LDFLAGS
CFLAGS
CC
+RANLIB_PLUGIN_OPTION
+AR_PLUGIN_OPTION
RANLIB
AR
host_os
PERL
BUILD_INFO
MAKEINFO
+ETAGS
NOTMAINT
MAINT
libiberty_topdir
} # ac_fn_c_check_header_compile
+# ac_fn_c_try_link LINENO
+# -----------------------
+# Try to link conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_link ()
+{
+ as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+ rm -f conftest.$ac_objext conftest$ac_exeext
+ if { { ac_try="$ac_link"
+case "(($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_link") 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 $ac_status = 0; } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext && {
+ test "$cross_compiling" = yes ||
+ test -x conftest$ac_exeext
+ }; then :
+ ac_retval=0
+else
+ $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_retval=1
+fi
+ # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
+ # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
+ # interfere with the next link command; also delete a directory that is
+ # left behind by Apple's compiler. We do this before executing the actions.
+ rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+ eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+ as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_link
+
# ac_fn_c_check_header_preproc LINENO HEADER VAR
# ----------------------------------------------
# Tests whether HEADER is present, setting the cache variable VAR accordingly.
} # ac_fn_c_check_type
-# ac_fn_c_try_link LINENO
-# -----------------------
-# Try to link conftest.$ac_ext, and return whether this succeeded.
-ac_fn_c_try_link ()
-{
- as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
- rm -f conftest.$ac_objext conftest$ac_exeext
- if { { ac_try="$ac_link"
-case "(($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_link") 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 $ac_status = 0; } && {
- test -z "$ac_c_werror_flag" ||
- test ! -s conftest.err
- } && test -s conftest$ac_exeext && {
- test "$cross_compiling" = yes ||
- test -x conftest$ac_exeext
- }; then :
- ac_retval=0
-else
- $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
- ac_retval=1
-fi
- # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
- # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
- # interfere with the next link command; also delete a directory that is
- # left behind by Apple's compiler. We do this before executing the actions.
- rm -rf conftest.dSYM conftest_ipa8_conftest.oo
- eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
- as_fn_set_status $ac_retval
-
-} # ac_fn_c_try_link
-
# ac_fn_c_check_func LINENO FUNC VAR
# ----------------------------------
# Tests whether FUNC exists, setting the cache variable VAR accordingly
-
-
# This works around the fact that libtool configuration may change LD
# for this particular configuration, but some shells, instead of
# keeping the changes in LD private, export them just because LD is
NOTMAINT=''
fi
+if test -z "$ETAGS"; then
+ ETAGS=etags
+fi
+
+
# Do we have a single-tree copy of texinfo? Even if we do, we can't
# rely on it - libiberty is built before texinfo.
# Extract the first word of "makeinfo", so it can be a program name with args.
fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -plugin option" >&5
+$as_echo_n "checking for -plugin option... " >&6; }
+
+plugin_names="liblto_plugin.so liblto_plugin-0.dll cyglto_plugin-0.dll"
+plugin_option=
+for plugin in $plugin_names; do
+ plugin_so=`${CC} ${CFLAGS} --print-prog-name $plugin`
+ if test x$plugin_so = x$plugin; then
+ plugin_so=`${CC} ${CFLAGS} --print-file-name $plugin`
+ fi
+ if test x$plugin_so != x$plugin; then
+ plugin_option="--plugin $plugin_so"
+ break
+ fi
+done
+if test -n "$ac_tool_prefix"; then
+ # Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args.
+set dummy ${ac_tool_prefix}ar; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_AR+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$AR"; then
+ ac_cv_prog_AR="$AR" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_AR="${ac_tool_prefix}ar"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+AR=$ac_cv_prog_AR
+if test -n "$AR"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AR" >&5
+$as_echo "$AR" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_AR"; then
+ ac_ct_AR=$AR
+ # Extract the first word of "ar", so it can be a program name with args.
+set dummy ar; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_AR+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$ac_ct_AR"; then
+ ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_ac_ct_AR="ar"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_AR=$ac_cv_prog_ac_ct_AR
+if test -n "$ac_ct_AR"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5
+$as_echo "$ac_ct_AR" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+ if test "x$ac_ct_AR" = x; then
+ AR=""
+ else
+ case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+ AR=$ac_ct_AR
+ fi
+else
+ AR="$ac_cv_prog_AR"
+fi
+
+if test "${AR}" = "" ; then
+ as_fn_error $? "Required archive tool 'ar' not found on PATH." "$LINENO" 5
+fi
+touch conftest.c
+${AR} $plugin_option rc conftest.a conftest.c
+if test "$?" != 0; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Failed: $AR $plugin_option rc" >&5
+$as_echo "$as_me: WARNING: Failed: $AR $plugin_option rc" >&2;}
+ plugin_option=
+fi
+rm -f conftest.*
+if test -n "$plugin_option"; then
+ PLUGIN_OPTION="$plugin_option"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $plugin_option" >&5
+$as_echo "$plugin_option" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+if test -n "$PLUGIN_OPTION"; then
+ if $AR --help 2>&1 | grep -q "\--plugin"; then
+ AR_PLUGIN_OPTION="$PLUGIN_OPTION"
+
+ fi
+ if $RANLIB --help 2>&1 | grep -q "\--plugin"; then
+ RANLIB_PLUGIN_OPTION="$PLUGIN_OPTION"
+
+ fi
+fi
+
# Add --enable-multilib to configure.
# Default to --enable-multilib
# Check whether --enable-multilib was given.
sh-*-linux* | sh[2346lbe]*-*-linux*)
PICFLAG=-fpic
;;
- # FIXME: Simplify to sh*-*-netbsd*?
