maint: update copyright

[gnulib.git] / m4 / uptime.m4

diff --git a/m4/uptime.m4 b/m4/uptime.m4
index 53323bf..47a90a1 100644 (file)
--- a/m4/uptime.m4
+++ b/m4/uptime.m4
@@ -1,18 +1,23 @@
-#serial 6
+# serial 8
 
-AC_PREREQ(2.13)
+# Copyright (C) 1996, 1999-2001, 2004, 2009-2014 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 "$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, 1,
-             [  Define if your system has the /proc/uptime special file.])
+      && 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
 ])