#You should have received a copy of the GNU General Public License
#along with GCC; see the file COPYING. If not, write to the Free
-#Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-#02111-1307, USA.
+#Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+#02110-1301, USA.
# --------------------------------
# Initialization and sanity checks
AC_CONFIG_SRCDIR(tree.c)
AC_CONFIG_HEADER(auto-host.h:config.in)
-#Set to 1 on a release branch
-is_release=
+gcc_version=`cat $srcdir/BASE-VER`
# Determine the host, build, and target systems
AC_CANONICAL_BUILD
if test x${enable_version_specific_runtime_libs} = xyes; then
gcc_gxx_include_dir='${libsubdir}/include/c++'
else
- topsrcdir=${srcdir}/.. . ${srcdir}/../config.if
+ libstdcxx_incdir='c++/$(version)'
changequote(<<, >>)dnl
gcc_gxx_include_dir="\$(libsubdir)/\$(unlibsubdir)/..\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/[^/]*|/..|g'\`/include/"${libstdcxx_incdir}
changequote([, ])dnl
AC_PROG_CPP
AC_C_INLINE
-gcc_AC_C_LONG_LONG
-
# sizeof(char) is 1 by definition.
AC_CHECK_SIZEOF(void *)
AC_CHECK_SIZEOF(short)
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)
-if test $ac_cv_c_long_long = yes; then
- AC_CHECK_SIZEOF(long long)
-fi
-if test $ac_cv_c___int64 = yes; then
- AC_CHECK_SIZEOF(__int64)
-fi
+AC_CHECK_TYPES([long long], [AC_CHECK_SIZEOF(long long)])
+AC_CHECK_TYPES([__int64], [AC_CHECK_SIZEOF(__int64)])
# ---------------------
# Warnings and checking
&& test $ac_cv_prog_cc_w_no_variadic_macros = yes ; then
strict1_warn="-pedantic -Wno-long-long -Wno-variadic-macros"
fi
-AC_SUBST(strict1_warn)
# Add -Wold-style-definition if it's accepted
AC_CACHE_CHECK(
strict1_warn="${strict1_warn} -Wold-style-definition"
fi
+# Add -Wmissing-format-attribute if it's accepted
+AC_CACHE_CHECK(
+ [whether ${CC} accepts -Wmissing-format-attribute],
+ [ac_cv_prog_cc_w_missing_format_attribute],
+ [save_CFLAGS="$CFLAGS"
+ CFLAGS="-Wmissing-format-attribute"
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[]])],
+ [ac_cv_prog_cc_w_missing_format_attribute=yes],
+ [ac_cv_prog_cc_w_missing_format_attribute=no])
+ CFLAGS="$save_CFLAGS"
+ ])
+if test $ac_cv_prog_cc_w_missing_format_attribute = yes ; then
+ strict1_warn="${strict1_warn} -Wmissing-format-attribute"
+fi
+
# Enable -Werror, period.
AC_ARG_ENABLE(werror_always,
[ --enable-werror-always enable -Werror always], [],
WERROR=-Werror
fi
+AC_SUBST(strict1_warn)
+
# If the native compiler is GCC, we can enable warnings even in stage1.
# That's useful for people building cross-compilers, or just running a
# quick `make'.
AC_SUBST(warn_cflags)
# Enable -Werror in bootstrap stage2 and later.
+is_release=
+if test x"`cat $srcdir/DEV-PHASE`" != xexperimental; then
+ is_release=yes
+fi
AC_ARG_ENABLE(werror,
[ --enable-werror enable -Werror in bootstrap stage2 and later], [],
[if test x$is_release = x ; then
[ --enable-checking[=LIST]
enable expensive run-time checks. With LIST,
enable only specific categories of checks.
- Categories are: assert,fold,gc,gcac,misc,
- rtlflag,rtl,tree,valgrind,release,yes,all;],
+ Categories are: yes,no,all,none,release.
+ Flags are: assert,fold,gc,gcac,misc,
+ rtlflag,rtl,runtime,tree,valgrind.],
[ac_checking_flags="${enableval}"],[
# Determine the default checks.
if test x$is_release = x ; then
fi])
ac_assert_checking=1
ac_checking=
-ac_tree_checking=
-ac_rtl_checking=
-ac_rtlflag_checking=
+ac_fold_checking=
ac_gc_checking=
ac_gc_always_collect=
-ac_fold_checking=
+ac_rtl_checking=
+ac_rtlflag_checking=
+ac_runtime_checking=1
+ac_tree_checking=
+ac_valgrind_checking=
IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
for check in $ac_checking_flags
do
case $check in
+ # these set all the flags to specific states
yes) ac_assert_checking=1 ; ac_checking=1 ;
- ac_tree_checking=1 ; ac_gc_checking=1 ;
- ac_rtlflag_checking=1 ;;
- no) ac_assert_checking= ; ac_checking= ;
- ac_tree_checking= ; ac_rtl_checking= ;
- ac_rtlflag_checking= ; ac_gc_checking= ;
- ac_gc_always_collect= ; ac_fold_checking= ;;
+ ac_fold_checking= ; ac_gc_checking=1 ;
+ ac_gc_always_collect= ; ac_rtl_checking= ;
+ ac_rtlflag_checking=1 ; ac_runtime_checking=1 ;
+ ac_tree_checking=1 ; ac_valgrind_checking= ;;
+ no|none) ac_assert_checking= ; ac_checking= ;
+ ac_fold_checking= ; ac_gc_checking= ;
+ ac_gc_always_collect= ; ac_rtl_checking= ;
+ ac_rtlflag_checking= ; ac_runtime_checking= ;
+ ac_tree_checking= ; ac_valgrind_checking= ;;
all) ac_assert_checking=1 ; ac_checking=1 ;
- ac_tree_checking=1 ; ac_rtl_checking=1 ;
- ac_rtlflag_checking=1 ; ac_gc_checking=1 ;
- ac_gc_always_collect=1 ; ac_fold_checking=1 ;;
- release) ac_assert_checking=1 ;;
+ ac_fold_checking=1 ; ac_gc_checking=1 ;
+ ac_gc_always_collect=1 ; ac_rtl_checking=1 ;
+ ac_rtlflag_checking=1 ; ac_runtime_checking=1 ;
+ ac_tree_checking=1 ; ac_valgrind_checking= ;;
+ release) ac_assert_checking=1 ; ac_checking= ;
+ ac_fold_checking= ; ac_gc_checking= ;
+ ac_gc_always_collect= ; ac_rtl_checking= ;
+ ac_rtlflag_checking= ; ac_runtime_checking=1 ;
+ ac_tree_checking= ; ac_valgrind_checking= ;;
+ # these enable particular checks
assert) ac_assert_checking=1 ;;
fold) ac_fold_checking=1 ;;
gc) ac_gc_checking=1 ;;
gcac) ac_gc_always_collect=1 ;;
misc) ac_checking=1 ;;
- rtlflag) ac_rtlflag_checking=1 ;;
rtl) ac_rtl_checking=1 ;;
+ rtlflag) ac_rtlflag_checking=1 ;;
+ runtime) ac_runtime_checking=1 ;;
tree) ac_tree_checking=1 ;;
- valgrind) ac_checking_valgrind=1 ;;
+ valgrind) ac_valgrind_checking=1 ;;
*) AC_MSG_ERROR(unknown check category $check) ;;
esac
done
AC_DEFINE(ENABLE_ASSERT_CHECKING, 1,
[Define if you want assertions enabled. This is a cheap check.])
