- backtrace_supported=yes
- if test -n "${with_target_subdir}"; then
- # We are compiling a GCC library. We can assume that the unwind
- # library exists.
- BACKTRACE_FILE="backtrace.lo simple.lo"
- else
- AC_CHECK_HEADER([unwind.h],
- [AC_CHECK_FUNC([_Unwind_Backtrace],
- [BACKTRACE_FILE="backtrace.lo simple.lo"],
- [BACKTRACE_FILE="nounwind.lo"
- backtrace_supported=no])],
- [BACKTRACE_FILE="nounwind.lo"
- backtrace_supported=no])
- fi
- AC_SUBST(BACKTRACE_FILE)
- EXTRA_FLAGS=
- if test -n "${with_target_subdir}"; then
- EXTRA_FLAGS="-funwind-tables -frandom-seed=\$@"
- else
- AC_CACHE_CHECK([for -funwind-tables option],
- [libbacktrace_cv_c_unwind_tables],
- [CFLAGS_hold="$CFLAGS"
- CFLAGS="$CFLAGS -funwind-tables"
- AC_COMPILE_IFELSE(
- [AC_LANG_PROGRAM([static int f() { return 0; }], [return f();])],
- [libbacktrace_cv_c_unwind_tables=yes],
- [libbacktrace_cv_c_unwind_tables=no])
- CFLAGS="$CFLAGS_hold"])
- if test "$libbacktrace_cv_c_unwind_tables" = "yes"; then
- EXTRA_FLAGS=-funwind-tables
- fi
- AC_CACHE_CHECK([for -frandom-seed=string option],
- [libbacktrace_cv_c_random_seed_string],
- [CFLAGS_hold="$CFLAGS"
- CFLAGS="$CFLAGS -frandom-seed=conftest.lo"
- AC_COMPILE_IFELSE(
- [AC_LANG_PROGRAM([], [return 0;])],
- [libbacktrace_cv_c_random_seed_string=yes],
- [libbacktrace_cv_c_random_seed_string=no])
- CFLAGS="$CFLAGS_hold"])
- if test "$libbacktrace_cv_c_random_seed_string" = "yes"; then
- EXTRA_FLAGS="$EXTRA_FLAGS -frandom-seed=\$@"
- fi
- fi
- if test -n "${with_target_subdir}"; then
- # Add CET specific flags is Intel CET is enabled.
- GCC_CET_FLAGS(CET_FLAGS)
- EXTRA_FLAGS="$EXTRA_FLAGS $CET_FLAGS"
- fi
- AC_SUBST(EXTRA_FLAGS)
- ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings -Wstrict-prototypes \
- -Wmissing-prototypes -Wold-style-definition \
- -Wmissing-format-attribute -Wcast-qual],
- [WARN_FLAGS])
- if test -n "${with_target_subdir}"; then
- WARN_FLAGS="$WARN_FLAGS -Werror"
- fi
- AC_SUBST(WARN_FLAGS)
- if test -n "${with_target_subdir}"; then
- GCC_CHECK_UNWIND_GETIPINFO
- else
- ac_save_CFFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
- AC_MSG_CHECKING([for _Unwind_GetIPInfo])
- AC_LINK_IFELSE(
- [AC_LANG_PROGRAM(
- [#include "unwind.h"
- struct _Unwind_Context *context;
- int ip_before_insn = 0;],
- [return _Unwind_GetIPInfo (context, &ip_before_insn);])],
- [have_unwind_getipinfo=yes], [have_unwind_getipinfo=no])
- CFLAGS="$ac_save_CFLAGS"
- AC_MSG_RESULT([$have_unwind_getipinfo])
- if test "$have_unwind_getipinfo" = "yes"; then
- AC_DEFINE(HAVE_GETIPINFO, 1, [Define if _Unwind_GetIPInfo is available.])
- fi
- fi
- # Enable --enable-host-shared.
- AC_ARG_ENABLE(host-shared,
- [AS_HELP_STRING([--enable-host-shared],
- [build host code as shared libraries])],
- [PIC_FLAG=-fPIC], [PIC_FLAG=])
- AC_SUBST(PIC_FLAG)
- # Enable Intel CET on Intel CET enabled host if jit is enabled.
- GCC_CET_HOST_FLAGS(CET_HOST_FLAGS)
- case x$enable_languages in
- *jit*)
- ;;
- *)
- CET_HOST_FLAGS=
- ;;
- esac
- AC_SUBST(CET_HOST_FLAGS)
- # Test for __sync support.
