gcc_cv_as
enable_fast_install
objdir
-CXXCPP
OTOOL64
OTOOL
LIPO
LDEXP_LIB
GNAT_LIBEXC
COLLECT2_LIBS
+CXXCPP
AR
NM
BISON
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_fn_c_check_header_preproc
+# ac_fn_cxx_try_cpp LINENO
+# ------------------------
+# Try to preprocess conftest.$ac_ext, and return whether this succeeded.
+ac_fn_cxx_try_cpp ()
+{
+ as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+ if { { ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+ (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err
+ ac_status=$?
+ if test -s conftest.err; then
+ grep -v '^ *+' conftest.err >conftest.er1
+ cat conftest.er1 >&5
+ mv -f conftest.er1 conftest.err
+ fi
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; } >/dev/null && {
+ test -z "$ac_cxx_preproc_warn_flag$ac_cxx_werror_flag" ||
+ test ! -s conftest.err
+ }; then :
+ ac_retval=0
+else
+ $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_retval=1
+fi
+ eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+ return $ac_retval
+
+} # ac_fn_cxx_try_cpp
+
+# ac_fn_cxx_check_header_preproc LINENO HEADER VAR
+# ------------------------------------------------
+# Tests whether HEADER is present, setting the cache variable VAR accordingly.
+ac_fn_cxx_check_header_preproc ()
+{
+ as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <$2>
+_ACEOF
+if ac_fn_cxx_try_cpp "$LINENO"; then :
+ eval "$3=yes"
+else
+ eval "$3=no"
+fi
+rm -f conftest.err conftest.$ac_ext
+fi
+eval ac_res=\$$3
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+ eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+
+} # ac_fn_cxx_check_header_preproc
+
# ac_fn_c_check_func LINENO FUNC VAR
# ----------------------------------
# Tests whether FUNC exists, setting the cache variable VAR accordingly
} # ac_fn_c_check_func
-# ac_fn_cxx_try_cpp LINENO
-# ------------------------
-# Try to preprocess conftest.$ac_ext, and return whether this succeeded.
-ac_fn_cxx_try_cpp ()
-{
- as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
- if { { ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
- *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
- *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
- (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err
- ac_status=$?
- if test -s conftest.err; then
- grep -v '^ *+' conftest.err >conftest.er1
- cat conftest.er1 >&5
- mv -f conftest.er1 conftest.err
- fi
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; } >/dev/null && {
- test -z "$ac_cxx_preproc_warn_flag$ac_cxx_werror_flag" ||
- test ! -s conftest.err
- }; then :
- ac_retval=0
-else
- $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
- ac_retval=1
-fi
- eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
- return $ac_retval
-
-} # ac_fn_cxx_try_cpp
-
# ac_fn_cxx_try_link LINENO
# -------------------------
# Try to link conftest.$ac_ext, and return whether this succeeded.
fi
+if test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
+
+$as_echo "#define ENABLE_BUILD_WITH_CXX 1" >>confdefs.h
+
+fi
# With stabs
esac
+# ----------------------
+# Checks for C++ headers
+# ----------------------
+
+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
+ if test "${ac_cv_prog_CXXCPP+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ # Double quotes because CXXCPP needs to be expanded
+ for CXXCPP in "$CXX -E" "/lib/cpp"
+ do
+ ac_preproc_ok=false
+for ac_cxx_preproc_warn_flag in '' yes
+do
+ # Use a header file that comes with gcc, so configuring glibc
+ # with a fresh cross-compiler works.
+ # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+ # <limits.h> exists even on freestanding compilers.
+ # On the NeXT, cc -E runs the code through the compiler's parser,
+ # not just through cpp. "Syntax error" is here to catch this case.
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+ Syntax error
+_ACEOF
+if ac_fn_cxx_try_cpp "$LINENO"; then :
+
+else
+ # Broken: fails on valid input.
+continue
+fi
+rm -f conftest.err conftest.$ac_ext
+
+ # OK, works on sane cases. Now check whether nonexistent headers
+ # can be detected and how.
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <ac_nonexistent.h>
+_ACEOF
+if ac_fn_cxx_try_cpp "$LINENO"; then :
+ # Broken: success on invalid input.
+continue
+else
+ # Passes both tests.