fi
+GCC_TARGET_TEMPLATE(ENABLE_RUNTIME_CHECKING)
+if test x$ac_runtime_checking != x ; then
+ AC_DEFINE(ENABLE_RUNTIME_CHECKING, 1,
+[Define if you want runtime assertions enabled. This is a cheap check.])
+fi
if test x$ac_tree_checking != x ; then
AC_DEFINE(ENABLE_TREE_CHECKING, 1,
[Define if you want all operations on trees (the basic data
dnl # in converting to autoconf 2.5x!
AC_CHECK_HEADER(valgrind.h, have_valgrind_h=yes, have_valgrind_h=no)
-if test x$ac_checking_valgrind != x ; then
+if test x$ac_valgrind_checking != x ; then
# It is certainly possible that there's valgrind but no valgrind.h.
# GCC relies on making annotations so we must have both.
AC_MSG_CHECKING(for VALGRIND_DISCARD in <valgrind/memcheck.h>)
- AC_TRY_CPP(
- [#include <valgrind/memcheck.h>
+ AC_PREPROC_IFELSE([AC_LANG_SOURCE(
+ [[#include <valgrind/memcheck.h>
#ifndef VALGRIND_DISCARD
#error VALGRIND_DISCARD not defined
-#endif],
+#endif]])],
[gcc_cv_header_valgrind_memcheck_h=yes],
[gcc_cv_header_valgrind_memcheck_h=no])
AC_MSG_RESULT($gcc_cv_header_valgrind_memcheck_h)
AC_MSG_CHECKING(for VALGRIND_DISCARD in <memcheck.h>)
- AC_TRY_CPP(
- [#include <memcheck.h>
+ AC_PREPROC_IFELSE([AC_LANG_SOURCE(
+ [[#include <memcheck.h>
#ifndef VALGRIND_DISCARD
#error VALGRIND_DISCARD not defined
-#endif],
- [gcc_cv_header_memcheck_h=yes],
- gcc_cv_header_memcheck_h=no)
+#endif]])],
+ [gcc_cv_header_memcheck_h=yes],
+ [gcc_cv_header_memcheck_h=no])
AC_MSG_RESULT($gcc_cv_header_memcheck_h)
AM_PATH_PROG_WITH_TEST(valgrind_path, valgrind,
[$ac_dir/$ac_word --version | grep valgrind- >/dev/null 2>&1])
], [enable_shared=yes])
AC_SUBST(enable_shared)
+AC_ARG_WITH(build-sysroot,
+ [ --with-build-sysroot=sysroot
+ use sysroot as the system root during the build])
+
AC_ARG_WITH(sysroot,
[ --with-sysroot[=DIR] Search for usr/lib, usr/include, et al, within DIR.],
[
TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
CROSS_SYSTEM_HEADER_DIR='$(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR)'
-
+
if test "x$exec_prefix" = xNONE; then
if test "x$prefix" = xNONE; then
test_prefix=/usr/local
AC_MSG_CHECKING(for GNU C library)
AC_CACHE_VAL(gcc_cv_glibc,
-[AC_TRY_COMPILE(
- [#include <features.h>],[
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
+ [[#include <features.h>]], [[
#if ! (defined __GLIBC__ || defined __GNU_LIBRARY__)
#error Not a GNU C library system
-#endif],
- [gcc_cv_glibc=yes],
- gcc_cv_glibc=no)])
+#endif]])],
+ [gcc_cv_glibc=yes],
+ [gcc_cv_glibc=no])])
AC_MSG_RESULT($gcc_cv_glibc)
if test $gcc_cv_glibc = yes; then
AC_DEFINE(_GNU_SOURCE, 1, [Always define this when using the GNU C Library])
# These tests can't be done till we know if we have limits.h.
gcc_AC_C_CHAR_BIT
-AC_C_BIGENDIAN_CROSS
+AC_C_BIGENDIAN
# --------
# UNSORTED
# doesn't clash with <sys/types.h>, and declares intmax_t.
AC_MSG_CHECKING(for inttypes.h)
AC_CACHE_VAL(gcc_cv_header_inttypes_h,
-[AC_TRY_COMPILE(
- [#include <sys/types.h>
-#include <inttypes.h>],
- [intmax_t i = -1;],
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
+[[#include <sys/types.h>
+#include <inttypes.h>]],
+ [[intmax_t i = -1;]])],
[gcc_cv_header_inttypes_h=yes],
- gcc_cv_header_inttypes_h=no)])
+ [gcc_cv_header_inttypes_h=no])])
AC_MSG_RESULT($gcc_cv_header_inttypes_h)
if test $gcc_cv_header_inttypes_h = yes; then
AC_DEFINE(HAVE_INTTYPES_H, 1,
dnl Disabled until we have a complete test for buggy enum bitfields.
