HOST_LIBS
enable_default_ssp
thin_archive_support
+ld_soname_option
+ld_version_script_option
libgcc_visibility
gcc_cv_readelf
gcc_cv_objdump
CXX_FOR_BUILD
CC_FOR_BUILD
inhibit_libc
+BUILD_SYSTEM_HEADER_DIR
SYSTEM_HEADER_DIR
ALL
CROSS
LIBINTL_DEP
LIBINTL
USE_NLS
+get_gcc_base_ver
extra_opt_files
extra_modes_file
NATIVE_SYSTEM_HEADER_DIR
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_rpath
with_libiconv_prefix
enable_sjlj_exceptions
+with_gcc_major_version_only
enable_secureplt
+enable_mingw_wildcard
enable_leading_mingw64_underscores
enable_cld
enable_frame_pointer
with_glibc_version
enable_gnu_unique_object
enable_linker_build_id
+enable_libssp
enable_default_ssp
with_long_double_128
+with_long_double_format
with_gc
with_system_zlib
enable_maintainer_mode
--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
arrange to use setjmp/longjmp exception handling
--enable-secureplt enable -msecure-plt by default for PowerPC
+ --enable-mingw-wildcard Set whether to expand wildcard on command-line.
+ Default to platform configuration
--enable-leading-mingw64-underscores
enable leading underscores on 64 bit mingw targets
--enable-cld enable -mcld by default for 32bit x86
extension on glibc systems
--enable-linker-build-id
compiler will always pass --build-id to linker
+ --enable-libssp enable linking against libssp
--enable-default-ssp enable Stack Smashing Protection as default
--enable-maintainer-mode
enable make rules and dependencies not useful (and
--with-gnu-ld assume the C compiler uses GNU ld default=no
--with-libiconv-prefix[=DIR] search for libiconv in DIR/include and DIR/lib
--without-libiconv-prefix don't search for libiconv in includedir and libdir
+ --with-gcc-major-version-only
+ use only GCC major number in filesystem paths
--with-pic try to use only PIC/non-PIC objects [default=use
both]
--with-gnu-ld assume the C compiler uses GNU ld [default=no]
--with-glibc-version=M.N
assume GCC used with glibc version M.N or later
--with-long-double-128 use 128-bit long double by default
+ --with-long-double-format={ieee,ibm}
+ Specify whether PowerPC long double uses IEEE or IBM format
+
--with-gc={page,zone} this option is not supported anymore. It used to
choose the garbage collection mechanism to use with
the compiler
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
fi
+case $target in
+ *darwin*) ld64_flag=yes;; # Darwin can only use a ld64-compatible linker.
+ *) ld64_flag=no;;
+esac
+
# With pre-defined ld
# Check whether --with-ld was given.
as_fn_error "cannot execute: $DEFAULT_LINKER: check --with-ld or env. var. DEFAULT_LINKER" "$LINENO" 5
elif $DEFAULT_LINKER -v < /dev/null 2>&1 | grep GNU > /dev/null; then
gnu_ld_flag=yes
+ elif $DEFAULT_LINKER -v < /dev/null 2>&1 | grep ld64- > /dev/null; then
+ ld64_flag=yes
fi
cat >>confdefs.h <<_ACEOF
# Other compilers, like HP Tru64 UNIX cc, exit successfully when
# given a .adb file, but produce no object file. So we must check
# if an object file was really produced to guard against this.
-errors=`(${CC} -I"$srcdir"/ada -c conftest.adb) 2>&1 || echo failure`
+errors=`(${CC} -I"$srcdir"/ada/libgnat -c conftest.adb) 2>&1 || echo failure`
if test x"$errors" = x && test -f conftest.$ac_objext; then
acx_cv_cc_gcc_supports_ada=yes
fi
# If we are using a compiler supporting mdynamic-no-pic
# and the option has been tested as safe to add, then cancel
# it here, since the code generated is incompatible with shared
- # libs.
+ # libs.
*-mdynamic-no-pic*) PICFLAG_FOR_TARGET='-fno-common -mno-dynamic-no-pic' ;;
*) PICFLAG_FOR_TARGET=-fno-common ;;
esac
;;
i[34567]86-*-mingw* | x86_64-*-mingw*)
;;
+ i[34567]86-*-interix[3-9]*)
+ # Interix 3.x gcc -fpic/-fPIC options generate broken code.
+ # Instead, we relocate shared libraries at runtime.
