Added depv macros in order to make some targets dependent on variables
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2e7ff7cc94
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1
Makefile
1
Makefile
@ -2,6 +2,7 @@ PWD:=$(shell pwd -P)
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SOURCE_DIR:=$(PWD)
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BUILD_DIR:=$(PWD)/build
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DEPV_DIR:=$(BUILD_DIR)/depv
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.PHONY: all clean test help deep_clean
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@ -1,7 +1,9 @@
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include $(SOURCE_DIR)/mirror/centos/yum_repos.mk
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$(BUILD_DIR)/mirror/centos/etc/yum.conf: $(call depv,yum_conf)
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$(BUILD_DIR)/mirror/centos/etc/yum.conf: export contents:=$(yum_conf)
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$(BUILD_DIR)/mirror/centos/etc/yum.conf: \
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$(SOURCE_DIR)/mirror/centos/yum_repos.mk \
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$(SOURCE_DIR)/mirror/centos/yum-priorities-plugin.py
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mkdir -p $(BUILD_DIR)/mirror/centos/etc/yum/pluginconf.d
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echo "[main]\nenabled=1" > $(BUILD_DIR)/mirror/centos/etc/yum/pluginconf.d/priorities.conf
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@ -11,6 +13,7 @@ $(BUILD_DIR)/mirror/centos/etc/yum.conf: \
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echo "$${contents}" > $@
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$(BUILD_DIR)/mirror/centos/etc/yum.repos.d/base.repo: $(call depv,YUM_REPOS)
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$(BUILD_DIR)/mirror/centos/etc/yum.repos.d/base.repo: \
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export contents:=$(foreach repo,$(YUM_REPOS),\n$(yum_repo_$(repo)))
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$(BUILD_DIR)/mirror/centos/etc/yum.repos.d/base.repo: \
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15
rules.mk
15
rules.mk
@ -8,6 +8,21 @@ define ACTION.TOUCH
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touch $@
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endef
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# This macros is to make targets dependent on variables
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# It writes variable value into temporary file varname.tmp,
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# then it compares temporary file with the varname.dep file.
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# If there is a difference between them, varname.dep will be updated
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# and the target which depends on it will be rebuilt.
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# Example:
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# target: $(call depv,varname)
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define depv
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$(shell mkdir -p $(DEPV_DIR))
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$(shell echo "$($1)" > $(DEPV_DIR)/$1.tmp)
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$(shell diff >/dev/null 2>&1 $(DEPV_DIR)/$1.tmp $(DEPV_DIR)/$1.dep \
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|| mv $(DEPV_DIR)/$1.tmp $(DEPV_DIR)/$1.dep)
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$(DEPV_DIR)/$1.dep
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endef
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define NEWLINE
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