dnl gcc_AC_C_ENUM_BF_UNSIGNED
-AC_CHECK_FUNCS(times clock dup2 kill getrlimit setrlimit atoll atoq \
- sysconf strsignal putc_unlocked fputc_unlocked fputs_unlocked \
- fwrite_unlocked fprintf_unlocked getrusage nl_langinfo \
- scandir alphasort gettimeofday mbstowcs wcswidth mmap mincore \
- setlocale)
+define(gcc_UNLOCKED_FUNCS, clearerr_unlocked feof_unlocked dnl
+ ferror_unlocked fflush_unlocked fgetc_unlocked fgets_unlocked dnl
+ fileno_unlocked fprintf_unlocked fputc_unlocked fputs_unlocked dnl
+ fread_unlocked fwrite_unlocked getchar_unlocked getc_unlocked dnl
+ putchar_unlocked putc_unlocked)
+AC_CHECK_FUNCS(times clock kill getrlimit setrlimit atoll atoq \
+ sysconf strsignal getrusage nl_langinfo scandir alphasort \
+ gettimeofday mbstowcs wcswidth mmap mincore setlocale \
+ gcc_UNLOCKED_FUNCS)
if test x$ac_cv_func_mbstowcs = xyes; then
AC_CACHE_CHECK(whether mbstowcs works, gcc_cv_func_mbstowcs_works,
-[ AC_TRY_RUN([#include <stdlib.h>
+[ AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdlib.h>
int main()
{
mbstowcs(0, "", 0);
return 0;
-}],
- gcc_cv_func_mbstowcs_works=yes,
- gcc_cv_func_mbstowcs_works=no,
- gcc_cv_func_mbstowcs_works=yes)])
+}]])],
+ [gcc_cv_func_mbstowcs_works=yes],
+ [gcc_cv_func_mbstowcs_works=no],
+ [gcc_cv_func_mbstowcs_works=yes])])
if test x$gcc_cv_func_mbstowcs_works = xyes; then
AC_DEFINE(HAVE_WORKING_MBSTOWCS, 1,
[Define this macro if mbstowcs does not crash when its
fi
AC_SUBST(TARGET_GETGROUPS_T)
-gcc_AC_FUNC_PRINTF_PTR
gcc_AC_FUNC_MMAP_BLACKLIST
case "${host}" in
ac_cv_func_vfork_works=yes
;;
esac
-AC_FUNC_VFORK
+AC_FUNC_FORK
AM_ICONV
# Until we have in-tree GNU iconv:
# We will need to find libiberty.h and ansidecl.h
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include"
-gcc_AC_CHECK_DECLS(getenv atol sbrk abort atof getcwd getwd \
- strsignal putc_unlocked fputs_unlocked fwrite_unlocked \
- fprintf_unlocked strstr errno snprintf vasprintf \
- malloc realloc calloc free basename getopt clock getpagesize, , ,[
+gcc_AC_CHECK_DECLS(getenv atol asprintf sbrk abort atof getcwd getwd \
+ strsignal strstr strverscmp \
+ errno snprintf vsnprintf vasprintf malloc realloc calloc \
+ free basename getopt clock getpagesize gcc_UNLOCKED_FUNCS, , ,[
#include "ansidecl.h"
#include "system.h"])
#endif
])
-AC_TRY_COMPILE([
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include "ansidecl.h"
#include "system.h"
#ifdef HAVE_SYS_RESOURCE_H
#include <sys/resource.h>
#endif
-],[rlim_t l = 0;],,[AC_DEFINE([rlim_t],[long],
+]], [[rlim_t l = 0;]])],[],[AC_DEFINE([rlim_t],[long],
[Define to \`long' if <sys/resource.h> doesn't define.])])
+# On AIX 5.2, <ldfcn.h> conflicts with <fcntl.h>, as both define incompatible
+# FREAD and FWRITE macros. Fortunately, for GCC's single usage of ldgetname
+# in collect2.c, <fcntl.h> isn't visible, but the configure test below needs
+# to undef these macros to get the correct value for HAVE_DECL_LDGETNAME.
gcc_AC_CHECK_DECLS(ldgetname, , ,[
#include "ansidecl.h"
#include "system.h"
#ifdef HAVE_LDFCN_H
+#undef FREAD
+#undef FWRITE
#include <ldfcn.h>
#endif
])
# More time-related stuff.
AC_CACHE_CHECK(for struct tms, ac_cv_struct_tms, [
-AC_TRY_COMPILE([
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include "ansidecl.h"
#include "system.h"
#ifdef HAVE_SYS_TIMES_H
#include <sys/times.h>
#endif
-], [struct tms tms;], ac_cv_struct_tms=yes, ac_cv_struct_tms=no)])
+]], [[struct tms tms;]])],[ac_cv_struct_tms=yes],[ac_cv_struct_tms=no])])
if test $ac_cv_struct_tms = yes; then
AC_DEFINE(HAVE_STRUCT_TMS, 1,
[Define if <sys/times.h> defines struct tms.])
# use gcc_cv_* here because this doesn't match the behavior of AC_CHECK_TYPE.
# revisit after autoconf 2.50.
AC_CACHE_CHECK(for clock_t, gcc_cv_type_clock_t, [
-AC_TRY_COMPILE([
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include "ansidecl.h"
#include "system.h"
-], [clock_t x;], gcc_cv_type_clock_t=yes, gcc_cv_type_clock_t=no)])
+]], [[clock_t x;]])],[gcc_cv_type_clock_t=yes],[gcc_cv_type_clock_t=no])])
if test $gcc_cv_type_clock_t = yes; then
AC_DEFINE(HAVE_CLOCK_T, 1,
[Define if <time.h> defines clock_t.])
# default
target_thread_file='single'
;;
- aix | dce | gnat | irix | posix | rtems | \
+ aix | dce | gnat | irix | posix | posix95 | rtems | \
single | solaris | vxworks | win32 )
target_thread_file=${enable_threads}
;;
for this architecture.])
fi
+# Convert extra_options into a form suitable for Makefile use.
+extra_opt_files=
+for f in $extra_options; do
+ extra_opt_files="$extra_opt_files \$(srcdir)/config/$f"
+done
+AC_SUBST(extra_opt_files)
+
# auto-host.h is the file containing items generated by autoconf and is
# the first file included by config.h.
# If host=build, it is correct to have bconfig include auto-host.h
build_xm_file="${build_auto} ansidecl.h ${build_xm_file}"
# We don't want ansidecl.h in target files, write code there in ISO/GNU C.
# put this back in temporarily.
-xm_file="ansidecl.h ${xm_file}"
+xm_file="auto-host.h ansidecl.h ${xm_file}"
# --------
# UNSORTED
# --------
-# Get the version trigger filename from the toplevel
-if test "${with_gcc_version_trigger+set}" = set; then
- gcc_version_trigger=$with_gcc_version_trigger
-else
- gcc_version_trigger=${srcdir}/version.c
-fi
changequote(,)dnl
-gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*"\([^"]*\)".*/\1/'`
-gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
-
# Compile in configure arguments.
if test -f configargs.h ; then
# Being re-configured.
changequote([,])dnl
# Internationalization
-PACKAGE=gcc
-VERSION="$gcc_version"
-AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE",
- [The name of this program for internationalization purposes.])