+ ;;
i[34567]86-*-nto-qnx*)
# QNX uses GNU C++, but need to define -shared option too, otherwise
# it will coredump.
PICFLAG_FOR_TARGET=-fpic
;;
# FIXME: Simplify to sh*-*-netbsd*?
- sh-*-netbsdelf* | shl*-*-netbsdelf*)
+ sh-*-netbsdelf* | shl*-*-netbsdelf* | sh5-*-netbsd* | sh5l*-*-netbsd* | \
+ sh64-*-netbsd* | sh64l*-*-netbsd*)
PICFLAG_FOR_TARGET=-fpic
;;
# Default to -fPIC unless specified otherwise.
if test "${enable_coverage+set}" = set; then :
enableval=$enable_coverage; case "${enableval}" in
yes|noopt)
- coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O0"
+ coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O0 -fkeep-static-functions"
;;
opt)
- coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O2"
+ coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O2 -fkeep-static-functions"
;;
no)
# a.k.a. --disable-coverage
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 :
;;
esac
else
- BUGURL="http://gcc.gnu.org/bugs.html"
+ BUGURL="https://gcc.gnu.org/bugs/"
fi
# --------------------------------------------------------
# Collect build-machine-specific information.
-. ${srcdir}/config.build
+. ${srcdir}/config.build || exit 1
# Collect host-machine-specific information.
-. ${srcdir}/config.host
+. ${srcdir}/config.host || exit 1
target_gtfiles=
# Collect target-machine-specific information.
-. ${srcdir}/config.gcc
+. ${srcdir}/config.gcc || exit 1
extra_objs="${host_extra_objs} ${extra_objs}"
extra_gcc_objs="${host_extra_gcc_objs} ${extra_gcc_objs}"
configuration_arguments};
EOF
+# Determine what GCC version number to use in filesystem paths.
+
+ get_gcc_base_ver="cat"
+
+# Check whether --with-gcc-major-version-only was given.
+if test "${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
+
+
+
+
# Internationalization
# If we haven't got the data from the intl directory,
# assume NLS is disabled.
fi
+# Check whether --enable-mingw-wildcard was given.
+if test "${enable_mingw_wildcard+set}" = set; then :
+ enableval=$enable_mingw_wildcard;
+else
+ enable_mingw_wildcard=platform
+fi
+
+if test x"$enable_mingw_wildcard" != xplatform ; then :
+
+cat >>confdefs.h <<_ACEOF
+#define MINGW_DOWILDCARD $(test x"$enable_mingw_wildcard" = xno; echo $?)
+_ACEOF
+
+fi
+
# Check whether --enable-leading-mingw64-underscores was given.
if test "${enable_leading_mingw64_underscores+set}" = set; then :
enableval=$enable_leading_mingw64_underscores;
CROSS=
ALL=all.internal
SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)'
+BUILD_SYSTEM_HEADER_DIR=$SYSTEM_HEADER_DIR
-if test "x$with_build_sysroot" != x; then
- build_system_header_dir=$with_build_sysroot'$${sysroot_headers_suffix}$(NATIVE_SYSTEM_HEADER_DIR)'
-else
- # This value is used, even on a native system, because
- # CROSS_SYSTEM_HEADER_DIR is just
- # $(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR).
- build_system_header_dir='$(CROSS_SYSTEM_HEADER_DIR)'
-fi
-
-if test x$host != x$target
-then
- CROSS="-DCROSS_DIRECTORY_STRUCTURE"
- ALL=all.cross
- SYSTEM_HEADER_DIR=$build_system_header_dir
- case "$host","$target" in
- # Darwin crosses can use the host system's libraries and headers,
- # because of the fat library support. Of course, it must be the
- # same version of Darwin on both sides. Allow the user to
- # just say --target=foo-darwin without a version number to mean
- # "the version on this system".
