582 lines
18 KiB
Text
582 lines
18 KiB
Text
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# configure.ac -- Backtrace configure script.
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# Copyright (C) 2012-2022 Free Software Foundation, Inc.
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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# (1) Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# (2) Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# (3) The name of the author may not be used to
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# endorse or promote products derived from this software without
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# specific prior written permission.
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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AC_INIT(package-unused, version-unused,, libbacktrace)
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AC_CONFIG_SRCDIR(backtrace.h)
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AC_CONFIG_HEADER(config.h)
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if test -n "${with_target_subdir}"; then
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AM_ENABLE_MULTILIB(, ..)
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fi
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AC_CANONICAL_SYSTEM
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target_alias=${target_alias-$host_alias}
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AC_USE_SYSTEM_EXTENSIONS
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libtool_VERSION=1:0:0
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AC_SUBST(libtool_VERSION)
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# 1.11.1: Require that version of automake.
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# foreign: Don't require README, INSTALL, NEWS, etc.
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# no-define: Don't define PACKAGE and VERSION.
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# no-dependencies: Don't generate automatic dependencies.
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# (because it breaks when using bootstrap-lean, since some of the
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# headers are gone at "make install" time).
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# -Wall: Issue all automake warnings.
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# -Wno-portability: Don't warn about constructs supported by GNU make.
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# (because GCC requires GNU make anyhow).
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AM_INIT_AUTOMAKE([1.11.1 foreign no-dist no-define no-dependencies -Wall -Wno-portability])
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AM_MAINTAINER_MODE
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AC_ARG_WITH(target-subdir,
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[ --with-target-subdir=SUBDIR Configuring in a subdirectory for target])
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# We must force CC to /not/ be precious variables; otherwise
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# the wrong, non-multilib-adjusted value will be used in multilibs.
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# As a side effect, we have to subst CFLAGS ourselves.
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m4_rename([_AC_ARG_VAR_PRECIOUS],[backtrace_PRECIOUS])
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m4_define([_AC_ARG_VAR_PRECIOUS],[])
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AC_PROG_CC
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m4_rename_force([backtrace_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
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AC_SUBST(CFLAGS)
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AC_PROG_RANLIB
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AC_PROG_AWK
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case "$AWK" in
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"") AC_MSG_ERROR([can't build without awk]) ;;
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esac
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AC_CHECK_PROG(DWZ, dwz, dwz)
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AM_CONDITIONAL(HAVE_DWZ, test "$DWZ" != "")
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LT_INIT
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AM_PROG_LIBTOOL
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AC_SYS_LARGEFILE
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backtrace_supported=yes
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if test -n "${with_target_subdir}"; then
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# We are compiling a GCC library. We can assume that the unwind
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# library exists.
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BACKTRACE_FILE="backtrace.lo simple.lo"
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else
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AC_CHECK_HEADER([unwind.h],
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[AC_CHECK_FUNC([_Unwind_Backtrace],
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[BACKTRACE_FILE="backtrace.lo simple.lo"],
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[BACKTRACE_FILE="nounwind.lo"
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backtrace_supported=no])],
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[BACKTRACE_FILE="nounwind.lo"
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backtrace_supported=no])
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fi
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AC_SUBST(BACKTRACE_FILE)
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EXTRA_FLAGS=
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if test -n "${with_target_subdir}"; then
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EXTRA_FLAGS="-funwind-tables -frandom-seed=\$@"
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else
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AC_CACHE_CHECK([for -funwind-tables option],
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[libbacktrace_cv_c_unwind_tables],
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[CFLAGS_hold="$CFLAGS"
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CFLAGS="$CFLAGS -funwind-tables"
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM([static int f() { return 0; }], [return f();])],
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[libbacktrace_cv_c_unwind_tables=yes],
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[libbacktrace_cv_c_unwind_tables=no])
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CFLAGS="$CFLAGS_hold"])
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if test "$libbacktrace_cv_c_unwind_tables" = "yes"; then
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EXTRA_FLAGS=-funwind-tables
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fi
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AC_CACHE_CHECK([for -frandom-seed=string option],
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[libbacktrace_cv_c_random_seed_string],
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[CFLAGS_hold="$CFLAGS"
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CFLAGS="$CFLAGS -frandom-seed=conftest.lo"
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM([], [return 0;])],
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[libbacktrace_cv_c_random_seed_string=yes],
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[libbacktrace_cv_c_random_seed_string=no])
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CFLAGS="$CFLAGS_hold"])
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if test "$libbacktrace_cv_c_random_seed_string" = "yes"; then
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EXTRA_FLAGS="$EXTRA_FLAGS -frandom-seed=\$@"
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fi
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fi
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if test -n "${with_target_subdir}"; then
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# Add CET specific flags is Intel CET is enabled.
