am__EXEEXT_TRUE
LTLIBOBJS
LIBOBJS
+get_gcc_base_ver
WARN_FLAGS
OPTIMIZE_CXXFLAGS
TOPLEVEL_INCLUDES
glibcxx_toolexecdir
gxx_include_dir
glibcxx_prefixdir
+EXTRA_CFLAGS
CPU_OPT_BITS_RANDOM
CPU_OPT_EXT_RANDOM
ERROR_CONSTANTS_SRCDIR
ATOMIC_FLAGS
ATOMIC_WORD_SRCDIR
ATOMICITY_SRCDIR
+INCLUDE_DIR_NOTPARALLEL_FALSE
+INCLUDE_DIR_NOTPARALLEL_TRUE
BUILD_PDF_FALSE
BUILD_PDF_TRUE
PDFLATEX
ENABLE_FILESYSTEM_TS_TRUE
baseline_subdir_switch
baseline_dir
-HWCAP_FLAGS
+HWCAP_CFLAGS
GLIBCXX_LDBL_COMPAT_FALSE
GLIBCXX_LDBL_COMPAT_TRUE
+LONG_DOUBLE_COMPAT_FLAGS
ENABLE_CXX11_ABI_FALSE
ENABLE_CXX11_ABI_TRUE
glibcxx_cxx98_abi
BASIC_FILE_H
CSTDIO_H
SECTION_FLAGS
-WERROR
+ENABLE_FLOAT128_FALSE
+ENABLE_FLOAT128_TRUE
thread_header
glibcxx_PCHFLAGS
GLIBCXX_BUILD_PCH_FALSE
with_default_libstdcxx_abi
enable_libstdcxx_threads
enable_libstdcxx_filesystem_ts
+enable_cet
with_gxx_include_dir
enable_version_specific_runtime_libs
+with_gcc_major_version_only
'
ac_precious_vars='build_alias
host_alias
--enable-concept-checks use Boost-derived template checks [default=no]
--enable-libstdcxx-debug-flags=FLAGS
pass compiler FLAGS when building debug library
- [default="-gdwarf-4 -g3 -O0"]
+ [default="-gdwarf-4 -g3 -O0 -D_GLIBCXX_ASSERTIONS"]
--enable-libstdcxx-debug
build extra debug library [default=no]
--enable-cxx-flags=FLAGS
memory [default=no]
--enable-extern-template
enable extern template [default=yes]
- --enable-werror turns on -Werror [default=yes]
+ --enable-werror turns on -Werror [default=no]
--enable-vtable-verify enable vtable verify [default=no]
--enable-libstdcxx-time[=KIND]
use KIND for check type [default=auto]
enable C++11 threads support [default=auto]
--enable-libstdcxx-filesystem-ts
turns on ISO/IEC TS 18822 support [default=auto]
+ --enable-cet enable Intel CET in target libraries [default=no]
--enable-version-specific-runtime-libs
Specify that runtime libraries should be installed
in a compiler-specific directory
set the std::string ABI to use by default
--with-gxx-include-dir=DIR
installation directory for include files
+ --with-gcc-major-version-only
+ use only GCC major number in filesystem paths
Some influential environment variables:
CC C compiler command
# expandable list at autoconf time; the second provides an expandable list
# (i.e., shell variable) at configure time.
- SUBDIRS='include libsupc++ src src/c++98 src/c++11 src/filesystem doc po testsuite python'
+ SUBDIRS='include libsupc++ src src/c++98 src/c++11 src/c++17 src/filesystem doc po testsuite python'
# These need to be absolute paths, yet at the same time need to
# canonicalize only relative paths, because then amd will not unmount
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 11599 "configure"
+#line 11610 "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 11705 "configure"
+#line 11716 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
prelink_cmds_CXX='tpldir=Template.dir~
rm -rf $tpldir~
$CC --prelink_objects --instantiation_dir $tpldir $objs $libobjs $compile_deplibs~
- compile_command="$compile_command `find $tpldir -name \*.o | $NL2SP`"'
+ compile_command="$compile_command `find $tpldir -name \*.o | sort | $NL2SP`"'
old_archive_cmds_CXX='tpldir=Template.dir~
rm -rf $tpldir~
$CC --prelink_objects --instantiation_dir $tpldir $oldobjs$old_deplibs~
- $AR $AR_FLAGS $oldlib$oldobjs$old_deplibs `find $tpldir -name \*.o | $NL2SP`~
+ $AR $AR_FLAGS $oldlib$oldobjs$old_deplibs `find $tpldir -name \*.o | sort | $NL2SP`~
$RANLIB $oldlib'
archive_cmds_CXX='tpldir=Template.dir~
rm -rf $tpldir~
$CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~
- $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | $NL2SP` $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib'
+ $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib'
archive_expsym_cmds_CXX='tpldir=Template.dir~
rm -rf $tpldir~
$CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~
- $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | $NL2SP` $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib'
+ $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib'
;;
*) # Version 6 and above use weak symbols
archive_cmds_CXX='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib'
# Fake what AC_TRY_COMPILE does.
cat > conftest.$ac_ext << EOF
-#line 15391 "configure"
+#line 15402 "configure"
int main()
{
typedef bool atomic_type;
rm -f conftest*
cat > conftest.$ac_ext << EOF
-#line 15426 "configure"
+#line 15437 "configure"
int main()
{
typedef short atomic_type;
rm -f conftest*
cat > conftest.$ac_ext << EOF
-#line 15461 "configure"
+#line 15472 "configure"
int main()
{
// NB: _Atomic_word not necessarily int.
rm -f conftest*
cat > conftest.$ac_ext << EOF
-#line 15497 "configure"
+#line 15508 "configure"
int main()
{
typedef long long atomic_type;
# unnecessary for this test.
cat > conftest.$ac_ext << EOF
-#line 15578 "configure"
+#line 15589 "configure"
int main()
{
_Decimal32 d1;
# unnecessary for this test.
cat > conftest.$ac_ext << EOF
-#line 15620 "configure"
+#line 15631 "configure"
template<typename T1, typename T2>
struct same
{ typedef T2 type; };
rm -f conftest*
cat > conftest.$ac_ext << EOF
-#line 15654 "configure"
+#line 15665 "configure"
template<typename T1, typename T2>
struct same
{ typedef T2 type; };
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; then
-
-$as_echo "#define _GLIBCXX_USE_FLOAT128 1" >>confdefs.h
-
enable_float128=yes
else
enable_float128=no
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_float128" >&5
$as_echo "$enable_float128" >&6; }
+
rm -f conftest*
ac_ext=c
ac_test_CXXFLAGS="${CXXFLAGS+set}"
ac_save_CXXFLAGS="$CXXFLAGS"
- # Check for maintainer-mode bits.
