LIBOBJS
ENABLE_PLUGIN_FALSE
ENABLE_PLUGIN_TRUE
+DARWIN_DYNAMIC_LOOKUP_FALSE
+DARWIN_DYNAMIC_LOOKUP_TRUE
libsuffix
GMPINC
WERROR
CONFIG_STATUS_DEPENDENCIES
gcc_version
get_gcc_base_ver
+CET_HOST_FLAGS
visibility
CXXCPP
am__fastdepCXX_FALSE
enable_fast_install
with_gnu_ld
enable_libtool_lock
+enable_cet
with_gcc_major_version_only
enable_werror_always
enable_plugin
--enable-fast-install[=PKGS]
optimize for fast installation [default=yes]
--disable-libtool-lock avoid locking (might break parallel builds)
+ --enable-cet enable Intel CET in host libraries [default=auto]
--enable-werror-always enable -Werror despite compiler version
--enable-plugin enable plugin support
;;
# This must be Linux ELF.
-linux* | k*bsd*-gnu | kopensolaris*-gnu)
+linux* | k*bsd*-gnu | kopensolaris*-gnu | uclinuxfdpiceabi)
lt_cv_deplibs_check_method=pass_all
;;
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_force_load" >&5
$as_echo "$lt_cv_ld_force_load" >&6; }
- case $host_os in
- rhapsody* | darwin1.[012])
+ # Allow for Darwin 4-7 (macOS 10.0-10.3) although these are not expect to
+ # build without first building modern cctools / linker.
+ case $host_cpu-$host_os in
+ *-rhapsody* | *-darwin1.[012])
_lt_dar_allow_undefined='${wl}-undefined ${wl}suppress' ;;
- darwin1.*)
+ *-darwin1.*)
_lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
- darwin*) # darwin 5.x on
- # if running on 10.5 or later, the deployment target defaults
- # to the OS version, if on x86, and 10.4, the deployment
- # target defaults to 10.4. Don't you love it?
- case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
- 10.0,*86*-darwin8*|10.0,*-darwin[91]*)
- _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
+ *-darwin*)
+ # darwin 5.x (macOS 10.1) onwards we only need to adjust when the
+ # deployment target is forced to an earlier version.
+ case ${MACOSX_DEPLOYMENT_TARGET-UNSET},$host in
+ UNSET,*-darwin[89]*|UNSET,*-darwin[12][0123456789]*)
+ ;;
10.[012][,.]*)
- _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
- 10.*)
- _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
- esac
+ _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress'
+ ;;
+ *)
+ ;;
+ esac
;;
esac
if test "$lt_cv_apple_cc_single_mod" = "yes"; then
archive_expsym_cmds='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
;;
- gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu)
+ gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu | uclinuxfdpiceabi)
tmp_diet=no
if test "$host_os" = linux-dietlibc; then
case $cc_basename in
if test "$GCC" = yes && test "$with_gnu_ld" = no; then
case $host_cpu in
hppa*64*)
- archive_cmds='$CC -shared ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ archive_cmds='$CC -shared ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
;;
ia64*)
archive_cmds='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
else
case $host_cpu in
hppa*64*)
- archive_cmds='$CC -b ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
;;
ia64*)
archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
esac
;;
-gnu*)
- version_type=linux
- need_lib_prefix=no
- need_version=no
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}'
- soname_spec='${libname}${release}${shared_ext}$major'
- shlibpath_var=LD_LIBRARY_PATH
- hardcode_into_libs=yes
- ;;
-
haiku*)
version_type=linux
need_lib_prefix=no
;;
# This must be Linux ELF.
-linux* | k*bsd*-gnu | kopensolaris*-gnu)
+
+# uclinux* changes (here and below) have been submitted to the libtool
+# project, but have not yet been accepted: they are GCC-local changes
+# for the time being. (See
+# https://lists.gnu.org/archive/html/libtool-patches/2018-05/msg00000.html)
+linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu* | uclinuxfdpiceabi)
version_type=linux
need_lib_prefix=no
need_version=no
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 10778 "configure"
+#line 10780 "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 10884 "configure"
+#line 10886 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
aCC*)
case $host_cpu in
hppa*64*)
- archive_cmds_CXX='$CC -b ${wl}+h ${wl}$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+ archive_cmds_CXX='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
;;
ia64*)
archive_cmds_CXX='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
if test $with_gnu_ld = no; then
case $host_cpu in
hppa*64*)
- archive_cmds_CXX='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+ archive_cmds_CXX='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
;;
ia64*)
archive_cmds_CXX='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
esac
;;
-gnu*)
- version_type=linux
- need_lib_prefix=no
- need_version=no
- library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}'
- soname_spec='${libname}${release}${shared_ext}$major'
- shlibpath_var=LD_LIBRARY_PATH
- hardcode_into_libs=yes
- ;;
-
haiku*)
version_type=linux
need_lib_prefix=no
;;
# This must be Linux ELF.
-linux* | k*bsd*-gnu | kopensolaris*-gnu)
+
+# uclinux* changes (here and below) have been submitted to the libtool
+# project, but have not yet been accepted: they are GCC-local changes
+# for the time being. (See
+# https://lists.gnu.org/archive/html/libtool-patches/2018-05/msg00000.html)
+linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu* | uclinuxfdpiceabi)
version_type=linux
need_lib_prefix=no
need_version=no
fi
+ # Check whether --enable-cet was given.