-AC_SUBST(PACKAGE)
-AC_SUBST(VERSION)
-
ZW_GNU_GETTEXT_SISTER_DIR
# If LIBINTL contains LIBICONV, then clear LIBICONV so we don't get
LIBICONV= ;;
esac
+AC_ARG_ENABLE(secureplt,
+[ --enable-secureplt enable -msecure-plt by default for PowerPC],
+[], [])
+
# Windows32 Registry support for specifying GCC installation paths.
AC_ARG_ENABLE(win32-registry,
[ --disable-win32-registry
--enable-win32-registry=KEY
use KEY instead of GCC version as the last portion
of the registry key],,)
+
case $host_os in
- win32 | pe | cygwin* | mingw32* | uwin*)
-AC_MSG_CHECKING(whether windows registry support is requested)
-if test "x$enable_win32_registry" != xno; then
- AC_DEFINE(ENABLE_WIN32_REGISTRY, 1,
-[Define to 1 if installation paths should be looked up in Windows32
- Registry. Ignored on non windows32 hosts.])
- AC_MSG_RESULT(yes)
- AC_SEARCH_LIBS(RegOpenKeyExA, advapi32)
-else
- AC_MSG_RESULT(no)
-fi
+ win32 | pe | cygwin* | mingw32* | uwin*)
+ if test "x$enable_win32_registry" != xno; then
+ AC_SEARCH_LIBS(RegOpenKeyExA, advapi32,, [enable_win32_registry=no])
+ fi
-# Check if user specified a different registry key.
-case "x${enable_win32_registry}" in
-x | xyes)
- # default.
- gcc_cv_win32_registry_key="$VERSION"
- ;;
-xno)
- # no registry lookup.
- gcc_cv_win32_registry_key=''
- ;;
-*)
- # user-specified key.
- gcc_cv_win32_registry_key="$enable_win32_registry"
+ if test "x$enable_win32_registry" != xno; then
+ AC_DEFINE(ENABLE_WIN32_REGISTRY, 1,
+ [Define to 1 if installation paths should be looked up in the Windows
+ Registry. Ignored on non-Windows hosts.])
+
+ if test "x$enable_win32_registry" != xyes \
+ && test "x$enable_win32_registry" != x; then
+ AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$enable_win32_registry",
+ [Define to be the last component of the Windows registry key under which
+ to look for installation paths. The full key used will be
+ HKEY_LOCAL_MACHINE/SOFTWARE/Free Software Foundation/{WIN32_REGISTRY_KEY}.
+ The default is the GCC version number.])
+ fi
+ fi
;;
esac
-if test "x$enable_win32_registry" != xno; then
- AC_MSG_CHECKING(registry key on windows hosts)
- AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key",
- [Define to be the last portion of registry key on windows hosts.])
- AC_MSG_RESULT($gcc_cv_win32_registry_key)
-fi
-;;
-esac
-
# Get an absolute path to the GCC top-level source directory
holddir=`${PWDCMD-pwd}`
cd $srcdir
;;
esac
+# This is a terrible hack which will go away some day.
+host_cc_for_libada=${CC}
+AC_SUBST(host_cc_for_libada)
+
out_object_file=`basename $out_file .c`.o
-tm_file_list=
-tm_include_list=
+tm_file_list="options.h"
+tm_include_list="options.h"
for f in $tm_file; do
case $f in
defaults.h )
CROSS= AC_SUBST(CROSS)
ALL=all.internal AC_SUBST(ALL)
SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR)
+
+if test "x$with_build_sysroot" != x; then
+ build_system_header_dir=$with_build_sysroot'$(NATIVE_SYSTEM_HEADER_DIR)'
+else
+ # This value is used, even on a native system, because
+ # CROSS_SYSTEM_HEADER_DIR is just
+ # $(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR).
+ build_system_header_dir='$(CROSS_SYSTEM_HEADER_DIR)'
+fi
+
if test x$host != x$target
then
CROSS="-DCROSS_COMPILE"
ALL=all.cross
- SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
+ SYSTEM_HEADER_DIR=$build_system_header_dir
case "$host","$target" in
# Darwin crosses can use the host system's libraries and headers,
# because of the fat library support. Of course, it must be the
CROSS="$CROSS -DNATIVE_CROSS" ;;
esac
elif test "x$TARGET_SYSTEM_ROOT" != x; then
- # This is just $(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR)
- SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
+ SYSTEM_HEADER_DIR=$build_system_header_dir
fi
# If this is a cross-compiler that does not
# then define inhibit_libc in LIBGCC2_CFLAGS.
# This prevents libgcc2 from containing any code which requires libc
# support.
-inhibit_libc=
+inhibit_libc=false
if { { test x$host != x$target && test "x$with_sysroot" = x ; } ||
test x$with_newlib = xyes ; } &&
{ test "x$with_headers" = x || test "x$with_headers" = xno ; } ; then
- inhibit_libc=-Dinhibit_libc
+ inhibit_libc=true
fi
AC_SUBST(inhibit_libc)
BUILD_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD)'
if test "x$TARGET_SYSTEM_ROOT" = x; then
- if [ "x$STMP_FIXPROTO" != x ] ; then
+ if test "x$STMP_FIXPROTO" != x; then
STMP_FIXPROTO=stmp-install-fixproto
fi
fi
# If build != host, and we aren't building gas in-tree, we identify a
# build->target assembler and hope that it will have the same features
# as the host->target assembler we'll be using.
-AC_MSG_CHECKING(what assembler to use)
in_tree_gas=no
gcc_cv_as=
gcc_cv_gas_major_version=
gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
if test -x "$DEFAULT_ASSEMBLER"; then
gcc_cv_as="$DEFAULT_ASSEMBLER"
-elif test -x as$build_exeext; then
- # Build using assembler in the current directory.