- if test x"$USE_MAINTAINER_MODE" = xno; then
- WERROR=''
- else
- WERROR='-Werror'
- fi
-
# Check for -ffunction-sections -fdata-sections
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for g++ that supports -ffunction-sections -fdata-sections" >&5
$as_echo_n "checking for g++ that supports -ffunction-sections -fdata-sections... " >&6; }
-
# Enable all the variable C++ runtime options that don't require linking.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for underlying I/O to use" >&5
*) as_fn_error "--enable-libstdcxx-debug-flags needs compiler flags as arguments" "$LINENO" 5 ;;
esac
else
- enable_libstdcxx_debug_flags="-gdwarf-4 -g3 -O0"
+ enable_libstdcxx_debug_flags="-gdwarf-4 -g3 -O0 -D_GLIBCXX_ASSERTIONS"
fi
esac
else
- enable_werror=yes
+ enable_werror=no
fi
ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+ # Use C++11 because a conforming <stdio.h> won't define gets for C++14,
+ # and we don't need a declaration for C++14 anyway.
+ ac_save_CXXFLAGS="$CXXFLAGS"
+ CXXFLAGS="$CXXFLAGS -std=gnu++11"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for gets declaration" >&5
$as_echo_n "checking for gets declaration... " >&6; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_gets" >&5
$as_echo "$glibcxx_cv_gets" >&6; }
+ CXXFLAGS="$ac_save_CXXFLAGS"
ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
case "$host" in
*-*-solaris2.*)
- # Solaris 12 introduced the C++11 <math.h> overloads. A backport to
- # a Solaris 11.3 SRU is likely, maybe even a Solaris 10 patch.
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for C++11 <math.h> overloads" >&5
-$as_echo_n "checking for C++11 <math.h> overloads... " >&6; }
- if test "${glibcxx_cv_math11_overload+set}" = set; then :
+ # Solaris 12 Build 86, Solaris 11.3 SRU 3.6, and Solaris 10 Patch
+ # 11996[67]-02 introduced the C++11 <math.h> floating point overloads.
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for C++11 <math.h> floating point overloads" >&5
+$as_echo_n "checking for C++11 <math.h> floating point overloads... " >&6; }
+ if test "${glibcxx_cv_math11_fp_overload+set}" = set; then :
$as_echo_n "(cached) " >&6
else
_ACEOF
if ac_fn_cxx_try_compile "$LINENO"; then :
- glibcxx_cv_math11_overload=no
+ glibcxx_cv_math11_fp_overload=no
+else
+ glibcxx_cv_math11_fp_overload=yes
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+
+
+ # autoheader cannot handle indented templates.
+
+
+ if test $glibcxx_cv_math11_fp_overload = yes; then
+ $as_echo "#define __CORRECT_ISO_CPP11_MATH_H_PROTO_FP 1" >>confdefs.h
+
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_math11_fp_overload" >&5
+$as_echo "$glibcxx_cv_math11_fp_overload" >&6; }
+
+ # Solaris 12 Build 90, Solaris 11.3 SRU 5.6, and Solaris 10 Patch
+ # 11996[67]-02 introduced the C++11 <math.h> integral type overloads.
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for C++11 <math.h> integral type overloads" >&5
+$as_echo_n "checking for C++11 <math.h> integral type overloads... " >&6; }
+ if test "${glibcxx_cv_math11_int_overload+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <math.h>
+ namespace std {
+ template<typename _Tp>
+ struct __is_integer;
+ template<>
+ struct __is_integer<int>
+ {
+ enum { __value = 1 };
+ };
+ }
+ namespace __gnu_cxx {
+ template<bool, typename>
+ struct __enable_if;
+ template<typename _Tp>
+ struct __enable_if<true, _Tp>
+ { typedef _Tp __type; };
+ }
+ namespace std {
+ template<typename _Tp>
+ constexpr typename __gnu_cxx::__enable_if
+ <__is_integer<_Tp>::__value, double>::__type
+ log2(_Tp __x)
+ { return __builtin_log2(__x); }
+ }
+ int
+ main (void)
+ {
+ int i = 1000;
+ return std::log2(i);
+ }
+
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ glibcxx_cv_math11_int_overload=no
