mirror of
https://github.com/pine64/bl_iot_sdk.git
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329 lines
16 KiB
Makefile
329 lines
16 KiB
Makefile
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# Component wrapper makefile
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#
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# This makefile gets called recursively from the project make, once for each component.
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# COMPONENT_MAKEFILE is set to point at the bouffalo.mk file for the component itself,
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# which is included as part of this process (after default variables are defined).
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#
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# This makefile comprises multiple stages, marked in blocked comments below.
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#
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# CWD is the build directory of the component.
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ifndef PROJECT_PATH
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$(error Make was invoked from $(CURDIR). However please do not run make from the sdk or a component directory; invoke make from the project directory. See the README for details.)
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endif
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################################################################################
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# 1) Set default variables for the component build (including configuration
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# loaded from sdkconfig.)
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################################################################################
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# Find the path to the component
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COMPONENT_PATH := $(abspath $(dir $(COMPONENT_MAKEFILE)))
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export COMPONENT_PATH
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# COMPONENT_BUILD_DIR is otherwise known as CWD for the build
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COMPONENT_BUILD_DIR := $(abspath .)
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# include elements common to both project & component makefiles
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# (includes project configuration set via menuconfig)
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include $(BL60X_SDK_PATH)/make_scripts_riscv/common.mk
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include $(PROJECT_PATH)/proj_config.mk
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# Some of the following defaults may be overriden by the component's bouffalo.mk makefile,
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# during the next step:
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# Absolute path of the .a file
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COMPONENT_LIBRARY = lib$(COMPONENT_NAME).a
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# Source dirs a component has. Default to root directory of component.
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COMPONENT_SRCDIRS = .
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# By default, include only the include/ dir.
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COMPONENT_ADD_INCLUDEDIRS = . include
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COMPONENT_ADD_LDFLAGS =
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# Define optional compiling macros
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define compile_exclude
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COMPONENT_OBJEXCLUDE += $(1)
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endef
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define compile_include
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COMPONENT_OBJINCLUDE += $(1)
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endef
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define compile_only_if
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$(eval $(if $(1), $(call compile_include, $(2)), $(call compile_exclude, $(2))))
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endef
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define compile_only_if_not
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$(eval $(if $(1), $(call compile_exclude, $(2)), $(call compile_include, $(2))))
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endef
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COMPONENT_ADD_LINKER_DEPS ?=
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COMPONENT_DEPENDS ?=
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COMPONENT_EXTRA_CLEAN ?=
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COMPONENT_EXTRA_INCLUDES ?=
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COMPONENT_OBJEXCLUDE ?=
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COMPONENT_OBJINCLUDE ?=
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COMPONENT_SUBMODULES ?=
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################################################################################
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# 2) Include the bouffalo.mk for the specific component (COMPONENT_MAKEFILE) to
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# override variables & optionally define custom targets. Also include global
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# component makefiles.
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################################################################################
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# Include any Makefile.componentbuild file letting components add
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# configuration at the global component level
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# Save component_path; we pass it to the called Makefile.componentbuild
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# as COMPILING_COMPONENT_PATH, and we use it to restore the current
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# COMPONENT_PATH later.
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COMPILING_COMPONENT_PATH := $(COMPONENT_PATH)
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define includeCompBuildMakefile
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$(if $(V),$(info including $(1)/Makefile.componentbuild...))
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COMPONENT_PATH := $(1)
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include $(1)/Makefile.componentbuild
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endef
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$(foreach componentpath,$(COMPONENT_PATHS), \
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$(if $(wildcard $(componentpath)/Makefile.componentbuild), \
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$(eval $(call includeCompBuildMakefile,$(componentpath)))))
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#Restore COMPONENT_PATH to what it was
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COMPONENT_PATH := $(COMPILING_COMPONENT_PATH)
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# Include bouffalo.mk for this component.
