On Wednesday 23 March 2005 12:01, Adam Heath wrote:
> install: $(patsubst %,install.%,$(SUBDIRS))
> $(patsubst %,install.%,$(SUBDIRS)): install.%: CMD := install
>
> all: $(patsubst %,all.%,$(SUBDIRS))
> $(patsubst %,all.%,$(SUBDIRS)): all.%: CMD := all
>
> $(foreach cmd,all install,$(patsubst %,$(cmd).%,$(SUBDIRS))):
> $(MAKE) -C $* $(CMD)
The following is working for me and I think easier to read than the above:
==
CLEANDIRS := $(addprefix _clean_,$(SUBDIRS))
.PHONY: all clean $(SUBDIRS) $(CLEANDIRS)
all: $(SUBDIRS)
clean: $(CLEANDIRS)
$(CLEANDIRS):
$(MAKE) -C $(patsubst _clean_%,%,$@) clean
$(SUBDIRS):
$(MAKE) -C $@
==
Well, I guess it's not very dissimilar after all.
But I really don't like that for every command to recurse with (e.g. clean),
you must add more hackery to the Makefile. Your snippet has the same problem
(let's add "clean"...), and it seems all the Makefiles have all the issues
discussed in different places.
Is there really no better way to solve this problem?
--
Hollis Blanchard
IBM Linux Technology Center
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