else
- glibcxx_cv_math11_overload=yes
+ glibcxx_cv_math11_int_overload=yes
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
# autoheader cannot handle indented templates.
- if test $glibcxx_cv_math11_overload = yes; then
- $as_echo "#define __CORRECT_ISO_CPP11_MATH_H_PROTO 1" >>confdefs.h
+ if test $glibcxx_cv_math11_int_overload = yes; then
+ $as_echo "#define __CORRECT_ISO_CPP11_MATH_H_PROTO_INT 1" >>confdefs.h
fi
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_math11_overload" >&5
-$as_echo "$glibcxx_cv_math11_overload" >&6; }
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_math11_int_overload" >&5
+$as_echo "$glibcxx_cv_math11_int_overload" >&6; }
;;
*)
# If <math.h> defines the obsolete isinf(double) and isnan(double)
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
-#include <math.h>
+#define _GLIBCXX_INCLUDE_NEXT_C_HEADERS
+ #include <math.h>
#undef isnan
namespace std {
using ::isnan;
lgamma(0.0);
lgammaf(0.0f);
lgammal(0.0l);
+ #ifndef __APPLE__ /* see below */
llrint(0.0);
llrintf(0.0f);
llrintl(0.0l);
llround(0.0);
llroundf(0.0f);
llroundl(0.0l);
+ #endif
log1p(0.0);
log1pf(0.0f);
log1pl(0.0l);
$as_echo "#define _GLIBCXX_USE_C99_MATH_TR1 1" >>confdefs.h
+
+ case "${target_os}" in
+ darwin*)
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ISO C99 rounding functions in <math.h>" >&5
+$as_echo_n "checking for ISO C99 rounding functions in <math.h>... " >&6; }
+ if test "${glibcxx_cv_c99_math_llround+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <math.h>
+int
+main ()
+{
+llrint(0.0);
+ llrintf(0.0f);
+ llrintl(0.0l);
+ llround(0.0);
+ llroundf(0.0f);
+ llroundl(0.0l);
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ glibcxx_cv_c99_math_llround=yes
+else
+ glibcxx_cv_c99_math_llround=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_c99_math_llround" >&5
+$as_echo "$glibcxx_cv_c99_math_llround" >&6; }
+ ;;
+ esac
+ if test x"$glibcxx_cv_c99_math_llround" = x"no"; then
+
+$as_echo "#define _GLIBCXX_NO_C99_ROUNDING_FUNCS 1" >>confdefs.h
+
+ fi
fi
# Check for the existence of <inttypes.h> functions (NB: doesn't make
ac_has_nanosleep=yes
ac_has_sched_yield=yes
;;
- freebsd*|netbsd*|dragonfly*)
+ freebsd*|netbsd*|dragonfly*|rtems*)
ac_has_clock_monotonic=yes
ac_has_clock_realtime=yes
ac_has_nanosleep=yes
locale.h machine/endian.h machine/param.h nan.h stdint.h stdlib.h string.h \
strings.h sys/ipc.h sys/isa_defs.h sys/machine.h sys/param.h \
sys/resource.h sys/sem.h sys/stat.h sys/time.h sys/types.h unistd.h \
-wchar.h wctype.h
+wchar.h wctype.h linux/types.h
do :
as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
done
+for ac_header in linux/random.h
+do :
+ ac_fn_c_check_header_compile "$LINENO" "linux/random.h" "ac_cv_header_linux_random_h" "#ifdef HAVE_LINUX_TYPES_H
+# include <linux/types.h>
+#endif
+
+"
+if test "x$ac_cv_header_linux_random_h" = x""yes; then :
+ cat >>confdefs.h <<_ACEOF
+#define HAVE_LINUX_RANDOM_H 1
+_ACEOF
+
+fi
+
+done
+
+
# Only do link tests if native. Else, hardcode.
if $GLIBCXX_IS_NATIVE; then
fi
- for ac_func in __cxa_thread_atexit_impl
+ for ac_func in __cxa_thread_atexit_impl __cxa_thread_atexit
do :
- ac_fn_c_check_func "$LINENO" "__cxa_thread_atexit_impl" "ac_cv_func___cxa_thread_atexit_impl"
-if test "x$ac_cv_func___cxa_thread_atexit_impl" = x""yes; then :
+ as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+eval as_val=\$$as_ac_var
+ if test "x$as_val" = x""yes; then :
cat >>confdefs.h <<_ACEOF
-#define HAVE___CXA_THREAD_ATEXIT_IMPL 1
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
fi
#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
+fi
+done
+
+ for ac_func in _wfopen
+do :
+ ac_fn_c_check_func "$LINENO" "_wfopen" "ac_cv_func__wfopen"
+if test "x$ac_cv_func__wfopen" = x""yes; then :
+ cat >>confdefs.h <<_ACEOF
+#define HAVE__WFOPEN 1
+_ACEOF
+
fi
done
$as_echo "#define HAVE_TANHF 1" >>confdefs.h
+ $as_echo "#define HAVE_ALIGNED_ALLOC 1" >>confdefs.h
+
$as_echo "#define HAVE_ICONV 1" >>confdefs.h
+ $as_echo "#define HAVE_MEMALIGN 1" >>confdefs.h
+
else
# Base decisions on target environment.
# This is a freestanding configuration; there is nothing to do here.
;;
+ avr*-*-*)
+ $as_echo "#define HAVE_ACOSF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_ASINF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_ATAN2F 1" >>confdefs.h
+
+ $as_echo "#define HAVE_ATANF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_CEILF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_COSF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_COSHF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_EXPF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_FABSF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_FLOORF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_FMODF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_FREXPF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_SQRTF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_HYPOTF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_LDEXPF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_LOG10F 1" >>confdefs.h
+
+ $as_echo "#define HAVE_LOGF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_MODFF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_POWF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_SINF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_SINHF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_TANF 1" >>confdefs.h
+
+ $as_echo "#define HAVE_TANHF 1" >>confdefs.h
+
+ ;;
+
mips*-sde-elf*)
# These definitions are for the SDE C library rather than newlib.
SECTION_FLAGS='-ffunction-sections -fdata-sections'
ac_test_CXXFLAGS="${CXXFLAGS+set}"
ac_save_CXXFLAGS="$CXXFLAGS"
- # Check for maintainer-mode bits.
- if test x"$USE_MAINTAINER_MODE" = xno; then
- WERROR=''
- else
- WERROR='-Werror'
- fi
-
# Check for -ffunction-sections -fdata-sections
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for g++ that supports -ffunction-sections -fdata-sections" >&5
$as_echo_n "checking for g++ that supports -ffunction-sections -fdata-sections... " >&6; }
-
# If we're not using GNU ld, then there's no point in even trying these
# tests. Check for that first. We should have already tested for gld
# by now (in libtool), but require it now just to be safe...
ac_test_CXXFLAGS="${CXXFLAGS+set}"
ac_save_CXXFLAGS="$CXXFLAGS"
- # Check for maintainer-mode bits.
