X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=m4%2Fgetopt.m4;h=dcd333ba3a13bb36bd703a24400e1e3d003fa52d;hb=47d388a0d92a7bf22ec80fd9438041fe412d41d9;hp=d796148a5dac7339afcde459c3793f715eca7e0f;hpb=4a97623583fc994fe76b632c3e0a92a143366e8b;p=gnulib.git

diff --git a/m4/getopt.m4 b/m4/getopt.m4
index d796148a5..dcd333ba3 100644
--- a/m4/getopt.m4
+++ b/m4/getopt.m4
@@ -1,4 +1,4 @@
-# getopt.m4 serial 5
+# getopt.m4 serial 6
 dnl Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
 dnl This file is free software, distributed under the terms of the GNU
 dnl General Public License.  As a special exception to the GNU General
@@ -15,20 +15,9 @@ AC_DEFUN([gl_GETOPT_SUBSTITUTE],
   GETOPT_H=getopt.h
   AC_LIBOBJ([getopt])
   AC_LIBOBJ([getopt1])
-  AC_DEFINE([optarg], [rpl_optarg],
-    [Define to rpl_optarg if the replacement variable should be used.])
-  AC_DEFINE([optind], [rpl_optind],
-    [Define to rpl_optind if the replacement variable should be used.])
-  AC_DEFINE([opterr], [rpl_opterr],
-    [Define to rpl_opterr if the replacement variable should be used.])
-  AC_DEFINE([optopt], [rpl_optopt],
-    [Define to rpl_optopt if the replacement variable should be used.])
-  AC_DEFINE([getopt], [rpl_getopt],
-    [Define to rpl_getopt if the replacement function should be used.])
-  AC_DEFINE([getopt_long], [rpl_getopt_long],
-    [Define to rpl_getopt_long if the replacement function should be used.])
-  AC_DEFINE([getopt_long_only], [rpl_getopt_long_only],
-    [Define to rpl_getopt_long_only if the replacement function should be used.])
+  AC_DEFINE([__GETOPT_PREFIX], [[rpl_]],
+    [Define to rpl_ if the getopt replacement functions and variables
+     should be used.])
   AC_SUBST([GETOPT_H])
 ])
 
@@ -36,16 +25,18 @@ AC_DEFUN([gl_GETOPT],
 [
   gl_PREREQ_GETOPT
 
-  GETOPT_H=
-  AC_CHECK_HEADERS([getopt.h], [], [GETOPT_H=getopt.h])
-  AC_CHECK_FUNCS([getopt_long_only], [], [GETOPT_H=getopt.h])
+  if test -z "$GETOPT_H"; then
+    GETOPT_H=
+    AC_CHECK_HEADERS([getopt.h], [], [GETOPT_H=getopt.h])
+    AC_CHECK_FUNCS([getopt_long_only], [], [GETOPT_H=getopt.h])
 
-  dnl BSD getopt_long uses an incompatible method to reset option processing,
-  dnl and (as of 2004-10-15) mishandles optional option-arguments.
-  AC_CHECK_DECL([optreset], [GETOPT_H=getopt.h], [], [#include <getopt.h>])
+    dnl BSD getopt_long uses an incompatible method to reset option processing,
+    dnl and (as of 2004-10-15) mishandles optional option-arguments.
+    AC_CHECK_DECL([optreset], [GETOPT_H=getopt.h], [], [#include <getopt.h>])
 
-  if test -n "$GETOPT_H"; then
-     gl_GETOPT_SUBSTITUTE
+    if test -n "$GETOPT_H"; then
+      gl_GETOPT_SUBSTITUTE
+    fi
   fi
 ])