- AC_CACHE_CHECK([__sync extensions],
- [libbacktrace_cv_sys_sync],
- [if test -n "${with_target_subdir}"; then
- case "${host}" in
- hppa*-*-hpux*) libbacktrace_cv_sys_sync=no ;;
- *) libbacktrace_cv_sys_sync=yes ;;
- esac
- else
- AC_LINK_IFELSE(
- [AC_LANG_PROGRAM([int i;],
- [__sync_bool_compare_and_swap (&i, i, i);
- __sync_lock_test_and_set (&i, 1);
- __sync_lock_release (&i);])],
- [libbacktrace_cv_sys_sync=yes],
- [libbacktrace_cv_sys_sync=no])
- fi])
- BACKTRACE_SUPPORTS_THREADS=0
- if test "$libbacktrace_cv_sys_sync" = "yes"; then
- BACKTRACE_SUPPORTS_THREADS=1
- AC_DEFINE([HAVE_SYNC_FUNCTIONS], 1,
- [Define to 1 if you have the __sync functions])
- fi
- AC_SUBST(BACKTRACE_SUPPORTS_THREADS)
- # Test for __atomic support.
- AC_CACHE_CHECK([__atomic extensions],
- [libbacktrace_cv_sys_atomic],
- [if test -n "${with_target_subdir}"; then
- libbacktrace_cv_sys_atomic=yes
- else
- AC_LINK_IFELSE(
- [AC_LANG_PROGRAM([int i;],
- [__atomic_load_n (&i, __ATOMIC_ACQUIRE);
- __atomic_store_n (&i, 1, __ATOMIC_RELEASE);])],
- [libbacktrace_cv_sys_atomic=yes],
- [libbacktrace_cv_sys_atomic=no])
- fi])
- if test "$libbacktrace_cv_sys_atomic" = "yes"; then
- AC_DEFINE([HAVE_ATOMIC_FUNCTIONS], 1,
- [Define to 1 if you have the __atomic functions])
- fi
- # The library needs to be able to read the executable itself. Compile
- # a file to determine the executable format. The awk script
- # filetype.awk prints out the file type.
- AC_CACHE_CHECK([output filetype],
- [libbacktrace_cv_sys_filetype],
- [filetype=
- AC_COMPILE_IFELSE(
- [AC_LANG_PROGRAM([int i;], [int j;])],
- [filetype=`${AWK} -f $srcdir/filetype.awk conftest.$ac_objext`],
- [AC_MSG_FAILURE([compiler failed])])
- libbacktrace_cv_sys_filetype=$filetype])
- # Match the file type to decide what files to compile.
- FORMAT_FILE=
- backtrace_supports_data=yes
- case "$libbacktrace_cv_sys_filetype" in
- elf*) FORMAT_FILE="elf.lo" ;;
- macho) FORMAT_FILE="macho.lo" ;;
- pecoff) FORMAT_FILE="pecoff.lo"
- backtrace_supports_data=no
- ;;
- xcoff*) FORMAT_FILE="xcoff.lo"
- backtrace_supports_data=no
- ;;
- *) AC_MSG_WARN([could not determine output file type])
- FORMAT_FILE="unknown.lo"
- backtrace_supported=no
- ;;
- esac
- AC_SUBST(FORMAT_FILE)
- # ELF defines.
- elfsize=
- case "$libbacktrace_cv_sys_filetype" in
- elf32) elfsize=32 ;;
- elf64) elfsize=64 ;;
- *) elfsize=unused
- esac
- AC_DEFINE_UNQUOTED([BACKTRACE_ELF_SIZE], [$elfsize], [ELF size: 32 or 64])
- AM_CONDITIONAL(HAVE_ELF, test "$FORMAT_FILE" = "elf.lo")
- # XCOFF defines.
- xcoffsize=
- case "$libbacktrace_cv_sys_filetype" in
- xcoff32) xcoffsize=32 ;;
- xcoff64) xcoffsize=64 ;;
- *) xcoffsize=unused
- esac
- AC_DEFINE_UNQUOTED([BACKTRACE_XCOFF_SIZE], [$xcoffsize], [XCOFF size: 32 or 64])
- BACKTRACE_SUPPORTED=0
- if test "$backtrace_supported" = "yes"; then
- BACKTRACE_SUPPORTED=1
- fi
- AC_SUBST(BACKTRACE_SUPPORTED)
- BACKTRACE_SUPPORTS_DATA=0
- if test "$backtrace_supports_data" = "yes"; then
- BACKTRACE_SUPPORTS_DATA=1
- fi
- AC_SUBST(BACKTRACE_SUPPORTS_DATA)
- GCC_HEADER_STDINT(gstdint.h)
- AC_CHECK_HEADERS(sys/mman.h)
- if test "$ac_cv_header_sys_mman_h" = "no"; then
- have_mmap=no
- else
- if test -n "${with_target_subdir}"; then
- # When built as a GCC target library, we can't do a link test. We
- # simply assume that if we have mman.h, we have mmap.
