From 2b47cfe6ebd7d1c6fd0b2a2086ec55adc7537d8a Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Thu, 29 Jan 2004 20:38:52 +0000
Subject: Avoid a configure-time warning about sys/ucred.h on OSF V4.0.

Test for sys/ucred.h separately, since
on some systems one must include <grp.h> before it.
---
 m4/ls-mntd-fs.m4 | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'm4/ls-mntd-fs.m4')

diff --git a/m4/ls-mntd-fs.m4 b/m4/ls-mntd-fs.m4
index 26d64d74b..c28466bb0 100644
--- a/m4/ls-mntd-fs.m4
+++ b/m4/ls-mntd-fs.m4
@@ -1,4 +1,4 @@
-#serial 13
+#serial 14
 
 dnl From Jim Meyering.
 dnl
@@ -11,13 +11,19 @@ AC_DEFUN([jm_LIST_MOUNTED_FILESYSTEMS],
   [
 AC_CHECK_FUNCS(listmntent getmntinfo)
 AC_CHECK_HEADERS_ONCE(sys/param.h)
-AC_CHECK_HEADERS(mntent.h sys/ucred.h sys/mount.h sys/fs_types.h)
+
+# We must include grp.h before ucred.h on OSF V4.0, since ucred.h uses
+# NGROUPS (as the array dimension for a struct member) without a definition.
+AC_CHECK_HEADERS(sys/ucred.h, [], [], [#include <grp.h>])
+
+AC_CHECK_HEADERS(mntent.h sys/mount.h sys/fs_types.h)
     getfsstat_includes="\
 $ac_includes_default
 #if HAVE_SYS_PARAM_H
 # include <sys/param.h> /* needed by powerpc-apple-darwin1.3.7 */
 #endif
 #if HAVE_SYS_UCRED_H
+# include <grp.h> /* needed for definition of NGROUPS */
 # include <sys/ucred.h> /* needed by powerpc-apple-darwin1.3.7 */
 #endif
 #if HAVE_SYS_MOUNT_H
-- 
cgit v1.2.3-54-g00ecf