- gcc_cv_as=./as$build_exeext
elif test -f $gcc_cv_as_gas_srcdir/configure.in \
&& test -f ../gas/Makefile \
&& test x$build = x$host; then
# we'll use what we're building after installation anyway.
in_tree_gas=yes
_gcc_COMPUTE_GAS_VERSION
- rm -f as$build_exeext
- $LN_S ../gas/as-new$build_exeext as$build_exeext 2>/dev/null
+ gcc_cv_as=../gas/as-new$build_exeext
in_tree_gas_is_elf=no
if grep 'obj_format = elf' ../gas/Makefile > /dev/null \
|| (grep 'obj_format = multi' ../gas/Makefile \
in_tree_gas_is_elf=yes
fi
m4_pattern_allow([AS_FOR_TARGET])dnl
+elif test -x as$build_exeext; then
+ # Build using assembler in the current directory.
+ gcc_cv_as=./as$build_exeext
elif test -x "$AS_FOR_TARGET"; then
gcc_cv_as="$AS_FOR_TARGET"
elif test -x "$AS" && test x$host = x$target; then
gcc_cv_as="$AS"
fi
-if test "x$gcc_cv_as" = x; then
- # Search the same directories that the installed compiler will
- # search. Else we may find the wrong assembler and lose. If we
- # do not find a suitable assembler binary, then try the user's
- # path.
- #
- # Also note we have to check MD_EXEC_PREFIX before checking the
- # user's path. Unfortunately, there is no good way to get at the
- # value of MD_EXEC_PREFIX here. So we do a brute force search
- # through all the known MD_EXEC_PREFIX values. Ugh. This needs
- # to be fixed as part of the make/configure rewrite too.
-
- if test "x$exec_prefix" = xNONE; then
- if test "x$prefix" = xNONE; then
- test_prefix=/usr/local
- else
- test_prefix=$prefix
- fi
- else
- test_prefix=$exec_prefix
- fi
-
- # If the loop below does not find an assembler, then use whatever
- # one we can find in the users's path.
- # user's path.
- if test "x$program_prefix" != xNONE; then
- gcc_cv_as=${program_prefix}as$build_exeext
- else
- gcc_cv_as=`echo as | sed "${program_transform_name}"`$build_exeext
- fi
-
- if test x$host = x$build; then
- test_dirs="$test_prefix/libexec/gcc/$target_noncanonical/$gcc_version \
- $test_prefix/libexec/gcc/$target_noncanonical \
- /usr/lib/gcc/$target_noncanonical/$gcc_version \
- /usr/lib/gcc/$target_noncanonical \
- $test_prefix/$target_noncanonical/bin/$target_noncanonical/$gcc_version \
- $test_prefix/$target_noncanonical/bin"
- else
- test_dirs=
- fi
-
- if test x$host = x$target; then
- test_dirs="$test_dirs \
- /usr/libexec \
- /usr/ccs/gcc \
- /usr/ccs/bin \
- /udk/usr/ccs/bin \
- /bsd43/usr/lib/cmplrs/cc \
- /usr/cross64/usr/bin \
- /usr/lib/cmplrs/cc \
- /sysv/usr/lib/cmplrs/cc \
- /svr4/usr/lib/cmplrs/cc \
- /usr/bin"
- fi
-
- for dir in $test_dirs; do
- if test -x $dir/as$build_exeext; then
- gcc_cv_as=$dir/as$build_exeext
- break;
- fi
- done
-fi
+gcc_AC_CHECK_TOOL(gcc_cv_as, as, ORIGINAL_AS_FOR_TARGET)
+AC_MSG_CHECKING(what assembler to use)
case $in_tree_gas in
yes)
AC_MSG_RESULT("newly built gas")
# If build != host, and we aren't building gas in-tree, we identify a
# build->target linker and hope that it will have the same features
# as the host->target linker we'll be using.
-AC_MSG_CHECKING(what linker to use)
in_tree_ld=no
gcc_cv_ld=
gcc_cv_gld_major_version=
gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
if test -x "$DEFAULT_LINKER"; then
gcc_cv_ld="$DEFAULT_LINKER"
-elif test -x collect-ld$build_exeext; then
- # Build using linker in the current directory.
- gcc_cv_ld=./collect-ld$build_exeext
elif test -f $gcc_cv_ld_gld_srcdir/configure.in \
&& test -f ../ld/Makefile \
&& test x$build = x$host; then
gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"`
gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
changequote([,])dnl
- rm -f collect-ld$build_exeext
- $LN_S ../ld/ld-new$build_exeext collect-ld$build_exeext 2>/dev/null
+ gcc_cv_ld=../ld/ld-new$build_exeext
+elif test -x collect-ld$build_exeext; then
+ # Build using linker in the current directory.
+ gcc_cv_ld=./collect-ld$build_exeext
elif test -x "$LD_FOR_TARGET"; then
gcc_cv_ld="$LD_FOR_TARGET"
elif test -x "$LD" && test x$host = x$target; then
gcc_cv_ld="$LD"
fi
-if test "x$gcc_cv_ld" = x; then
- # Search the same directories that the installed compiler will
- # search. Else we may find the wrong linker and lose. If we
- # do not find a suitable linker binary, then try the user's
- # path.
- #
- # Also note we have to check MD_EXEC_PREFIX before checking the
- # user's path. Unfortunately, there is no good way to get at the
- # value of MD_EXEC_PREFIX here. So we do a brute force search
- # through all the known MD_EXEC_PREFIX values. Ugh. This needs
- # to be fixed as part of the make/configure rewrite too.
-
- if test "x$exec_prefix" = xNONE; then
- if test "x$prefix" = xNONE; then
- test_prefix=/usr/local
- else
- test_prefix=$prefix
- fi
- else
- test_prefix=$exec_prefix
- fi
-
- # If the loop below does not find an linker, then use whatever
- # one we can find in the users's path.
- # user's path.