- have_mmap=yes
- case "${host}" in
- *-*-msdosdjgpp)
- # DJGPP has sys/man.h, but no mmap
- have_mmap=no ;;
- esac
- else
- AC_CHECK_FUNC(mmap, [have_mmap=yes], [have_mmap=no])
- fi
- fi
- if test "$have_mmap" = "no"; then
- VIEW_FILE=read.lo
- ALLOC_FILE=alloc.lo
- else
- VIEW_FILE=mmapio.lo
- AC_PREPROC_IFELSE([AC_LANG_SOURCE([
- #include <sys/mman.h>
- #if !defined(MAP_ANONYMOUS) && !defined(MAP_ANON)
- #error no MAP_ANONYMOUS
- #endif
- ])], [ALLOC_FILE=mmap.lo], [ALLOC_FILE=alloc.lo])
- fi
- AC_SUBST(VIEW_FILE)
- AC_SUBST(ALLOC_FILE)
- BACKTRACE_USES_MALLOC=0
- if test "$ALLOC_FILE" = "alloc.lo"; then
- BACKTRACE_USES_MALLOC=1
- fi
- AC_SUBST(BACKTRACE_USES_MALLOC)
- # Check for dl_iterate_phdr.
- AC_CHECK_HEADERS(link.h)
- if test "$ac_cv_header_link_h" = "no"; then
- have_dl_iterate_phdr=no
- else
- if test -n "${with_target_subdir}"; then
- # When built as a GCC target library, we can't do a link test.
- AC_EGREP_HEADER([dl_iterate_phdr], [link.h], [have_dl_iterate_phdr=yes],
- [have_dl_iterate_phdr=no])
- else
- AC_CHECK_FUNC([dl_iterate_phdr], [have_dl_iterate_phdr=yes],
- [have_dl_iterate_phdr=no])
- fi
- fi
- if test "$have_dl_iterate_phdr" = "yes"; then
- AC_DEFINE(HAVE_DL_ITERATE_PHDR, 1, [Define if dl_iterate_phdr is available.])
- fi
- # Check for header file for Mach-O image functions.
- AC_CHECK_HEADERS(mach-o/dyld.h)
- # Check for loadquery.
- AC_CHECK_HEADERS(sys/ldr.h)
- if test "$ac_cv_header_sys_ldr_h" = "no"; then
- have_loadquery=no
- else
- if test -n "${with_target_subdir}"; then
- # When built as a GCC target library, we can't do a link test.
- AC_EGREP_HEADER([loadquery], [sys/ldr.h], [have_loadquery=yes],
- [have_loadquery=no])
- else
- AC_CHECK_FUNC([loadquery], [have_loadquery=yes],
- [have_loadquery=no])
- fi
- fi
- if test "$have_loadquery" = "yes"; then
- AC_DEFINE(HAVE_LOADQUERY, 1, [Define if AIX loadquery is available.])
- fi
- # Check for the fcntl function.
- if test -n "${with_target_subdir}"; then
- case "${host}" in
- *-*-mingw*) have_fcntl=no ;;
- *) have_fcntl=yes ;;
- esac
- else
- AC_CHECK_FUNC(fcntl, [have_fcntl=yes], [have_fcntl=no])
- fi
- if test "$have_fcntl" = "yes"; then
- AC_DEFINE([HAVE_FCNTL], 1,
- [Define to 1 if you have the fcntl function])
- fi
- AC_CHECK_DECLS([strnlen, getpagesize])
- AC_CHECK_FUNCS(lstat readlink)
- # Check for getexecname function.
- if test -n "${with_target_subdir}"; then
- case "${host}" in
- *-*-solaris2*) have_getexecname=yes ;;
- *) have_getexecname=no ;;
- esac
- else
- AC_CHECK_FUNC(getexecname, [have_getexecname=yes], [have_getexecname=no])
- fi
- if test "$have_getexecname" = "yes"; then
- AC_DEFINE(HAVE_GETEXECNAME, 1, [Define if getexecname is available.])
- fi
- # Check for sysctl definitions.
