X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fgroup-member.m4;h=1e3939dc070e10014afb21caedb3750016dc4e5d;hb=aadf332a5c5f209affd38c35b4e9faaa8a0adecb;hp=d5e96c8746771f9c79cd6fad72d0fa3712ed4dda;hpb=62a39c7d945eb4160c206242b85c624fb2fb21fd;p=gnulib.git

diff --git a/m4/group-member.m4 b/m4/group-member.m4
index d5e96c874..1e3939dc0 100644
--- a/m4/group-member.m4
+++ b/m4/group-member.m4
@@ -1,6 +1,7 @@
-#serial 8
+# serial 12
+
+# Copyright (C) 1999-2001, 2003-2007, 2009-2010 Free Software Foundation, Inc.
 
-# Copyright (C) 1999, 2000, 2001, 2003, 2004, 2005 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.
@@ -9,15 +10,13 @@ dnl Written by Jim Meyering
 
 AC_DEFUN([gl_FUNC_GROUP_MEMBER],
 [
-  AC_LIBSOURCES([group-member.c, group-member.h])
-
   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
   ])
 ])
@@ -25,6 +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])
 ])