modules = $(filter-out $(wildcard Makefile*), \ $(wildcard *) ) .PHONY: all all: modules .PHONY: clean clean: -@rm -f *.so -@for r in $(modules) "" ; do \ if [ -n "$$r" ]; then \ echo "" ; \ echo "" ; \ $(MAKE) -C $$r clean ; \ fi ; \ done .PHONY: modules modules: -@for r in $(modules) "" ; do \ if [ -n "$$r" ]; then \ echo "" ; \ echo "" ; \ $(MAKE) -C $$r all; \ fi ; \ done .PHONY: install install: -@for r in $(modules) "" ; do \ if [ -n "$$r" ]; then \ echo "" ; \ echo "" ; \ $(MAKE) -C $$r install; \ fi ; \ done