- if test x"$USE_MAINTAINER_MODE" = xno; then
- WERROR=''
- else
- WERROR='-Werror'
- fi
-
# Check for -ffunction-sections -fdata-sections
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for g++ that supports -ffunction-sections -fdata-sections" >&5
$as_echo_n "checking for g++ that supports -ffunction-sections -fdata-sections... " >&6; }
-
# 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...
$as_echo "#define HAVE_ISNANL 1" >>confdefs.h
fi
+ for ac_func in __cxa_thread_atexit
+do :
+ ac_fn_c_check_func "$LINENO" "__cxa_thread_atexit" "ac_cv_func___cxa_thread_atexit"
+if test "x$ac_cv_func___cxa_thread_atexit" = x""yes; then :
+ cat >>confdefs.h <<_ACEOF
+#define HAVE___CXA_THREAD_ATEXIT 1
+_ACEOF
+
+fi
+done
+
+ for ac_func in aligned_alloc posix_memalign memalign _aligned_malloc
+do :
+ as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+eval as_val=\$$as_ac_var
+ if test "x$as_val" = x""yes; then :
+ cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+done
+
;;
+
+ *-fuchsia*)
+ SECTION_FLAGS='-ffunction-sections -fdata-sections'
+
+ ;;
+
*-hpux*)
SECTION_FLAGS='-ffunction-sections -fdata-sections'
;;
esac
;;
- *-linux* | *-uclinux* | *-gnu* | *-kfreebsd*-gnu | *-cygwin*)
+ *-linux* | *-uclinux* | *-gnu* | *-kfreebsd*-gnu | *-cygwin* | *-solaris*)
# All these tests are for C++; save the language and the compiler flags.
# The CXXFLAGS thing is suspicious, but based on similar bits previously
ac_test_CXXFLAGS="${CXXFLAGS+set}"
ac_save_CXXFLAGS="$CXXFLAGS"
- # Check for maintainer-mode bits.
- if test x"$USE_MAINTAINER_MODE" = xno; then
- WERROR=''
- else
- WERROR='-Werror'
- fi
-
# Check for -ffunction-sections -fdata-sections
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for g++ that supports -ffunction-sections -fdata-sections" >&5
$as_echo_n "checking for g++ that supports -ffunction-sections -fdata-sections... " >&6; }
-
# If we're not using GNU ld, then there's no point in even trying these
# tests. Check for that first. We should have already tested for gld
# by now (in libtool), but require it now just to be safe...
fi
done
+ for ac_func in aligned_alloc posix_memalign memalign _aligned_malloc
+do :
+ as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+eval as_val=\$$as_ac_var
+ if test "x$as_val" = x""yes; then :
+ cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+done
+
CXXFLAGS="$ac_save_CXXFLAGS"
+ for ac_func in aligned_alloc posix_memalign memalign _aligned_malloc
+do :
+ as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+eval as_val=\$$as_ac_var
+ if test "x$as_val" = x""yes; then :
+ cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+done
+
+ for ac_func in _wfopen
+do :
+ ac_fn_c_check_func "$LINENO" "_wfopen" "ac_cv_func__wfopen"
+if test "x$ac_cv_func__wfopen" = x""yes; then :
+ cat >>confdefs.h <<_ACEOF
+#define HAVE__WFOPEN 1
+_ACEOF
+
+fi
+done
+
;;
- *-netbsd*)
+ *-netbsd* | *-openbsd*)
SECTION_FLAGS='-ffunction-sections -fdata-sections'
$as_echo "#define HAVE_ISNANL 1" >>confdefs.h
fi
+ for ac_func in aligned_alloc posix_memalign memalign _aligned_malloc
+do :
+ as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+eval as_val=\$$as_ac_var
+ if test "x$as_val" = x""yes; then :
+ cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+done
+
;;
*-qnx6.1* | *-qnx6.2*)
SECTION_FLAGS='-ffunction-sections -fdata-sections'
ac_test_CXXFLAGS="${CXXFLAGS+set}"
ac_save_CXXFLAGS="$CXXFLAGS"
- # Check for maintainer-mode bits.
- if test x"$USE_MAINTAINER_MODE" = xno; then
- WERROR=''
- else
- WERROR='-Werror'
- fi
-
# Check for -ffunction-sections -fdata-sections
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for g++ that supports -ffunction-sections -fdata-sections" >&5
$as_echo_n "checking for g++ that supports -ffunction-sections -fdata-sections... " >&6; }
-
# If we're not using GNU ld, then there's no point in even trying these
# tests. Check for that first. We should have already tested for gld
# by now (in libtool), but require it now just to be safe...
CXXFLAGS="$ac_save_CXXFLAGS"
- ;;
- *-solaris*)
-
- # 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_MBSTATE_T 1" >>confdefs.h
-
- $as_echo "#define HAVE_FINITE 1" >>confdefs.h
-
- $as_echo "#define HAVE_FPCLASS 1" >>confdefs.h
-
- # All of the dependencies for wide character support are here, so
- # turn it on.