- sh-*-netbsdelf* | shl*-*-netbsdelf* | sh5-*-netbsd* | sh5l*-*-netbsd* | \
- sh64-*-netbsd* | sh64l*-*-netbsd*)
+ sh*-*-netbsd*)
PICFLAG=-fpic
;;
# Default to -fPIC unless specified otherwise.
NOASANFLAG=
case " ${CFLAGS} " in
*\ -fsanitize=address\ *) NOASANFLAG=-fno-sanitize=address ;;
+ *\ -fsanitize=hwaddress\ *) NOASANFLAG=-fno-sanitize=hwaddress ;;
esac
case "$host" in
i[34567]86-*-linux* | x86_64-*-linux*)
may_have_cet=yes
- save_CFLAGS="$CFLAGS"
+ cet_save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -fcf-protection"
case "$enable_cet" in
auto)
# Check if target supports multi-byte NOPs
- # and if assembler supports CET insn.
+ # and if compiler and assembler support CET.
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
;;
yes)
- # Check if assembler supports CET.
+ # Check if compiler and assembler support CET.
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
-
+ support_cet=yes
else
- as_fn_error $? "assembler with CET support is required for --enable-cet" "$LINENO" 5
+ 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="$save_CFLAGS"
+ CFLAGS="$cet_save_CFLAGS"
;;
*)
may_have_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$may_have_cet = xyes; then
- save_LDFLAGS="$LDFLAGS"
- LDFLAGS="$LDFLAGS -Wl,-z,ibt,-z,shstk"
- if test "$cross_compiling" = yes; then :
+ # Check whether -fcf-protection=none -Wl,-z,ibt,-z,shstk work.
+ if test x$gcc_no_link = xyes; then
+ as_fn_error $? "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
+fi
+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 $? "cannot run test program while cross compiling
conftest.$ac_objext conftest.beam conftest.$ac_ext
fi
- LDFLAGS="$save_LDFLAGS"
- 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
+ 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: no" >&5
$as_echo "no" >&6; }
fi
+CFLAGS="$cet_save_CFLAGS"
+LDFLAGS="$cet_save_LDFLAGS"
checkfuncs="__fsetlocking canonicalize_file_name dup3 getrlimit getrusage \
getsysinfo gettimeofday on_exit pipe2 psignal pstat_getdynamic pstat_getstatic \
- realpath setrlimit sbrk spawnve spawnvpe strerror strsignal sysconf sysctl \
+ realpath setrlimit spawnve spawnvpe strerror strsignal sysconf sysctl \
sysmp table times wait3 wait4"
+# Darwin has sbrk, but it is deprecated and that produces build-time warnings
+# so do not check for it.
+case "${host}" in
+ *-*-darwin*) ;;
+ *) checkfuncs="$checkfuncs sbrk"
+esac
+
# These are neither executed nor required, but they help keep
# autoheader happy without adding a bunch of text to acconfig.h.
if test "x" = "y"; then
ac_cv_func_getpagesize=yes
;;
+ hppa*-*-hpux*)
+ # Replace system snprintf and vsnprintf with libiberty implementations.
+ case " $LIBOBJS " in
+ *" snprintf.$ac_objext "* ) ;;
+ *) LIBOBJS="$LIBOBJS snprintf.$ac_objext"
+ ;;
+esac
+
+ case " $LIBOBJS " in
+ *" vsnprintf.$ac_objext "* ) ;;
+ *) LIBOBJS="$LIBOBJS vsnprintf.$ac_objext"
+ ;;
+esac
+
+ ;;
+
*-*-mingw32*)
# Under mingw32, sys_nerr and sys_errlist exist, but they are
# macros, so the test below won't find them.
fi
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
-int *p;
+extern int $v [];
int
main ()
{
-extern int $v []; p = $v;
+if ($v [0]) return 1;
;
return 0;
}
cat >>confdefs.h <<_ACEOF
#define HAVE_DECL_REALLOC $ac_have_decl
_ACEOF
-ac_fn_c_check_decl "$LINENO" "sbrk" "ac_cv_have_decl_sbrk" "$ac_includes_default"
+
+ case "${host}" in
+ *-*-darwin*) ;; # Darwin's sbrk implementation is deprecated.
+ *) ac_fn_c_check_decl "$LINENO" "sbrk" "ac_cv_have_decl_sbrk" "$ac_includes_default"
if test "x$ac_cv_have_decl_sbrk" = xyes; then :
ac_have_decl=1
else
cat >>confdefs.h <<_ACEOF
#define HAVE_DECL_SBRK $ac_have_decl
_ACEOF
-
+;;
+ esac
ac_fn_c_check_decl "$LINENO" "strtol" "ac_cv_have_decl_strtol" "$ac_includes_default"
if test "x$ac_cv_have_decl_strtol" = xyes; then :
ac_have_decl=1
projects / binutils-gdb.git / blobdiff