enable_version_specific_runtime_libs
with_slibdir
enable_plugin
+enable_libquadmath_support
'
ac_precious_vars='build_alias
host_alias
enable the use of the @gnu_indirect_function to
glibc systems
--enable-comdat enable COMDAT group support
- --enable-gnu-unique-object enable the use of the @gnu_unique_object ELF extension on
- glibc systems
+ --enable-gnu-unique-object
+ enable the use of the @gnu_unique_object ELF
+ extension on glibc systems
--enable-linker-build-id
compiler will always pass --build-id to linker
--enable-maintainer-mode
specify that runtime libraries should be
installed in a compiler-specific directory
--enable-plugin enable plugin support
+ --disable-libquadmath-support
+ disable libquadmath support for Fortran
Optional Packages:
--with-PACKAGE[=ARG] use PACKAGE [ARG=yes]
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_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
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C++ preprocessor" >&5
$as_echo_n "checking how to run the C++ preprocessor... " >&6; }
if test -z "$CXXCPP"; then
else
{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "C++ preprocessor \"$CXXCPP\" fails sanity check
-See \`config.log' for more details." "$LINENO" 5; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: C++ preprocessor \"$CXXCPP\" fails sanity check
+See \`config.log' for more details." >&5
+$as_echo "$as_me: WARNING: C++ preprocessor \"$CXXCPP\" fails sanity check
+See \`config.log' for more details." >&2;}; }
fi
+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_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+
for ac_header in unordered_map
do :
ac_fn_cxx_check_header_preproc "$LINENO" "unordered_map" "ac_cv_header_unordered_map"
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 17509 "configure"
+#line 17516 "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 17615 "configure"
+#line 17622 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
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
+ # Check if linker supports -Bstatic/-Bdynamic option
+ if $gcc_cv_ld --help 2>/dev/null | grep -- -Bstatic > /dev/null \
+ && $gcc_cv_ld --help 2>/dev/null | grep -- -Bdynamic > /dev/null; then
+ gcc_cv_ld_static_dynamic=yes
+ else
+ case "$target" in
+ # Solaris 2 ld always supports -Bstatic/-Bdynamic.
+ *-*-solaris2*)
+ gcc_cv_ld_static_dynamic=yes
+ ;;
+ esac
+ fi
fi
if test x"$gcc_cv_ld_static_dynamic" = xyes; then
$as_echo "$gcc_cv_ld_demangle" >&6; }
fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking linker plugin support" >&5
+$as_echo_n "checking linker plugin support... " >&6; }
+gcc_cv_lto_plugin=no
+if test -f ../lto-plugin/Makefile ; then
+ if test $in_tree_ld = yes -a x"$ORIGINAL_PLUGIN_LD_FOR_TARGET=" = x"$gcc_cv_ld"; then
+ if test x"$ld_is_gold" = xyes; then
+ gcc_cv_lto_plugin=yes
+ elif test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 21 -o "$gcc_cv_gld_major_version" -gt 2; then \
+ gcc_cv_lto_plugin=yes
+ fi
+ # Check if the linker supports --plugin-opt option
+ elif $ORIGINAL_PLUGIN_LD_FOR_TARGET --help 2>/dev/null | grep plugin-opt > /dev/null; then
+ gcc_cv_lto_plugin=yes
+ fi
+fi
+if test x"$gcc_cv_lto_plugin" = xyes; then
+
+$as_echo "#define HAVE_LTO_PLUGIN 1" >>confdefs.h
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_lto_plugin" >&5
+$as_echo "$gcc_cv_lto_plugin" >&6; }
+
case "$target" in
# All TARGET_ABI_OSF targets.
alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*)
if test $gcc_cv_as_gnu_unique_object = yes; then
# Also check for ld.so support, i.e. glibc 2.11 or higher.
if test x$host = x$build -a x$host = x$target &&
+ ldd --version 2>/dev/null &&
glibcver=`ldd --version 2>/dev/null | sed 's/.* //;q'`; then
glibcmajor=`expr "$glibcver" : "\([0-9]*\)"`
glibcminor=`expr "$glibcver" : "[2-9]*\.\([0-9]*\)"`
gcc_cv_ld_eh_frame_hdr=yes
fi
elif test x$gcc_cv_ld != x; then
- # Check if linker supports --eh-frame-hdr option
- if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then
- gcc_cv_ld_eh_frame_hdr=yes
- fi
+ if echo "$ld_ver" | grep GNU > /dev/null; then
+ # Check if linker supports --eh-frame-hdr option
+ if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then
+ gcc_cv_ld_eh_frame_hdr=yes
+ fi
+ else
+ case "$target" in
+ *-*-solaris2*)
+ # Sun ld has various bugs in .eh_frame_hdr support before version 1.2249.
