WARN_CXXFLAGS
NO_WERROR
WARN_CFLAGS
+IFUNC_STATIC_FALSE
+IFUNC_STATIC_TRUE
IFUNC_FALSE
IFUNC_TRUE
RANDOM_SEED_CFLAGS
LDFLAGS
CFLAGS
CC
+NM
TARGETOBJS
DEFAULT_TARGET_X86_64_FALSE
DEFAULT_TARGET_X86_64_TRUE
_ACEOF
+if test -n "$ac_tool_prefix"; then
+ # Extract the first word of "${ac_tool_prefix}nm", so it can be a program name with args.
+set dummy ${ac_tool_prefix}nm; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_NM+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$NM"; then
+ ac_cv_prog_NM="$NM" # Let the user override the test.
+else
+as_save_IFS=$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 '' $ac_executable_extensions; do
+ if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+ ac_cv_prog_NM="${ac_tool_prefix}nm"
+ $as_echo "$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
+NM=$ac_cv_prog_NM
+if test -n "$NM"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $NM" >&5
+$as_echo "$NM" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_NM"; then
+ ac_ct_NM=$NM
+ # Extract the first word of "nm", so it can be a program name with args.
+set dummy nm; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_NM+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$ac_ct_NM"; then
+ ac_cv_prog_ac_ct_NM="$ac_ct_NM" # Let the user override the test.
+else
+as_save_IFS=$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 '' $ac_executable_extensions; do
+ if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+ ac_cv_prog_ac_ct_NM="nm"
+ $as_echo "$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_NM=$ac_cv_prog_ac_ct_NM
+if test -n "$ac_ct_NM"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_NM" >&5
+$as_echo "$ac_ct_NM" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+ if test "x$ac_ct_NM" = x; then
+ NM=""
+ 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
+ NM=$ac_ct_NM
+ fi
+else
+ NM="$ac_cv_prog_NM"
+fi
+
+
ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for glibc >= 2.11" >&5
-$as_echo_n "checking for glibc >= 2.11... " >&6; }
-if test "${gold_cv_lib_glibc2_11+set}" = set; then :
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for glibc ifunc support" >&5
+$as_echo_n "checking for glibc ifunc support... " >&6; }
+if test "${gold_cv_lib_glibc_ifunc+set}" = set; then :
$as_echo_n "(cached) " >&6
else
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+ save_LDFLAGS="$LDFLAGS"
+LDFLAGS="$LDFLAGS -static"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <features.h>
#elif __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 11)
error
#endif
-__asm__(".type foo, %gnu_indirect_function");
+void func (void) { }
+void invoke (void);
+__asm__(".type invoke, %gnu_indirect_function");
+typedef void (*funcptr) (void);
+funcptr dispatch (void) __asm__ ("invoke");
+funcptr dispatch (void) { return &func; }
+int
+main ()
+{
+invoke();
+ ;
+ return 0;
+}
_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- gold_cv_lib_glibc2_11=yes
+if ac_fn_c_try_link "$LINENO"; then :
+
+if ${NM} conftest$EXEEXT | grep "__rela\?_iplt_start" >/dev/null 2>&1; then
+ gold_cv_lib_glibc_ifunc=both
else
- gold_cv_lib_glibc2_11=no
+ gold_cv_lib_glibc_ifunc=dyn
fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+else
+ gold_cv_lib_glibc_ifunc=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+LDFLAGS="$save_LDFLAGS"
fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gold_cv_lib_glibc2_11" >&5
-$as_echo "$gold_cv_lib_glibc2_11" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gold_cv_lib_glibc_ifunc" >&5
+$as_echo "$gold_cv_lib_glibc_ifunc" >&6; }
- if test "$gold_cv_lib_glibc2_11" = "yes"; then
+ if test "$gold_cv_lib_glibc_ifunc" != "no"; then
IFUNC_TRUE=
IFUNC_FALSE='#'
else
IFUNC_FALSE=
fi
+ if test "$gold_cv_lib_glibc_ifunc" = "both"; then
+ IFUNC_STATIC_TRUE=
+ IFUNC_STATIC_FALSE='#'
+else
+ IFUNC_STATIC_TRUE='#'
+ IFUNC_STATIC_FALSE=
+fi
+
GCC_WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
as_fn_error "conditional \"IFUNC\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
+if test -z "${IFUNC_STATIC_TRUE}" && test -z "${IFUNC_STATIC_FALSE}"; then
+ as_fn_error "conditional \"IFUNC_STATIC\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
if test -z "${HAVE_ZLIB_TRUE}" && test -z "${HAVE_ZLIB_FALSE}"; then
as_fn_error "conditional \"HAVE_ZLIB\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
projects / deliverable / binutils-gdb.git / blobdiff