Add a check for <unistd.h> providing a prototype for getopt() which is compatible

with the one in include/getopt.h.  If so then define HAVE_DECL_GETOPT.

1 files changed, 62 insertions, 0 deletions

diff --git a/gas/configure b/gas/configure
index 62c3df725f..00f9bcb052 100755
--- a/gas/configure
+++ b/gas/configure
@@ -10518,6 +10518,68 @@ _ACEOF
 fi
 
 
+echo "$as_me:$LINENO: checking for a known getopt prototype in unistd.h" >&5
+echo $ECHO_N "checking for a known getopt prototype in unistd.h... $ECHO_C" >&6
+if test "${gas_cv_decl_getopt_unistd_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <unistd.h>
+int
+main ()
+{
+extern int getopt (int, char *const*, const char *);
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  gas_cv_decl_getopt_unistd_h=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+gas_cv_decl_getopt_unistd_h=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+
+echo "$as_me:$LINENO: result: $gas_cv_decl_getopt_unistd_h" >&5
+echo "${ECHO_T}$gas_cv_decl_getopt_unistd_h" >&6
+if test $gas_cv_decl_getopt_unistd_h = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_DECL_GETOPT 1
+_ACEOF
+
+fi
+
 
 echo "$as_me:$LINENO: checking whether declaration is required for environ" >&5
 echo $ECHO_N "checking whether declaration is required for environ... $ECHO_C" >&6