1 files changed, 8 insertions, 0 deletions
diff --git a/libev.m4 b/libev.m4
index 322b659..8099d3b 100644
--- a/libev.m4
+++ b/libev.m4
@@ -14,6 +14,14 @@ AC_CHECK_FUNC(clock_gettime, [], [
    fi
 ])
 
+AC_CHECK_FUNC(nanonsleep, [], [ 
+   if test -z "$LIBEV_M4_AVOID_LIBRT"; then
+      AC_CHECK_LIB(rt, nanonsleep) 
+      unset ac_cv_func_nanonsleep
+      AC_CHECK_FUNCS(nanonsleep)
+   fi
+])
+
 AC_CHECK_LIB(m, ceil)