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libunwind-eh_elf/configure.in
Konstantin Belousov ad932154a6 Port test-ptrace
2010-03-08 00:50:50 +02:00

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define(pkg_major, 0)
define(pkg_minor, 99)
define(pkg_extra, -beta)
define(pkg_maintainer, libunwind-devel@nongnu.org)
define(mkvers, $1.$2$3)
dnl Process this file with autoconf to produce a configure script.
AC_INIT(libunwind, mkvers(pkg_major, pkg_minor, pkg_extra), pkg_maintainer)
AC_CONFIG_SRCDIR(src/mi/backtrace.c)
AC_CONFIG_AUX_DIR(config)
AC_CANONICAL_SYSTEM
AM_INIT_AUTOMAKE([1.6 subdir-objects])
AM_MAINTAINER_MODE
AM_CONFIG_HEADER(include/config.h)
dnl Checks for programs.
AC_PROG_CC
AC_PROG_CXX
AC_PROG_INSTALL
AC_PROG_MAKE_SET
AM_PROG_LIBTOOL
AM_PROG_AS
AM_PROG_CC_C_O
dnl Checks for libraries.
AC_CHECK_LIB(uca, __uc_get_grs)
AC_CHECK_LIB(util, kinfo_getvmmap)
OLD_LIBS=${LIBS}
AC_SEARCH_LIBS(dl, dlopen)
LIBS=${OLD_LIBS}
case "$ac_cv_search_dlopen" in
-l*) DLLIB=$ac_cv_search_dlopen;;
*) DLLIB="";;
esac
CHECK_ATOMIC_OPS
dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(asm/ptrace_offsets.h endian.h sys/endian.h execinfo.h \
ia64intrin.h sys/uc_access.h unistd.h signal.h sys/types.h \
sys/procfs.h)
dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_INLINE
AC_TYPE_SIGNAL
AC_TYPE_SIZE_T
CPPFLAGS="${CPPFLAGS} -D_GNU_SOURCE"
if test x$enable_debug = xyes; then
CPPFLAGS="${CPPFLAGS} -DDEBUG"
else
CPPFLAGS="${CPPFLAGS} -DNDEBUG"
fi
AC_CHECK_MEMBERS([struct dl_phdr_info.dlpi_subs],,,[#include <link.h>])
AC_CHECK_TYPES([sighandler_t], [], [],
[$ac_includes_default
#if HAVE_SIGNAL_H
# include <signal.h>
#endif
])
AC_CHECK_DECLS(PTRACE_POKEUSER, [], [],
[$ac_includes_default
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <sys/ptrace.h>
])
AC_CHECK_DECLS(PTRACE_POKEDATA, [], [],
[$ac_includes_default
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <sys/ptrace.h>
])
AC_CHECK_DECLS(PTRACE_CONT, [], [],
[$ac_includes_default
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <sys/ptrace.h>
])
AC_CHECK_DECLS(PTRACE_TRACEME, [], [],
[$ac_includes_default
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <sys/ptrace.h>
])
AC_CHECK_DECLS(PTRACE_CONT, [], [],
[$ac_includes_default
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <sys/ptrace.h>
])
AC_CHECK_DECLS(PTRACE_SINGLESTEP, [], [],
[$ac_includes_default
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <sys/ptrace.h>
])
AC_CHECK_DECLS(PTRACE_SYSCALL, [], [],
[$ac_includes_default
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <sys/ptrace.h>
])
AC_CHECK_DECLS(PT_IO, [], [],
[$ac_includes_default
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <sys/ptrace.h>
])
AC_CHECK_DECLS(PT_GETREGS, [], [],
[$ac_includes_default
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <sys/ptrace.h>
])
AC_CHECK_DECLS(PT_GETFPREGS, [], [],
[$ac_includes_default
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <sys/ptrace.h>
])
AC_CHECK_DECLS(PT_CONTINUE, [], [],
[$ac_includes_default
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <sys/ptrace.h>
])
AC_CHECK_DECLS(PT_TRACE_ME, [], [],
[$ac_includes_default
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <sys/ptrace.h>
])
AC_CHECK_DECLS(PT_CONTINUE, [], [],
[$ac_includes_default
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <sys/ptrace.h>
])
AC_CHECK_DECLS(PT_STEP, [], [],
[$ac_includes_default
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <sys/ptrace.h>
])
AC_CHECK_DECLS(PT_SYSCALL, [], [],
[$ac_includes_default
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <sys/ptrace.h>
])
dnl Checks for library functions.
