--- libev/libev.m4	2007/11/16 01:43:52	1.2
+++ libev/libev.m4	2007/11/18 01:31:48	1.3
@@ -7,8 +7,10 @@
 AC_CHECK_FUNCS(epoll_ctl kqueue port_create)
  
 AC_CHECK_FUNC(clock_gettime, [], [ 
-  AC_CHECK_LIB(rt, clock_gettime) 
-  AC_CHECK_FUNCS(clock_gettime)
+   if test -z "$LIBEV_M4_AVOID_LIBRT"; then
+     AC_CHECK_LIB(rt, clock_gettime) 
+     AC_CHECK_FUNCS(clock_gettime)
+   fi
 ])
 
 AC_CHECK_LIB(m, ceil)