- $as_echo "#define _GLIBCXX_USE_WCHAR_T 1" >>confdefs.h
-
- # These two C99 functions are present only in Solaris >= 10
- $as_echo "#define HAVE_STRTOF 1" >>confdefs.h
-
- $as_echo "#define HAVE_STRTOLD 1" >>confdefs.h
-
- $as_echo "#define HAVE_ISNAN 1" >>confdefs.h
-
- $as_echo "#define HAVE_ISNANF 1" >>confdefs.h
-
- $as_echo "#define HAVE_MODFF 1" >>confdefs.h
-
- $as_echo "#define HAVE_HYPOT 1" >>confdefs.h
-
;;
*-tpf)
SECTION_FLAGS='-ffunction-sections -fdata-sections'
fi
# For libtool versioning info, format is CURRENT:REVISION:AGE
-libtool_VERSION=6:23:0
+libtool_VERSION=6:26:0
# Everything parsed; figure out what files and settings to use.
case $enable_symvers in
;;
gnu-versioned-namespace)
- libtool_VERSION=7:0:0
+ libtool_VERSION=8:0:0
SYMVER_FILE=config/abi/pre/gnu-versioned-namespace.ver
$as_echo "#define _GLIBCXX_SYMVER_GNU_NAMESPACE 1" >>confdefs.h
ac_ldbl_compat=no
+LONG_DOUBLE_COMPAT_FLAGS="-mlong-double-64"
case "$target" in
powerpc*-*-linux* | \
sparc*-*-linux* | \
$as_echo "#define _GLIBCXX_LONG_DOUBLE_COMPAT 1" >>confdefs.h
port_specific_symbol_files="\$(top_srcdir)/config/os/gnu-linux/ldbl-extra.ver"
+ case "$target" in
+ powerpc*-*-linux*)
+ LONG_DOUBLE_COMPAT_FLAGS="$LONG_DOUBLE_COMPAT_FLAGS -mno-gnu-attribute" ;;
+ esac
fi
esac
+
# Check if assembler supports disabling hardware capability support.
- test -z "$HWCAP_FLAGS" && HWCAP_FLAGS=''
+ test -z "$HWCAP_CFLAGS" && HWCAP_CFLAGS=''
# Restrict the test to Solaris, other assemblers (e.g. AIX as) have -nH
# with a different meaning.
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
if test "$ac_hwcap_flags" = "yes"; then
- HWCAP_FLAGS="-Wa,-nH $HWCAP_FLAGS"
+ HWCAP_CFLAGS="-Wa,-nH $HWCAP_CFLAGS"
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_hwcap_flags" >&5
$as_echo "$ac_hwcap_flags" >&6; }
gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu)
enable_libstdcxx_filesystem_ts=yes
;;
+ rtems*)
+ enable_libstdcxx_filesystem_ts=yes
+ ;;
solaris*)
enable_libstdcxx_filesystem_ts=yes
;;
$as_echo "$enable_libstdcxx_filesystem_ts" >&6; }
+ if test $enable_libstdcxx_filesystem_ts = yes; then
- ac_ext=cpp
+ ac_ext=cpp
ac_cpp='$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 struct dirent.d_type" >&5
+ ac_save_CXXFLAGS="$CXXFLAGS"
+ CXXFLAGS="$CXXFLAGS -fno-exceptions"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for struct dirent.d_type" >&5
$as_echo_n "checking for struct dirent.d_type... " >&6; }
- if test "${glibcxx_cv_dirent_d_type+set}" = set; then :
+ if test "${glibcxx_cv_dirent_d_type+set}" = set; then :
$as_echo_n "(cached) " >&6
else
- if test x$gcc_no_link = xyes; then
+ if test x$gcc_no_link = xyes; then
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <dirent.h>
main ()
{
- struct dirent d;
- if (sizeof d.d_type) return 0;
+ struct dirent d;
+ if (sizeof d.d_type) return 0;
;
return 0;
main ()
{
- struct dirent d;
- if (sizeof d.d_type) return 0;
+ struct dirent d;
+ if (sizeof d.d_type) return 0;
;
return 0;
fi
- if test $glibcxx_cv_dirent_d_type = yes; then
+ if test $glibcxx_cv_dirent_d_type = yes; then
$as_echo "#define HAVE_STRUCT_DIRENT_D_TYPE 1" >>confdefs.h
- fi
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_dirent_d_type" >&5
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_dirent_d_type" >&5
$as_echo "$glibcxx_cv_dirent_d_type" >&6; }
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for realpath" >&5
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for realpath" >&5
$as_echo_n "checking for realpath... " >&6; }
- if test "${glibcxx_cv_realpath+set}" = set; then :
+ if test "${glibcxx_cv_realpath+set}" = set; then :
$as_echo_n "(cached) " >&6
else
- if test x$gcc_no_link = xyes; then
+ if test x$gcc_no_link = xyes; then
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
- #include <stdlib.h>
- #include <unistd.h>
+ #include <limits.h>
+ #include <stdlib.h>
+ #include <unistd.h>
int
main ()
{
- #if _XOPEN_VERSION < 500
- #error
- #elif _XOPEN_VERSION >= 700 || defined(PATH_MAX)
- char *tmp = realpath((const char*)NULL, (char*)NULL);
- #else
- #error
- #endif
+ #if _XOPEN_VERSION < 500
+ #error
+ #elif _XOPEN_VERSION >= 700 || defined(PATH_MAX)
+ char *tmp = realpath((const char*)NULL, (char*)NULL);
+ #else
+ #error
+ #endif
;
return 0;
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
- #include <stdlib.h>
- #include <unistd.h>
+ #include <limits.h>
+ #include <stdlib.h>
+ #include <unistd.h>
int
main ()
{
- #if _XOPEN_VERSION < 500
- #error
- #elif _XOPEN_VERSION >= 700 || defined(PATH_MAX)
- char *tmp = realpath((const char*)NULL, (char*)NULL);
- #else
- #error
- #endif
+ #if _XOPEN_VERSION < 500
+ #error
+ #elif _XOPEN_VERSION >= 700 || defined(PATH_MAX)
+ char *tmp = realpath((const char*)NULL, (char*)NULL);
+ #else
+ #error
+ #endif
;
return 0;
fi
- if test $glibcxx_cv_realpath = yes; then
+ if test $glibcxx_cv_realpath = yes; then
$as_echo "#define _GLIBCXX_USE_REALPATH 1" >>confdefs.h
- fi
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_realpath" >&5
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_realpath" >&5
$as_echo "$glibcxx_cv_realpath" >&6; }
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for utimensat" >&5
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for utimensat" >&5
$as_echo_n "checking for utimensat... " >&6; }
- if test "${glibcxx_cv_utimensat+set}" = set; then :
+ if test "${glibcxx_cv_utimensat+set}" = set; then :
$as_echo_n "(cached) " >&6
else
- if test x$gcc_no_link = xyes; then
+ if test x$gcc_no_link = xyes; then
