X-Git-Url: https://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fgroup-member.m4;h=1e3939dc070e10014afb21caedb3750016dc4e5d;hb=87c5f6fccee477f7e2c67ea4c95e51a3afd83a41;hp=6adc6fa63002946282a7ccb7385e2ce90c24c61a;hpb=a965c0038c4b72af2497d3ec44aeb4587c2478d5;p=gnulib.git

diff --git a/m4/group-member.m4 b/m4/group-member.m4
index 6adc6fa63..1e3939dc0 100644
--- a/m4/group-member.m4
+++ b/m4/group-member.m4
@@ -1,11 +1,28 @@
-#serial 2
+# 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(jm_FUNC_GROUP_MEMBER,
-  [
-    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_DEFUN([gl_FUNC_GROUP_MEMBER],
+[
+  dnl Persuade glibc <unistd.h> to declare group_member().
+  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])
+    gl_PREREQ_GROUP_MEMBER
+  ])
+])
+
+# Prerequisites of lib/group-member.c.
+AC_DEFUN([gl_PREREQ_GROUP_MEMBER],
+[
+  AC_REQUIRE([AC_FUNC_GETGROUPS])
+])