DOXYGEN
BUILD_INFO_FALSE
BUILD_INFO_TRUE
+baseline_subdir_switch
baseline_dir
GLIBCXX_LDBL_COMPAT_FALSE
GLIBCXX_LDBL_COMPAT_TRUE
### am handles this now? ORIGINAL_LD_FOR_MULTILIBS=$LD
# For libtool versioning info, format is CURRENT:REVISION:AGE
-libtool_VERSION=6:16:0
+libtool_VERSION=6:17:0
# Find the rest of the source tree framework.
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 11491 "configure"
+#line 11492 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 11597 "configure"
+#line 11598 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
#
# Fake what AC_TRY_COMPILE does. XXX Look at redoing this new-style.
cat > conftest.$ac_ext << EOF
-#line 14955 "configure"
+#line 14956 "configure"
struct S { ~S(); };
void bar();
void foo()
# Fake what AC_TRY_COMPILE does.
cat > conftest.$ac_ext << EOF
-#line 15323 "configure"
+#line 15324 "configure"
int main()
{
typedef bool atomic_type;
rm -f conftest*
cat > conftest.$ac_ext << EOF
-#line 15360 "configure"
+#line 15361 "configure"
int main()
{
typedef short atomic_type;
rm -f conftest*
cat > conftest.$ac_ext << EOF
-#line 15397 "configure"
+#line 15398 "configure"
int main()
{
// NB: _Atomic_word not necessarily int.
rm -f conftest*
cat > conftest.$ac_ext << EOF
-#line 15435 "configure"
+#line 15436 "configure"
int main()
{
typedef long long atomic_type;
# unnecessary for this test.
cat > conftest.$ac_ext << EOF
-#line 15511 "configure"
+#line 15512 "configure"
int main()
{
_Decimal32 d1;
if test "${enable_clocale+set}" = set; then :
enableval=$enable_clocale;
case "$enableval" in
- generic|gnu|ieee_1003.1-2001|yes|no|auto) ;;
+ generic|gnu|ieee_1003.1-2001|newlib|yes|no|auto) ;;
*) as_fn_error "Unknown argument to enable/disable clocale" "$LINENO" 5 ;;
esac
fi
- # Either a known packaage, or "auto"
+ # Either a known package, or "auto"
if test $enable_clocale = no || test $enable_clocale = yes; then
enable_clocale=auto
fi
enable_clocale_flag=darwin
;;
*)
- enable_clocale_flag=generic
+ if test x"$with_newlib" = x"yes"; then
+ enable_clocale_flag=newlib
+ else
+ enable_clocale_flag=generic
+ fi
;;
esac
fi
CTIME_CC=config/locale/generic/time_members.cc
CLOCALE_INTERNAL_H=config/locale/generic/c++locale_internal.h
;;
+ newlib)
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: newlib" >&5
+$as_echo "newlib" >&6; }
+
+ CLOCALE_H=config/locale/generic/c_locale.h
+ CLOCALE_CC=config/locale/generic/c_locale.cc
+ CCODECVT_CC=config/locale/generic/codecvt_members.cc
+ CCOLLATE_CC=config/locale/generic/collate_members.cc
+ CCTYPE_CC=config/locale/newlib/ctype_members.cc
+ CMESSAGES_H=config/locale/generic/messages_members.h
+ CMESSAGES_CC=config/locale/generic/messages_members.cc
+ CMONEY_CC=config/locale/generic/monetary_members.cc
+ CNUMERIC_CC=config/locale/generic/numeric_members.cc
+ CTIME_H=config/locale/generic/time_members.h
+ CTIME_CC=config/locale/generic/time_members.cc
+ CLOCALE_INTERNAL_H=config/locale/generic/c++locale_internal.h
+ ;;
esac
# This is where the testsuite looks for locale catalogs, using the
# Checks for operating systems support that doesn't require linking.
+
+ ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+
+ case "$host" in
+ *-*-solaris2.*)
+ # Solaris 8 FCS only had an overload for double std::abs(double) in
+ # <iso/math_iso.h>. Patches 111721-04 (SPARC) and 112757-01 (x86)
+ # introduced the full set also found from Solaris 9 onwards.