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GCC_CET_FLAGS(CET_FLAGS)
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EXTRA_FLAGS="$EXTRA_FLAGS $CET_FLAGS"
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fi
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AC_SUBST(EXTRA_FLAGS)
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ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings -Wstrict-prototypes \
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-Wmissing-prototypes -Wold-style-definition \
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-Wmissing-format-attribute -Wcast-qual],
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[WARN_FLAGS])
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AC_ARG_ENABLE([werror],
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[AS_HELP_STRING([--disable-werror], [disable building with -Werror])])
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AS_IF([test "x$enable_werror" != "xno" && test -n "${with_target_subdir}"],
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[WARN_FLAGS="$WARN_FLAGS -Werror"])
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AC_SUBST(WARN_FLAGS)
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if test -n "${with_target_subdir}"; then
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GCC_CHECK_UNWIND_GETIPINFO
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else
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ac_save_CFFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -Werror-implicit-function-declaration"
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AC_MSG_CHECKING([for _Unwind_GetIPInfo])
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM(
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[#include "unwind.h"
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struct _Unwind_Context *context;
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int ip_before_insn = 0;],
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[return _Unwind_GetIPInfo (context, &ip_before_insn);])],
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[have_unwind_getipinfo=yes], [have_unwind_getipinfo=no])
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CFLAGS="$ac_save_CFLAGS"
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AC_MSG_RESULT([$have_unwind_getipinfo])
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if test "$have_unwind_getipinfo" = "yes"; then
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AC_DEFINE(HAVE_GETIPINFO, 1, [Define if _Unwind_GetIPInfo is available.])
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fi
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fi
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# Enable --enable-host-shared.
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AC_ARG_ENABLE(host-shared,
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[AS_HELP_STRING([--enable-host-shared],
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[build host code as shared libraries])],
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[PIC_FLAG=-fPIC], [PIC_FLAG=])
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AC_SUBST(PIC_FLAG)
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# Enable Intel CET on Intel CET enabled host if jit is enabled.
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GCC_CET_HOST_FLAGS(CET_HOST_FLAGS)
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case x$enable_languages in
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*jit*)
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;;
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*)
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CET_HOST_FLAGS=
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;;
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esac
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AC_SUBST(CET_HOST_FLAGS)
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# Test for __sync support.
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AC_CACHE_CHECK([__sync extensions],
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[libbacktrace_cv_sys_sync],
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[if test -n "${with_target_subdir}"; then
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case "${host}" in
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hppa*-*-hpux*) libbacktrace_cv_sys_sync=no ;;
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*) libbacktrace_cv_sys_sync=yes ;;
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esac
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else
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM([int i;],
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[__sync_bool_compare_and_swap (&i, i, i);
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__sync_lock_test_and_set (&i, 1);
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__sync_lock_release (&i);])],
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[libbacktrace_cv_sys_sync=yes],
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[libbacktrace_cv_sys_sync=no])
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fi])
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BACKTRACE_SUPPORTS_THREADS=0
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if test "$libbacktrace_cv_sys_sync" = "yes"; then
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BACKTRACE_SUPPORTS_THREADS=1
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AC_DEFINE([HAVE_SYNC_FUNCTIONS], 1,
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[Define to 1 if you have the __sync functions])
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fi
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AC_SUBST(BACKTRACE_SUPPORTS_THREADS)
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# Test for __atomic support.
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AC_CACHE_CHECK([__atomic extensions],
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[libbacktrace_cv_sys_atomic],
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[if test -n "${with_target_subdir}"; then
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libbacktrace_cv_sys_atomic=yes
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else
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM([int i;],
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[__atomic_load_n (&i, __ATOMIC_ACQUIRE);
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__atomic_store_n (&i, 1, __ATOMIC_RELEASE);])],
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[libbacktrace_cv_sys_atomic=yes],
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[libbacktrace_cv_sys_atomic=no])
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fi])
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if test "$libbacktrace_cv_sys_atomic" = "yes"; then
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AC_DEFINE([HAVE_ATOMIC_FUNCTIONS], 1,
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[Define to 1 if you have the __atomic functions])
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fi
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# The library needs to be able to read the executable itself. Compile
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# a file to determine the executable format. The awk script
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# filetype.awk prints out the file type.