- if test "x$program_prefix" != xNONE; then
- gcc_cv_ld=${program_prefix}ld$build_exeext
- else
- gcc_cv_ld=`echo ld | sed "${program_transform_name}"`$build_exeext
- fi
-
- if test x$host = x$build; then
- test_dirs="$test_prefix/libexec/gcc/$target_noncanonical/$gcc_version \
- $test_prefix/libexec/gcc/$target_noncanonical \
- /usr/lib/gcc/$target_noncanonical/$gcc_version \
- /usr/lib/gcc/$target_noncanonical \
- $test_prefix/$target_noncanonical/bin/$target_noncanonical/$gcc_version \
- $test_prefix/$target_noncanonical/bin"
- else
- test_dirs=
- fi
-
- if test x$host = x$target; then
- test_dirs="$test_dirs \
- /usr/libexec \
- /usr/ccs/gcc \
- /usr/ccs/bin \
- /udk/usr/ccs/bin \
- /bsd43/usr/lib/cmplrs/cc \
- /usr/cross64/usr/bin \
- /usr/lib/cmplrs/cc \
- /sysv/usr/lib/cmplrs/cc \
- /svr4/usr/lib/cmplrs/cc \
- /usr/bin"
- fi
-
- for dir in $test_dirs; do
- if test -x $dir/ld$build_exeext; then
- gcc_cv_ld=$dir/ld$build_exeext
- break;
- fi
- done
-fi
+gcc_AC_CHECK_TOOL(gcc_cv_ld, ld, ORIGINAL_LD_FOR_TARGET)
+AC_MSG_CHECKING(what linker to use)
case $in_tree_ld in
yes)
AC_MSG_RESULT("newly built ld")
# Figure out what nm we will be using.
gcc_cv_binutils_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/binutils
-AC_MSG_CHECKING(what nm to use)
in_tree_nm=no
-if test -x nm$build_exeext; then
- gcc_cv_nm=./nm$build_exeext
-elif test -f $gcc_cv_binutils_srcdir/configure.in \
+gcc_cv_nm=
+if test -f $gcc_cv_binutils_srcdir/configure.in \
&& test -f ../binutils/Makefile; then
# Single tree build which includes binutils.
in_tree_nm=yes
+ gcc_cv_nm=../binutils/nm-new$build_exeext
+elif test -x nm$build_exeext; then
gcc_cv_nm=./nm$build_exeext
- rm -f nm$build_exeext
- $LN_S ../binutils/nm-new$build_exeext nm$build_exeext 2>/dev/null
-elif test "x$program_prefix" != xNONE; then
- gcc_cv_nm=${program_prefix}nm$build_exeext
-else
- gcc_cv_nm=`echo nm | sed "${program_transform_name}"`$build_exeext
fi
+
+gcc_AC_CHECK_TOOL(gcc_cv_nm, nm, ORIGINAL_NM_FOR_TARGET)
+AC_MSG_CHECKING(what nm to use)
case $in_tree_nm in
yes) AC_MSG_RESULT("newly built nm") ;;
no) AC_MSG_RESULT($gcc_cv_nm) ;;
&& test -f ../binutils/Makefile; then
# Single tree build which includes binutils.
in_tree_objdump=yes
- gcc_cv_objdump=./objdump$build_exeext
- rm -f objdump$build_exeext
- $LN_S ../binutils/objdump$build_exeext objdump$build_exeext 2>/dev/null
+ gcc_cv_objdump=../binutils/objdump$build_exeext
elif test "x$program_prefix" != xNONE; then
gcc_cv_objdump=${program_prefix}objdump$build_exeext
+elif test x$build != x$host && test x$build != x$target; then
+ gcc_cv_objdump=${target_noncanonical}-objdump$build_exeext
else
gcc_cv_objdump=`echo objdump | \
sed "${program_transform_name}"`$build_exeext
[ .weak foobar],,
[AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])])
+gcc_GAS_CHECK_FEATURE([.nsubspa comdat], gcc_cv_as_nsubspa_comdat,
+ [2,15,91],,
+ [ .SPACE $TEXT$
+ .NSUBSPA $CODE$,COMDAT],,
+[AC_DEFINE(HAVE_GAS_NSUBSPA_COMDAT, 1, [Define if your assembler supports .nsubspa comdat option.])])
+
# .hidden needs to be supported in both the assembler and the linker,
# because GNU LD versions before 2.12.1 have buggy support for STV_HIDDEN.
# This is irritatingly difficult to feature test for; we have to check the
-e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \
-e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \
-e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \
- -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p'`
+ -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \
+ -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p'`
ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
+ ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
+ ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
+ ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'`
if test 0"$ld_date" -lt 20020404; then
if test -n "$ld_date"; then
# If there was date string, but was earlier than 2002-04-04, fail
# If there was no date string nor ld version number, something is wrong
gcc_cv_ld_hidden=no
else
- ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
- ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
- ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'`
test -z "$ld_vers_patch" && ld_vers_patch=0
if test "$ld_vers_major" -lt 2; then
gcc_cv_ld_hidden=no
fi])
libgcc_visibility=no
AC_SUBST(libgcc_visibility)
+GCC_TARGET_TEMPLATE([HAVE_GAS_HIDDEN])
if test $gcc_cv_as_hidden = yes && test $gcc_cv_ld_hidden = yes; then
libgcc_visibility=yes
AC_DEFINE(HAVE_GAS_HIDDEN, 1,
[Define 0/1 if your assembler supports marking sections with SHF_MERGE flag.])
gcc_GAS_CHECK_FEATURE(COMDAT group support, gcc_cv_as_comdat_group,
- [elf,2,15,91], [--fatal-warnings],
+ [elf,2,16,0], [--fatal-warnings],
[.section .text,"axG",@progbits,.foo,comdat])
if test $gcc_cv_as_comdat_group = yes; then
gcc_cv_as_comdat_group_percent=no
else
gcc_GAS_CHECK_FEATURE(COMDAT group support, gcc_cv_as_comdat_group_percent,
- [elf,2,15,91], [--fatal-warnings],
+ [elf,2,16,0], [--fatal-warnings],
[.section .text,"axG",%progbits,.foo,comdat])
fi
-AC_DEFINE_UNQUOTED(HAVE_GAS_COMDAT_GROUP,
+if test $in_tree_ld != yes && test x"$ld_vers" != x; then
+ comdat_group=yes
+ if test 0"$ld_date" -lt 20050308; then
+ if test -n "$ld_date"; then
+ # If there was date string, but was earlier than 2005-03-08, fail
+ comdat_group=no
+ elif test "$ld_vers_major" -lt 2; then
+ comdat_group=no
+ elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 16; then
+ comdat_group=no
+ fi
+ fi
+ if test $comdat_group = no; then
+ gcc_cv_as_comdat_group=no
+ gcc_cv_as_comdat_group_percent=no
+ fi
+fi
+AC_DEFINE_UNQUOTED(HAVE_COMDAT_GROUP,
[`if test $gcc_cv_as_comdat_group = yes || test $gcc_cv_as_comdat_group_percent = yes; then echo 1; else echo 0; fi`],
-[Define 0/1 if your assembler supports COMDAT group.])
+[Define 0/1 if your assembler and linker support COMDAT groups.])
