An independent .m4 file for each module.

[gnulib.git] / m4 / getgroups.m4

diff --git a/m4/getgroups.m4 b/m4/getgroups.m4
index e0f3359..094cfd2 100644 (file)
--- a/m4/getgroups.m4
+++ b/m4/getgroups.m4
@@ -1,4 +1,4 @@
-#serial 5
+#serial 6
 
 dnl From Jim Meyering.
 dnl
@@ -8,39 +8,19 @@ dnl  test -n "$GETGROUPS_LIB" && LIBS="$GETGROUPS_LIB $LIBS"
 dnl
 
 AC_DEFUN([jm_FUNC_GETGROUPS],
-[AC_REQUIRE([AC_TYPE_GETGROUPS])dnl
- AC_REQUIRE([AC_TYPE_SIZE_T])dnl
- AC_CHECK_FUNCS(getgroups)
-
- # If we don't yet have getgroups, see if it's in -lbsd.
- # This is reported to be necessary on an ITOS 3000WS running SEIUX 3.1.
- if test $ac_cv_func_getgroups = no; then
-   jm_cv_sys_getgroups_saved_lib="$LIBS"
-   AC_CHECK_LIB(bsd, getgroups, [GETGROUPS_LIB=-lbsd])
-   LIBS="$jm_cv_sys_getgroups_saved_lib"
- fi
-
- # Run the program to test the functionality of the system-supplied
- # getgroups function only if there is such a function.
- if test $ac_cv_func_getgroups = yes; then
-   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
-      AC_LIBOBJ(getgroups)
-      AC_DEFINE(getgroups, rpl_getgroups,
-       [Define as rpl_getgroups if getgroups doesn't work right.])
-    fi
+[
+  AC_REQUIRE([AC_FUNC_GETGROUPS])
+  AC_SUBST([GETGROUPS_LIB])
+  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
 ])
+
+# Prerequisites of lib/getgroups.c.
+AC_DEFUN([gl_PREREQ_GETGROUPS],
+[
+  AC_REQUIRE([AC_TYPE_GETGROUPS])
+])