- *-*-darwin*,*-*-darwin*)
- hostos=`echo $host | sed 's/.*-darwin/darwin/'`
- targetos=`echo $target | sed 's/.*-darwin/darwin/'`
- if test $hostos = $targetos -o $targetos = darwin ; then
- CROSS=
- SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)'
- with_headers=yes
- fi
- ;;
-
- i?86-*-*,x86_64-*-* \
- | powerpc*-*-*,powerpc64*-*-*)
- CROSS="$CROSS -DNATIVE_CROSS" ;;
- esac
+if test x$host != x$target || test "x$TARGET_SYSTEM_ROOT" != x ||
+ test x$build != x$host || test "x$with_build_sysroot" != x; then
+ if test "x$with_build_sysroot" != x; then
+ BUILD_SYSTEM_HEADER_DIR=$with_build_sysroot'$${sysroot_headers_suffix}$(NATIVE_SYSTEM_HEADER_DIR)'
+ else
+ BUILD_SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
+ fi
- case $target in
- *-*-mingw*)
- if test "x$with_headers" = x; then
- with_headers=yes
- fi
- ;;
- *)
- ;;
- esac
-elif test "x$TARGET_SYSTEM_ROOT" != x; then
- SYSTEM_HEADER_DIR=$build_system_header_dir
-fi
+ if test x$host != x$target
+ then
+ CROSS="-DCROSS_DIRECTORY_STRUCTURE"
+ ALL=all.cross
+ SYSTEM_HEADER_DIR=$BUILD_SYSTEM_HEADER_DIR
+ elif test "x$TARGET_SYSTEM_ROOT" != x; then
+ SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
+ fi
-if test x$host != x$target || test "x$TARGET_SYSTEM_ROOT" != x; then
- if test "x$with_headers" != x && test "x$with_headers" != xyes; then
- target_header_dir=$with_headers
+ if test "x$with_build_sysroot" != "x"; then
+ target_header_dir="${with_build_sysroot}${native_system_header_dir}"
elif test "x$with_sysroot" = x; then
target_header_dir="${test_exec_prefix}/${target_noncanonical}/sys-include"
- elif test "x$with_build_sysroot" != "x"; then
- target_header_dir="${with_build_sysroot}${native_system_header_dir}"
elif test "x$with_sysroot" = xyes; then
target_header_dir="${test_exec_prefix}/${target_noncanonical}/sys-root${native_system_header_dir}"
else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 18426 "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 18532 "configure"
+#line 18569 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
else
case "${target}" in
*-*-solaris2*)
- # See acinclude.m4 (gcc_SUN_LD_VERSION) for the version number
- # format.
+ # Solaris 2 ld -V output looks like this for a regular version:
#
- # Don't reuse gcc_gv_sun_ld_vers_* in case a linker other than
- # /usr/ccs/bin/ld has been configured.
+ # ld: Software Generation Utilities - Solaris Link Editors: 5.11-1.1699
+ #
+ # but test versions add stuff at the end:
+ #
+ # ld: Software Generation Utilities - Solaris Link Editors: 5.11-1.1701:onnv-ab196087-6931056-03/25/10
+ #
+ # In Solaris 11.4, this was changed to
+ #
+ # ld: Solaris ELF Utilities: 11.4-1.3123
+ #
+ # ld and ld.so.1 are guaranteed to be updated in lockstep, so ld version
+ # numbers can be used in ld.so.1 feature checks even if a different
+ # linker is configured.
ld_ver=`$gcc_cv_ld -V 2>&1`
- if echo "$ld_ver" | grep 'Solaris Link Editors' > /dev/null; then
+ if echo "$ld_ver" | $EGREP 'Solaris Link Editors|Solaris ELF Utilities' > /dev/null; then
ld_vers=`echo $ld_ver | sed -n \
- -e 's,^.*: 5\.[0-9][0-9]*-\([0-9]\.[0-9][0-9]*\).*$,\1,p'`
+ -e 's,^.*: \(5\|1[0-9]\)\.[0-9][0-9]*-\([0-9]\.[0-9][0-9]*\).*$,\2,p'`
ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_ld_ro_rw_mix" >&5
$as_echo "$gcc_cv_ld_ro_rw_mix" >&6; }
-if test "x${build}" = "x${target}" && test "x${build}" = "x${host}"; then
- case "${target}" in
- *-*-solaris2*)
- #
- # Solaris 2 ld -V output looks like this for a regular version:
- #
- # ld: Software Generation Utilities - Solaris Link Editors: 5.11-1.1699
- #
- # but test versions add stuff at the end:
- #
- # ld: Software Generation Utilities - Solaris Link Editors: 5.11-1.1701:onnv-ab196087-6931056-03/25/10
- #
- gcc_cv_sun_ld_ver=`/usr/ccs/bin/ld -V 2>&1`
- if echo "$gcc_cv_sun_ld_ver" | grep 'Solaris Link Editors' > /dev/null; then
- gcc_cv_sun_ld_vers=`echo $gcc_cv_sun_ld_ver | sed -n \
- -e 's,^.*: 5\.[0-9][0-9]*-\([0-9]\.[0-9][0-9]*\).*$,\1,p'`
- gcc_cv_sun_ld_vers_major=`expr "$gcc_cv_sun_ld_vers" : '\([0-9]*\)'`
- gcc_cv_sun_ld_vers_minor=`expr "$gcc_cv_sun_ld_vers" : '[0-9]*\.\([0-9]*\)'`
- fi
- ;;
- esac
-fi
-
# Check whether --enable-initfini-array was given.
if test "${enable_initfini_array+set}" = set; then :
enableval=$enable_initfini_array;
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 :
fi
+case "$target" in
+ i?86-*-solaris2.10* | x86_64-*-solaris2.10*)
+ # SHF_MERGE support in Solaris 10/x86 ld is broken.
