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build system: Probable fix for errors due to bad config bypassing components 

See github #311 https://github.com/espressif/esp-idf/issues/311

Should fix weird compiler/linker bugs where config says something is
enabled, but build system says it is disabled.
Particularly noticeable when WiFi/BT libraries fail to
compile/link despite being enabled.

Underlying cause is configuration file regenerating, but component
Makefiles not reevaluating.

Entirely removes the idea that we don't need to generate config for some
targets (like 'clean'). We need valid config for these targets,
otherwise they don't know which files to clean (etc).
pull/336/merge
Angus Gratton 2017-02-03 16:02:22 +11:00
rodzic de28d3a655
commit e91d436e45
3 zmienionych plików z 5 dodań i 25 usunięć
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4
make/common.mk
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@ -6,8 +6,8 @@
#
# (Note that we only rebuild this makefile automatically for some
# targets, see project_config.mk for details.)
SDKCONFIG_MAKEFILE ?= $(abspath $(BUILD_DIR_BASE)/include/config/auto.conf)
-include $(SDKCONFIG_MAKEFILE)
SDKCONFIG_MAKEFILE ?= $(BUILD_DIR_BASE)/include/config/auto.conf
include $(SDKCONFIG_MAKEFILE)
export SDKCONFIG_MAKEFILE # sub-makes (like bootloader) will reuse this path
#Handling of V=1/VERBOSE=1 flag

7
make/project.mk
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@ -370,12 +370,7 @@ $(BUILD_DIR_BASE)/$(2)/lib$(2).a: $(2)-build
# If any component_project_vars.mk file is out of date, the make
# process will call this target to rebuild it and then restart.
#
# Note: $(SDKCONFIG) is a normal prereq as we need to rebuild these
# files whenever the config changes. $(SDKCONFIG_MAKEFILE) is an
# order-only prereq because if it hasn't been rebuilt, we need to
# build it first - but including it as a normal prereq can lead to
# infinite restarts as the conf process will keep updating it.
$(BUILD_DIR_BASE)/$(2)/component_project_vars.mk: $(1)/component.mk $(COMMON_MAKEFILES) $(SDKCONFIG) | $(BUILD_DIR_BASE)/$(2) $(SDKCONFIG_MAKEFILE)
$(BUILD_DIR_BASE)/$(2)/component_project_vars.mk: $(1)/component.mk $(COMMON_MAKEFILES) $(SDKCONFIG_MAKEFILE) | $(BUILD_DIR_BASE)/$(2)
$(call ComponentMake,$(1),$(2)) component_project_vars.mk
endef

19
make/project_config.mk
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@ -48,26 +48,11 @@ endif
mkdir -p $(BUILD_DIR_BASE)/include/config
$(KCONFIG_TOOL_ENV) $(KCONFIG_TOOL_DIR)/conf --olddefconfig $(IDF_PATH)/Kconfig
# Work out of whether we have to build the Kconfig makefile
# (auto.conf), or if we're in a situation where we don't need it
NON_CONFIG_TARGETS := clean %-clean help menuconfig defconfig
AUTO_CONF_REGEN_TARGET := $(SDKCONFIG_MAKEFILE)
# disable AUTO_CONF_REGEN_TARGET if all targets are non-config targets
# (and not building default target)
ifneq ("$(MAKECMDGOALS)","")
ifeq ($(filter $(NON_CONFIG_TARGETS), $(MAKECMDGOALS)),$(MAKECMDGOALS))
AUTO_CONF_REGEN_TARGET :=
# dummy target
$(SDKCONFIG_MAKEFILE):
endif
endif
$(AUTO_CONF_REGEN_TARGET) $(BUILD_DIR_BASE)/include/sdkconfig.h: $(SDKCONFIG) $(KCONFIG_TOOL_DIR)/conf $(COMPONENT_KCONFIGS) $(COMPONENT_KCONFIGS_PROJBUILD)
$(SDKCONFIG_MAKEFILE) $(BUILD_DIR_BASE)/include/sdkconfig.h: $(SDKCONFIG) $(KCONFIG_TOOL_DIR)/conf $(COMPONENT_KCONFIGS) $(COMPONENT_KCONFIGS_PROJBUILD)
$(summary) GENCONFIG
mkdir -p $(BUILD_DIR_BASE)/include/config
cd $(BUILD_DIR_BASE); $(KCONFIG_TOOL_ENV) $(KCONFIG_TOOL_DIR)/conf --silentoldconfig $(IDF_PATH)/Kconfig
touch $(AUTO_CONF_REGEN_TARGET) $(BUILD_DIR_BASE)/include/sdkconfig.h
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(!)