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ab90777ca1
GNU make tries to rebuild any makefiles it uses. While in general it's a good idea (and it is used e.g. in autoconf-based builds), in our case it is not necessary, as all the makefiles are static. More to say, as we have a few "match anything" rules for subdirectories, Makefiles in these subdirs are also matching these rules, which leads to excessive (re)building while a particular makefile is needed. Protect such Makefiles with explicit (or pattern) rules, so make knows it should do nothing to rebuild those. Signed-off-by: Kir Kolyshkin <kir@openvz.org> Reviewed-by: Dmitry Safonov <dsafonov@virtuozzo.com> Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
21 lines
452 B
Makefile
21 lines
452 B
Makefile
all-y += libpy-images rpc_pb2.py
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.PHONY: .FORCE
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$(obj)/images/Makefile: ;
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$(obj)/images/%: .FORCE
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$(Q) $(MAKE) $(build)=$(obj)/images $@
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libpy-images:
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$(Q) $(MAKE) $(build)=$(obj)/images all
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.PHONY: libpy-images
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rpc_pb2.py:
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$(Q) protoc -I=images/ --python_out=$(obj) images/$(@:_pb2.py=.proto)
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cleanup-y += $(addprefix $(obj)/,rpc_pb2.py *.pyc)
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clean-lib-py:
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$(Q) $(MAKE) $(build)=$(obj)/images clean
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.PHONY: clean-lib-py
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clean: clean-lib-py
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