+ac_preproc_ok=:
+break
+fi
+rm -f conftest.err conftest.$ac_ext
+
+done
+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+rm -f conftest.err conftest.$ac_ext
+if $ac_preproc_ok; then :
+ break
+fi
+
+ done
+ ac_cv_prog_CXXCPP=$CXXCPP
+
+fi
+ CXXCPP=$ac_cv_prog_CXXCPP
+else
+ ac_cv_prog_CXXCPP=$CXXCPP
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CXXCPP" >&5
+$as_echo "$CXXCPP" >&6; }
+ac_preproc_ok=false
+for ac_cxx_preproc_warn_flag in '' yes
+do
+ # Use a header file that comes with gcc, so configuring glibc
+ # with a fresh cross-compiler works.
+ # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+ # <limits.h> exists even on freestanding compilers.
+ # On the NeXT, cc -E runs the code through the compiler's parser,
+ # not just through cpp. "Syntax error" is here to catch this case.
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+ Syntax error
+_ACEOF
+if ac_fn_cxx_try_cpp "$LINENO"; then :
+
+else
+ # Broken: fails on valid input.
+continue
+fi
+rm -f conftest.err conftest.$ac_ext
+
+ # OK, works on sane cases. Now check whether nonexistent headers
+ # can be detected and how.
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <ac_nonexistent.h>
+_ACEOF
+if ac_fn_cxx_try_cpp "$LINENO"; then :
+ # Broken: success on invalid input.
+continue
+else
+ # Passes both tests.
+ac_preproc_ok=:
+break
+fi
+rm -f conftest.err conftest.$ac_ext
+
+done
+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+rm -f conftest.err conftest.$ac_ext
+if $ac_preproc_ok; then :
+
+else
+ { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+{ $as_echo "$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_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+
+
+
+for ac_header in unordered_map
+do :
+ ac_fn_cxx_check_header_preproc "$LINENO" "unordered_map" "ac_cv_header_unordered_map"
+if test "x$ac_cv_header_unordered_map" = x""yes; then :
+ cat >>confdefs.h <<_ACEOF
+#define HAVE_UNORDERED_MAP 1
+_ACEOF
+
+fi
+done
+
+for ac_header in tr1/unordered_map
+do :
+ ac_fn_cxx_check_header_preproc "$LINENO" "tr1/unordered_map" "ac_cv_header_tr1_unordered_map"
+if test "x$ac_cv_header_tr1_unordered_map" = x""yes; then :
+ cat >>confdefs.h <<_ACEOF
+#define HAVE_TR1_UNORDERED_MAP 1
+_ACEOF
+
+fi
+done
+
+for ac_header in ext/hash_map
+do :
+ ac_fn_cxx_check_header_preproc "$LINENO" "ext/hash_map" "ac_cv_header_ext_hash_map"
+if test "x$ac_cv_header_ext_hash_map" = x""yes; then :
+ cat >>confdefs.h <<_ACEOF
+#define HAVE_EXT_HASH_MAP 1
+_ACEOF
+
+fi
+done
+
+
+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
+
+
# --------
# UNSORTED
# --------
for ac_func in times clock kill getrlimit setrlimit atoll atoq \
sysconf strsignal getrusage nl_langinfo \
- gettimeofday mbstowcs wcswidth mmap mincore setlocale \
+ gettimeofday mbstowcs wcswidth mmap setlocale \
clearerr_unlocked feof_unlocked ferror_unlocked fflush_unlocked fgetc_unlocked fgets_unlocked fileno_unlocked fprintf_unlocked fputc_unlocked fputs_unlocked fread_unlocked fwrite_unlocked getchar_unlocked getc_unlocked putchar_unlocked putc_unlocked
do :
as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
target_thread_file='single'
;;
aix | dce | gnat | irix | posix | posix95 | rtems | \
- single | solaris | vxworks | win32 | mipssde)
+ single | vxworks | win32 | mipssde)
target_thread_file=${enable_threads}
;;
*)
-
# Set options
hardcode_shlibpath_var=no
;;
- freebsd1*)
- ld_shlibs=no
- ;;
-
# FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
# support. Future versions do this automatically, but an explicit c++rt0.o
# does not break anything, and helps significantly (at the cost of a little
shlibpath_var=LD_LIBRARY_PATH
;;
-freebsd1*)
- dynamic_linker=no
- ;;
-
freebsd* | dragonfly*)