# Thread-local storage - the check is heavily parametrized.
conftest_s=
tls_first_minor=13
tls_as_opt=--fatal-warnings
;;
+ frv*-*-*)
+ conftest_s='
+ .section ".tdata","awT",@progbits
+x: .long 25
+ .text
+ call #gettlsoff(x)'
+ tls_first_major=2
+ tls_first_minor=14
+ ;;
+ hppa*-*-linux*)
+ conftest_s='
+t1: .reg %r20
+t2: .reg %r21
+gp: .reg %r19
+ .section ".tdata","awT",@progbits
+foo: .long 25
+ .text
+ .align 4
+ addil LT%foo-$tls_gdidx$,gp
+ ldo RT%foo-$tls_gdidx$(%r1),%arg0
+ b __tls_get_addr
+ nop
+ addil LT%foo-$tls_ldidx$,gp
+ b __tls_get_addr
+ ldo RT%foo-$tls_ldidx$(%r1),%arg0
+ addil LR%foo-$tls_dtpoff$,%ret0
+ ldo RR%foo-$tls_dtpoff$(%r1),%t1
+ mfctl %cr27,%t1
+ addil LT%foo-$tls_ieoff$,gp
+ ldw RT%foo-$tls_ieoff$(%r1),%t2
+ add %t1,%t2,%t3
+ mfctl %cr27,%t1
+ addil LR%foo-$tls_leoff$,%t1
+ ldo RR%foo-$tls_leoff$(%r1),%t2'
+ tls_first_major=2
+ tls_first_minor=15
+ tls_as_opt=--fatal-warnings
+ ;;
i[34567]86-*-*)
conftest_s='
.section ".tdata","awT",@progbits
tls_first_minor=13
tls_as_opt=--fatal-warnings
;;
+ mips*-*-*)
+ conftest_s='
+ .section .tdata,"awT",@progbits
+x:
+ .word 2
+ .text
+ addiu $4, $28, %tlsgd(x)
+ addiu $4, $28, %tlsldm(x)
+ lui $4, %dtprel_hi(x)
+ addiu $4, $4, %dtprel_lo(x)
+ lw $4, %gottprel(x)($28)
+ lui $4, %tprel_hi(x)
+ addiu $4, $4, %tprel_lo(x)'
+ tls_first_major=2
+ tls_first_minor=16
+ tls_as_opt='-32 --fatal-warnings'
+ ;;
powerpc-*-*)
conftest_s='
.section ".tdata","awT",@progbits
# Target-specific assembler checks.
+AC_MSG_CHECKING(linker -Bstatic/-Bdynamic option)
+gcc_cv_ld_static_dynamic=no
+if test $in_tree_ld = yes ; then
+ if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 10; then
+ gcc_cv_ld_static_dynamic=yes
+ fi
+elif test x$gcc_cv_ld != x; then
+ # Check if linker supports -Bstatic/-Bdynamic option
+ if $gcc_cv_ld --help 2>/dev/null | grep -- -Bstatic > /dev/null \
+ && $gcc_cv_ld --help 2>/dev/null | grep -- -Bdynamic > /dev/null; then
+ gcc_cv_ld_static_dynamic=yes
+ fi
+fi
+if test x"$gcc_cv_ld_static_dynamic" = xyes; then
+ AC_DEFINE(HAVE_LD_STATIC_DYNAMIC, 1,
+[Define if your linker supports -Bstatic/-Bdynamic option.])
+fi
+AC_MSG_RESULT($gcc_cv_ld_static_dynamic)
+
if test x"$demangler_in_ld" = xyes; then
AC_MSG_CHECKING(linker --demangle support)
gcc_cv_ld_demangle=no
lda $29, 0($29) !gpdisp!3],,
[AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1,
[Define if your assembler supports explicit relocations.])])
+ gcc_GAS_CHECK_FEATURE([jsrdirect relocation support],
+ gcc_cv_as_alpha_jsrdirect_relocs, [2,16,90],,
+[ .set nomacro
+ .text
+ ldq $27, a($29) !literal!1
+ jsr $26, ($27), a !lituse_jsrdirect!1],,
+ [AC_DEFINE(HAVE_AS_JSRDIRECT_RELOCS, 1,
+ [Define if your assembler supports the lituse_jsrdirect relocation.])])
;;
cris-*-*)
[if test x$gcc_cv_objdump != x \
&& $gcc_cv_objdump -s -j .text conftest.o 2> /dev/null \
| grep ' 82106000 82106000' > /dev/null 2>&1; then
- gcc_cv_as_offsetable_lo10=yes
+ gcc_cv_as_sparc_offsetable_lo10=yes
fi],
[AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
[Define if your assembler supports offsetable %lo().])])
powerpc*-*-*)
case $target in
- *-*-aix*) conftest_s=' .csect .text[[PR]]
+ *-*-aix*) conftest_s=' .machine "pwr5"
+ .csect .text[[PR]]
mfcr 3,128';;
- *-*-darwin*) conftest_s=' .text
+ *-*-darwin*)
+ gcc_GAS_CHECK_FEATURE([.machine directive support],
+ gcc_cv_as_machine_directive,,,
+ [ .machine ppc7400])
+ if test x$gcc_cv_as_machine_directive != xyes; then
+ echo "*** This target requires an assembler supporting \".machine\"" >&2
+ echo you can get it from: ftp://gcc.gnu.org/pub/gcc/infrastructure/cctools-528.5.dmg >&2
+ test x$build = x$target && exit 1
+ fi
+ conftest_s=' .text
mfcr r3,128';;
*) conftest_s=' .machine power4
.text
[$conftest_s],,
[AC_DEFINE(HAVE_AS_MFCRF, 1,
[Define if your assembler supports mfcr field.])])
+
+ case $target in
+ *-*-aix*) conftest_s=' .machine "pwr5"
+ .csect .text[[PR]]
+ popcntb 3,3';;
+ *) conftest_s=' .machine power5
+ .text
+ popcntb 3,3';;
+ esac
+
+ gcc_GAS_CHECK_FEATURE([popcntb support],
+ gcc_cv_as_powerpc_popcntb, [2,17,0],,
+ [$conftest_s],,
+ [AC_DEFINE(HAVE_AS_POPCNTB, 1,
+ [Define if your assembler supports popcntb field.])])
