- (dtucker) [configure.ac misc.c] Look for clock_gettime in librt and fall

   back to time(NULL) if we can't find it anywhere.

3 files changed, 11 insertions, 2 deletions

diff --git a/ChangeLog b/ChangeLog
index 7f4323e07..50ce1b736 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -54,6 +54,8 @@
    openbsd-compat/getrrsetbyname-ldns.c openbsd-compat/port-aix.c
    openbsd-compat/port-linux.c] Replace portable-specific instances of xfree
    with the equivalent calls to free.
+ - (dtucker) [configure.ac misc.c] Look for clock_gettime in librt and fall
+   back to time(NULL) if we can't find it anywhere.
 
 20130529
   - (dtucker) [configure.ac openbsd-compat/bsd-misc.h] bz#2087: Add a null
diff --git a/configure.ac b/configure.ac
index d35a19bcc..1b64d11ae 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-# $Id: configure.ac,v 1.527 2013/06/01 21:18:48 dtucker Exp $
+# $Id: configure.ac,v 1.528 2013/06/01 22:18:32 dtucker Exp $
 #
 # Copyright (c) 1999-2004 Damien Miller
 #
@@ -15,7 +15,7 @@
 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
 AC_INIT([OpenSSH], [Portable], [openssh-unix-dev@mindrot.org])
-AC_REVISION($Revision: 1.527 $)
+AC_REVISION($Revision: 1.528 $)
 AC_CONFIG_SRCDIR([ssh.c])
 AC_LANG([C])
 
@@ -1648,6 +1648,9 @@ const char *gai_strerror(int);
 AC_SEARCH_LIBS([nanosleep], [rt posix4], [AC_DEFINE([HAVE_NANOSLEEP], [1],
         [Some systems put nanosleep outside of libc])])
 
+AC_SEARCH_LIBS([clock_gettime], [rt],
+        [AC_DEFINE([HAVE_CLOCK_GETTIME], [1], [Have clock_gettime])])
+
 dnl Make sure prototypes are defined for these before using them.
 AC_CHECK_DECL([getrusage], [AC_CHECK_FUNCS([getrusage])])
 AC_CHECK_DECL([strsep],
diff --git a/misc.c b/misc.c
index cd45e9ecc..fd745444e 100644
--- a/misc.c
+++ b/misc.c
@@ -857,12 +857,16 @@ ms_to_timeval(struct timeval *tv, int ms)
 time_t
 monotime(void)
 {
+#if defined(HAVE_CLOCK_GETTIME) && defined(CLOCK_MONOTONIC)
         struct timespec ts;
 
         if (clock_gettime(CLOCK_MONOTONIC, &ts) != 0)
                 fatal("clock_gettime: %s", strerror(errno));
 
         return (ts.tv_sec);
+#else
+        return time(NULL);
+#endif
 }
 
 void