+ if test x"$gnu_ld" = xno; then
+ gcc_cv_as_shf_merge=no
+ fi
+ ;;
+esac
cat >>confdefs.h <<_ACEOF
#define HAVE_GAS_SHF_MERGE `if test $gcc_cv_as_shf_merge = yes; then echo 1; else echo 0; fi`
_ACEOF
+# Restrict this test to Solaris/x86: other targets define this statically.
+case "${target}" in
+ i?86-*-solaris2* | x86_64-*-solaris2*)
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking support for hidden thunks in linkonce sections" >&5
+$as_echo_n "checking support for hidden thunks in linkonce sections... " >&6; }
+ if test $in_tree_ld = yes || echo "$ld_ver" | grep GNU > /dev/null; then
+ hidden_linkonce=yes
+ else
+ case "${target}" in
+ # Full support for hidden thunks in linkonce sections only appeared in
+ # Solaris 11/OpenSolaris.
+ *-*-solaris2.1[1-9]*)
+ hidden_linkonce=yes
+ ;;
+ *)
+ hidden_linkonce=no
+ ;;
+ esac
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $hidden_linkonce" >&5
+$as_echo "$hidden_linkonce" >&6; }
+
+cat >>confdefs.h <<_ACEOF
+#define USE_HIDDEN_LINKONCE `if test $hidden_linkonce = yes; then echo 1; else echo 0; fi`
+_ACEOF
+
+ ;;
+esac
+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for line table discriminator support" >&5
$as_echo_n "checking assembler for line table discriminator support... " >&6; }
if test "${gcc_cv_as_discriminator+set}" = set; then :
tls_first_minor=14
tls_as_opt="-a32 --fatal-warnings"
;;
+ riscv*-*-*)
+ conftest_s='
+ .section .tdata,"awT",@progbits
+x: .word 2
+ .text
+ la.tls.gd a0,x
+ call __tls_get_addr'
+ tls_first_major=2
+ tls_first_minor=21
+ tls_as_opt='--fatal-warnings'
+ ;;
s390-*-*)
conftest_s='
.section ".tdata","awT",@progbits
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
+ if $gcc_cv_ld --help 2>&1 | grep -- -Bstatic > /dev/null \
+ && $gcc_cv_ld --help 2>&1 | grep -- -Bdynamic > /dev/null; then
gcc_cv_ld_static_dynamic=yes
else
case "$target" in
{ $as_echo "$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
$as_echo_n "checking linker --demangle support... " >&6; }
fi
elif test x$gcc_cv_ld != x -a x"$gnu_ld" = xyes; then
# Check if the GNU linker supports --demangle option
- if $gcc_cv_ld --help 2>/dev/null | grep no-demangle > /dev/null; then
+ if $gcc_cv_ld --help 2>&1 | grep no-demangle > /dev/null; then
gcc_cv_ld_demangle=yes
fi
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_lto_plugin" >&5
$as_echo "$gcc_cv_lto_plugin" >&6; }
+# Target OS-specific assembler checks.
+
+case "$target_os" in
+ darwin*)
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for -mmacosx-version-min option" >&5
+$as_echo_n "checking assembler for -mmacosx-version-min option... " >&6; }
+if test "${gcc_cv_as_mmacosx_version_min+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ gcc_cv_as_mmacosx_version_min=no
+ if test x$gcc_cv_as != x; then
+ $as_echo '.text' > conftest.s
+ if { ac_try='$gcc_cv_as $gcc_cv_as_flags -mmacosx-version-min=10.1 -o conftest.o conftest.s >&5'
+ { { eval echo "\"\$as_me\":${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_mmacosx_version_min=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: $gcc_cv_as_mmacosx_version_min" >&5
+$as_echo "$gcc_cv_as_mmacosx_version_min" >&6; }
+if test $gcc_cv_as_mmacosx_version_min = yes; then
+
+$as_echo "#define HAVE_AS_MMACOSX_VERSION_MIN_OPTION 1" >>confdefs.h
+
+fi
+
+ ;;
+esac
+
+# Target CPU-specific assembler checks.