# DragonFly does not have aout. When/if they implement a new
# versioning mechanism, adjust this.
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 17289 "configure"
+#line 17508 "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 17395 "configure"
+#line 17614 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
shlibpath_var=LD_LIBRARY_PATH
;;
-freebsd1*)
- dynamic_linker=no
- ;;
-
freebsd* | dragonfly*)
# DragonFly does not have aout. When/if they implement a new
# versioning mechanism, adjust this.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking what linker to use" >&5
$as_echo_n "checking what linker to use... " >&6; }
-if test "$gcc_cv_ld" = ../ld/ld-new$build_exeext; then
+if test "$gcc_cv_ld" = ../ld/ld-new$build_exeext \
+ || test "$gcc_cv_ld" = ../gold/ld-new$build_exeext; then
# Single tree build which includes ld. We want to prefer it
# over whatever linker top-level may have detected, since
# we'll use what we're building after installation anyway.
|| grep 'EMUL = .*linux' ../ld/Makefile \
|| grep 'EMUL = .*lynx' ../ld/Makefile) > /dev/null; then
in_tree_ld_is_elf=yes
+ elif test "$ld_is_gold" = yes; then
+ in_tree_ld_is_elf=yes
fi
for f in $gcc_cv_ld_bfd_srcdir/configure $gcc_cv_ld_gld_srcdir/configure $gcc_cv_ld_gld_srcdir/configure.in $gcc_cv_ld_gld_srcdir/Makefile.in
do
i[34567]86-*-linux*)
gcc_cv_as_flags="--32"
;;
+ powerpc*-*-darwin*)
+ gcc_cv_as_flags="-arch ppc"
+ ;;
*)
gcc_cv_as_flags=" "
;;
if test $in_tree_ld != yes ; then
ld_ver=`$gcc_cv_ld --version 2>/dev/null | sed 1q`
- if test x"$ld_is_gold" = xyes; then
- gcc_cv_ld_hidden=yes
- elif echo "$ld_ver" | grep GNU > /dev/null; then
- ld_vers=`echo $ld_ver | sed -n \
- -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*.*\)$,\1,p'`
+ if echo "$ld_ver" | grep GNU > /dev/null; then
+ if test x"$ld_is_gold" = xyes; then
+ # GNU gold --version looks like this:
+ #
+ # GNU gold (GNU Binutils 2.21.51.20110225) 1.11
+ #
+ # We extract the binutils version which is more familiar and specific
+ # than the gold version.
+ ld_vers=`echo $ld_ver | sed -n \
+ -e 's,^[^)]*[ ]\([0-9][0-9]*\.[0-9][0-9]*[^)]*\)) .*$,\1,p'`
+ else
+ # GNU ld --version looks like this:
+ #
+ # GNU ld (GNU Binutils) 2.21.51.20110225
+ ld_vers=`echo $ld_ver | sed -n \
+ -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*.*\)$,\1,p'`
+ fi
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]*\.\([0-9]*\)'`
fi
else
gcc_cv_ld_hidden=yes
- if echo "$ld_ver" | grep GNU > /dev/null; then
+ if test x"$ld_is_gold" = xyes; then
+ :
+ elif echo "$ld_ver" | grep GNU > /dev/null; then
if test 0"$ld_date" -lt 20020404; then
if test -n "$ld_date"; then
# If there was date string, but was earlier than 2002-04-04, fail
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking linker -Bstatic/-Bdynamic option" >&5
$as_echo_n "checking linker -Bstatic/-Bdynamic option... " >&6; }
gcc_cv_ld_static_dynamic=no
+gcc_cv_ld_static_option='-Bstatic'
+gcc_cv_ld_dynamic_option='-Bdynamic'
if test $in_tree_ld = yes ; then
if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 10 -o "$gcc_cv_gld_major_version" -gt 2; 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
+ # 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
+ # Tru64 UNIX support -noso/-so_archive instead of -Bstatic/-Bdynamic.
+ alpha*-dec-osf*)
+ gcc_cv_ld_static_dynamic=yes
+ gcc_cv_ld_static_option="-noso"
+ gcc_cv_ld_dynamic_option="-so_archive"
+ ;;
+ # IRIX 6 ld supports -Bstatic/-Bdynamic.
