[CRIU] [PATCH 2/6] lib Makefiles: integrate

Kir Kolyshkin kir at openvz.org
Mon Feb 20 02:31:30 PST 2017



On 02/20/2017 02:13 AM, Dmitry Safonov wrote:
>   her2017-02-20 6:13 GMT+03:00 Kir Kolyshkin <kir at openvz.org>:
>> Our whole system of Makefiles are integrated from top to bottom,
>> meaning:
>>
>>   1. The paths in sub-makefiles are relative to the top source dir.
>>   2. Sub-makefiles are executed via make $(build)=<SUBDIR> <TARGET>
>>
>> For some reason, makefiles under lib/ are the exclusion. Let's fix it.
>>
>> Side effect: you can now build any individual target under lib/,
>> for example, "make lib/c/libcriu.so" works.
>>
>> Signed-off-by: Kir Kolyshkin <kir at openvz.org>
>> ---
>>   Makefile               |  7 +++----
>>   Makefile.install       |  4 ++--
>>   lib/Makefile           | 54 +++++++++++++++++++++++---------------------------
>>   lib/py/Makefile        | 21 ++++++++++++--------
>>   lib/py/images/Makefile | 19 +++++++++---------
>>   scripts/crit-setup.py  |  4 ++--
>>   6 files changed, 54 insertions(+), 55 deletions(-)
>>
>> diff --git a/Makefile b/Makefile
>> index 92e94eb..b1a455a 100644
>> --- a/Makefile
>> +++ b/Makefile
>> @@ -244,14 +244,12 @@ criu: $(criu-deps)
>>   # (we might generate headers and such
>>   # when building criu itself).
>>   lib/%: criu .FORCE
>> -       $(Q) $(MAKE) -C lib $@
>> +       $(Q) $(MAKE) $(build)=lib $@
>>   lib: criu
>> -       $(Q) $(MAKE) -C lib all
>> +       $(Q) $(MAKE) $(build)=lib all
>>   .PHONY: lib
>>
>>   subclean:
>> -       $(call msg-clean, criu)
>> -       $(Q) $(MAKE) -C lib clean
>>          $(Q) $(MAKE) -C Documentation clean
>>          $(Q) $(MAKE) $(build)=test/compel clean
>>          $(Q) $(RM) .gitid
>> @@ -263,6 +261,7 @@ clean: subclean
>>          $(Q) $(MAKE) $(build)=soccr $@
>>          $(Q) $(MAKE) $(build)=compel $@
>>          $(Q) $(MAKE) $(build)=compel/plugins $@
>> +       $(Q) $(MAKE) $(build)=lib $@
>>   .PHONY: clean
>>
>>   # mrproper depends on clean in nmk
>> diff --git a/Makefile.install b/Makefile.install
>> index 9f27d3e..d756d97 100644
>> --- a/Makefile.install
>> +++ b/Makefile.install
>> @@ -29,7 +29,7 @@ install-man:
>>   .PHONY: install-man
>>
>>   install-lib: lib
>> -       $(Q) $(MAKE) -C lib install
>> +       $(Q) $(MAKE) $(build)=lib install
>>   .PHONY: install-lib
>>
>>   install-criu: criu
>> @@ -47,7 +47,7 @@ install: install-man install-lib install-criu install-compel
>>
>>   uninstall:
>>          $(Q) $(MAKE) -C Documentation $@
>> -       $(Q) $(MAKE) -C lib $@
>> +       $(Q) $(MAKE) $(build)=lib $@
>>          $(Q) $(MAKE) -C criu $@
>>          $(Q) $(MAKE) $(build)=compel $@
>>          $(Q) $(MAKE) $(build)=compel/plugins $@
>> diff --git a/lib/Makefile b/lib/Makefile
>> index a4d9d87..084fee5 100644
>> --- a/lib/Makefile
>> +++ b/lib/Makefile
>> @@ -1,62 +1,58 @@
>> -include $(__nmk_dir)include.mk
>> -
>>   CRIU_SO                        := libcriu.so
>> -UAPI_HEADERS           := c/criu.h ../images/rpc.proto
>> +UAPI_HEADERS           := lib/c/criu.h images/rpc.proto
>>   PYTHON_BIN ?= python2
>>
>>   #
>>   # File to keep track of files installed by setup.py
>> -CRIT_SETUP_FILES       := .crit-setup.files
>> +CRIT_SETUP_FILES       := lib/.crit-setup.files
>> +
>> +all-y  += lib-c lib-py
>>
>>   #
>>   # C language bindings.
>> -c/%: ../Makefile.versions
>> +lib/c/%: Makefile.versions
> Use the .FORCE, Kir.
> Otherwise your middle-top-makefile will think that target
> is up-to-date if it was once built. As it "to high" to know about
> dependencies.


Good catch, thanks! Will redo.

