../../../inplace/bin/ghc-stage2 $(ghc_opt) --show-iface .build/Demo.hi
../../../inplace/bin/ghc-stage2 $(ghc_opt) GArrowTikZ.hs Demo.hs DemoMain.hs Unify.hs -o .build/demo
./.build/demo > .build/test.tex
../../../inplace/bin/ghc-stage2 $(ghc_opt) --show-iface .build/Demo.hi
../../../inplace/bin/ghc-stage2 $(ghc_opt) GArrowTikZ.hs Demo.hs DemoMain.hs Unify.hs -o .build/demo
./.build/demo > .build/test.tex