New module 'longlong'.

[gnulib.git] / m4 / getgroups.m4

diff --git a/m4/getgroups.m4 b/m4/getgroups.m4
index 7b94162..edc2bde 100644 (file)
--- a/m4/getgroups.m4
+++ b/m4/getgroups.m4
@@ -1,31 +1,29 @@
-#serial 1
+#serial 10
 
 dnl From Jim Meyering.
-dnl If you use this macro in a package, you should
-dnl add the following two lines to acconfig.h:
-dnl  /* Define to rpl_getgroups if the replacement function should be used.  */
-dnl  #undef getgroups
-dnl
+dnl A wrapper around AC_FUNC_GETGROUPS.
 
-AC_DEFUN(jm_FUNC_GETGROUPS,
-[AC_REQUIRE([AC_TYPE_GETGROUPS])dnl
- AC_REQUIRE([AC_TYPE_SIZE_T])dnl
- AC_CACHE_CHECK([for working getgroups], jm_cv_func_working_getgroups,
-  [AC_TRY_RUN([
-    int
-    main ()
-    {
-      /* On Ultrix 4.3, getgroups (0, 0) always fails.  */
-      exit (getgroups (0, 0) == -1 ? 1 : 0);
-    }
-             ],
-            jm_cv_func_working_getgroups=yes,
-             jm_cv_func_working_getgroups=no,
-            dnl When crosscompiling, assume getgroups is broken.
-            jm_cv_func_working_getgroups=no)
-  ])
-  if test $jm_cv_func_working_getgroups = no; then
-    LIBOBJS="$LIBOBJS getgroups.o"
-    AC_DEFINE_UNQUOTED(getgroups, rpl_getgroups)
+# Copyright (C) 1996, 1997, 1999, 2000, 2001, 2002, 2003, 2004 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.
+
+AC_DEFUN([gl_FUNC_GETGROUPS],
+[
+  AC_REQUIRE([AC_FUNC_GETGROUPS])
+  if test $ac_cv_func_getgroups_works = no; then
+    AC_LIBOBJ(getgroups)
+    AC_DEFINE(getgroups, rpl_getgroups,
+      [Define as rpl_getgroups if getgroups doesn't work right.])
+    gl_PREREQ_GETGROUPS
   fi
+  test -n "$GETGROUPS_LIB" && LIBS="$GETGROUPS_LIB $LIBS"
+])
+
+# Prerequisites of lib/getgroups.c.
+AC_DEFUN([gl_PREREQ_GETGROUPS],
+[
+  AC_REQUIRE([AC_TYPE_GETGROUPS])
 ])