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for float std::abs(float) overload" >&5
+$as_echo_n "checking for float std::abs(float) overload... " >&6; }
+ if test "${glibcxx_cv_abs_float+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <math.h>
+ namespace std {
+ inline float abs(float __x)
+ { return __builtin_fabsf(__x); }
+ }
+
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ glibcxx_cv_abs_float=no
+else
+ glibcxx_cv_abs_float=yes
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+
+
+ # autoheader cannot handle indented templates.
+
+
+
+ if test $glibcxx_cv_abs_float = yes; then
+ $as_echo "#define __CORRECT_ISO_CPP_MATH_H_PROTO1 1" >>confdefs.h
+
+ else
+ $as_echo "#define __CORRECT_ISO_CPP_MATH_H_PROTO2 1" >>confdefs.h
+
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_abs_float" >&5
+$as_echo "$glibcxx_cv_abs_float" >&6; }
+ ;;
+ esac
+
+ ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+
+
+
+ ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+
+ case "$host" in
+ *-*-solaris2.*)
+ # Solaris 8 FCS lacked the overloads for long std::abs(long) and
+ # ldiv_t std::div(long, long) in <iso/stdlib_iso.h>. Patches 109607-02
+ # (SPARC) and 109608-02 (x86) introduced them.
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for long std::abs(long) overload" >&5
+$as_echo_n "checking for long std::abs(long) overload... " >&6; }
+ if test "${glibcxx_cv_abs_long+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <stdlib.h>
+ namespace std {
+ inline long
+ abs(long __i) { return labs(__i); }
+ }
+
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ glibcxx_cv_abs_long=no
+else
+ glibcxx_cv_abs_long=yes
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+
+
+ # autoheader cannot handle indented templates.
+
+ if test $glibcxx_cv_abs_long = yes; then
+ $as_echo "#define __CORRECT_ISO_CPP_STDLIB_H_PROTO 1" >>confdefs.h
+
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_abs_long" >&5
+$as_echo "$glibcxx_cv_abs_long" >&6; }
+ ;;
+ esac
+
+ ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+
+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for EOWNERDEAD" >&5
$as_echo_n "checking for EOWNERDEAD... " >&6; }
if test "${glibcxx_cv_system_error1+set}" = set; then :
$as_echo "#define HAVE_ETXTBSY 1" >>confdefs.h
fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ECHILD" >&5
+$as_echo_n "checking for ECHILD... " >&6; }
+if test "${glibcxx_cv_system_error15+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <errno.h>
+int
+main ()
+{
+int i = ECHILD;
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ glibcxx_cv_system_error15=yes
+else
+ glibcxx_cv_system_error15=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_system_error15" >&5
+$as_echo "$glibcxx_cv_system_error15" >&6; }
+if test x"$glibcxx_cv_system_error15" = x"yes"; then
+
+$as_echo "#define HAVE_ECHILD 1" >>confdefs.h
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ENOSPC" >&5
+$as_echo_n "checking for ENOSPC... " >&6; }
+if test "${glibcxx_cv_system_error16+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <errno.h>
+int
+main ()
+{
+int i = ENOSPC;
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ glibcxx_cv_system_error16=yes
+else
+ glibcxx_cv_system_error16=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_system_error16" >&5
+$as_echo "$glibcxx_cv_system_error16" >&6; }
+if test x"$glibcxx_cv_system_error16" = x"yes"; then
+
+$as_echo "#define HAVE_ENOSPC 1" >>confdefs.h
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for EPERM" >&5
+$as_echo_n "checking for EPERM... " >&6; }
+if test "${glibcxx_cv_system_error17+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <errno.h>
+int
+main ()
+{
+int i = EPERM;
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ glibcxx_cv_system_error17=yes
+else
+ glibcxx_cv_system_error17=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_system_error17" >&5
+$as_echo "$glibcxx_cv_system_error17" >&6; }
+if test x"$glibcxx_cv_system_error17" = x"yes"; then