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
- #include <fcntl.h>
- #include <sys/stat.h>
+ #include <fcntl.h>
+ #include <sys/stat.h>
int
main ()
{
- struct timespec ts[2] = { { 0, UTIME_OMIT }, { 1, 1 } };
- int i = utimensat(AT_FDCWD, "path", ts, 0);
+ struct timespec ts[2] = { { 0, UTIME_OMIT }, { 1, 1 } };
+ int i = utimensat(AT_FDCWD, "path", ts, 0);
;
return 0;
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
- #include <fcntl.h>
- #include <sys/stat.h>
+ #include <fcntl.h>
+ #include <sys/stat.h>
int
main ()
{
- struct timespec ts[2] = { { 0, UTIME_OMIT }, { 1, 1 } };
- int i = utimensat(AT_FDCWD, "path", ts, 0);
+ struct timespec ts[2] = { { 0, UTIME_OMIT }, { 1, 1 } };
+ int i = utimensat(AT_FDCWD, "path", ts, 0);
;
return 0;
fi
- if test $glibcxx_cv_utimensat = yes; then
+ if test $glibcxx_cv_utimensat = yes; then
$as_echo "#define _GLIBCXX_USE_UTIMENSAT 1" >>confdefs.h
- fi
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_utimensat" >&5
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_utimensat" >&5
$as_echo "$glibcxx_cv_utimensat" >&6; }
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for struct stat.st_mtim.tv_nsec" >&5
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for struct stat.st_mtim.tv_nsec" >&5
$as_echo_n "checking for struct stat.st_mtim.tv_nsec... " >&6; }
- if test "${glibcxx_cv_st_mtim+set}" = set; then :
+ if test "${glibcxx_cv_st_mtim+set}" = set; then :
$as_echo_n "(cached) " >&6
else
- if test x$gcc_no_link = xyes; then
+ if test x$gcc_no_link = xyes; then
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <sys/stat.h>
main ()
{
- struct stat st;
- return st.st_mtim.tv_nsec;
+ struct stat st;
+ return st.st_mtim.tv_nsec;
;
return 0;
main ()
{
- struct stat st;
- return st.st_mtim.tv_nsec;
+ struct stat st;
+ return st.st_mtim.tv_nsec;
;
return 0;
fi
- if test $glibcxx_cv_st_mtim = yes; then
+ if test $glibcxx_cv_st_mtim = yes; then
$as_echo "#define _GLIBCXX_USE_ST_MTIM 1" >>confdefs.h
- fi
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_st_mtim" >&5
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_st_mtim" >&5
$as_echo "$glibcxx_cv_st_mtim" >&6; }
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for fchmod" >&5
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for fchmod" >&5
$as_echo_n "checking for fchmod... " >&6; }
- if test "${glibcxx_cv_fchmod+set}" = set; then :
+ if test "${glibcxx_cv_fchmod+set}" = set; then :
$as_echo_n "(cached) " >&6
else
- if test x$gcc_no_link = xyes; then
+ if test x$gcc_no_link = xyes; then
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <sys/stat.h>
fi
- if test $glibcxx_cv_fchmod = yes; then
+ if test $glibcxx_cv_fchmod = yes; then
$as_echo "#define _GLIBCXX_USE_FCHMOD 1" >>confdefs.h
- fi
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_fchmod" >&5
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_fchmod" >&5
$as_echo "$glibcxx_cv_fchmod" >&6; }
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for fchmodat" >&5
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for fchmodat" >&5
$as_echo_n "checking for fchmodat... " >&6; }
- if test "${glibcxx_cv_fchmodat+set}" = set; then :
+ if test "${glibcxx_cv_fchmodat+set}" = set; then :
$as_echo_n "(cached) " >&6
else
- if test x$gcc_no_link = xyes; then
+ if test x$gcc_no_link = xyes; then
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
- #include <fcntl.h>
- #include <sys/stat.h>
+ #include <fcntl.h>
+ #include <sys/stat.h>
int
main ()
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
- #include <fcntl.h>
- #include <sys/stat.h>
+ #include <fcntl.h>
+ #include <sys/stat.h>
int
main ()
fi
- if test $glibcxx_cv_fchmodat = yes; then
+ if test $glibcxx_cv_fchmodat = yes; then
$as_echo "#define _GLIBCXX_USE_FCHMODAT 1" >>confdefs.h
- fi
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_fchmodat" >&5
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_fchmodat" >&5
$as_echo "$glibcxx_cv_fchmodat" >&6; }
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sendfile that can copy files" >&5
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sendfile that can copy files" >&5
$as_echo_n "checking for sendfile that can copy files... " >&6; }
- if test "${glibcxx_cv_sendfile+set}" = set; then :
+ if test "${glibcxx_cv_sendfile+set}" = set; then :
$as_echo_n "(cached) " >&6
else
- case "${target_os}" in
- gnu* | linux* | solaris*)
- if test x$gcc_no_link = xyes; then
+ case "${target_os}" in
+ gnu* | linux* | solaris*)
+ if test x$gcc_no_link = xyes; then
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <sys/sendfile.h>
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
fi
- ;;
- *)
- glibcxx_cv_sendfile=no
- ;;
- esac
+ ;;
+ *)
+ glibcxx_cv_sendfile=no
+ ;;
+ esac
fi
- if test $glibcxx_cv_sendfile = yes; then
+ if test $glibcxx_cv_sendfile = yes; then
$as_echo "#define _GLIBCXX_USE_SENDFILE 1" >>confdefs.h
- fi
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_sendfile" >&5
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_sendfile" >&5
$as_echo "$glibcxx_cv_sendfile" >&6; }
- CXXFLAGS="$ac_save_CXXFLAGS"
- ac_ext=c
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for link" >&5
+$as_echo_n "checking for link... " >&6; }
+ if test "${glibcxx_cv_link+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test x$gcc_no_link = xyes; then
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <unistd.h>
+int
+main ()
+{
+link("", "");
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ glibcxx_cv_link=yes