+ mips-sgi-irix6*)
+ gcc_cv_ld_static_dynamic=yes
+ ;;
+ # 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
$as_echo "#define HAVE_LD_STATIC_DYNAMIC 1" >>confdefs.h
+
+cat >>confdefs.h <<_ACEOF
+#define LD_STATIC_OPTION "$gcc_cv_ld_static_option"
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define LD_DYNAMIC_OPTION "$gcc_cv_ld_dynamic_option"
+_ACEOF
+
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_ld_static_dynamic" >&5
$as_echo "$gcc_cv_ld_static_dynamic" >&6; }
$as_echo "$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=0
+if test -f liblto_plugin.la; then
+ if test $in_tree_ld = yes -a x"$ORIGINAL_PLUGIN_LD_FOR_TARGET" = x"$gcc_cv_ld"; then
+ if test "$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=2
+ elif test "$ld_is_gold" = yes -a "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -eq 20; then
+ gcc_cv_lto_plugin=1
+
+ fi
+ elif test x"$ORIGINAL_PLUGIN_LD_FOR_TARGET" = x"$gcc_cv_ld" && echo "$ld_ver" | grep GNU > /dev/null; then
+ # Require GNU ld or gold 2.21+ for plugin support by default.
+ if test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -ge 21; then
+ gcc_cv_lto_plugin=2
+ # Allow -fuse-linker-plugin to enable plugin support in GNU gold 2.20.
+ elif test "$ld_is_gold" = yes -a "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 20; then
+ gcc_cv_lto_plugin=1
+ fi
+ elif test x"$ORIGINAL_PLUGIN_LD_FOR_TARGET" != x"$gcc_cv_ld"; then
+ # Allow -fuse-linker-plugin if plugin linker differs from
+ # default/specified linker.
+ gcc_cv_lto_plugin=1
+ fi
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_LTO_PLUGIN $gcc_cv_lto_plugin
+_ACEOF
+
+{ $as_echo "$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 1.2251.
+ if test "$ld_vers_major" -gt 1 || test "$ld_vers_minor" -ge 2251; then
+ gcc_cv_ld_eh_frame_hdr=yes
+ fi
+ ;;
+ esac
+ fi
fi
if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_ld_eh_gc_sections" >&5
$as_echo "$gcc_cv_ld_eh_gc_sections" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking linker EH garbage collection of sections bug" >&5
+$as_echo_n "checking linker EH garbage collection of sections bug... " >&6; }
+gcc_cv_ld_eh_gc_sections_bug=no
+if test $in_tree_ld = yes ; then
+ if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -lt 19 -o "$gcc_cv_gld_major_version" -lt 2 \
+ && test $in_tree_ld_is_elf = yes; then
+ gcc_cv_ld_eh_gc_sections_bug=yes
+ fi
+elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x -a x$gcc_cv_as_comdat_group = xyes; then
+ gcc_cv_ld_eh_gc_sections_bug=yes
+ cat > conftest.s <<EOF
+ .section .text
+.globl _start
+ .type _start, @function
+_start:
+ .long foo
+ .size _start, .-_start
+ .section .text.startup.foo,"ax",@progbits
+ .type foo, @function
+foo:
+ .long 0
+ .size foo, .-foo
+ .section .gcc_except_table.foo,"a",@progbits
+.L0:
+ .long 0
+ .section .eh_frame,"a",@progbits
+ .long .L0
+EOF
+ if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
+ if $gcc_cv_ld -o conftest conftest.o --entry=_start --gc-sections 2>&1 \
+ | grep "gc-sections option ignored" > /dev/null; then
+ :
+ elif $gcc_cv_objdump -h conftest 2> /dev/null \
+ | grep gcc_except_table > /dev/null; then
+ gcc_cv_ld_eh_gc_sections_bug=no
+ fi
+ fi
+ rm -f conftest.s conftest.o conftest
+fi
+if test x$gcc_cv_ld_eh_gc_sections_bug = xyes; then
+
+$as_echo "#define HAVE_LD_EH_GC_SECTIONS_BUG 1" >>confdefs.h
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_ld_eh_gc_sections_bug" >&5
+$as_echo "$gcc_cv_ld_eh_gc_sections_bug" >&6; }
+
# --------
# UNSORTED
# --------
fi
+if test x$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
fi
+# Test for <sys/sdt.h> on the target.
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking sys/sdt.h in the target C library" >&5
+$as_echo_n "checking sys/sdt.h in the target C library... " >&6; }
+have_sys_sdt_h=no
+if test -f $target_header_dir/sys/sdt.h; then
+
+$as_echo "#define HAVE_SYS_SDT_H 1" >>confdefs.h
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_sys_sdt_h" >&5
+$as_echo "$have_sys_sdt_h" >&6; }
+
# Check if TFmode long double should be used by default or not.
# Some glibc targets used DFmode long double, but with glibc 2.4
# and later they can use TFmode.
withval=$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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