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set better dependence system

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This commit is contained in:
Edouard Dupin 2012-08-30 16:13:52 +02:00
parent 19a6408e88
commit 6f111adf47
1 changed files with 23 additions and 12 deletions
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35
core/defs.mk
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@ -426,23 +426,34 @@ module-get-all-dependencies = \
# Recursively get dependency of a modules
__modules-get-closure = \
$(eval __closure_deps := $(empty)) \
$(eval __closure_wq := $(strip $1)) \
$(eval __closure_field := $(strip $2)) \
$(if $(__closure_wq), $(call __modules-closure)) \
$(strip $(__closure_deps))
$(eval __closure_deps_uniq := $(empty)) \
$(eval __closure_deps_full := $(empty)) \
$(eval __closure_wq := $(strip $1)) \
$(eval __closure_field := $(strip $2)) \
$(if $(__closure_wq), $(call __modules-closure)) \
$(strip $(call __modules-closure-finish,$(filter-out $1,$(__closure_deps_full))))
# Used internally by modules-get-all-dependencies. Note the tricky use of
# conditional recursion to work around the fact that the GNU Make language does
# not have any conditional looping construct like 'while'.
__modules-closure = \
$(eval __closure_mod := $(call first,$(__closure_wq))) \
$(eval __closure_wq := $(call rest,$(__closure_wq))) \
$(eval __closure_val := $(__modules.$(__closure_mod).$(__closure_field))) \
$(eval __closure_new := $(filter-out $(__closure_deps),$(__closure_val))) \
$(eval __closure_deps += $(__closure_new)) \
$(eval __closure_wq := $(strip $(__closure_wq) $(__closure_new))) \
$(if $(__closure_wq),$(call __modules-closure))
$(eval __closure_mod := $(call first,$(__closure_wq))) \
$(eval __closure_wq := $(call rest,$(__closure_wq))) \
$(eval __closure_val := $(__modules.$(__closure_mod).$(__closure_field))) \
$(eval __closure_new := $(filter-out $(__closure_deps_uniq),$(__closure_val))) \
$(eval __closure_deps_uniq += $(__closure_new)) \
$(eval __closure_deps_full += $(__closure_mod) $(__closure_val)) \
$(eval __closure_wq := $(strip $(__closure_wq) $(__closure_new))) \
$(if $(__closure_wq),$(call __modules-closure))
# Finish dependency list by removing duplicates (keeping the last occurence)
__modules-closure-finish = $(strip \
$(if $1, \
$(eval __f := $(call first,$1)) \
$(eval __r := $(call rest,$1)) \
$(if $(filter $(__f),$(__r)),$(empty),$(__f)) \
$(call __modules-closure-finish,$(__r)) \
))
###############################################################################
## Get path of module main target file (in build or staging directory).