79 lines
2.6 KiB
Makefile
79 lines
2.6 KiB
Makefile
# Functionality common to both top-level project makefile
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# and component makefiles
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#
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# Include project config file, if it exists.
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#
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# (Note that we only rebuild auto.conf automatically for some targets,
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# see project_config.mk for details.)
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-include $(BUILD_DIR_BASE)/include/config/auto.conf
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#Handling of V=1/VERBOSE=1 flag
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#
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# if V=1, $(summary) does nothing and $(details) will echo extra details
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# if V is unset or not 1, $(summary) echoes a summary and $(details) does nothing
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V ?= $(VERBOSE)
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ifeq ("$(V)","1")
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Q :=
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summary := @true
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details := @echo
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else
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Q := @
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summary := @echo
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details := @true
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endif
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# Pseudo-target to check a git submodule has been properly initialised
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#
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# $(eval $(call SubmoduleCheck,FILENAMES,SUBMODULE_PATH)) to create a target that
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# automatically runs 'git submodule update --init SUBMODULE_PATH' if any of
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# the files in FILENAMES are missing, and fails if this is not possible.
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#
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# Will also print a WARNING if the submodule at SUBMODULE_PATH appears
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# to require an update.
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define SubmoduleCheck
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$(1):
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@echo "WARNING: Missing submodule $(2) for $$@..."
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$(Q) [ -d ${IDF_PATH}/.git ] || ( echo "ERROR: esp-idf must be cloned from git to work."; exit 1)
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$(Q) [ -x $(which git) ] || ( echo "ERROR: Need to run 'git submodule --init' in esp-idf root directory."; exit 1)
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@echo "Attempting 'git submodule update --init' in esp-idf root directory..."
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cd ${IDF_PATH} && git submodule update --init $(2)
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# Parse 'git submodule status' output for out-of-date submodule.
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# Status output prefixes status line with '+' if the submodule commit doesn't match
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ifneq ("$(shell cd ${IDF_PATH} && git submodule status $(2) | grep '^+')","")
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$$(info WARNING: git submodule $2 may be out of date. Run 'git submodule update' to update.)
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endif
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endef
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# General make utilities
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# convenience variable for printing an 80 asterisk wide separator line
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SEPARATOR:="*******************************************************************************"
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# macro to remove quotes from an argument, ie $(call dequote,$(CONFIG_BLAH))
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define dequote
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$(subst ",,$(1))
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endef
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# " comment kept here to keep syntax highlighting happy
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# macro to keep an absolute path as-is, but resolve a relative path
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# against a particular parent directory
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#
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# $(1) path to resolve
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# $(2) directory to resolve non-absolute path against
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#
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# Path and directory don't have to exist (definition of a "relative
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# path" is one that doesn't start with /)
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#
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# $(2) can contain a trailing forward slash or not, result will not
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# double any path slashes.
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#
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# example $(call resolvepath,$(CONFIG_PATH),$(CONFIG_DIR))
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define resolvepath
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$(if $(filter /%,$(1)),$(1),$(subst //,/,$(2)/$(1)))
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endef
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