--- file_not_specified_in_diff	
+++ file_not_specified_in_diff	
@@ -, +, @@ 
--- a/libavfilter/Makefile
+++ b/libavfilter/Makefile
@@ -567,3 +567,4 @@ 
 libavfilter/opencl/%.c: TAG = OPENCL
 libavfilter/opencl/%.c: $(SRC_PATH)/libavfilter/opencl/%.cl
 	$(M)$(SRC_PATH)/tools/cl2c $< $@
+.NOTPARALLEL:  libavfilter/opencl/%.c