+
case "$target" in
aarch64*-*-*)
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for -mabi option" >&5
fi
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for __gcc_isr pseudo instruction" >&5
+$as_echo_n "checking assembler for __gcc_isr pseudo instruction... " >&6; }
+if test "${gcc_cv_as_avr_mgccisr+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ gcc_cv_as_avr_mgccisr=no
+ if test x$gcc_cv_as != x; then
+ $as_echo '.text
+ __gcc_isr 1
+ __gcc_isr 2
+ __gcc_isr 0,r24
+ ' > conftest.s
+ if { ac_try='$gcc_cv_as $gcc_cv_as_flags -mgcc-isr -o conftest.o conftest.s >&5'
+ { { eval echo "\"\$as_me\":${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_avr_mgccisr=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: $gcc_cv_as_avr_mgccisr" >&5
+$as_echo "$gcc_cv_as_avr_mgccisr" >&6; }
+if test $gcc_cv_as_avr_mgccisr = yes; then
+
+$as_echo "#define HAVE_AS_AVR_MGCCISR_OPTION 1" >>confdefs.h
+
+fi
+
+
+ # Check how default linker description file implements .rodata for
+ # avrxmega3 (PR21472). avr-gcc assumes .rodata is *not* loaded to
+ # RAM so avr-gcc skips __do_copy_data for .rodata objects.
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking binutils for avrxmega3 .rodata support" >&5
+$as_echo_n "checking binutils for avrxmega3 .rodata support... " >&6; }
+ cat > conftest.s <<EOF
+ .section .rodata,"a",@progbits
+ .global xxvaryy
+ ;; avr-nm should print "... R xxvaryy", not "... D xxvaryy".
+ xxvaryy:
+ .word 1
+EOF
+ rm -f conftest.nm
+ { ac_try='$gcc_cv_as -mmcu=avrxmega3 conftest.s -o conftest.o'
+ { { 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 $ac_status = 0; }; }
+ { ac_try='$gcc_cv_ld -mavrxmega3 conftest.o -o conftest.elf'
+ { { 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 $ac_status = 0; }; }
+ { ac_try='$gcc_cv_nm conftest.elf > conftest.nm'
+ { { 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; }; }
+ if test -s conftest.nm
+ then
+ if grep ' R xxvaryy' conftest.nm > /dev/null; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+$as_echo "#define HAVE_LD_AVR_AVRXMEGA3_RODATA_IN_FLASH 1" >>confdefs.h
+
+ else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no: avrxmega3 .rodata located in RAM" >&5
+$as_echo "no: avrxmega3 .rodata located in RAM" >&6; }
+ echo "$as_me: nm output was" >&5
+ cat conftest.nm >&5
+ avr_ld_ver="`$gcc_cv_ld -v | sed -e 's:^.* ::'`"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: support for avrxmega3 .rodata in flash needs Binutils 2.29 or higher (have $avr_ld_ver)" >&5
+$as_echo "$as_me: WARNING: support for avrxmega3 .rodata in flash needs Binutils 2.29 or higher (have $avr_ld_ver)" >&2;}
+ fi
+ else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: test failed" >&5
+$as_echo "test failed" >&6; }
+ echo "$as_me: failed program was" >&5
+ cat conftest.s >&5
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: see \`config.log' for details" >&5
+$as_echo "$as_me: WARNING: see \`config.log' for details" >&2;}
+ fi
+ rm -f conftest.s conftest.o conftest.elf conftest.nm
;;
cris-*-*)
$as_echo "#define HAVE_AS_SPARC5_VIS4 1" >>confdefs.h
+fi
+
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for SPARC6 instructions" >&5
+$as_echo_n "checking assembler for SPARC6 instructions... " >&6; }
+if test "${gcc_cv_as_sparc_sparc6+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ gcc_cv_as_sparc_sparc6=no
+ if test x$gcc_cv_as != x; then
+ $as_echo '.text
+ .register %g2, #scratch
+ .register %g3, #scratch
+ .align 4
+ rd %entropy, %g1
+ fpsll64x %f0, %f2, %f4' > conftest.s
+ if { ac_try='$gcc_cv_as $gcc_cv_as_flags -xarch=sparc6 -o conftest.o conftest.s >&5'
+ { { eval echo "\"\$as_me\":${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_sparc_sparc6=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: $gcc_cv_as_sparc_sparc6" >&5
+$as_echo "$gcc_cv_as_sparc_sparc6" >&6; }
+if test $gcc_cv_as_sparc_sparc6 = yes; then
+
+$as_echo "#define HAVE_AS_SPARC6 1" >>confdefs.h
+
fi
;;
esac
- # 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 :
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for -xbrace_comment" >&5
+$as_echo_n "checking assembler for -xbrace_comment... " >&6; }
+if test "${gcc_cv_as_ix86_xbrace_comment+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 $gcc_cv_as_flags --fatal-warnings -o conftest.o conftest.s >&5'
+ gcc_cv_as_ix86_xbrace_comment=no
+ if test x$gcc_cv_as != x; then
+ $as_echo '.text' > conftest.s
+ if { ac_try='$gcc_cv_as $gcc_cv_as_flags -xbrace_comment=no -o conftest.o conftest.s >&5'
{ { eval echo "\"\$as_me\":${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
+ gcc_cv_as_ix86_xbrace_comment=yes
else
echo "configure: failed program was" >&5
cat conftest.s >&5
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; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_as_ix86_xbrace_comment" >&5
+$as_echo "$gcc_cv_as_ix86_xbrace_comment" >&6; }
+if test $gcc_cv_as_ix86_xbrace_comment = yes; then
+$as_echo "#define HAVE_AS_XBRACE_COMMENT_OPTION 1" >>confdefs.h
-
-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
+fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for filds and fists mnemonics" >&5
