summaryrefslogtreecommitdiff
path: root/m4/uptime.m4
diff options
context:
space:
mode:
Diffstat (limited to 'm4/uptime.m4')
-rw-r--r--m4/uptime.m47
1 files changed, 5 insertions, 2 deletions
diff --git a/m4/uptime.m4 b/m4/uptime.m4
index 5df098c7f..86570fa31 100644
--- a/m4/uptime.m4
+++ b/m4/uptime.m4
@@ -1,4 +1,6 @@
-#serial 1
+#serial 2
+
+AC_PREREQ(2.13)
AC_DEFUN(jm_SYS_PROC_UPTIME,
[ dnl Require AC_PROG_CC to see if we're cross compiling.
@@ -10,6 +12,7 @@ AC_DEFUN(jm_SYS_PROC_UPTIME,
&& 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)
+ AC_DEFINE(HAVE_PROC_UPTIME, 1,
+ [ Define if your system has the /proc/uptime special file.])
fi
])