+
+ case $target in
+ *-*-aix*) conftest_s=' .csect .text[[PR]]
+LCF..0:
+ addis 11,30,_GLOBAL_OFFSET_TABLE_-LCF..0@ha';;
+ *-*-darwin*)
+ conftest_s=' .text
+LCF0:
+ addis r11,r30,_GLOBAL_OFFSET_TABLE_-LCF0@ha';;
+ *) conftest_s=' .text
+.LCF0:
+ addis 11,30,_GLOBAL_OFFSET_TABLE_-.LCF0@ha';;
+ esac
+
+ gcc_GAS_CHECK_FEATURE([rel16 relocs],
+ gcc_cv_as_powerpc_rel16, [2,17,0], -a32,
+ [$conftest_s],,
+ [AC_DEFINE(HAVE_AS_REL16, 1,
+ [Define if your assembler supports R_PPC_REL16 relocs.])])
;;
mips*-*-*)
gcc_GAS_CHECK_FEATURE([dwarf2 debug_line support],
gcc_cv_as_dwarf2_debug_line,
[elf,2,11,0],, [$conftest_s],
- [# ??? This fails with non-gnu grep. Maybe use objdump?
- if grep debug_line conftest.o > /dev/null 2>&1; then
+ [if test x$gcc_cv_objdump != x \
+ && $gcc_cv_objdump -h conftest.o 2> /dev/null \
+ | grep debug_line > /dev/null 2>&1; then
gcc_cv_as_dwarf2_debug_line=yes
fi])
gcc_cv_ld_eh_frame_hdr=yes
fi
fi
+GCC_TARGET_TEMPLATE([HAVE_LD_EH_FRAME_HDR])
if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then
AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1,
[Define if your linker supports --eh-frame-hdr option.])
[Define if your linker supports --as-needed and --no-as-needed options.])
fi
-case "$target" in
- powerpc64*-*-linux*)
+case "$target:$tm_file" in
+ powerpc64*-*-linux* | powerpc*-*-linux*rs6000/biarch64.h*)
AC_CACHE_CHECK(linker support for omitting dot symbols,
gcc_cv_ld_no_dot_syms,
[gcc_cv_ld_no_dot_syms=no
;;
esac
+AC_CACHE_CHECK(linker --sysroot support,
+ gcc_cv_ld_sysroot,
+ [gcc_cv_ld_sysroot=no
+ if test $in_tree_ld = yes ; then
+ if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 16 -o "$gcc_cv_gld_major_version" -gt 2 ; then
+ gcc_cv_ld_sysroot=yes
+ fi
+ elif test x$gcc_cv_ld != x; then
+ if $gcc_cv_ld --help 2>/dev/null | grep sysroot > /dev/null; then
+ gcc_cv_ld_sysroot=yes
+ fi
+ fi])
+if test x"$gcc_cv_ld_sysroot" = xyes; then
+ AC_DEFINE(HAVE_LD_SYSROOT, 1,
+ [Define if your linker supports --sysroot.])
+fi
+
if test x$with_sysroot = x && test x$host = x$target \
&& test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" ; then
AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include",
[Define to PREFIX/include if cpp should also search that directory.])
fi
+# Test for stack protector support in target C library.
+case "$target" in
+ *-*-linux*)
+ AC_CACHE_CHECK(__stack_chk_fail in target GNU C library,
+ gcc_cv_libc_provides_ssp,
+ [gcc_cv_libc_provides_ssp=no
+ if test x$host != x$target || test "x$TARGET_SYSTEM_ROOT" != x; then
+ if test "x$with_sysroot" = x; then
+ glibc_header_dir="${exec_prefix}/${target_noncanonical}/sys-include"
+ elif test "x$with_sysroot" = xyes; then
+ glibc_header_dir="${exec_prefix}/${target_noncanonical}/sys-root/usr/include"
+ else
+ glibc_header_dir="${with_sysroot}/usr/include"
+ fi
+ else
+ glibc_header_dir=/usr/include
+ fi
+ # glibc 2.4 and later provides __stack_chk_fail and
+ # either __stack_chk_guard, or TLS access to stack guard canary.
+ if test -f $glibc_header_dir/features.h \
+ && $EGREP '^@<:@ @:>@*#[ ]*define[ ]+__GNU_LIBRARY__[ ]+([1-9][0-9]|[6-9])' \
+ $glibc_header_dir/features.h > /dev/null; then
+ if $EGREP '^@<:@ @:>@*#[ ]*define[ ]+__GLIBC__[ ]+([1-9][0-9]|[3-9])' \
+ $glibc_header_dir/features.h > /dev/null; then
+ gcc_cv_libc_provides_ssp=yes
+ elif $EGREP '^@<:@ @:>@*#[ ]*define[ ]+__GLIBC__[ ]+2' \
+ $glibc_header_dir/features.h > /dev/null \
+ && $EGREP '^@<:@ @:>@*#[ ]*define[ ]+__GLIBC_MINOR__[ ]+([1-9][0-9]|[4-9])' \
+ $glibc_header_dir/features.h > /dev/null; then
+ gcc_cv_libc_provides_ssp=yes
+ fi
+ fi]) ;;
+ *) gcc_cv_libc_provides_ssp=no ;;
+esac
+if test x$gcc_cv_libc_provides_ssp = xyes; then
+ AC_DEFINE(TARGET_LIBC_PROVIDES_SSP, 1,
+ [Define if your target C library provides stack protector support])
+fi
+
# Find out what GC implementation we want, or may, use.
AC_ARG_WITH(gc,
[ --with-gc={page,zone} choose the garbage collection mechanism to use
with the compiler],
[case "$withval" in
- page | zone)
+ page)
GGC=ggc-$withval
;;
+ zone)
+ GGC=ggc-$withval
+ AC_DEFINE(GGC_ZONE, 1, [Define if the zone collector is in use])
+ ;;
*)
AC_MSG_ERROR([$withval is an invalid option to --with-gc])
;;
AC_SUBST(gcc_config_arguments)
AC_SUBST(gcc_gxx_include_dir)
AC_SUBST(libstdcxx_incdir)
-AC_SUBST(gcc_version)
-AC_SUBST(gcc_version_full)
-AC_SUBST(gcc_version_trigger)
AC_SUBST(host_exeext)
AC_SUBST(host_xm_file_list)
AC_SUBST(host_xm_include_list)
AC_SUBST_FILE(language_hooks)
-TL_AC_GNU_MAKE_GCC_LIB_PATH
-
# Echo link setup.
if test x${build} = x${host} ; then
if test x${host} = x${target} ; then
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