+else
+ glibcxx_cv_link=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.$ac_ext
+/* end confdefs.h. */
+#include <unistd.h>
+int
+main ()
+{
+link("", "");
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_link "$LINENO"; then :
+ glibcxx_cv_link=yes
+else
+ glibcxx_cv_link=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+fi
+
+ if test $glibcxx_cv_link = yes; then
+
+$as_echo "#define HAVE_LINK 1" >>confdefs.h
+
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_link" >&5
+$as_echo "$glibcxx_cv_link" >&6; }
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for readlink" >&5
+$as_echo_n "checking for readlink... " >&6; }
+ if test "${glibcxx_cv_readlink+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test x$gcc_no_link = xyes; then
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <unistd.h>
+int
+main ()
+{
+char buf[32]; readlink("", buf, sizeof(buf));
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ glibcxx_cv_readlink=yes
+else
+ glibcxx_cv_readlink=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.$ac_ext
+/* end confdefs.h. */
+#include <unistd.h>
+int
+main ()
+{
+char buf[32]; readlink("", buf, sizeof(buf));
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_link "$LINENO"; then :
+ glibcxx_cv_readlink=yes
+else
+ glibcxx_cv_readlink=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+fi
+
+ if test $glibcxx_cv_readlink = yes; then
+
+$as_echo "#define HAVE_READLINK 1" >>confdefs.h
+
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_readlink" >&5
+$as_echo "$glibcxx_cv_readlink" >&6; }
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for symlink" >&5
+$as_echo_n "checking for symlink... " >&6; }
+ if test "${glibcxx_cv_symlink+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test x$gcc_no_link = xyes; then
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <unistd.h>
+int
+main ()
+{
+symlink("", "");
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ glibcxx_cv_symlink=yes
+else
+ glibcxx_cv_symlink=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.$ac_ext
+/* end confdefs.h. */
+#include <unistd.h>
+int
+main ()
+{
+symlink("", "");
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_link "$LINENO"; then :
+ glibcxx_cv_symlink=yes
+else
+ glibcxx_cv_symlink=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+fi
+
+ if test $glibcxx_cv_symlink = yes; then
+
+$as_echo "#define HAVE_SYMLINK 1" >>confdefs.h
+
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_symlink" >&5
+$as_echo "$glibcxx_cv_symlink" >&6; }
+ CXXFLAGS="$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
+ fi
# For Transactional Memory TS
if ac_fn_c_try_compile "$LINENO"; then :
glibcxx_cv_size_t_mangling=t
else
+
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+extern __SIZE_TYPE__ x; extern __int20 unsigned x;
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ glibcxx_cv_size_t_mangling=u6uint20
+else
glibcxx_cv_size_t_mangling=x
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_size_t_mangling" >&5
$as_echo "$glibcxx_cv_size_t_mangling" >&6; }
+# Check which release added std::exception_ptr for the target
+
+ if test $enable_symvers != no; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for first version to support std::exception_ptr" >&5
+$as_echo_n "checking for first version to support std::exception_ptr... " >&6; }
+ case ${target} in
+ aarch64-*-* | alpha-*-* | hppa*-*-* | i?86-*-* | x86_64-*-* | \
+ m68k-*-* | powerpc*-*-* | s390*-*-* | *-*-solaris* )
+ ac_exception_ptr_since_gcc46=yes
+ ;;
+ *)
+ # If the value of this macro changes then we will need to hardcode
+ # yes/no here for additional targets based on the original value.
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ #if __GCC_ATOMIC_INT_LOCK_FREE <= 1
+ # error atomic int not always lock free
+ #endif
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ ac_exception_ptr_since_gcc46=yes
+else
+ ac_exception_ptr_since_gcc46=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ ;;
+ esac
+ if test x"$ac_exception_ptr_since_gcc46" = x"yes" ; then
+
+$as_echo "#define HAVE_EXCEPTION_PTR_SINCE_GCC46 1" >>confdefs.h
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: 4.6.0" >&5
+$as_echo "4.6.0" >&6; }
+ else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: 7.1.0" >&5
+$as_echo "7.1.0" >&6; }
+ fi
+ fi
+
+
# Define documentation rules conditionally.
# See if makeinfo has been installed and is modern enough
fi
+case "$build" in
+ *-*-darwin* ) glibcxx_include_dir_notparallel=yes ;;
+ * ) glibcxx_include_dir_notparallel=no ;;
+esac
+ if test $glibcxx_include_dir_notparallel = "yes"; then
+ INCLUDE_DIR_NOTPARALLEL_TRUE=
+ INCLUDE_DIR_NOTPARALLEL_FALSE='#'
+else
+ INCLUDE_DIR_NOTPARALLEL_TRUE='#'
+ INCLUDE_DIR_NOTPARALLEL_FALSE=
+fi
+
# Propagate the target-specific source directories through the build chain.
ATOMICITY_SRCDIR=config/${atomicity_dir}
+# Add CET specific flags if Intel CET is enabled.
+ # Check whether --enable-cet was given.
+if test "${enable_cet+set}" = set; then :
+ enableval=$enable_cet;
+ case "$enableval" in
+ yes|no|auto) ;;
+ *) as_fn_error "Unknown argument to enable/disable cet" "$LINENO" 5 ;;
+ esac
+
+else
+ enable_cet=no
+fi
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for CET support" >&5
+$as_echo_n "checking for CET support... " >&6; }
+
+case "$host" in
+ i[34567]86-*-linux* | x86_64-*-linux*)
+ case "$enable_cet" in
+ auto)
+ # Check if target supports multi-byte NOPs
+ # and if assembler supports CET insn.
