HOST_LIBS
enable_default_ssp
thin_archive_support
+ld_soname_option
+ld_version_script_option
libgcc_visibility
gcc_cv_readelf
gcc_cv_objdump
REPORT_BUGS_TO
PKGVERSION
CONFIGURE_SPECS
+enable_gcov
enable_shared
enable_fixed_point
enable_decimal_float
enable_objc_gc
with_dwarf2
enable_shared
+enable_gcov
with_specs
with_pkgversion
with_bugurl
--enable-objc-gc enable the use of Boehm's garbage collector with the
GNU Objective-C runtime
--disable-shared don't provide a shared libgcc
+ --disable-gcov don't provide libgcov and related host tools
--enable-languages=LIST specify which front-ends to build
--disable-rpath do not hardcode runtime library paths
--enable-sjlj-exceptions
fi
+# If both --with-sysroot and --with-gxx-include-dir are passed, we interpolate
+# the former in the latter and, upon success, compute gcc_gxx_include_dir as
+# relative to the sysroot.
+gcc_gxx_include_dir_add_sysroot=0
+
# This logic must match libstdc++-v3/acinclude.m4:GLIBCXX_EXPORT_INSTALL_INFO.
if test x${gcc_gxx_include_dir} = x; then
if test x${enable_version_specific_runtime_libs} = xyes; then
fi
gcc_gxx_include_dir="\$(libsubdir)/\$(libsubdir_to_prefix)$libstdcxx_incdir"
fi
-fi
-
-gcc_gxx_include_dir_add_sysroot=0
-if test "${with_sysroot+set}" = set; then
+elif test "${with_sysroot+set}" = set; then
gcc_gxx_without_sysroot=`expr "${gcc_gxx_include_dir}" : "${with_sysroot}"'\(.*\)'`
if test "${gcc_gxx_without_sysroot}"; then
- if test x${with_sysroot} != x/; then
- gcc_gxx_include_dir="${gcc_gxx_without_sysroot}"
- fi
+ gcc_gxx_include_dir="${gcc_gxx_without_sysroot}"
gcc_gxx_include_dir_add_sysroot=1
fi
fi
case $target in
powerpc*-*-linux* | i?86*-*-linux* | x86_64*-*-linux* | s390*-*-linux* | \
- i?86*-*-elfiamcu | i?86*-*-gnu* | \
+ i?86*-*-elfiamcu | i?86*-*-gnu* | x86_64*-*-gnu* | \
i?86*-*-mingw* | x86_64*-*-mingw* | \
i?86*-*-cygwin* | x86_64*-*-cygwin*)
enable_decimal_float=yes
+# Check whether --enable-gcov was given.
+if test "${enable_gcov+set}" = set; then :
+ enableval=$enable_gcov;
+else
+ enable_gcov=yes
+fi
+
+
+
# Check whether --with-specs was given.
if test "${with_specs+set}" = set; then :
# 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/'"
+ get_gcc_base_ver="sed -e 's/^\([0-9]*\).*/\1/'"
fi
fi
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 18449 "configure"
+#line 18463 "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 18555 "configure"
+#line 18569 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
fi
+# Determine if an .eh_frame section is read-only.
+gcc_fn_eh_frame_ro () {
+ $gcc_cv_as $1 -o conftest.o conftest.s > /dev/null 2>&1 && \
+ $gcc_cv_objdump -h conftest.o 2>/dev/null | \
+ sed -e '/.eh_frame/!d' -e N | grep READONLY > /dev/null
+}
+
# Check if we have assembler support for unwind directives.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for cfi directives" >&5
$as_echo_n "checking assembler for cfi directives... " >&6; }
# If the linker used on Solaris (like Sun ld) isn't capable of merging
# read-only and read-write sections, we need to make sure that the
# assembler used emits read-write .eh_frame sections.
- if test "x$gcc_cv_ld_ro_rw_mix" != xread-write; then
- if test "x$gcc_cv_objdump" != x; then
- if $gcc_cv_objdump -h conftest.o 2>/dev/null | \
- sed -e /.eh_frame/!d -e N | grep READONLY > /dev/null; then
- gcc_cv_as_cfi_directive=no
- else
- case "$target" in
- i?86-*-solaris2.1[0-9]* | x86_64-*-solaris2.1[0-9]*)
- # On Solaris/x86, make sure that GCC and assembler agree on using
- # read-only .eh_frame sections for 64-bit.
