Fix .ctors/.dtors header configure test for bootstrapping.

1 files changed, 22 insertions, 19 deletions

diff --git a/configure b/configure
index 7c5acce6bc..f415389a34 100755
--- a/configure
+++ b/configure
@@ -5999,17 +5999,19 @@ else
   cat > conftest.c <<EOF
 int _start (void) { return 0; }
 int __start (void) { return 0; }
+
 int foo (void) { return 1; }
 int (*fp) (void) __attribute__ ((section (".init_array"))) = foo;
+
 EOF
-if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -o conftest conftest.c
-		   -static -nostartfiles -nostdlib 1>&5'
+if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -o conftest
+		       conftest.c -static -nostartfiles -nostdlib
+		       1>&5'
   { { eval echo "\"\$as_me\":${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
+  test $ac_status = 0; }; }; then :
   if $READELF -S conftest | fgrep INIT_ARRAY > /dev/null; then
     libc_cv_initfini_array=yes
   else
@@ -6019,6 +6021,7 @@ else
   libc_cv_initfini_array=no
 fi
 rm -f conftest*
+
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_initfini_array" >&5
 $as_echo "$libc_cv_initfini_array" >&6; }
@@ -6032,21 +6035,22 @@ if ${libc_cv_ctors_header+:} false; then :
   $as_echo_n "(cached) " >&6
 else
     libc_cv_ctors_header=yes
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-int
-main ()
-{
+  cat > conftest.c <<EOF
+int _start (void) { return 0; }
+int __start (void) { return 0; }
 
-__attribute__ ((constructor)) void ctor (void) { puts("ctor"); }
-__attribute__ ((destructor))  void dtor (void) { puts("dtor"); }
+__attribute__ ((constructor)) void ctor (void) { asm (""); }
+__attribute__ ((destructor))  void dtor (void) { asm (""); }
 
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
+EOF
+if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -o conftest
+		       conftest.c -static -nostartfiles -nostdlib
+		       1>&5'
+  { { eval echo "\"\$as_me\":${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 :
         if $READELF -WS conftest$ac_exeext | $AWK '
 	{ gsub(/\[ */, "[") }
 	$2 == ".ctors" || $2 == ".dtors" {
@@ -6068,8 +6072,7 @@ else
         as_fn_error $? "missing __attribute__ ((constructor)) support??" "$LINENO" 5
 
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
+rm -f conftest*
 
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ctors_header" >&5