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AC_CACHE_CHECK([output filetype],
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[libbacktrace_cv_sys_filetype],
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[filetype=
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM([int i;], [int j;])],
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[filetype=`${AWK} -f $srcdir/filetype.awk conftest.$ac_objext`],
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[AC_MSG_FAILURE([compiler failed])])
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libbacktrace_cv_sys_filetype=$filetype])
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# Match the file type to decide what files to compile.
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FORMAT_FILE=
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backtrace_supports_data=yes
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case "$libbacktrace_cv_sys_filetype" in
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elf*) FORMAT_FILE="elf.lo" ;;
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macho) FORMAT_FILE="macho.lo" ;;
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pecoff) FORMAT_FILE="pecoff.lo"
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backtrace_supports_data=no
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;;
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xcoff*) FORMAT_FILE="xcoff.lo"
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backtrace_supports_data=no
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;;
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*) AC_MSG_WARN([could not determine output file type])
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FORMAT_FILE="unknown.lo"
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backtrace_supported=no
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;;
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esac
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AC_SUBST(FORMAT_FILE)
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# ELF defines.
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elfsize=
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case "$libbacktrace_cv_sys_filetype" in
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elf32) elfsize=32 ;;
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elf64) elfsize=64 ;;
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*) elfsize=unused
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esac
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AC_DEFINE_UNQUOTED([BACKTRACE_ELF_SIZE], [$elfsize], [ELF size: 32 or 64])
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AM_CONDITIONAL(HAVE_ELF, test "$FORMAT_FILE" = "elf.lo")
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# XCOFF defines.
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xcoffsize=
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case "$libbacktrace_cv_sys_filetype" in
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xcoff32) xcoffsize=32 ;;
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xcoff64) xcoffsize=64 ;;
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*) xcoffsize=unused
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esac
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AC_DEFINE_UNQUOTED([BACKTRACE_XCOFF_SIZE], [$xcoffsize], [XCOFF size: 32 or 64])
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BACKTRACE_SUPPORTED=0
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if test "$backtrace_supported" = "yes"; then
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BACKTRACE_SUPPORTED=1
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fi
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AC_SUBST(BACKTRACE_SUPPORTED)
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BACKTRACE_SUPPORTS_DATA=0
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if test "$backtrace_supports_data" = "yes"; then
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BACKTRACE_SUPPORTS_DATA=1
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fi
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AC_SUBST(BACKTRACE_SUPPORTS_DATA)
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GCC_HEADER_STDINT(gstdint.h)
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AC_CHECK_HEADERS(sys/mman.h)
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if test "$ac_cv_header_sys_mman_h" = "no"; then
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have_mmap=no
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else
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if test -n "${with_target_subdir}"; then
|
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# When built as a GCC target library, we can't do a link test. We
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# simply assume that if we have mman.h, we have mmap.
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have_mmap=yes
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case "${host}" in
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*-*-msdosdjgpp)
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# DJGPP has sys/man.h, but no mmap
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have_mmap=no ;;
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esac
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else
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AC_CHECK_FUNC(mmap, [have_mmap=yes], [have_mmap=no])
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fi
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fi
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if test "$have_mmap" = "no"; then
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VIEW_FILE=read.lo
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ALLOC_FILE=alloc.lo
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else
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VIEW_FILE=mmapio.lo
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AC_PREPROC_IFELSE([AC_LANG_SOURCE([
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#include <sys/mman.h>
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#if !defined(MAP_ANONYMOUS) && !defined(MAP_ANON)
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#error no MAP_ANONYMOUS
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#endif
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])], [ALLOC_FILE=mmap.lo], [ALLOC_FILE=alloc.lo])
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fi
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AC_SUBST(VIEW_FILE)
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AC_SUBST(ALLOC_FILE)
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BACKTRACE_USES_MALLOC=0
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|
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if test "$ALLOC_FILE" = "alloc.lo"; then
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BACKTRACE_USES_MALLOC=1
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fi
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AC_SUBST(BACKTRACE_USES_MALLOC)
|
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|
||
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# Check for dl_iterate_phdr.
|
||
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AC_CHECK_HEADERS(link.h)
|
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|
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if test "$ac_cv_header_link_h" = "no"; then
|
||
|
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have_dl_iterate_phdr=no
|
||
|
|
else
|
||
|
|
if test -n "${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],
|
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|
|
[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
|