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qianjigui/Makefile_multithread_sync_file.mk

Created July 7, 2014 11:06
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Makefile_multithread_sync_file.mk
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Makefile_multithread_sync_file.mk
CONFIG_LAST_TIME_FILE := $(srctree)/.compile.project.time
CONFIG_STAT_TIME:=$(if $(wildcard $(CONFIG_FILE)),$(shell stat -c %Y $(CONFIG_FILE)),)
TMP_CONFIG_LAST_TIME:=$(if $(wildcard $(CONFIG_LAST_TIME_FILE)),$(shell cat $(CONFIG_LAST_TIME_FILE)),)
# ......
ifneq ("$(CONFIG_STAT_TIME)","$(TMP_CONFIG_LAST_TIME)")
$(warning "merge config and defaut config:")
OUT_CONFIG := $(srctree)/.config
xxx_config := $(call config.generate-auto-rules)
makeF := $(shell $(xxx_config))
$(shell echo "$(CONFIG_STAT_TIME)" > $(CONFIG_LAST_TIME_FILE))
endif #neq for multi threads
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