AC_FUNC_MEMCMP
AC_TYPE_SIGNAL
AC_CHECK_FUNCS(dl_iterate_phdr dl_phdr_removals_counter dlmodinfo getunwind \
ttrace)
is_gcc_m64() {
if test `echo $CFLAGS | grep "\-m64" -c` -eq 1 ; then echo ppc64;
else
if test `echo $CC | grep "\-m64" -c` -eq 1 ; then echo ppc64; else echo ppc32; fi;
fi;
}
is_gcc_altivec() {
if test `echo $CFLAGS | grep "\-maltivec" -c` -eq 1 ; then echo has_altivec;
else
if test `echo $CC | grep "\-maltivec" -c` -eq 1 ; then echo has_altivec; else echo no_altivec; fi;
fi;
}
use_altivec=`is_gcc_altivec`
AM_CONDITIONAL(USE_ALTIVEC, test x$use_altivec = xhas_altivec)
get_arch() {
case "$1" in
arm*) echo arm;;
i?86) echo x86;;
hppa*) echo hppa;;
mips*) echo mips;;
powerpc*) is_gcc_m64;;
amd64) echo x86_64;;
*) echo $1;;
esac
}
build_arch=`get_arch $build_cpu`
host_arch=`get_arch $host_cpu`
target_arch=`get_arch $target_cpu`
AM_CONDITIONAL(REMOTE_ONLY, test x$target_arch != x$host_arch)
AM_CONDITIONAL(ARCH_ARM, test x$target_arch = xarm)
AM_CONDITIONAL(ARCH_IA64, test x$target_arch = xia64)
AM_CONDITIONAL(ARCH_HPPA, test x$target_arch = xhppa)
AM_CONDITIONAL(ARCH_MIPS, test x$target_arch = xmips)
AM_CONDITIONAL(ARCH_X86, test x$target_arch = xx86)
AM_CONDITIONAL(ARCH_X86_64, test x$target_arch = xx86_64)
AM_CONDITIONAL(ARCH_PPC32, test x$target_arch = xppc32)
AM_CONDITIONAL(ARCH_PPC64, test x$target_arch = xppc64)
AM_CONDITIONAL(OS_LINUX, expr x$target_os : xlinux >/dev/null)
AM_CONDITIONAL(OS_HPUX, expr x$target_os : xhpux >/dev/null)
AM_CONDITIONAL(OS_FREEBSD, expr x$target_os : xfreebsd >/dev/null)
if test x$target_arch = xppc64; then
libdir='${exec_prefix}/lib64'
AC_MSG_NOTICE([PowerPC64 detected, lib will be installed ${libdir}]);
AC_SUBST([libdir])
fi
if test x$target_arch != x$host_arch; then
CPPFLAGS="${CPPFLAGS} -DUNW_REMOTE_ONLY"
fi
AC_ARG_ENABLE(debug,
[ --enable-debug turn on debug support (slows down execution)],
[enable_debug=yes], [])
AC_ARG_ENABLE(cxx_exceptions,
[ --enable-cxx-exceptions use libunwind to handle C++ exceptions],
[enable_cxx_exceptions=$enableval],
[
# C++ exception handling doesn't work too well on x86
case $target_arch in
x86*) enable_cxx_exceptions=no;;
arm*) enable_cxx_exceptions=no;;
mips*) enable_cxx_exceptions=no;;
*) enable_cxx_exceptions=yes;;
esac
])
if test x$enable_cxx_exceptions = xyes; then
AC_MSG_NOTICE([Enabling C++ exception support])
fi
AM_CONDITIONAL([SUPPORT_CXX_EXCEPTIONS], [test x$enable_cxx_exceptions = xyes])
AC_ARG_ENABLE(debug_frame,
[ --enable-debug-frame Load the ".debug_frame" section if available],
[enable_debug_frame=$enableval], [enable_debug_frame=no])
if test x$enable_debug_frame = xyes; then
AC_DEFINE([CONFIG_DEBUG_FRAME], [], [Enable Debug Frame])
fi
AC_ARG_ENABLE(block_signals,
[ --enable-block-signals Block signals before performing mutex operations],
[enable_block_signals=$enableval], [enable_block_signals=yes])
if test x$enable_block_signals = xyes; then
AC_DEFINE([CONFIG_BLOCK_SIGNALS], [], [Block signals before mutex operations])
fi
LIBUNWIND___THREAD
save_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS -static-libcxa"
AC_TRY_LINK([], [], [have_static_libcxa=yes])
LDFLAGS="$save_LDFLAGS"
if test "x$have_static_libcxa" = xyes; then
LDFLAGS_STATIC_LIBCXA="-XCClinker -static-libcxa"
fi
AC_TRY_COMPILE([], [#ifndef __INTEL_COMPILER
#error choke me
#endif], [intel_compiler=yes])
if test x$GCC = xyes -a x$intel_compiler != xyes; then
CFLAGS="${CFLAGS} -fexceptions -Wall -Wsign-compare"
LIBCRTS="-lgcc"
fi
CCASFLAGS="${CCASFLAGS} ${CPPFLAGS}"
arch="$target_arch"
ARCH=`echo $target_arch | tr [a-z] [A-Z]`
dnl create shell variables from the M4 macros:
PKG_MAJOR=pkg_major
PKG_MINOR=pkg_minor
PKG_EXTRA=pkg_extra
PKG_MAINTAINER=pkg_maintainer
AC_SUBST(build_arch)
AC_SUBST(target_os)
AC_SUBST(arch)
AC_SUBST(ARCH)
AC_SUBST(LDFLAGS_STATIC_LIBCXA)
AC_SUBST(LIBCRTS)
AC_SUBST(PKG_MAJOR)
AC_SUBST(PKG_MINOR)
AC_SUBST(PKG_EXTRA)
AC_SUBST(PKG_MAINTAINER)
AC_SUBST(enable_cxx_exceptions)
AC_SUBST(DLLIB)
AC_CONFIG_FILES(Makefile src/Makefile tests/Makefile tests/check-namespace.sh
doc/Makefile doc/common.tex include/libunwind-common.h)
AC_OUTPUT
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