+if test "${enable_cet+set}" = set; then :
+ enableval=$enable_cet;
+ case "$enableval" in
+ yes|no|auto) ;;
+ *) as_fn_error $? "Unknown argument to enable/disable cet" "$LINENO" 5 ;;
+ esac
+
+else
+ enable_cet=auto
+fi
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for CET support" >&5
+$as_echo_n "checking for CET support... " >&6; }
+
+case "$host" in
+ i[34567]86-*-linux* | x86_64-*-linux*)
+ may_have_cet=yes
+ cet_save_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS -fcf-protection"
+ case "$enable_cet" in
+ auto)
+ # Check if target supports multi-byte NOPs
+ # and if compiler and assembler support CET.
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+#if !defined(__SSE2__)
+#error target does not support multi-byte NOPs
+#else
+asm ("setssbsy");
+#endif
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ enable_cet=yes
+else
+ enable_cet=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ ;;
+ yes)
+ # Check if compiler and assembler support CET.
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+asm ("setssbsy");
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ support_cet=yes
+else
+ support_cet=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ if test $support_cet = "no"; then
+ if test x$enable_bootstrap != xno \
+ && test -z "${with_build_subdir}" \
+ && (test ! -f ../stage_current \
+ || test `cat ../stage_current` != "stage1"); then
+ # Require CET support only for the final GCC build.
+ as_fn_error $? "compiler and assembler with CET support are required for --enable-cet" "$LINENO" 5
+ else
+ # Don't enable CET without CET support for non-bootstrap
+ # build, in stage1 nor for build support.
+ enable_cet=no
+ fi
+ fi
+ ;;
+ esac
+ CFLAGS="$cet_save_CFLAGS"
+ ;;
+ *)
+ may_have_cet=no
+ enable_cet=no
+ ;;
+esac
+
+cet_save_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -fcf-protection=none"
+cet_save_LDFLAGS="$LDFLAGS"
+LDFLAGS="$LDFLAGS -Wl,-z,ibt,-z,shstk"
+if test x$may_have_cet = xyes; then
+ # Check whether -fcf-protection=none -Wl,-z,ibt,-z,shstk work.
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+return 0;
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ may_have_cet=yes
+else
+ may_have_cet=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+if test x$may_have_cet = xyes; then
+ if test x$cross_compiling = xno; then
+ if test "$cross_compiling" = yes; then :
+ { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "cannot run test program while cross compiling
+See \`config.log' for more details" "$LINENO" 5; }
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+ asm ("endbr32");
+ return 0;
+}
+
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+ have_multi_byte_nop=yes
+else
+ have_multi_byte_nop=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+ conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+ have_cet=no
+ if test x$have_multi_byte_nop = xyes; then
+ if test "$cross_compiling" = yes; then :
+ { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "cannot run test program while cross compiling
+See \`config.log' for more details" "$LINENO" 5; }
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+static void
+foo (void)
+{
+}
+
+static void
+__attribute__ ((noinline, noclone))
+xxx (void (*f) (void))
+{
+ f ();
+}
+
+static void
+__attribute__ ((noinline, noclone))
+bar (void)
+{
+ xxx (foo);
+}
+
+int
+main ()
+{
+ bar ();
+ return 0;
+}
+
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+ have_cet=no
+else
+ have_cet=yes
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+ conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+ fi
+ if test x$enable_cet = xno -a x$have_cet = xyes; then
+ as_fn_error $? "Intel CET must be enabled on Intel CET enabled host" "$LINENO" 5
+ fi
+ fi
+else
+ # Enable CET in cross compiler if possible so that it will run on both
+ # CET and non-CET hosts.
+ have_cet=yes
+fi
+if test x$enable_cet = xyes; then
+ CET_HOST_FLAGS="-fcf-protection"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+CFLAGS="$cet_save_CFLAGS"
+LDFLAGS="$cet_save_LDFLAGS"
+
+
+
ac_fn_c_check_decl "$LINENO" "basename" "ac_cv_have_decl_basename" "$ac_includes_default"
if test "x$ac_cv_have_decl_basename" = xyes; then :
ac_have_decl=1
$as_echo "$libcc1_cv_lib_sockets" >&6; }
LIBS="$LIBS $libcc1_cv_lib_sockets"
+case "$host" in
+ *-*-darwin*) darwin_dynamic_lookup=yes ;;
+ *) darwin_dynamic_lookup=no ;;
+esac
+ if test $darwin_dynamic_lookup = yes; then
+ DARWIN_DYNAMIC_LOOKUP_TRUE=
+ DARWIN_DYNAMIC_LOOKUP_FALSE='#'
+else
+ DARWIN_DYNAMIC_LOOKUP_TRUE='#'
+ DARWIN_DYNAMIC_LOOKUP_FALSE=
+fi
+
+
# If any of these functions are missing, simply don't bother building
# this plugin.
# Check for plugin support
as_fn_error $? "conditional \"am__fastdepCXX\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
+if test -z "${DARWIN_DYNAMIC_LOOKUP_TRUE}" && test -z "${DARWIN_DYNAMIC_LOOKUP_FALSE}"; then
+ as_fn_error $? "conditional \"DARWIN_DYNAMIC_LOOKUP\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
if test -z "${ENABLE_PLUGIN_TRUE}" && test -z "${ENABLE_PLUGIN_FALSE}"; then
as_fn_error $? "conditional \"ENABLE_PLUGIN\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
projects / thirdparty / gcc.git / blobdiff