>>          $(call msg-gen, $@)
>> -       $(Q) $(MAKE) $(build)=c $@
>> +       $(Q) $(MAKE) $(build)=lib/c $@
>>
>>   cflags-so              += $(CFLAGS) -rdynamic -Wl,-soname,$(CRIU_SO).$(CRIU_SO_VERSION_MAJOR)
>>   ldflags-so             += -lprotobuf-c
>> -c/$(CRIU_SO): c/built-in.o
>> +
>> +lib/c/$(CRIU_SO): lib/c/built-in.o
>>          $(call msg-link, $@)
>>          $(Q) $(CC) -shared $(cflags-so) -o $@ $^ $(ldflags-so) $(LDFLAGS)
>> -lib-c: c/$(CRIU_SO)
>> +lib-c: lib/c/$(CRIU_SO)
>>   .PHONY: lib-c
>>
>>   #
>>   # Python bindings.
>> -lib-py:
>> +lib/py/%:
> ditto
>
>>          $(call msg-gen, $@)
>> -       $(Q) $(MAKE) -C py all
>> +       $(Q) $(MAKE) $(build)=lib/py $@
>> +lib-py:
>> +       $(Q) $(MAKE) $(build)=lib/py all
>>   .PHONY: lib-py
>>
>> -all: lib-c lib-py
>> -       @true
>> -.PHONY: all
>> -
>> -clean:
>> -       $(call msg-clean, lib-c)
>> -       $(Q) $(MAKE) $(build)=c $@
>> -       $(Q) $(RM) c/$(CRIU_SO)
>> -       $(Q) $(RM) c/criu.pc
>> -       $(call msg-clean, lib-py)
>> -       $(Q) $(MAKE) -C py $@
>> -       $(Q) $(RM) -r build usr
>> -.PHONY: clean
>> +clean-lib:
>> +       $(Q) $(MAKE) $(build)=lib/c clean
>> +       $(Q) $(MAKE) $(build)=lib/py clean
>> +.PHONY: clean-lib
>> +clean: clean-lib
>> +cleanup-y      += lib/c/$(CRIU_SO) lib/c/criu.pc
>>
>> -install: lib-c lib-py ../crit/crit c/criu.pc.in
>> -       $(E) "  INSTALL " $(CRIU_SO)
>> +install: lib-c lib-py crit/crit lib/c/criu.pc.in
>> +       $(E) "  INSTALL " lib
>>          $(Q) mkdir -p $(DESTDIR)$(LIBDIR)
>> -       $(Q) install -m 755 c/$(CRIU_SO) $(DESTDIR)$(LIBDIR)/$(CRIU_SO).$(CRIU_SO_VERSION_MAJOR).$(CRIU_SO_VERSION_MINOR)
>> +       $(Q) install -m 755 lib/c/$(CRIU_SO) $(DESTDIR)$(LIBDIR)/$(CRIU_SO).$(CRIU_SO_VERSION_MAJOR).$(CRIU_SO_VERSION_MINOR)
>>          $(Q) ln -fns $(CRIU_SO).$(CRIU_SO_VERSION_MAJOR).$(CRIU_SO_VERSION_MINOR) $(DESTDIR)$(LIBDIR)/$(CRIU_SO).$(CRIU_SO_VERSION_MAJOR)
>>          $(Q) ln -fns $(CRIU_SO).$(CRIU_SO_VERSION_MAJOR).$(CRIU_SO_VERSION_MINOR) $(DESTDIR)$(LIBDIR)/$(CRIU_SO)
>>          $(Q) mkdir -p $(DESTDIR)$(INCLUDEDIR)/criu/
>>          $(Q) install -m 644 $(UAPI_HEADERS) $(DESTDIR)$(INCLUDEDIR)/criu/
>>          $(E) "  INSTALL " pkgconfig/criu.pc
>>          $(Q) mkdir -p $(DESTDIR)$(LIBDIR)/pkgconfig
>> -       $(Q) sed -e 's, at version@,$(CRIU_VERSION),' -e 's, at libdir@,$(LIBDIR),' -e 's, at includedir@,$(dir $(INCLUDEDIR)/criu/),' c/criu.pc.in > c/criu.pc
>> -       $(Q) install -m 644 c/criu.pc $(DESTDIR)$(LIBDIR)/pkgconfig
>> +       $(Q) sed -e 's, at version@,$(CRIU_VERSION),' -e 's, at libdir@,$(LIBDIR),' -e 's, at includedir@,$(dir $(INCLUDEDIR)/criu/),' lib/c/criu.pc.in > lib/c/criu.pc
>> +       $(Q) install -m 644 lib/c/criu.pc $(DESTDIR)$(LIBDIR)/pkgconfig
>>          $(E) "  INSTALL " crit
>> -       $(Q) $(PYTHON_BIN) ../scripts/crit-setup.py install --root=$(DESTDIR) --prefix=$(PREFIX) --record $(CRIT_SETUP_FILES)
>> +       $(Q) $(PYTHON_BIN) scripts/crit-setup.py install --root=$(DESTDIR) --prefix=$(PREFIX) --record $(CRIT_SETUP_FILES)
>>   .PHONY: install
>>
>>   uninstall:
>> diff --git a/lib/py/Makefile b/lib/py/Makefile
>> index 9ef4fa4..59d54a2 100644
