(jm_FUNC_GETGROUPS): Rewrite to use AC_FUNC_GETGROUPS

and (if needed) to call AC_LIBOBJ and to set GETGROUPS_LIB.

diff --git a/m4/getgroups.m4 b/m4/getgroups.m4
index 094cfd2d4503078b4e36a8915faa91b5733199d7..8f31010562545a4d20777b03ee3afe045f970cf3 100644 (file)
--- a/m4/getgroups.m4
+++ b/m4/getgroups.m4
@@ -1,22 +1,18 @@
-#serial 6
+#serial 8
 
 dnl From Jim Meyering.
-dnl
-dnl Invoking code should check $GETGROUPS_LIB something like this:
-dnl  jm_FUNC_GETGROUPS
-dnl  test -n "$GETGROUPS_LIB" && LIBS="$GETGROUPS_LIB $LIBS"
-dnl
+dnl A wrapper around AC_FUNC_GETGROUPS.
 
 AC_DEFUN([jm_FUNC_GETGROUPS],
 [
   AC_REQUIRE([AC_FUNC_GETGROUPS])
-  AC_SUBST([GETGROUPS_LIB])
   if test $ac_cv_func_getgroups_works = no; then
     AC_LIBOBJ(getgroups)
     AC_DEFINE(getgroups, rpl_getgroups,
       [Define as rpl_getgroups if getgroups doesn't work right.])
     gl_PREREQ_GETGROUPS
   fi
+  test -n "$GETGROUPS_LIB" && LIBS="$GETGROUPS_LIB $LIBS"
 ])
 
 # Prerequisites of lib/getgroups.c.