+
+$as_echo "#define HAVE_EPERM 1" >>confdefs.h
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ETIMEDOUT" >&5
+$as_echo_n "checking for ETIMEDOUT... " >&6; }
+if test "${glibcxx_cv_system_error18+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <errno.h>
+int
+main ()
+{
+int i = ETIMEDOUT;
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ glibcxx_cv_system_error18=yes
+else
+ glibcxx_cv_system_error18=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_system_error18" >&5
+$as_echo "$glibcxx_cv_system_error18" >&6; }
+if test x"$glibcxx_cv_system_error18" = x"yes"; then
+
+$as_echo "#define HAVE_ETIMEDOUT 1" >>confdefs.h
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for EWOULDBLOCK" >&5
+$as_echo_n "checking for EWOULDBLOCK... " >&6; }
+if test "${glibcxx_cv_system_error19+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <errno.h>
+int
+main ()
+{
+int i = EWOULDBLOCK;
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ glibcxx_cv_system_error19=yes
+else
+ glibcxx_cv_system_error19=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_system_error19" >&5
+$as_echo "$glibcxx_cv_system_error19" >&6; }
+if test x"$glibcxx_cv_system_error19" = x"yes"; then
+
+$as_echo "#define HAVE_EWOULDBLOCK 1" >>confdefs.h
+
+fi
ac_save_CXXFLAGS="$CXXFLAGS"
CXXFLAGS="$CXXFLAGS -fno-exceptions -I${toplevel_srcdir}/gcc"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking check whether it can be safely assumed that mutex_timedlock is available" >&5
+$as_echo_n "checking check whether it can be safely assumed that mutex_timedlock is available... " >&6; }
+
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <unistd.h>
+int
+main ()
+{
+
+ #if !defined(_POSIX_TIMEOUTS) || _POSIX_TIMEOUTS < 0
+ #error
+ #endif
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ ac_gthread_use_mutex_timedlock=1
+else
+ ac_gthread_use_mutex_timedlock=0
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
+cat >>confdefs.h <<_ACEOF
+#define _GTHREAD_USE_MUTEX_TIMEDLOCK $ac_gthread_use_mutex_timedlock
+_ACEOF
+
+
+ if test $ac_gthread_use_mutex_timedlock = 1 ; then res_mutex_timedlock=yes ;
+ else res_mutex_timedlock=no ; fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $res_mutex_timedlock" >&5
+$as_echo "$res_mutex_timedlock" >&6; }
+
target_thread_file=`$CXX -v 2>&1 | sed -n 's/^Thread model: //p'`
case $target_thread_file in
posix)
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
-#include "gthr.h"
+
+ #include "gthr.h"
+ #include <unistd.h>
+
int
main ()
{
+# For hardware_concurrency
+for ac_header in sys/sysinfo.h
+do :
+ ac_fn_c_check_header_mongrel "$LINENO" "sys/sysinfo.h" "ac_cv_header_sys_sysinfo_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_sysinfo_h" = x""yes; then :
+ cat >>confdefs.h <<_ACEOF
+#define HAVE_SYS_SYSINFO_H 1
+_ACEOF
+
+fi
+
+done
+
+
+
+
+ ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+ ac_save_CXXFLAGS="$CXXFLAGS"
+ CXXFLAGS="$CXXFLAGS -fno-exceptions"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for get_nprocs" >&5
+$as_echo_n "checking for get_nprocs... " >&6; }
+ if test "${glibcxx_cv_GET_NPROCS+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+
+ if test x$gcc_no_link = xyes; then
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <sys/sysinfo.h>
+int
+main ()
+{
+int n = get_nprocs();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ glibcxx_cv_GET_NPROCS=yes
+else
+ glibcxx_cv_GET_NPROCS=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+else
+ if test x$gcc_no_link = xyes; then
+ as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
+fi
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <sys/sysinfo.h>
+int
+main ()
+{
+int n = get_nprocs();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_link "$LINENO"; then :
+ glibcxx_cv_GET_NPROCS=yes
+else
+ glibcxx_cv_GET_NPROCS=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+fi
+
+ if test $glibcxx_cv_GET_NPROCS = yes; then
+
+$as_echo "#define _GLIBCXX_USE_GET_NPROCS 1" >>confdefs.h
+