+ if test "$ld_vers_major" -gt 1 || test "$ld_vers_minor" -ge 2249; then
+ gcc_cv_ld_eh_frame_hdr=yes
+ fi
+ ;;
+ esac
+ fi
fi
if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then
fi
+if test x$host != x$target || test "x$TARGET_SYSTEM_ROOT" != x; then
+ if test "x$with_headers" != x; then
+ target_header_dir=$with_headers
+ elif test "x$with_sysroot" = x; then
+ target_header_dir="${exec_prefix}/${target_noncanonical}/sys-include"
+ elif test "x$with_build_sysroot" != "x"; then
+ target_header_dir="${with_build_sysroot}/usr/include"
+ elif test "x$with_sysroot" = xyes; then
+ target_header_dir="${exec_prefix}/${target_noncanonical}/sys-root/usr/include"
+ else
+ target_header_dir="${with_sysroot}/usr/include"
+ fi
+else
+ target_header_dir=/usr/include
+fi
+
# Test for stack protector support in target C library.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking __stack_chk_fail in target C library" >&5
$as_echo_n "checking __stack_chk_fail in target C library... " >&6; }
gcc_cv_libc_provides_ssp=no
case "$target" in
*-*-linux* | *-*-kfreebsd*-gnu | *-*-knetbsd*-gnu)
- if test x$host != x$target || test "x$TARGET_SYSTEM_ROOT" != x; then
- if test "x$with_headers" != x; then
- glibc_header_dir=$with_headers
- elif test "x$with_sysroot" = x; then
- glibc_header_dir="${exec_prefix}/${target_noncanonical}/sys-include"
- elif test "x$with_build_sysroot" != "x"; then
- glibc_header_dir="${with_build_sysroot}/usr/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 \
+ if test -f $target_header_dir/features.h \
&& $EGREP '^[ ]*#[ ]*define[ ]+__GNU_LIBRARY__[ ]+([1-9][0-9]|[6-9])' \
- $glibc_header_dir/features.h > /dev/null; then
+ $target_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
+ $target_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 \
+ $target_header_dir/features.h > /dev/null \
&& $EGREP '^[ ]*#[ ]*define[ ]+__GLIBC_MINOR__[ ]+([1-9][0-9]|[4-9])' \
- $glibc_header_dir/features.h > /dev/null; then
+ $target_header_dir/features.h > /dev/null; then
gcc_cv_libc_provides_ssp=yes
elif $EGREP '^[ ]*#[ ]*define[ ]+__UCLIBC__[ ]+1' \
- $glibc_header_dir/features.h > /dev/null && \
- test -f $glibc_header_dir/bits/uClibc_config.h && \
+ $target_header_dir/features.h > /dev/null && \
+ test -f $target_header_dir/bits/uClibc_config.h && \
$EGREP '^[ ]*#[ ]*define[ ]+__UCLIBC_HAS_SSP__[ ]+1' \
- $glibc_header_dir/bits/uClibc_config.h > /dev/null; then
+ $target_header_dir/bits/uClibc_config.h > /dev/null; then
gcc_cv_libc_provides_ssp=yes
fi
fi
withval=$with_long_double_128; gcc_cv_target_ldbl128="$with_long_double_128"
else
gcc_cv_target_ldbl128=no
- if test x$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_build_sysroot" != "x"; then
- glibc_header_dir="${with_build_sysroot}/usr/include"
- elif test "x$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
grep '^[ ]*#[ ]*define[ ][ ]*__LONG_DOUBLE_MATH_OPTIONAL' \
- $glibc_header_dir/bits/wordsize.h > /dev/null 2>&1 \
+ $target_header_dir/bits/wordsize.h > /dev/null 2>&1 \
&& gcc_cv_target_ldbl128=yes
fi
fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking dl_iterate_phdr in target C library" >&5
+$as_echo_n "checking dl_iterate_phdr in target C library... " >&6; }
+gcc_cv_target_dl_iterate_phdr=unknown
+case "$target" in
+ *-*-solaris2*)
+ # <link.h> needs both a dl_iterate_phdr declaration and support for
+ # compilation with largefile support.
+ if grep dl_iterate_phdr $target_header_dir/link.h > /dev/null 2>&1 \
+ && grep 'large file capable' $target_header_dir/link.h > /dev/null 2>&1; then
+ gcc_cv_target_dl_iterate_phdr=yes
+ else
+ gcc_cv_target_dl_iterate_phdr=no
+ fi
+ ;;
+esac
+
+if test x$gcc_cv_target_dl_iterate_phdr = xyes; then
+
+$as_echo "#define TARGET_DL_ITERATE_PHDR 1" >>confdefs.h
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_target_dl_iterate_phdr" >&5
+$as_echo "$gcc_cv_target_dl_iterate_phdr" >&6; }
+
# Find out what GC implementation we want, or may, use.
# Check whether --with-gc was given.
fi
+
+# Check whether --enable-libquadmath-support was given.
+if test "${enable_libquadmath_support+set}" = set; then :
+ enableval=$enable_libquadmath_support; ENABLE_LIBQUADMATH_SUPPORT=$enableval
+else
+ ENABLE_LIBQUADMATH_SUPPORT=yes
+fi
+
+if test "${ENABLE_LIBQUADMATH_SUPPORT}" != "no" ; then
+
+$as_echo "#define ENABLE_LIBQUADMATH_SUPPORT 1" >>confdefs.h
+
+fi
+
+
# Configure the subdirectories
# AC_CONFIG_SUBDIRS($subdirs)
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