mirror of
https://github.com/tobast/libunwind-eh_elf.git
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aa29b98f1d
Check whether compiler supports -static-libcxa option (needed when building the shared objects with the Intel 8.x compiler). (LDFLAGS_STATIC_LIBCXA): Substitute its value. (Logical change 1.205)
111 lines
2.7 KiB
Text
111 lines
2.7 KiB
Text
dnl Process this file with autoconf to produce a configure script.
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AC_INIT(libunwind, 0.96, libunwind@linux.hpl.hp.com)
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AC_CONFIG_SRCDIR(src/mi/backtrace.c)
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AC_CONFIG_AUX_DIR(aux)
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AC_CANONICAL_SYSTEM
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AM_INIT_AUTOMAKE
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AM_MAINTAINER_MODE
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AM_CONFIG_HEADER(include/config.h)
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dnl Checks for programs.
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AC_PROG_CC
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AC_PROG_CXX
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AC_PROG_INSTALL
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AC_PROG_MAKE_SET
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AM_PROG_LIBTOOL
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AM_PROG_AS
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dnl Checks for libraries.
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AC_CHECK_LIB(uca, __uc_get_grs)
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CHECK_ATOMIC_OPS
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dnl Checks for header files.
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AC_HEADER_STDC
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AC_CHECK_HEADERS(asm/ptrace_offsets.h endian.h execinfo.h ia64intrin.h \
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sys/uc_access.h unistd.h signal.h)
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dnl Checks for typedefs, structures, and compiler characteristics.
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AC_C_CONST
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AC_C_INLINE
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AC_TYPE_SIGNAL
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AC_TYPE_SIZE_T
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CPPFLAGS="${CPPFLAGS} -D_GNU_SOURCE"
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if test x$enable_debug = xyes; then
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CPPFLAGS="${CPPFLAGS} -DDEBUG"
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else
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CPPFLAGS="${CPPFLAGS} -DNDEBUG"
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fi
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AC_CHECK_MEMBERS([struct dl_phdr_info.dlpi_subs],,,[#include <link.h>])
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AC_CHECK_TYPES([sighandler_t], [], [],
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[$ac_includes_default
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#if HAVE_SIGNAL_H
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# include <signal.h>
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#endif
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])
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dnl Checks for library functions.
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AC_FUNC_MEMCMP
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AC_TYPE_SIGNAL
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AC_CHECK_FUNCS(dl_iterate_phdr dl_phdr_removals_counter dlmodinfo getunwind \
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ttrace)
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get_arch() {
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case "$1" in
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i?86) echo x86;;
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hppa*) echo hppa;;
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*) echo $1;;
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esac
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}
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build_arch=`get_arch $build_cpu`
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target_arch=`get_arch $target_cpu`
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AM_CONDITIONAL(REMOTE_ONLY, test x$target_arch != x$build_arch)
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AM_CONDITIONAL(ARCH_IA64, test x$target_arch = xia64)
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AM_CONDITIONAL(ARCH_HPPA, test x$target_arch = xhppa)
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AM_CONDITIONAL(ARCH_X86, test x$target_arch = xx86)
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AM_CONDITIONAL(OS_LINUX, expr x$target_os : xlinux >/dev/null)
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AM_CONDITIONAL(OS_HPUX, expr x$target_os : xhpux >/dev/null)
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if test x$target_arch != x$build_arch; then
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CPPFLAGS="${CPPFLAGS} -DUNW_REMOTE_ONLY"
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fi
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AC_CONFIG_LINKS(include/libunwind.h:include/libunwind-$target_arch.h
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include/tdep.h:include/tdep-$target_arch.h)
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AC_ARG_ENABLE(debug,
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[ --enable-debug turn on debug support (slows down execution)],
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[enable_debug=yes], [])
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LIBUNWIND___THREAD
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save_LDFLAGS="$LDFLAGS"
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LDFLAGS="$LDFLAGS -static-libcxa"
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AC_TRY_LINK([], [], [have_static_libcxa=yes])
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LDFLAGS="$save_LDFLAGS"
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if test "x$have_static_libcxa" = xyes; then
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LDFLAGS_STATIC_LIBCXA="-XCClinker -static-libcxa"
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fi
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AC_TRY_COMPILE([], [#ifndef __INTEL_COMPILER
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#error choke me
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#endif], [intel_compiler=yes])
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if test x$GCC = xyes -a x$intel_compiler != xyes; then
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CFLAGS="${CFLAGS} -Wall -Wsign-compare"
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fi
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CCASFLAGS="${CCASFLAGS} ${CPPFLAGS}"
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arch="$target_arch"
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ARCH=`echo $target_arch | tr [a-z] [A-Z]`
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AC_SUBST(arch)
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AC_SUBST(ARCH)
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AC_SUBST(LDFLAGS_STATIC_LIBCXA)
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AC_CONFIG_FILES(Makefile src/Makefile tests/Makefile
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doc/Makefile doc/common.tex)
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AC_OUTPUT
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