# ??? Once 2.11 is released, probably need to add first known working
# version to the per-target configury.
case "$cpu_type" in
- aarch64 | alpha | arm | avr | bfin | cris | i386 | m32c | m68k | microblaze \
- | mips | nios2 | pa | rs6000 | score | sparc | spu | tilegx | tilepro \
- | visium | xstormy16 | xtensa)
+ aarch64 | alpha | arc | arm | avr | bfin | cris | i386 | m32c | m68k \
+ | microblaze | mips | nios2 | pa | riscv | rs6000 | score | sparc | spu \
+ | tilegx | tilepro | visium | xstormy16 | xtensa)
insn="nop"
;;
ia64 | s390)
$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
elif test x$gcc_cv_ld != x; then
if echo "$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
+ if $gcc_cv_ld --help 2>&1 | grep eh-frame-hdr > /dev/null; then
gcc_cv_ld_eh_frame_hdr=yes
fi
else
fi
elif test x$gcc_cv_ld != x; then
# Check if linker supports -pie option
- if $gcc_cv_ld --help 2>/dev/null | grep -- -pie > /dev/null; then
+ if $gcc_cv_ld --help 2>&1 | grep -- -pie > /dev/null; then
gcc_cv_ld_pie=yes
case "$target" in
*-*-solaris2*)
else
case "$target" in
*-*-solaris2.1[1-9]*)
- # Solaris 11.x and Solaris 12 added PIE support.
+ # Solaris 11.3 added PIE support.
if $gcc_cv_ld -z help 2>&1 | grep -- type.*pie > /dev/null; then
gcc_cv_ld_pie=yes
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_ld_compress_debug" >&5
$as_echo "$gcc_cv_ld_compress_debug" >&6; }
+if test x"$ld64_flag" = x"yes"; then
+
+ # Set defaults for possibly untestable items.
+ gcc_cv_ld64_export_dynamic=0
+
+ if test "$build" = "$host"; then
+ darwin_try_test=1
+ else
+ darwin_try_test=0
+ fi
+
+ # On Darwin, because of FAT library support, it is often possible to execute
+ # exes from compatible archs even when the host differs from the build system.
+ case "$build","$host" in
+ x86_64-*-darwin*,i?86-*-darwin* | powerpc64*-*-darwin*,powerpc*-*-darwin*)
+ darwin_try_test=1;;
+ *) ;;
+ esac
+
+ # If the configurer specified a minimum ld64 version to be supported, then use
+ # that to determine feature support.
+ if test x"${gcc_cv_ld64_version}" != x; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking ld64 specified version" >&5
+$as_echo_n "checking ld64 specified version... " >&6; }
+ gcc_cv_ld64_major=`echo "$gcc_cv_ld64_version" | sed -e 's/\..*//'`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_ld64_major" >&5
+$as_echo "$gcc_cv_ld64_major" >&6; }
+ if test "$gcc_cv_ld64_major" -ge 236; then
+ gcc_cv_ld64_export_dynamic=1
+ fi
+ elif test -x "$gcc_cv_ld" -a "$darwin_try_test" -eq 1; then
+ # If the version was not specified, try to find it.
