57 lines
2.0 KiB
Makefile
57 lines
2.0 KiB
Makefile
#
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# Component Makefile
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#
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# (Uses default behaviour of compiling all source files in directory, adding 'include' to include path.)
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# esp_app_desc structure is added as an undefined symbol because otherwise the
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# linker will ignore this structure as it has no other files depending on it.
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COMPONENT_ADD_LDFLAGS += -u esp_app_desc
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ifndef IS_BOOTLOADER_BUILD
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GET_PROJECT_VER ?=
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ifeq ("${PROJECT_VER}", "")
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ifeq ("$(wildcard ${PROJECT_PATH}/version.txt)","")
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GET_PROJECT_VER := $(shell cd ${PROJECT_PATH} && git describe --always --tags --dirty 2> /dev/null)
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ifeq ("${GET_PROJECT_VER}", "")
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GET_PROJECT_VER := "1"
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$(info Project is not inside a git repository, will not use 'git describe' to determine PROJECT_VER.)
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endif
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else
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# read from version.txt
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GET_PROJECT_VER := $(shell cat ${PROJECT_PATH}/version.txt)
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endif
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endif
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# If ``PROJECT_VER`` variable set in project Makefile file, its value will be used.
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# Else, if the ``$PROJECT_PATH/version.txt`` exists, its contents will be used as ``PROJECT_VER``.
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# Else, if the project is located inside a Git repository, the output of git describe will be used.
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# Otherwise, ``PROJECT_VER`` will be "1".
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ifeq ("${PROJECT_VER}", "")
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PROJECT_VER:= $(GET_PROJECT_VER)
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else
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PROJECT_VER:= $(PROJECT_VER)
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endif
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# cut PROJECT_VER and PROJECT_NAME to required 32 characters.
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PROJECT_VER_CUT := $(shell echo "$(PROJECT_VER)" | cut -c 1-31)
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PROJECT_NAME_CUT := $(shell echo "$(PROJECT_NAME)" | cut -c 1-31)
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$(info App "$(PROJECT_NAME_CUT)" version: $(PROJECT_VER_CUT))
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NEW_DEFINES:= "$(PROJECT_VER_CUT) $(PROJECT_NAME_CUT) $(IDF_VER)"
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ifeq ("$(wildcard ${TMP_DEFINES})","")
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OLD_DEFINES:= ""
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else
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OLD_DEFINES:= "$(shell cat $(TMP_DEFINES))"
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endif
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# If NEW_DEFINES (PROJECT_VER, PROJECT_NAME) were changed then rebuild only esp_app_desc.
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ifneq (${NEW_DEFINES}, ${OLD_DEFINES})
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$(shell echo $(NEW_DEFINES) > $(TMP_DEFINES); rm -f esp_app_desc.o;)
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endif
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esp_app_desc.o: CPPFLAGS += -D PROJECT_VER=\""$(PROJECT_VER_CUT)"\" -D PROJECT_NAME=\""$(PROJECT_NAME_CUT)"\"
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endif
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