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Makefile: handle host packages for make source / make external-deps 

Ensure host packages (dependencies of target packages) are also handled
by make source / make external-deps.

This has to be done a explicitly, as we don't list these in Kconfig,
and hence also not in a variable like TARGETS, so instead we have to
look at the <PKG>_DEPENDENCIES variables for each enabled package and
extract the host packages from there.

Host packages can in turn also have dependencies, so we have to follow
those as well. Ideally this should be done recursively, but as that's
pretty hard to do in make, it is limited to 1 level for now.

Finally, host packages share source files with target packages, so
pipe output of make external-deps through sort -u to ensure duplicates
are removed.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
This commit is contained in:
Peter Korsgaard 2010-11-19 14:20:56 +01:00
parent 0826a822b9
commit 22c2c6b541
1 changed files with 20 additions and 1 deletions
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21
Makefile
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@ -323,6 +323,25 @@ TARGETS_CLEAN:=$(patsubst %,%-clean,$(TARGETS))
TARGETS_SOURCE:=$(patsubst %,%-source,$(TARGETS) $(BASE_TARGETS))
TARGETS_DIRCLEAN:=$(patsubst %,%-dirclean,$(TARGETS))
TARGETS_ALL:=$(patsubst %,__real_tgt_%,$(TARGETS))
# host-* dependencies have to be handled specially, as those aren't
# visible in Kconfig and hence not added to a variable like TARGETS.
# instead, find all the host-* targets listed in each <PKG>_DEPENDENCIES
# variable for each enabled target.
# Notice: this only works for newstyle gentargets/autotargets packages
TARGETS_HOST_DEPS = $(sort $(filter host-%,$(foreach dep,\
$(addsuffix _DEPENDENCIES,$(call UPPERCASE,$(TARGETS))),\
$($(dep)))))
# Host packages can in turn have their own dependencies. Likewise find
# all the package names listed in the HOST_<PKG>_DEPENDENCIES for each
# host package found above. Ideally this should be done recursively until
# no more packages are found, but that's hard to do in make, so limit to
# 1 level for now.
HOST_DEPS = $(sort $(foreach dep,\
$(addsuffix _DEPENDENCIES,$(call UPPERCASE,$(TARGETS_HOST_DEPS))),\
$($(dep))))
HOST_SOURCE += $(addsuffix -source,$(sort $(TARGETS_HOST_DEPS) $(HOST_DEPS)))
# all targets depend on the crosscompiler and it's prerequisites
$(TARGETS_ALL): __real_tgt_%: $(BASE_TARGETS) %
@ -443,7 +462,7 @@ _source-check:
$(MAKE) DL_MODE=SOURCE_CHECK $(EXTRAMAKEARGS) source
external-deps:
@$(MAKE) -Bs DL_MODE=SHOW_EXTERNAL_DEPS $(EXTRAMAKEARGS) source
@$(MAKE) -Bs DL_MODE=SHOW_EXTERNAL_DEPS $(EXTRAMAKEARGS) source | sort -u
show-targets:
@echo $(TARGETS)