Merge upstream and other stuff

1 files changed, 11 insertions, 0 deletions

diff --git a/configure.ac b/configure.ac
index 8650e197..7456617a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -427,6 +427,17 @@ AC_C_BIGENDIAN
 # Checks for library functions.
 AC_FUNC_FORK
 AC_CHECK_FUNCS([gettimeofday memset socket strchr malloc])
+if test "x$WIN32" != "xyes"; then
+    AC_CHECK_LIB(rt, clock_gettime,
+        [
+            RT_LIBS="-lrt"
+            AC_SUBST(RT_LIBS)
+        ],
+        [
+            AC_MSG_ERROR([required library rt was not found on your system])
+        ]
+    )
+fi
 
 if test "x$BUILD_AV" = "xyes"; then
     AX_PTHREAD(