diff -r 22232029f074 -r 029f8d643dbe CMakeLists.txt
--- a/CMakeLists.txt	Sun Aug 17 13:15:45 2014 -0700
+++ b/CMakeLists.txt	Sun Aug 17 13:49:53 2014 -0700
@@ -343,6 +343,7 @@
 
   set(CMAKE_REQUIRED_FLAGS "-Wl,--no-undefined")
   check_c_compiler_flag("" HAVE_NO_UNDEFINED)
+  set(CMAKE_REQUIRED_FLAGS)
   if(HAVE_NO_UNDEFINED)
     list(APPEND EXTRA_LDFLAGS "-Wl,--no-undefined")
   endif()