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_GET_NPROCS" >&5
+$as_echo "$glibcxx_cv_GET_NPROCS" >&6; }
+
+ CXXFLAGS="$ac_save_CXXFLAGS"
+ ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+for ac_header in unistd.h
+do :
+ ac_fn_c_check_header_mongrel "$LINENO" "unistd.h" "ac_cv_header_unistd_h" "$ac_includes_default"
+if test "x$ac_cv_header_unistd_h" = x""yes; then :
+ cat >>confdefs.h <<_ACEOF
+#define HAVE_UNISTD_H 1
+_ACEOF
+
+fi
+
+done
+
+
+
+
+ ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+ ac_save_CXXFLAGS="$CXXFLAGS"
+ CXXFLAGS="$CXXFLAGS -fno-exceptions"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _SC_NPROCESSORS_ONLN" >&5
+$as_echo_n "checking for _SC_NPROCESSORS_ONLN... " >&6; }
+ if test "${glibcxx_cv_SC_NPROCESSORS_ONLN+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+
+ if test x$gcc_no_link = xyes; then
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <unistd.h>
+int
+main ()
+{
+int n = sysconf(_SC_NPROCESSORS_ONLN);
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ glibcxx_cv_SC_NPROCESSORS_ONLN=yes
+else
+ glibcxx_cv_SC_NPROCESSORS_ONLN=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+else
+ if test x$gcc_no_link = xyes; then
+ as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
+fi
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <unistd.h>
+int
+main ()
+{
+int n = sysconf(_SC_NPROCESSORS_ONLN);
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_link "$LINENO"; then :
+ glibcxx_cv_SC_NPROCESSORS_ONLN=yes
+else
+ glibcxx_cv_SC_NPROCESSORS_ONLN=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+fi
+
+ if test $glibcxx_cv_SC_NPROCESSORS_ONLN = yes; then
+
+$as_echo "#define _GLIBCXX_USE_SC_NPROCESSORS_ONLN 1" >>confdefs.h
+
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_SC_NPROCESSORS_ONLN" >&5
+$as_echo "$glibcxx_cv_SC_NPROCESSORS_ONLN" >&6; }
+
+ CXXFLAGS="$ac_save_CXXFLAGS"
+ ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+
# Check for available headers.
for ac_header in endian.h execinfo.h float.h fp.h ieeefp.h inttypes.h \
locale.h machine/endian.h machine/param.h nan.h stdint.h stdlib.h string.h \
fi
;;
- *-netware)
- SECTION_FLAGS='-ffunction-sections -fdata-sections'
-
-
- # If we're not using GNU ld, then there's no point in even trying these
- # tests. Check for that first. We should have already tested for gld
- # by now (in libtool), but require it now just to be safe...
- test -z "$SECTION_LDFLAGS" && SECTION_LDFLAGS=''
- test -z "$OPT_LDFLAGS" && OPT_LDFLAGS=''
-
-
-
- # The name set by libtool depends on the version of libtool. Shame on us
- # for depending on an impl detail, but c'est la vie. Older versions used
- # ac_cv_prog_gnu_ld, but now it's lt_cv_prog_gnu_ld, and is copied back on
- # top of with_gnu_ld (which is also set by --with-gnu-ld, so that actually
- # makes sense). We'll test with_gnu_ld everywhere else, so if that isn't
- # set (hence we're using an older libtool), then set it.
- if test x${with_gnu_ld+set} != xset; then
- if test x${ac_cv_prog_gnu_ld+set} != xset; then
- # We got through "ac_require(ac_prog_ld)" and still not set? Huh?
- with_gnu_ld=no
- else
- with_gnu_ld=$ac_cv_prog_gnu_ld
- fi
- fi
-
- # Start by getting the version number. I think the libtool test already
- # does some of this, but throws away the result.
- glibcxx_ld_is_gold=no
- if test x"$with_gnu_ld" = x"yes"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld version" >&5
-$as_echo_n "checking for ld version... " >&6; }
-
- if $LD --version 2>/dev/null | grep 'GNU gold' >/dev/null 2>&1; then
- glibcxx_ld_is_gold=yes
- fi
- ldver=`$LD --version 2>/dev/null |
- sed -e 's/GNU gold /GNU ld /;s/GNU ld version /GNU ld /;s/GNU ld ([^)]*) /GNU ld /;s/GNU ld \([0-9.][0-9.]*\).*/\1/; q'`
-
- glibcxx_gnu_ld_version=`echo $ldver | \
- $AWK -F. '{ if (NF<3) $3=0; print ($1*100+$2)*100+$3 }'`
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_gnu_ld_version" >&5
-$as_echo "$glibcxx_gnu_ld_version" >&6; }
- fi
-
- # Set --gc-sections.