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+#if !defined(__SSE2__)
+#error target does not support multi-byte NOPs
+#else
+asm ("setssbsy");
+#endif
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ enable_cet=yes
+else
+ enable_cet=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ ;;
+ yes)
+ # Check if assembler supports CET.
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+asm ("setssbsy");
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+else
+ as_fn_error "assembler with CET support is required for --enable-cet" "$LINENO" 5
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ ;;
+ esac
+ ;;
+ *)
+ enable_cet=no
+ ;;
+esac
+if test x$enable_cet = xyes; then
+ CET_FLAGS="-fcf-protection -mshstk"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+EXTRA_CXX_FLAGS="$EXTRA_CXX_FLAGS $CET_FLAGS"
+EXTRA_CFLAGS="$EXTRA_CFLAGS $CET_FLAGS"
+
+
+
# Determine cross-compile flags and AM_CONDITIONALs.
#AC_SUBST(GLIBCXX_IS_NATIVE)
#AM_CONDITIONAL(CANADIAN, test $CANADIAN = yes)
fi
+ if test $enable_float128 = yes; then
+ ENABLE_FLOAT128_TRUE=
+ ENABLE_FLOAT128_FALSE='#'
+else
+ ENABLE_FLOAT128_TRUE='#'
+ ENABLE_FLOAT128_FALSE=
+fi
+
+
if test $enable_libstdcxx_allocator_flag = new; then
ENABLE_ALLOCATOR_NEW_TRUE=
ENABLE_ALLOCATOR_NEW_FALSE='#'
# OPTIMIZE_CXXFLAGS = -O3 -fstrict-aliasing -fvtable-gc
- WARN_FLAGS='-Wall -Wextra -Wwrite-strings -Wcast-qual -Wabi'
+ WARN_FLAGS="-Wall -Wextra -Wwrite-strings -Wcast-qual -Wabi=2"
+
+
+
+# Determine what GCC version number to use in filesystem paths.
+
+ get_gcc_base_ver="cat"
+
+# Check whether --with-gcc-major-version-only was given.
+if test "${with_gcc_major_version_only+set}" = set; then :
+ withval=$with_gcc_major_version_only; if test x$with_gcc_major_version_only = xyes ; then
+ get_gcc_base_ver="sed -e 's/^\([0-9]*\).*/\1/'"
+ fi
+
+fi
+
# append it here. Only modify Makefiles that have just been created.
#
# Also, get rid of this simulated-VPATH thing that automake does.
-ac_config_files="$ac_config_files include/Makefile libsupc++/Makefile src/Makefile src/c++98/Makefile src/c++11/Makefile src/filesystem/Makefile doc/Makefile po/Makefile testsuite/Makefile python/Makefile"
+ac_config_files="$ac_config_files include/Makefile libsupc++/Makefile src/Makefile src/c++98/Makefile src/c++11/Makefile src/c++17/Makefile src/filesystem/Makefile doc/Makefile po/Makefile testsuite/Makefile python/Makefile"
ac_config_commands="$ac_config_commands generate-headers"
as_fn_error "conditional \"GLIBCXX_BUILD_PCH\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
+if test -z "${ENABLE_FLOAT128_TRUE}" && test -z "${ENABLE_FLOAT128_FALSE}"; then
+ as_fn_error "conditional \"ENABLE_FLOAT128\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
if test -z "${ENABLE_ALLOCATOR_NEW_TRUE}" && test -z "${ENABLE_ALLOCATOR_NEW_FALSE}"; then
as_fn_error "conditional \"ENABLE_ALLOCATOR_NEW\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
as_fn_error "conditional \"BUILD_PDF\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
+if test -z "${INCLUDE_DIR_NOTPARALLEL_TRUE}" && test -z "${INCLUDE_DIR_NOTPARALLEL_FALSE}"; then
+ as_fn_error "conditional \"INCLUDE_DIR_NOTPARALLEL\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
: ${CONFIG_STATUS=./config.status}
ac_write_fail=0
CC="$CC"
CXX="$CXX"
GFORTRAN="$GFORTRAN"
-GCJ="$GCJ"
# The HP-UX ksh and POSIX shell print the target directory to stdout
"src/Makefile") CONFIG_FILES="$CONFIG_FILES src/Makefile" ;;
"src/c++98/Makefile") CONFIG_FILES="$CONFIG_FILES src/c++98/Makefile" ;;
"src/c++11/Makefile") CONFIG_FILES="$CONFIG_FILES src/c++11/Makefile" ;;
+ "src/c++17/Makefile") CONFIG_FILES="$CONFIG_FILES src/c++17/Makefile" ;;
"src/filesystem/Makefile") CONFIG_FILES="$CONFIG_FILES src/filesystem/Makefile" ;;
"doc/Makefile") CONFIG_FILES="$CONFIG_FILES doc/Makefile" ;;
"po/Makefile") CONFIG_FILES="$CONFIG_FILES po/Makefile" ;;
;;
"src/c++11/Makefile":F) cat > vpsed$$ << \_EOF
s!`test -f '$<' || echo '$(srcdir)/'`!!
+_EOF
+ sed -f vpsed$$ $ac_file > tmp$$
+ mv tmp$$ $ac_file
+ rm vpsed$$
+ echo 'MULTISUBDIR =' >> $ac_file
+ ml_norecursion=yes
+ . ${multi_basedir}/config-ml.in
+ { ml_norecursion=; unset ml_norecursion;}
+ ;;
+ "src/c++17/Makefile":F) cat > vpsed$$ << \_EOF
+s!`test -f '$<' || echo '$(srcdir)/'`!!
_EOF
sed -f vpsed$$ $ac_file > tmp$$
mv tmp$$ $ac_file
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