--- libev/libev.m4	2007/11/28 11:15:55	1.6
+++ libev/libev.m4	2007/12/22 05:48:04	1.8
@@ -9,10 +9,19 @@
 AC_CHECK_FUNC(clock_gettime, [], [ 
    if test -z "$LIBEV_M4_AVOID_LIBRT"; then
       AC_CHECK_LIB(rt, clock_gettime) 
+      unset ac_cv_func_clock_gettime
       AC_CHECK_FUNCS(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)