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking linker version" >&5
+$as_echo_n "checking linker version... " >&6; }
+ if test x"${gcc_cv_ld64_version}" = x; then
+ gcc_cv_ld64_version=`$gcc_cv_ld -v 2>&1 | grep ld64 | sed s/.*ld64-// | awk '{print $1}'`
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_ld64_version" >&5
+$as_echo "$gcc_cv_ld64_version" >&6; }
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking linker for -export_dynamic support" >&5
+$as_echo_n "checking linker for -export_dynamic support... " >&6; }
+ gcc_cv_ld64_export_dynamic=1
+ if $gcc_cv_ld -export_dynamic < /dev/null 2>&1 | grep 'unknown option' > /dev/null; then
+ gcc_cv_ld64_export_dynamic=0
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_ld64_export_dynamic" >&5
+$as_echo "$gcc_cv_ld64_export_dynamic" >&6; }
+ fi
+
+ if test x"${gcc_cv_ld64_version}" != x; then
+
+cat >>confdefs.h <<_ACEOF
+#define LD64_VERSION "${gcc_cv_ld64_version}"
+_ACEOF
+
+ fi
+
+
+cat >>confdefs.h <<_ACEOF
+#define LD64_HAS_EXPORT_DYNAMIC $gcc_cv_ld64_export_dynamic
+_ACEOF
+
+fi
+
# --------
# UNSORTED
# --------
if test "$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 $gcc_cv_ld --help 2>/dev/null | grep as-needed > /dev/null; then
- gcc_cv_ld_as_needed=yes
- else
- case "$target" in
- # Solaris 2 ld always supports -z ignore/-z record.
- *-*-solaris2*)
- gcc_cv_ld_as_needed=yes
- gcc_cv_ld_as_needed_option="-z ignore"
- gcc_cv_ld_no_as_needed_option="-z record"
- ;;
- esac
- fi
+ # 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)
+ # Solaris 2 ld always supports -z ignore/-z record. Prefer the native
+ # forms.
+ gcc_cv_ld_as_needed=yes
+ gcc_cv_ld_as_needed_option="-z ignore"
+ gcc_cv_ld_no_as_needed_option="-z record"
+ ;;
+ esac
fi
# --as-needed/-z ignore can only be used if libgcc_s.so.1 uses
# dl_iterate_phdr, i.e. since Solaris 11.
gcc_cv_ld_buildid=yes
fi
elif test x$gcc_cv_ld != x; then
- if $gcc_cv_ld --help 2>/dev/null | grep build-id > /dev/null; then
+ if $gcc_cv_ld --help 2>&1 | grep build-id > /dev/null; then
gcc_cv_ld_buildid=yes
fi
fi
gcc_cv_ld_sysroot=yes
fi
elif test x$gcc_cv_ld != x; then
- if $gcc_cv_ld --help 2>/dev/null | grep sysroot > /dev/null; then
+ if $gcc_cv_ld --help 2>&1 | grep sysroot > /dev/null; then
gcc_cv_ld_sysroot=yes
fi
fi
fi
+# Check whether --enable-libssp was given.
+if test "${enable_libssp+set}" = set; then :
+ enableval=$enable_libssp; case "${enableval}" in
+ yes|no)
+ ;;
+ *)
+ as_fn_error "unknown libssp setting $enableval" "$LINENO" 5
+ ;;
+esac
+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; }
$as_echo_n "(cached) " >&6
else
gcc_cv_libc_provides_ssp=no
+ if test "x$enable_libssp" = "xno"; then
+ gcc_cv_libc_provides_ssp=yes
+ elif test "x$enable_libssp" = "xyes"; then
+ gcc_cv_libc_provides_ssp=no
+ else
case "$target" in
*-*-musl*)
# All versions of musl provide stack protector
fi
;;
- *) gcc_cv_libc_provides_ssp=no ;;
+ *) gcc_cv_libc_provides_ssp=no ;;
esac
+ fi
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_libc_provides_ssp" >&5
$as_echo "$gcc_cv_libc_provides_ssp" >&6; }
fi
+# Check if TFmode long double target should use the IBM extended double or IEEE
+# 128-bit floating point formats if long doubles are 128-bits long. The long
+# double type can only be switched on powerpc64 bit Linux systems where VSX is
+# supported. Other PowerPC systems do not build the IEEE 128-bit emulator in
+# libgcc.
+
+# Check whether --with-long-double-format was given.
+if test "${with_long_double_format+set}" = set; then :
+ withval=$with_long_double_format;
+case "$target:$with_long_double_format" in
+ powerpc64le-*-linux*:ieee | powerpc64le-*-linux*:ibm)
+ :
+ ;;
+ powerpc64-*-linux*:ieee | powerpc64-*-linux*:ibm)
+ # IEEE 128-bit emulation is only built on 64-bit VSX Linux systems
+ case "$with_cpu" in
+ power7 | power8 | power9 | power1*)
+ :
+ ;;
+ *)
+ as_fn_error "Configuration option --with-long-double-format is only \
+supported if the default cpu is power7 or newer" "$LINENO" 5
+ with_long_double_format=""
+ ;;
+ esac
+ ;;
+ xpowerpc64*-*-linux*:*)
+ as_fn_error "--with-long-double-format argument should be ibm or ieee" "$LINENO" 5
+ with_long_double_format=""
+ ;;
+ *)
+ as_fn_error "Configure option --with-long-double-format is only supported \
+on 64-bit PowerPC VSX Linux systems" "$LINENO" 5
+ with_long_double_format=""
+ ;;
+esac
+fi
+
+
# Check if the target LIBC supports exporting the AT_PLATFORM and AT_HWCAP
# values in the TCB. Currently, only GLIBC 2.23 and later support this.
gcc_cv_libc_provides_hwcap_in_tcb=no
fi
-# Check whether isl_options_set_schedule_serialize_sccs is available;
-# it's new in isl 0.15.
