From: Jim Meyering <jim@meyering.net>
Date: Fri, 19 Dec 2003 21:48:35 +0000 (+0000)
Subject: (gl_CLOCK_TIME): Don't set LIB_CLOCK_GETTIME if no library is required.
X-Git-Tag: v5.1.0~36
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ddf8b7b638f6a9a78d7b761ec86900aa4d1a05b1;p=thirdparty%2Fcoreutils.git

(gl_CLOCK_TIME): Don't set LIB_CLOCK_GETTIME if no library is required.
---

diff --git a/m4/clock_time.m4 b/m4/clock_time.m4
index e7e4e29acd..6cd7c6a3b9 100644
--- a/m4/clock_time.m4
+++ b/m4/clock_time.m4
@@ -1,4 +1,4 @@
-# clock_time.m4 serial 2
+# clock_time.m4 serial 3
 dnl Copyright (C) 2002, 2003 Free Software Foundation, Inc.
 dnl This file is free software, distributed under the terms of the GNU
 dnl General Public License.  As a special exception to the GNU General
@@ -17,7 +17,8 @@ AC_DEFUN([gl_CLOCK_TIME],
   # library, inducing unnecessary run-time overhead.
   fetish_saved_libs=$LIBS
     AC_SEARCH_LIBS(clock_gettime, [rt posix4],
-                   [LIB_CLOCK_GETTIME=$ac_cv_search_clock_gettime])
+                   [LIB_CLOCK_GETTIME=$ac_cv_search_clock_gettime
+                   test -z "$LIB_CLOCK_GETTIME" && LIB_CLOCK_GETTIME=])
     AC_SUBST(LIB_CLOCK_GETTIME)
     AC_CHECK_FUNCS(clock_gettime clock_settime)
   LIBS=$fetish_saved_libs