- if test x$gas = xyes; then
- as_ix86_64_opt="--64"
- else
- as_ix86_64_opt="-xarch=amd64"
- fi
- if $gcc_cv_as $as_ix86_64_opt -o conftest.o conftest.s > /dev/null 2>&1 && \
- $gcc_cv_objdump -h conftest.o 2>/dev/null | \
- sed -e /.eh_frame/!d -e N | \
- grep READONLY > /dev/null; then
- gcc_cv_as_cfi_directive=yes
- else
- gcc_cv_as_cfi_directive=no
- fi
- ;;
- *)
- gcc_cv_as_cfi_directive=yes
- ;;
- esac
- fi
+ if test "x$gcc_cv_ld_ro_rw_mix" = xread-write; then
+ gcc_cv_as_cfi_directive=yes
+ elif test "x$gcc_cv_objdump" = x; then
+ # No objdump, err on the side of caution.
+ gcc_cv_as_cfi_directive=no
+ else
+ if test x$gas = xyes; then
+ as_32_opt="--32"
+ as_64_opt="--64"
else
- # no objdump, err on the side of caution
- gcc_cv_as_cfi_directive=no
+ as_32_opt="-m32"
+ as_64_opt="-m64"
fi
- else
- gcc_cv_as_cfi_directive=yes
+ case "$target" in
+ sparc*-*-solaris2.*)
+ # On Solaris/SPARC, .eh_frame sections should always be read-write.
+ if gcc_fn_eh_frame_ro $as_32_opt \
+ || gcc_fn_eh_frame_ro $as_64_opt; then
+ gcc_cv_as_cfi_directive=no
+ else
+ gcc_cv_as_cfi_directive=yes
+ fi
+ ;;
+ i?86-*-solaris2.* | x86_64-*-solaris2.*)
+ # On Solaris/x86, make sure that GCC and assembler agree on using
+ # read-only .eh_frame sections for 64-bit.
+ if gcc_fn_eh_frame_ro $as_32_opt; then
+ gcc_cv_as_cfi_directive=no
+ elif gcc_fn_eh_frame_ro $as_64_opt; then
+ gcc_cv_as_cfi_directive=yes
+ else
+ gcc_cv_as_cfi_directive=no
+ fi
+ ;;
+ esac
fi
;;
*-*-*)
fi
+# Test if the assembler supports the section flag 'e' or #exclude for
+# specifying an excluded section.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for section exclude flag" >&5
+$as_echo_n "checking assembler for section exclude flag... " >&6; }
+if test "${gcc_cv_as_section_exclude_e+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ gcc_cv_as_section_exclude_e=no
+ if test $in_tree_gas = yes; then
+ if test $gcc_cv_gas_vers -ge `expr \( \( 2 \* 1000 \) + 22 \) \* 1000 + 51`
+ then gcc_cv_as_section_exclude_e=yes
+fi
+ elif test x$gcc_cv_as != x; then
+ $as_echo '.section foo1,"e"
+ .byte 0,0,0,0' > conftest.s
+ if { ac_try='$gcc_cv_as $gcc_cv_as_flags --fatal-warnings -o conftest.o conftest.s >&5'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }
+ then
+ gcc_cv_as_section_exclude_e=yes
+ else
+ echo "configure: failed program was" >&5
+ cat conftest.s >&5
+ fi
+ rm -f conftest.o conftest.s
+ fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_as_section_exclude_e" >&5
+$as_echo "$gcc_cv_as_section_exclude_e" >&6; }
+
+
+if test $gcc_cv_as_section_exclude_e = no; then
+ case "${target}" in
+ # Solaris as uses #exclude instead.
