X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=include%2Fgetopt.h;h=583d4f6d054cd0e4acdb1d6fb9ba9c1d7a957fa1;hb=f16a9783c5f085443d806646074e9c06fdee9a88;hp=fb30719a8602a3b800bc55af73c39ab64ce4c6f6;hpb=5b64ad42d36e6d487e1f7287d37fbc243a178e72;p=deliverable%2Fbinutils-gdb.git

diff --git a/include/getopt.h b/include/getopt.h
index fb30719a86..583d4f6d05 100644
--- a/include/getopt.h
+++ b/include/getopt.h
@@ -1,5 +1,5 @@
 /* Declarations for getopt.
-   Copyright (C) 1989,90,91,92,93,94,96,97 Free Software Foundation, Inc.
+   Copyright (C) 1989-2019 Free Software Foundation, Inc.
 
    NOTE: The canonical source of this file is maintained with the GNU C Library.
    Bugs can be reported to bug-glibc@gnu.org.
@@ -16,7 +16,7 @@
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301,
    USA.  */
 
 #ifndef _GETOPT_H
@@ -99,14 +99,24 @@ struct option
 #define optional_argument	2
 
 #if defined (__STDC__) && __STDC__
-#ifdef __GNU_LIBRARY__
+/* HAVE_DECL_* is a three-state macro: undefined, 0 or 1.  If it is
+   undefined, we haven't run the autoconf check so provide the
+   declaration without arguments.  If it is 0, we checked and failed
+   to find the declaration so provide a fully prototyped one.  If it
+   is 1, we found it so don't provide any declaration at all.  */
+#if !HAVE_DECL_GETOPT
+#if defined (__GNU_LIBRARY__) || defined (HAVE_DECL_GETOPT)
 /* Many other libraries have conflicting prototypes for getopt, with
-   differences in the consts, in stdlib.h.  To avoid compilation
+   differences in the consts, in unistd.h.  To avoid compilation
    errors, only prototype getopt for the GNU C library.  */
 extern int getopt (int argc, char *const *argv, const char *shortopts);
-#else /* not __GNU_LIBRARY__ */
+#else
+#ifndef __cplusplus
 extern int getopt ();
-#endif /* __GNU_LIBRARY__ */
+#endif /* __cplusplus */
+#endif
+#endif /* !HAVE_DECL_GETOPT */
+
 extern int getopt_long (int argc, char *const *argv, const char *shortopts,
 		        const struct option *longopts, int *longind);
 extern int getopt_long_only (int argc, char *const *argv,