- AC_CACHE_CHECK([for KERN_PROC],
- [libbacktrace_cv_proc],
- [AC_COMPILE_IFELSE(
- [AC_LANG_PROGRAM([
- #include <sys/types.h>
- #include <sys/sysctl.h>
- ], [int mib0 = CTL_KERN; int mib1 = KERN_PROC; int mib2 = KERN_PROC_PATHNAME;])],
- [libbacktrace_cv_proc=yes],
- [libbacktrace_cv_proc=no])])
- if test "$libbacktrace_cv_proc" = "yes"; then
- AC_DEFINE([HAVE_KERN_PROC], 1,
- [Define to 1 if you have KERN_PROC and KERN_PROC_PATHNAME in <sys/sysctl.h>.])
- fi
- AC_CACHE_CHECK([for KERN_PROG_ARGS],
- [libbacktrace_cv_procargs],
- [AC_COMPILE_IFELSE(
- [AC_LANG_PROGRAM([
- #include <sys/types.h>
- #include <sys/sysctl.h>
- ], [int mib0 = CTL_KERN; int mib1 = KERN_PROC_ARGS; int mib2 = KERN_PROC_PATHNAME;])],
- [libbacktrace_cv_procargs=yes],
- [libbacktrace_cv_procargs=no])])
- if test "$libbacktrace_cv_procargs" = "yes"; then
- AC_DEFINE([HAVE_KERN_PROC_ARGS], 1,
- [Define to 1 if you have KERN_PROCARGS and KERN_PROC_PATHNAME in <sys/sysctl.h>.])
- fi
- # Check for the clock_gettime function.
- AC_CHECK_FUNCS(clock_gettime)
- clock_gettime_link=
- # At least for glibc, clock_gettime is in librt. But don't
- # pull that in if it still doesn't give us the function we want. This
- # test is copied from libgomp, and modified to not link in -lrt as
- # we're using this for test timing only.
- if test "$ac_cv_func_clock_gettime" = no; then
- AC_CHECK_LIB(rt, clock_gettime,
- [CLOCK_GETTIME_LINK=-lrt
- AC_DEFINE(HAVE_CLOCK_GETTIME, 1,
- [Define to 1 if you have the `clock_gettime' function.])])
- fi
- AC_SUBST(CLOCK_GETTIME_LINK)
- dnl Test whether the compiler supports the -pthread option.
- AC_CACHE_CHECK([whether -pthread is supported],
- [libgo_cv_lib_pthread],
- [CFLAGS_hold=$CFLAGS
- CFLAGS="$CFLAGS -pthread"
- AC_COMPILE_IFELSE([AC_LANG_SOURCE([int i;])],
- [libgo_cv_lib_pthread=yes],
- [libgo_cv_lib_pthread=no])
- CFLAGS=$CFLAGS_hold])
- PTHREAD_CFLAGS=
- if test "$libgo_cv_lib_pthread" = yes; then
- PTHREAD_CFLAGS=-pthread
- fi
- AC_SUBST(PTHREAD_CFLAGS)
- AM_CONDITIONAL(HAVE_PTHREAD, test "$libgo_cv_lib_pthread" = yes)
- dnl Test whether the compiler and the linker support the -gdwarf-5 option.
- AC_CACHE_CHECK([whether -gdwarf-5 is supported],
- [libbacktrace_cv_lib_dwarf5],
- [CFLAGS_hold=$CFLAGS
- CFLAGS="$CFLAGS -gdwarf-5"
- AC_LINK_IFELSE([AC_LANG_PROGRAM([int i;], [return 0;])],
- [libbacktrace_cv_lib_dwarf5=yes],
- [libbacktrace_cv_lib_dwarf5=no])
- CFLAGS=$CFLAGS_hold])
- AM_CONDITIONAL(HAVE_DWARF5, test "$libbacktrace_cv_lib_dwarf5" = yes)
- AC_CHECK_LIB([z], [compress],
- [AC_DEFINE(HAVE_ZLIB, 1, [Define if -lz is available.])])
- AM_CONDITIONAL(HAVE_ZLIB, test "$ac_cv_lib_z_compress" = yes)
- dnl Test whether the linker supports the --compress_debug_sections option.