+ *-*-solaris2*)
+ case "${target}" in
+ sparc*-*-solaris2*)
+ conftest_s='.section "foo1", #exclude'
+ ;;
+ i?86-*-solaris2* | x86_64-*-solaris2*)
+ conftest_s='.section foo1, #exclude'
+ ;;
+ esac
+ ;;
+ esac
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for section exclude flag" >&5
+$as_echo_n "checking assembler for section exclude flag... " >&6; }
+if test "${gcc_cv_as_section_exclude_hash+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ gcc_cv_as_section_exclude_hash=no
+ if test x$gcc_cv_as != x; then
+ $as_echo "$conftest_s
+ .byte 0,0,0,0" > conftest.s
+ if { ac_try='$gcc_cv_as $gcc_cv_as_flags -o conftest.o conftest.s >&5'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }
+ then
+ gcc_cv_as_section_exclude_hash=yes
+ else
+ echo "configure: failed program was" >&5
+ cat conftest.s >&5
+ fi
+ rm -f conftest.o conftest.s
+ fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_as_section_exclude_hash" >&5
+$as_echo "$gcc_cv_as_section_exclude_hash" >&6; }
+
+
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_GAS_SECTION_EXCLUDE `if test $gcc_cv_as_section_exclude_e = yes || test $gcc_cv_as_section_exclude_hash = yes; then echo 1; else echo 0; fi`
+_ACEOF
+
+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for section merging support" >&5
$as_echo_n "checking assembler for section merging support... " >&6; }
if test "${gcc_cv_as_shf_merge+set}" = set; then :
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_ld_static_dynamic" >&5
$as_echo "$gcc_cv_ld_static_dynamic" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking linker --version-script option" >&5
+$as_echo_n "checking linker --version-script option... " >&6; }
+gcc_cv_ld_version_script=no
+ld_version_script_option=''
+if test $in_tree_ld = yes || test x"$gnu_ld" = xyes; then
+ gcc_cv_ld_version_script=yes
+ ld_version_script_option='--version-script'
+elif test x$gcc_cv_ld != x; then
+ case "$target" in
+ # Solaris 2 ld always supports -M. It also supports a subset of
+ # --version-script since Solaris 11.4, but requires
+ # -z gnu-version-script-compat to activate.
+ *-*-solaris2*)
+ gcc_cv_ld_version_script=yes
+ ld_version_script_option='-M'
+ ;;
+ esac
+fi
+# Don't AC_DEFINE result, only used in jit/Make-lang.in so far.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_ld_version_script" >&5
+$as_echo "$gcc_cv_ld_version_script" >&6; }
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking linker soname option" >&5
+$as_echo_n "checking linker soname option... " >&6; }
+gcc_cv_ld_soname=no
+if test $in_tree_ld = yes || test x"$gnu_ld" = xyes; then
+ gcc_cv_ld_soname=yes
+ ld_soname_option='-soname'
+elif test x$gcc_cv_ld != x; then
+ case "$target" in
+ *-*-darwin*)
+ gcc_cv_ld_soname=yes
+ ld_soname_option='-install_name'
+ ;;
+ # Solaris 2 ld always supports -h. It also supports --soname for GNU
+ # ld compatiblity since some Solaris 10 update.
+ *-*-solaris2*)
+ gcc_cv_ld_soname=yes
+ ld_soname_option='-h'
+ ;;
+ esac
+fi
+# Don't AC_DEFINE result, only used in jit/Make-lang.in so far.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_ld_soname" >&5
+$as_echo "$gcc_cv_ld_soname" >&6; }
+
+
if test x"$demangler_in_ld" = xyes; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking linker --demangle support" >&5
$as_echo_n "checking linker --demangle support... " >&6; }
fi
- # Test if the assembler supports the section flag 'e' for specifying
- # an excluded section.
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for .section with e" >&5
-$as_echo_n "checking assembler for .section with e... " >&6; }
-if test "${gcc_cv_as_section_has_e+set}" = set; then :
- $as_echo_n "(cached) " >&6
-else
- gcc_cv_as_section_has_e=no
- if test $in_tree_gas = yes; then
- if test $gcc_cv_gas_vers -ge `expr \( \( 2 \* 1000 \) + 22 \) \* 1000 + 51`
- then gcc_cv_as_section_has_e=yes
-fi
- elif test x$gcc_cv_as != x; then
- $as_echo '.section foo1,"e"
-.byte 0,0,0,0' > conftest.s
- if { ac_try='$gcc_cv_as $gcc_cv_as_flags --fatal-warnings -o conftest.o conftest.s >&5'
- { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
- (eval $ac_try) 2>&5
- ac_status=$?