- glibcxx_have_gc_sections=no
- if test "$glibcxx_ld_is_gold" = "yes"; then
- if $LD --help 2>/dev/null | grep gc-sections >/dev/null 2>&1; then
- glibcxx_have_gc_sections=yes
- fi
- else
- glibcxx_gcsections_min_ld=21602
- if test x"$with_gnu_ld" = x"yes" &&
- test $glibcxx_gnu_ld_version -gt $glibcxx_gcsections_min_ld ; then
- glibcxx_have_gc_sections=yes
- fi
- fi
- if test "$glibcxx_have_gc_sections" = "yes"; then
- # Sufficiently young GNU ld it is! Joy and bunny rabbits!
- # NB: This flag only works reliably after 2.16.1. Configure tests
- # for this are difficult, so hard wire a value that should work.
-
- ac_test_CFLAGS="${CFLAGS+set}"
- ac_save_CFLAGS="$CFLAGS"
- CFLAGS='-Wl,--gc-sections'
-
- # Check for -Wl,--gc-sections
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld that supports -Wl,--gc-sections" >&5
-$as_echo_n "checking for ld that supports -Wl,--gc-sections... " >&6; }
- if test x$gcc_no_link = xyes; then
- as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
-fi
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
- int one(void) { return 1; }
- int two(void) { return 2; }
-
-int
-main ()
-{
- two();
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
- ac_gcsections=yes
-else
- ac_gcsections=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext conftest.$ac_ext
- if test "$ac_gcsections" = "yes"; then
- rm -f conftest.c
- touch conftest.c
- if $CC -c conftest.c; then
- if $LD --gc-sections -o conftest conftest.o 2>&1 | \
- grep "Warning: gc-sections option ignored" > /dev/null; then
- ac_gcsections=no
- fi
- fi
- rm -f conftest.c conftest.o conftest
- fi
- if test "$ac_gcsections" = "yes"; then
- SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS"
- fi
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_gcsections" >&5
-$as_echo "$ac_gcsections" >&6; }
-
- if test "$ac_test_CFLAGS" = set; then
- CFLAGS="$ac_save_CFLAGS"
- else
- # this is the suspicious part
- CFLAGS=''
- fi
- fi
-
- # Set -z,relro.
- # Note this is only for shared objects.
- ac_ld_relro=no
- if test x"$with_gnu_ld" = x"yes"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld that supports -Wl,-z,relro" >&5
-$as_echo_n "checking for ld that supports -Wl,-z,relro... " >&6; }
- cxx_z_relo=`$LD -v --help 2>/dev/null | grep "z relro"`
- if test -n "$cxx_z_relo"; then
- OPT_LDFLAGS="-Wl,-z,relro"
- ac_ld_relro=yes
- fi
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ld_relro" >&5
-$as_echo "$ac_ld_relro" >&6; }
- fi
-
- # Set linker optimization flags.
- if test x"$with_gnu_ld" = x"yes"; then
- OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS"
- fi
-
-
-
-
- $as_echo "#define HAVE_HYPOT 1" >>confdefs.h
-
- $as_echo "#define HAVE_ISINF 1" >>confdefs.h
-
- $as_echo "#define HAVE_ISNAN 1" >>confdefs.h
-
- ;;
*-qnx6.1* | *-qnx6.2*)
SECTION_FLAGS='-ffunction-sections -fdata-sections'
# Export file names for ABI checking.
baseline_dir="$glibcxx_srcdir/config/abi/post/${abi_baseline_pair}"
+ baseline_subdir_switch="$abi_baseline_subdir_switch"
+
# Define documentation rules conditionally.
fi
# Stuff in the actual top level. Currently only used by libsupc++ to
- # get unwind* headers from the gcc dir.
- #TOPLEVEL_INCLUDES='-I$(toplevel_srcdir)/gcc -I$(toplevel_srcdir)/include'
- TOPLEVEL_INCLUDES='-I$(toplevel_srcdir)/gcc'
+ # get unwind* headers from the libgcc dir.
+ #TOPLEVEL_INCLUDES='-I$(toplevel_srcdir)/libgcc -I$(toplevel_srcdir)/include'
+ TOPLEVEL_INCLUDES='-I$(toplevel_srcdir)/libgcc'
# Now, export this to all the little Makefiles....
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