>> --- a/lib/py/Makefile
>> +++ b/lib/py/Makefile
>> @@ -1,13 +1,18 @@
>> -all: images rpc_pb2.py
>> +all-y  += libpy-images rpc_pb2.py
>>
>> -.PHONY: all images clean
>> +$(obj)/images/%:
> ditto
>
>> +       $(Q) $(MAKE) $(build)=$(obj)/images $@
>>
>> -images:
>> -       $(Q) $(MAKE) -C images all
>> +libpy-images:
>> +       $(Q) $(MAKE) $(build)=$(obj)/images all
>> +.PHONY: libpy-images
>>
>>   rpc_pb2.py:
>> -       $(Q) protoc -I=$(SRC_DIR)/images/ --python_out=./ $(SRC_DIR)/images/$(@:_pb2.py=.proto)
>> +       $(Q) protoc -I=$(SRC_DIR)/images/ --python_out=$(obj) $(SRC_DIR)/images/$(@:_pb2.py=.proto)
>>
>> -clean:
>> -       $(Q) $(MAKE) -C images clean
>> -       $(Q) $(RM) rpc_pb2.py *.pyc
>> +cleanup-y      += $(addprefix $(obj)/,rpc_pb2.py *.pyc)
>> +
>> +clean-lib-py:
>> +       $(Q) $(MAKE) $(build)=$(obj)/images clean
>> +.PHONY: clean-lib-py
>> +clean: clean-lib-py
>> diff --git a/lib/py/images/Makefile b/lib/py/images/Makefile
>> index 8fad6d8..a5990c4 100644
>> --- a/lib/py/images/Makefile
>> +++ b/lib/py/images/Makefile
>> @@ -1,7 +1,4 @@
>> -include $(__nmk_dir)msg.mk
>> -all: pb.py images magic.py
>> -
>> -.PHONY: all images clean pb.py
>> +all-y  += images magic.py pb.py
>>
>>   proto := $(filter-out $(SRC_DIR)/images/rpc.proto, $(sort $(wildcard $(SRC_DIR)/images/*.proto)))
>>   proto-py-modules := $(foreach m,$(proto),$(subst -,_,$(notdir $(m:.proto=_pb2))))
>> @@ -10,17 +7,19 @@ proto-py-modules := $(foreach m,$(proto),$(subst -,_,$(notdir $(m:.proto=_pb2)))
>>   # Unfortunately, we can't drop ugly _pb2 suffixes here, because
>>   # some _pb2 files depend on others _pb2 files.
>>   images:
>> -       $(Q) protoc -I=$(SRC_DIR)/images -I=/usr/include/ --python_out=./ $(proto)
>> +       $(Q) protoc -I=$(SRC_DIR)/images -I=/usr/include/ --python_out=$(obj) $(proto)
>> +.PHONY: images
>>
>>   magic.py: $(SRC_DIR)/scripts/magic-gen.py $(SRC_DIR)/criu/include/magic.h
>>          $(call msg-gen, $@)
>> -       $(Q) python $^ $@
>> +       $(Q) python $^ $(obj)/$@
>>
>>   pb.py: images
>> -       $(Q) echo "# Autogenerated. Do not edit!" > $@
>> +       $(Q) echo "# Autogenerated. Do not edit!" > $(obj)/$@
>>          $(Q) for m in $(proto-py-modules); do \
>> -               echo "from $$m import *" >> $@ ;\
>> +               echo "from $$m import *" >> $(obj)/$@ ;\
>>          done
>> +.PHONY: pb.py
>>
>> -clean:
>> -       $(Q) $(RM) ./*_pb2.py ./*.pyc magic.py pb.py
>> +cleanup-y      += $(addprefix $(obj)/,magic.py pb.py *.pyc)
>> +cleanup-y      += $(call cleanify,$(addprefix $(obj)/,$(addsuffix .py,$(proto-py-modules))))
>> diff --git a/scripts/crit-setup.py b/scripts/crit-setup.py
>> index 74368da..60fef6a 100644
>> --- a/scripts/crit-setup.py
>> +++ b/scripts/crit-setup.py
>> @@ -6,7 +6,7 @@ setup(name = "crit",
>>         author = "CRIU team",
>>         author_email = "criu at openvz.org",
>>         url = "https://github.com/xemul/criu",
>> -      package_dir = {'pycriu': 'py'},
>> +      package_dir = {'pycriu': 'lib/py'},
>>         packages = ["pycriu", "pycriu.images"],
>> -      scripts = ["../crit/crit"]
>> +      scripts = ["crit/crit"]
>>         )
>



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