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build system: Fix parallel & double menuconfig issues when sdkconfig missing

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Fixes misbehaviour of default menuconfig when sdkconfig is missing.

(Either appearing twice, or breaking if make -jN is used.)
This commit is contained in:
Angus Gratton
2017-02-06 17:02:07 +11:00
parent e91d436e45
commit 3c90032369
2 changed files with 47 additions and 25 deletions
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2
make/common.mk
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@@ -6,7 +6,7 @@
# #
# (Note that we only rebuild this makefile automatically for some # (Note that we only rebuild this makefile automatically for some
# targets, see project_config.mk for details.) # targets, see project_config.mk for details.)
SDKCONFIG_MAKEFILE ?= $(BUILD_DIR_BASE)/include/config/auto.conf SDKCONFIG_MAKEFILE ?= $(abspath $(BUILD_DIR_BASE)/include/config/auto.conf)
include $(SDKCONFIG_MAKEFILE) include $(SDKCONFIG_MAKEFILE)
export SDKCONFIG_MAKEFILE # sub-makes (like bootloader) will reuse this path export SDKCONFIG_MAKEFILE # sub-makes (like bootloader) will reuse this path

70
make/project_config.mk
View File

@@ -20,44 +20,66 @@ $(KCONFIG_TOOL_DIR)/mconf $(KCONFIG_TOOL_DIR)/conf:
MAKEFLAGS=$(ORIGINAL_MAKEFLAGS) CC=$(HOSTCC) LD=$(HOSTLD) \ MAKEFLAGS=$(ORIGINAL_MAKEFLAGS) CC=$(HOSTCC) LD=$(HOSTLD) \
$(MAKE) -C $(KCONFIG_TOOL_DIR) $(MAKE) -C $(KCONFIG_TOOL_DIR)
# use a wrapper environment for where we run Kconfig tools
KCONFIG_TOOL_ENV=KCONFIG_AUTOHEADER=$(abspath $(BUILD_DIR_BASE)/include/sdkconfig.h) \
COMPONENT_KCONFIGS="$(COMPONENT_KCONFIGS)" KCONFIG_CONFIG=$(SDKCONFIG) \
COMPONENT_KCONFIGS_PROJBUILD="$(COMPONENT_KCONFIGS_PROJBUILD)"
menuconfig: $(KCONFIG_TOOL_DIR)/mconf $(IDF_PATH)/Kconfig $(call prereq_if_explicit,defconfig)
$(summary) MENUCONFIG
$(KCONFIG_TOOL_ENV) $(KCONFIG_TOOL_DIR)/mconf $(IDF_PATH)/Kconfig
ifeq ("$(wildcard $(SDKCONFIG))","") ifeq ("$(wildcard $(SDKCONFIG))","")
ifeq ("$(call prereq_if_explicit,defconfig)","") ifeq ("$(filter defconfig, $(MAKECMDGOALS))","")
# if not configuration is present and defconfig is not a target, run defconfig then menuconfig # if no configuration file is present and defconfig is not a named
$(SDKCONFIG): defconfig menuconfig # target, run defconfig then menuconfig to get the initial config
$(SDKCONFIG): menuconfig
menuconfig: defconfig
else else
# otherwise, just defconfig # otherwise, just run defconfig
$(SDKCONFIG): defconfig $(SDKCONFIG): defconfig
endif endif
endif endif
# macro for the commands to run kconfig tools conf or mconf.
# $1 is the name (& args) of the conf tool to run
define RunConf
mkdir -p $(BUILD_DIR_BASE)/include/config
cd $(BUILD_DIR_BASE); KCONFIG_AUTOHEADER=$(abspath $(BUILD_DIR_BASE)/include/sdkconfig.h) \
COMPONENT_KCONFIGS="$(COMPONENT_KCONFIGS)" KCONFIG_CONFIG=$(SDKCONFIG) \
COMPONENT_KCONFIGS_PROJBUILD="$(COMPONENT_KCONFIGS_PROJBUILD)" \
