diff -Naur gnuradio-9999/cmake/Modules/GrBuildTypes.cmake gnuradio-9999-hacked/cmake/Modules/GrBuildTypes.cmake
--- gnuradio-9999/cmake/Modules/GrBuildTypes.cmake	2014-07-26 01:54:47.645866658 -0400
+++ gnuradio-9999-hacked/cmake/Modules/GrBuildTypes.cmake	2014-07-26 01:56:47.193869859 -0400
@@ -61,7 +61,6 @@
     endif(${_settype} STREQUAL ${_btype})
   endforeach(btype)
   # Build type not found; error out
-  message(FATAL_ERROR "Build type '${settype}' not valid, must be one of: ${AVAIL_BUILDTYPES}")
 endfunction(GR_CHECK_BUILD_TYPE)
 
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