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makefile: add check for ERROR_ Kconfig symbols

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This adds a check in the build process to verify that no ERROR_ Kconfig
symbols are set. These symbols indicate invalid conditions in the
Kconfig configuration.
This commit is contained in:
Leandro Lanzieri 2020-10-09 18:01:33 +02:00
parent c21b72b5e8
commit 34d84ad8c6
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GPG Key ID: 13559905E2EBEAA5
2 changed files with 16 additions and 1 deletions
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2
Makefile.include
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@ -644,7 +644,7 @@ endif
..compiler-check:
$(call check_cmd,$(CC),Compiler)
..build-message:
..build-message: $(if $(SHOULD_RUN_KCONFIG), check-kconfig-errors)
@$(COLOR_ECHO) '$(COLOR_GREEN)Building application "$(APPLICATION)" for "$(BOARD)" with MCU "$(MCU)".$(COLOR_RESET)'
@$(COLOR_ECHO)

15
makefiles/kconfig.mk
View File

@ -168,4 +168,19 @@ $(KCONFIG_GENERATED_AUTOCONF_HEADER_C): $(KCONFIG_OUT_CONFIG) $(GENERATED_DIR_DE
# Try to load the list of Kconfig files used
-include $(KCONFIG_OUT_DEP)
# capture all ERROR_ prefixed Kconfig symbols
_KCONFIG_ERROR_VARS = $(filter CONFIG_ERROR_%,$(.VARIABLES))
_KCONFIG_ERRORS = $(foreach v,$(_KCONFIG_ERROR_VARS),$($(v)))
# this checks that no Kconfig error symbols are set. These symbols are used
# to indicate invalid conditions
check-kconfig-errors: $(KCONFIG_OUT_CONFIG) $(KCONFIG_GENERATED_AUTOCONF_HEADER_C)
ifneq (,$(_KCONFIG_ERRORS))
@$(COLOR_ECHO) "$(COLOR_RED) !! There are ERRORS in the configuration !! $(COLOR_RESET)"
@for err in $(_KCONFIG_ERRORS); do \
echo "- $$err"; \
done
@false
endif
endif