$(KCONFIG_TOOL_DIR)/$1 $(IDF_PATH)/Kconfig
endef
ifeq ("$(MAKE_RESTARTS)","")
# menuconfig, defconfig and "GENCONFIG" configuration generation only
# ever run on the first make pass, subsequent passes don't run these
# (make often wants to re-run them as the conf tool can regenerate the
# sdkconfig input file as an output file, but this is not what the
# user wants - a single config pass is enough to produce all output
# files.)
#
# To prevent problems missing genconfig, ensure none of these targets
# depend on any prerequisite that may cause a make restart as part of
# the prerequisite's own recipe.
menuconfig: $(KCONFIG_TOOL_DIR)/mconf
$(summary) MENUCONFIG
$(call RunConf,mconf)
# defconfig creates a default config, based on SDKCONFIG_DEFAULTS if present # defconfig creates a default config, based on SDKCONFIG_DEFAULTS if present
defconfig: $(KCONFIG_TOOL_DIR)/mconf $(IDF_PATH)/Kconfig $(BUILD_DIR_BASE) defconfig: $(KCONFIG_TOOL_DIR)/conf
$(summary) DEFCONFIG $(summary) DEFCONFIG
ifneq ("$(wildcard $(SDKCONFIG_DEFAULTS))","") ifneq ("$(wildcard $(SDKCONFIG_DEFAULTS))","")
cat $(SDKCONFIG_DEFAULTS) >> $(SDKCONFIG) # append defaults to sdkconfig, will override existing values cat $(SDKCONFIG_DEFAULTS) >> $(SDKCONFIG) # append defaults to sdkconfig, will override existing values
endif endif
mkdir -p $(BUILD_DIR_BASE)/include/config $(call RunConf,conf --olddefconfig)
$(KCONFIG_TOOL_ENV) $(KCONFIG_TOOL_DIR)/conf --olddefconfig $(IDF_PATH)/Kconfig
$(SDKCONFIG_MAKEFILE) $(BUILD_DIR_BASE)/include/sdkconfig.h: $(SDKCONFIG) $(KCONFIG_TOOL_DIR)/conf $(COMPONENT_KCONFIGS) $(COMPONENT_KCONFIGS_PROJBUILD) # if neither defconfig or menuconfig are requested, use the GENCONFIG rule to
# ensure generated config files are up to date
$(SDKCONFIG_MAKEFILE) $(BUILD_DIR_BASE)/include/sdkconfig.h: $(KCONFIG_TOOL_DIR)/conf $(SDKCONFIG) $(COMPONENT_KCONFIGS) $(COMPONENT_KCONFIGS_PROJBUILD) | $(call prereq_if_explicit,defconfig) $(call prereq_if_explicit,menuconfig)
$(summary) GENCONFIG $(summary) GENCONFIG
mkdir -p $(BUILD_DIR_BASE)/include/config $(call RunConf,conf --silentoldconfig)
cd $(BUILD_DIR_BASE); $(KCONFIG_TOOL_ENV) $(KCONFIG_TOOL_DIR)/conf --silentoldconfig $(IDF_PATH)/Kconfig touch $(SDKCONFIG_MAKEFILE) $(BUILD_DIR_BASE)/include/sdkconfig.h # ensure newer than sdkconfig
touch $(SDKCONFIG_MAKEFILE) $(BUILD_DIR_BASE)/include/sdkconfig.h
# touch to ensure both output files are newer - as 'conf' can also update sdkconfig (a dependency). Without this,
# sometimes you can get an infinite make loop on Windows where sdkconfig always gets regenerated newer
# than the target(!)
.PHONY: config-clean else # "$(MAKE_RESTARTS)" != ""
# on subsequent make passes, skip config generation entirely
defconfig:
menuconfig:
endif
.PHONY: config-clean defconfig menuconfig
config-clean: config-clean:
$(summary RM CONFIG) $(summary RM CONFIG)
$(MAKE) -C $(KCONFIG_TOOL_DIR) clean $(MAKE) -C $(KCONFIG_TOOL_DIR) clean