X-Git-Url: https://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fuptime.m4;h=d07ccb70dccc7648dfaad9587cbcacb69f711e2b;hb=563a0ca5af7e984098ebe90d85a9ff7abe504581;hp=5df098c7f1528e0a85f0410627d27a6bb2cae3c6;hpb=409d8f2d902cc6e12e40b08200f5dac27d0e98cb;p=gnulib.git

diff --git a/m4/uptime.m4 b/m4/uptime.m4
index 5df098c7f..d07ccb70d 100644
--- a/m4/uptime.m4
+++ b/m4/uptime.m4
@@ -1,15 +1,23 @@
-#serial 1
+# serial 8
 
-AC_DEFUN(jm_SYS_PROC_UPTIME,
+# Copyright (C) 1996, 1999-2001, 2004, 2009-2011 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_PREREQ([2.13])
+
+AC_DEFUN([gl_SYS_PROC_UPTIME],
 [ dnl Require AC_PROG_CC to see if we're cross compiling.
   AC_REQUIRE([AC_PROG_CC])
-  AC_CACHE_CHECK([for /proc/uptime], jm_cv_have_proc_uptime,
-  [jm_cv_have_proc_uptime=no
+  AC_CACHE_CHECK([for /proc/uptime], [gl_cv_have_proc_uptime],
+  [gl_cv_have_proc_uptime=no
     test -f /proc/uptime \
-      && test $ac_cv_prog_cc_cross = no \
+      && test "$cross_compiling" = no \
       && cat < /proc/uptime >/dev/null 2>/dev/null \
-      && jm_cv_have_proc_uptime=yes])
-  if test $jm_cv_have_proc_uptime = yes; then
-    AC_DEFINE(HAVE_PROC_UPTIME)
+      && gl_cv_have_proc_uptime=yes])
+  if test $gl_cv_have_proc_uptime = yes; then
+    AC_DEFINE([HAVE_PROC_UPTIME], [1],
+              [  Define if your system has the /proc/uptime special file.])
   fi
 ])