Use NetBSD's getopt{,_long}.

gnu/dist/diffutils/diff.c

@@ -23,7 +23,7 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #define GDIFF_MAIN
 #include "diff.h"
 #include <signal.h>
-#include "getopt.h"
+#include <getopt.h>
 #include "fnmatch.h"
 
 #ifndef DEFAULT_WIDTH

gnu/dist/diffutils/diff3.c

@@ -20,7 +20,7 @@
 #include "system.h"
 #include <stdio.h>
 #include <signal.h>
-#include "getopt.h"
+#include <getopt.h>
 
 extern char const version_string[];
 

gnu/dist/diffutils/sdiff.c

@@ -22,7 +22,7 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #include "system.h"
 #include <stdio.h>
 #include <signal.h>
-#include "getopt.h"
+#include <getopt.h>
 
 /* Size of chunks read from files which must be parsed into lines. */
 #define SDIFF_BUFSIZE ((size_t) 65536)

gnu/usr.bin/diff/Makefile

@@ -1,8 +1,8 @@
-#	$NetBSD: Makefile,v 1.13 1999/07/30 04:07:24 mycroft Exp $
+#	$NetBSD: Makefile,v 1.14 2000/11/01 14:34:14 wiz Exp $
 
 PROG=		diff
 SRCS=		diff.c analyze.c cmpbuf.c io.c context.c ed.c normal.c util.c \
-		dir.c regex.c side.c ifdef.c version.c getopt.c getopt1.c
+		dir.c regex.c side.c ifdef.c version.c
 
 CPPFLAGS+=	-DHAVE_CONFIG_H -I${.CURDIR} -I${DIST}/diffutils \
 		-DPR_PROGRAM=\"/usr/bin/pr\"

gnu/usr.bin/diff3/Makefile

@@ -1,7 +1,7 @@
-#	$NetBSD: Makefile,v 1.11 1999/07/30 04:07:24 mycroft Exp $
+#	$NetBSD: Makefile,v 1.12 2000/11/01 14:34:14 wiz Exp $
 
 PROG=		diff3
-SRCS=		diff3.c getopt.c getopt1.c version.c
+SRCS=		diff3.c version.c
 CPPFLAGS+=	-I${.CURDIR}/../diff -I${DIST}/diffutils \
 		-DHAVE_CONFIG_H -DDIFF_PROGRAM=\"/usr/bin/diff\"
 

gnu/usr.bin/sdiff/Makefile

@@ -1,7 +1,7 @@
-#	$NetBSD: Makefile,v 1.10 1999/07/30 04:07:26 mycroft Exp $
+#	$NetBSD: Makefile,v 1.11 2000/11/01 14:34:15 wiz Exp $
 
 PROG=		sdiff
-SRCS=		sdiff.c getopt.c getopt1.c version.c
+SRCS=		sdiff.c version.c
 CPPFLAGS+=	-I${.CURDIR}/../diff -I${DIST}/diffutils \
 		-DHAVE_CONFIG_H -DDIFF_PROGRAM=\"/usr/bin/diff\"