build:
$(MAKE) -C dotnet all
$(MAKE) -C cpp all
+ $(MAKE) -C c all
runtests: build
$(MAKE) -C sh runtests
$(MAKE) -C python runtests
$(MAKE) -C dotnet runtests
$(MAKE) -C cpp runtests
+ $(MAKE) -C c runtests
test: build
$(MAKE) -C python clean
$(MAKE) -C dotnet clean
$(MAKE) -C cpp clean
+ $(MAKE) -C c clean