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; }; }
- then
- gcc_cv_as_section_has_e=yes
- else
- echo "configure: failed program was" >&5
- cat conftest.s >&5
- fi
- rm -f conftest.o conftest.s
- fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_as_section_has_e" >&5
-$as_echo "$gcc_cv_as_section_has_e" >&6; }
-
-
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_GAS_SECTION_EXCLUDE `if test $gcc_cv_as_section_has_e = yes; then echo 1; else echo 0; fi`
-_ACEOF
-
-
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for filds and fists mnemonics" >&5
$as_echo_n "checking assembler for filds and fists mnemonics... " >&6; }
if test "${gcc_cv_as_ix86_filds+set}" = set; then :
$as_echo "#define HAVE_AS_DWARF2_DEBUG_LINE 1" >>confdefs.h
+
+ if test $gcc_cv_as_leb128 = yes; then
+ conftest_s="\
+ .file 1 \"conftest.s\"
+ .loc 1 3 0 view .LVU1
+ $insn
+ .data
+ .uleb128 .LVU1
+ .uleb128 .LVU1
+"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for dwarf2 debug_view support" >&5
+$as_echo_n "checking assembler for dwarf2 debug_view support... " >&6; }
+if test "${gcc_cv_as_dwarf2_debug_view+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ gcc_cv_as_dwarf2_debug_view=no
+ if test $in_tree_gas = yes; then
+ if test $in_tree_gas_is_elf = yes \
+ && test $gcc_cv_gas_vers -ge `expr \( \( 2 \* 1000 \) + 27 \) \* 1000 + 0`
+ then gcc_cv_as_dwarf2_debug_view=yes
+fi
+ elif test x$gcc_cv_as != x; then
+ $as_echo "$conftest_s" > conftest.s
+ if { ac_try='$gcc_cv_as $gcc_cv_as_flags -o conftest.o conftest.s >&5'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }
+ then
+ gcc_cv_as_dwarf2_debug_view=yes
+ else
+ echo "configure: failed program was" >&5
+ cat conftest.s >&5
+ fi
+ rm -f conftest.o conftest.s
+ fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_as_dwarf2_debug_view" >&5
+$as_echo "$gcc_cv_as_dwarf2_debug_view" >&6; }
+if test $gcc_cv_as_dwarf2_debug_view = yes; then
+
+$as_echo "#define HAVE_AS_DWARF2_DEBUG_VIEW 1" >>confdefs.h
+
+fi
+
+ fi
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for --gdwarf2 option" >&5
if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 16 -o "$gcc_cv_gld_major_version" -gt 2 \
&& test $in_tree_ld_is_elf = yes; then
gcc_cv_ld_as_needed=yes
+ if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 28; then
+ gcc_cv_ld_as_needed_option='--push-state --as-needed'
+ gcc_cv_ld_no_as_needed_option='--pop-state'
+ fi
fi
elif test x$gcc_cv_ld != x; then
# Check if linker supports --as-needed and --no-as-needed options
if $gcc_cv_ld --help 2>&1 | grep as-needed > /dev/null; then
gcc_cv_ld_as_needed=yes
+ if $gcc_cv_ld --help 2>&1 | grep push-state > /dev/null \
+ && $gcc_cv_ld --help 2>&1 | grep pop-state > /dev/null \
+ && echo "$ld_ver" | grep GNU > /dev/null \
+ && test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -ge 28; then
+ # Use these options only when both ld.bfd and ld.gold support
+ # --push-state/--pop-state, which unfortunately wasn't added
+ # at the same time.
+ gcc_cv_ld_as_needed_option='--push-state --as-needed'
+ gcc_cv_ld_no_as_needed_option='--pop-state'
+ fi
fi
case "$target:$gnu_ld" in
*-*-solaris2*:no)
# Generate gcc-driver-name.h containing GCC_DRIVER_NAME for the benefit
# of jit/jit-playback.c.
+gcc_driver_version=`eval "${get_gcc_base_ver} $srcdir/BASE-VER"`
+echo "gcc_driver_version: ${gcc_driver_version}"
cat > gcc-driver-name.h <<EOF
-#define GCC_DRIVER_NAME "${target_noncanonical}-gcc-${gcc_BASEVER}${exeext}"
+#define GCC_DRIVER_NAME "${target_noncanonical}-gcc-${gcc_driver_version}${exeext}"
EOF
# Check whether --enable-default-pie was given.