cd build; make -f Makefile.coq Extraction.vo
cat src/Extraction-prefix.hs > build/CoqPass.hs
cat build/Extraction.hs | grep -v '^module' | grep -v '^import' >> build/CoqPass.hs
cd build; make -f Makefile.coq Extraction.vo
cat src/Extraction-prefix.hs > build/CoqPass.hs
cat build/Extraction.hs | grep -v '^module' | grep -v '^import' >> build/CoqPass.hs