-if test "x${ISLLIBS}" != "x" ; then
- saved_CXXFLAGS="$CXXFLAGS"
- CXXFLAGS="$CXXFLAGS $ISLINC $GMPINC"
- saved_LIBS="$LIBS"
- LIBS="$LIBS $ISLLIBS $GMPLIBS"
-
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking Checking for isl_options_set_schedule_serialize_sccs" >&5
-$as_echo_n "checking Checking for isl_options_set_schedule_serialize_sccs... " >&6; }
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <isl/schedule.h>
-int
-main ()
-{
-isl_options_set_schedule_serialize_sccs (NULL, 0);
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_cxx_try_link "$LINENO"; then :
- ac_has_isl_options_set_schedule_serialize_sccs=yes
-else
- ac_has_isl_options_set_schedule_serialize_sccs=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext conftest.$ac_ext
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_has_isl_options_set_schedule_serialize_sccs" >&5
-$as_echo "$ac_has_isl_options_set_schedule_serialize_sccs" >&6; }
-
- LIBS="$saved_LIBS"
- CXXFLAGS="$saved_CXXFLAGS"
-
- if test x"$ac_has_isl_options_set_schedule_serialize_sccs" = x"yes"; then
-
-$as_echo "#define HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS 1" >>confdefs.h
-
- fi
-fi
-
# Check for plugin support
# Check whether --enable-plugin was given.
if test "${enable_plugin+set}" = set; then :
pluginlibs=
+ plugin_check=yes
case "${host}" in
+ *-*-mingw*)
+ # Since plugin support under MinGW is not as straightforward as on
+ # other platforms (e.g., we have to link import library, etc), we
+ # only enable it if explicitly requested.
+ if test x"$default_plugin" = x"yes"; then
+ enable_plugin=no
+ elif test x"$enable_plugin" = x"yes"; then
+ # Use make's target variable to derive import library name.
+ pluginlibs='-Wl,--export-all-symbols -Wl,--out-implib=$@.a'
+ plugin_check=no
+ fi
+ ;;
*-*-darwin*)
if test x$build = x$host; then
export_sym_check="nm${exeext} -g"
;;
esac
- if test x"$enable_plugin" = x"yes"; then
+ if test x"$enable_plugin" = x"yes" -a x"$plugin_check" = x"yes"; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for exported symbols" >&5
$as_echo_n "checking for exported symbols... " >&6; }
if test "x$export_sym_check" != x; then
echo "int main() {return 0;} int foobar() {return 0;}" > conftest.c
${CC} ${CFLAGS} ${LDFLAGS} conftest.c -o conftest$ac_exeext > /dev/null 2>&1
- if $export_sym_check conftest$ac_exeext | grep -q foobar > /dev/null; then
+ if $export_sym_check conftest$ac_exeext | grep foobar > /dev/null; then
: # No need to use a flag
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -rdynamic" >&5
$as_echo_n "checking for -rdynamic... " >&6; }
${CC} ${CFLAGS} ${LDFLAGS} -rdynamic conftest.c -o conftest$ac_exeext > /dev/null 2>&1
- if $export_sym_check conftest$ac_exeext | grep -q foobar > /dev/null; then
+ if $export_sym_check conftest$ac_exeext | grep foobar > /dev/null; then
plugin_rdynamic=yes
pluginlibs="-rdynamic"
else
# 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}${exeext}"
EOF
# Check whether --enable-default-pie was given.
fi
elif test x$gcc_cv_ld != x; then
# Check if linker supports -a bndplt option
- if $gcc_cv_ld --help 2>/dev/null | grep -- '-z bndplt' > /dev/null; then
+ if $gcc_cv_ld --help 2>&1 | grep -- '-z bndplt' > /dev/null; then
ld_bndplt_support=yes
fi
fi
fi
elif test x$gcc_cv_ld != x; then
# Check if linker supports --push-state/--pop-state options
- if $gcc_cv_ld --help 2>/dev/null | grep -- '--push-state' > /dev/null; then
+ if $gcc_cv_ld --help 2>&1 | grep -- '--push-state' > /dev/null; then
ld_pushpopstate_support=yes
fi
fi
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