X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fgroup-member.m4;h=1e3939dc070e10014afb21caedb3750016dc4e5d;hb=f1195ccd1ee2cd56ed6b82a76fdee8de0c3d78b7;hp=c9fd3436b80d8851f81be66b2a2fc474dc9ae2cb;hpb=23fe10e274cf20fb2cb75ea1da9556a733106657;p=gnulib.git

diff --git a/m4/group-member.m4 b/m4/group-member.m4
index c9fd3436b..1e3939dc0 100644
--- a/m4/group-member.m4
+++ b/m4/group-member.m4
@@ -1,16 +1,22 @@
-#serial 6
+# serial 12
+
+# Copyright (C) 1999-2001, 2003-2007, 2009-2010 Free Software Foundation, Inc.
+
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
 
 dnl Written by Jim Meyering
 
 AC_DEFUN([gl_FUNC_GROUP_MEMBER],
 [
   dnl Persuade glibc <unistd.h> to declare group_member().
-  AC_REQUIRE([AC_GNU_SOURCE])
+  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
 
   dnl Do this replacement check manually because I want the hyphen
   dnl (not the underscore) in the filename.
-  AC_CHECK_FUNC(group_member, , [
-    AC_LIBOBJ(group-member)
+  AC_CHECK_FUNC([group_member], , [
+    AC_LIBOBJ([group-member])
     gl_PREREQ_GROUP_MEMBER
   ])
 ])
@@ -18,6 +24,5 @@ AC_DEFUN([gl_FUNC_GROUP_MEMBER],
 # Prerequisites of lib/group-member.c.
 AC_DEFUN([gl_PREREQ_GROUP_MEMBER],
 [
-  AC_CHECK_HEADERS_ONCE(unistd.h)
   AC_REQUIRE([AC_FUNC_GETGROUPS])
 ])