- AC_CACHE_CHECK([whether --compress-debug-sections is supported],
- [libgo_cv_ld_compress],
- [LDFLAGS_hold=$LDFLAGS
- LDFLAGS="$LDFLAGS -Wl,--compress-debug-sections=zlib-gnu"
- AC_LINK_IFELSE([AC_LANG_PROGRAM(,)],
- [libgo_cv_ld_compress=yes],
- [libgo_cv_ld_compress=no])
- LDFLAGS=$LDFLAGS_hold])
- AM_CONDITIONAL(HAVE_COMPRESSED_DEBUG, test "$libgo_cv_ld_compress" = yes)
- AC_ARG_VAR(OBJCOPY, [location of objcopy])
- AC_CHECK_PROG(OBJCOPY, objcopy, objcopy,)
- AC_CHECK_PROG(READELF, readelf, readelf)
- AC_CACHE_CHECK([whether objcopy supports debuglink],
- [libbacktrace_cv_objcopy_debuglink],
- [if test -n "${with_target_subdir}"; then
- libbacktrace_cv_objcopy_debuglink=no
- elif ! test -n "${OBJCOPY}"; then
- libbacktrace_cv_objcopy_debuglink=no
- elif ${OBJCOPY} --help | fgrep add-gnu-debuglink >/dev/null 2>&1; then
- libbacktrace_cv_objcopy_debuglink=yes
- else
- libbacktrace_cv_objcopy_debuglink=no
- fi])
- AM_CONDITIONAL(HAVE_OBJCOPY_DEBUGLINK, test "$libbacktrace_cv_objcopy_debuglink" = yes)
- AC_ARG_VAR(DSYMUTIL, [location of dsymutil])
- AC_CHECK_PROG(DSYMUTIL, dsymutil, dsymutil)
- AM_CONDITIONAL(USE_DSYMUTIL, test -n "${DSYMUTIL}" -a "$FORMAT_FILE" = "macho.lo")
- AC_ARG_VAR(NM, [location of nm])
- AC_CHECK_PROG(NM, nm, nm)
- AC_CHECK_PROG(XZ, xz, xz)
- AM_CONDITIONAL(HAVE_XZ, test "$XZ" != "")
- AC_CHECK_PROG(COMM, comm, comm)
- AM_CONDITIONAL(HAVE_COMM, test "$COMM" != "")
- AM_CONDITIONAL(HAVE_MINIDEBUG,
- test "${with_target_subdir}" = "" -a "$FORMAT_FILE" = "elf.lo" -a "${OBJCOPY}" != "" -a "${NM}" != "" -a "${XZ}" != "" -a "${COMM}" != "")
- AC_CHECK_LIB([lzma], [lzma_auto_decoder],
- [AC_DEFINE(HAVE_LIBLZMA, 1, [Define if -llzma is available.])])
- AM_CONDITIONAL(HAVE_LIBLZMA, test "$ac_cv_lib_lzma_lzma_auto_decoder" = yes)
- AC_CACHE_CHECK([whether tests can run],
- [libbacktrace_cv_sys_native],
- [AC_RUN_IFELSE([AC_LANG_PROGRAM([], [return 0;])],
- [libbacktrace_cv_sys_native=yes],
- [libbacktrace_cv_sys_native=no],
- [libbacktrace_cv_sys_native=no])])
- AM_CONDITIONAL(NATIVE, test "$libbacktrace_cv_sys_native" = "yes")
- if test "${multilib}" = "yes"; then
- multilib_arg="--enable-multilib"
- else
- multilib_arg=
- fi
- AC_CONFIG_FILES(Makefile backtrace-supported.h)
- AC_CONFIG_FILES(install-debuginfo-for-buildid.sh, chmod +x install-debuginfo-for-buildid.sh)
- # We need multilib support, but only if configuring for the target.
- AC_CONFIG_COMMANDS([default],
- [if test -n "$CONFIG_FILES"; then
- if test -n "${with_target_subdir}"; then
- # Multilibs need MULTISUBDIR defined correctly in certain makefiles so
- # that multilib installs will end up installed in the correct place.
- # The testsuite needs it for multilib-aware ABI baseline files.
- # To work around this not being passed down from config-ml.in ->
- # srcdir/Makefile.am -> srcdir/{src,libsupc++,...}/Makefile.am, manually
- # append it here. Only modify Makefiles that have just been created.
- #
- # Also, get rid of this simulated-VPATH thing that automake does.
- cat > vpsed << \_EOF
- s!`test -f '$<' || echo '$(srcdir)/'`!!
- _EOF
- for i in $SUBDIRS; do
- case $CONFIG_FILES in
- *${i}/Makefile*)
- #echo "Adding MULTISUBDIR to $i/Makefile"
- sed -f vpsed $i/Makefile > tmp
- grep '^MULTISUBDIR =' Makefile >> tmp
- mv tmp $i/Makefile
- ;;
- esac
- done
- rm vpsed
- fi
- fi
- ],
- [
- # Variables needed in config.status (file generation) which aren't already
- # passed by autoconf.
- SUBDIRS="$SUBDIRS"
- ])
- AC_OUTPUT
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