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-include $(BL60X_SDK_PATH)/make_scripts_riscv/project_val.mk
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include $(COMPONENT_MAKEFILE)
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ifeq ($(filter $(COMPONENT_NAME),$(LOG_ENABLED_COMPONENTS)),$(COMPONENT_NAME))
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CPPFLAGS += -DCFG_COMPONENT_BLOG_ENABLE=1
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else
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CPPFLAGS += -DCFG_COMPONENT_BLOG_ENABLE=0
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endif
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ifndef COMPONENT_LIB_ONLY
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COMPONENT_ADD_LDFLAGS += -l$(COMPONENT_NAME)
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endif
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ifdef COMPONENT_LIB_ONLY # Skip all below step if component is a lib
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.PHONY: build
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build:
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$(details) "No build needed for $(COMPONENT_NAME) (COMPONENT_LIB_ONLY)"
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.PHONY: clean
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clean:
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$(summary) RM component_project_vars.mk
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rm -f component_project_vars.mk
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define lib_MakeVariablePath
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$(subst $(BL60X_SDK_PATH),$$(BL60X_SDK_PATH),$(subst $(PROJECT_PATH),$$(PROJECT_PATH),$(subst $(BUILD_DIR_BASE),$$(BUILD_DIR_BASE),$(1))))
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endef
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component_project_vars.mk::
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$(details) "Building component project variables list $(abspath $@)"
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@echo '# Automatically generated build file. Do not edit.' > $@
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@echo 'COMPONENT_INCLUDES += $(call lib_MakeVariablePath,$(abspath $(addprefix $(COMPONENT_PATH)/,$(COMPONENT_ADD_INCLUDEDIRS))))' >> $@
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@echo 'COMPONENT_LDFLAGS += $(COMPONENT_ADD_LDFLAGS_HEAD) $(call lib_MakeVariablePath, $(COMPONENT_ADD_LDFLAGS)) $(COMPONENT_ADD_LDFLAGS_TAIL)' >> $@
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@echo 'COMPONENT_LINKER_DEPS += $(call lib_MakeVariablePath,$(call resolvepath,$(COMPONENT_ADD_LINKER_DEPS),$(COMPONENT_PATH)))' >> $@
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@echo 'component-$(COMPONENT_NAME)-build: $(addprefix component-,$(addsuffix -build,$(COMPONENT_DEPENDS)))' >> $@
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# COMPONENT_LIB_ONLY end
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else
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################################################################################
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# 3) Set variables that depend on values that may changed by bouffalo.mk
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################################################################################
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ifndef COMPONENT_CONFIG_ONLY # Skip steps 3-5 if COMPONENT_CONFIG_ONLY is set
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# Object files which need to be linked into the library
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# By default we take all .c, .cpp, .cc & .S files in COMPONENT_SRCDIRS.
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ifndef COMPONENT_OBJS
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# Find all source files in all COMPONENT_SRCDIRS
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COMPONENT_OBJS := $(foreach compsrcdir,$(COMPONENT_SRCDIRS),$(patsubst %.c,%.o,$(wildcard $(COMPONENT_PATH)/$(compsrcdir)/*.c)))
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COMPONENT_OBJS += $(foreach compsrcdir,$(COMPONENT_SRCDIRS),$(patsubst %.cpp,%.o,$(wildcard $(COMPONENT_PATH)/$(compsrcdir)/*.cpp)))
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COMPONENT_OBJS += $(foreach compsrcdir,$(COMPONENT_SRCDIRS),$(patsubst %.cc,%.o,$(wildcard $(COMPONENT_PATH)/$(compsrcdir)/*.cc)))
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COMPONENT_OBJS += $(foreach compsrcdir,$(COMPONENT_SRCDIRS),$(patsubst %.S,%.o,$(wildcard $(COMPONENT_PATH)/$(compsrcdir)/*.S)))
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# Make relative by removing COMPONENT_PATH from all found object paths
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COMPONENT_OBJS := $(sort $(COMPONENT_OBJS))
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COMPONENT_OBJS := $(patsubst $(COMPONENT_PATH)/%,%,$(COMPONENT_OBJS))
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else
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# Add in components defined by conditional compiling macros
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COMPONENT_OBJS += $(COMPONENT_OBJINCLUDE)
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endif
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# Remove any leading ../ from paths, so everything builds inside build dir
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COMPONENT_OBJS := $(call stripLeadingParentDirs,$(COMPONENT_OBJS))
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# Do the same for COMPONENT_OBJEXCLUDE (used below)
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COMPONENT_OBJEXCLUDE := $(call stripLeadingParentDirs,$(COMPONENT_OBJEXCLUDE))
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# COMPONENT_OBJDIRS is COMPONENT_SRCDIRS with the same transform applied
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COMPONENT_OBJDIRS := $(call stripLeadingParentDirs,$(COMPONENT_SRCDIRS))
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# Remove items disabled by optional compilation
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COMPONENT_OBJS := $(foreach obj,$(COMPONENT_OBJS),$(if $(filter $(abspath $(obj)),$(abspath $(COMPONENT_OBJEXCLUDE))), ,$(obj)))
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# Remove duplicates
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COMPONENT_OBJS := $(call uniq,$(COMPONENT_OBJS))
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# If we're called to compile something, we'll get passed the COMPONENT_INCLUDES
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# variable with all the include dirs from all the components in random order. This
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# means we can accidentally grab a header from another component before grabbing our own.
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# To make sure that does not happen, re-order the includes so ours come first.
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COMPONENT_PRIV_INCLUDEDIRS ?=
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OWN_INCLUDES:=$(abspath $(addprefix $(COMPONENT_PATH)/,$(COMPONENT_PRIV_INCLUDEDIRS) $(COMPONENT_ADD_INCLUDEDIRS)))
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COMPONENT_INCLUDES := $(OWN_INCLUDES) $(filter-out $(OWN_INCLUDES),$(COMPONENT_INCLUDES))
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################################################################################
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# 4) Define a target to generate component_project_vars.mk Makefile which
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# contains common per-component settings which are included directly in the
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# top-level project make
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#
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# (Skipped if COMPONENT_CONFIG_ONLY is set.)
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################################################################################
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# macro to generate variable-relative paths inside component_project_vars.mk, whenever possible
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# ie put literal $(BL60X_SDK_PATH), $(PROJECT_PATH) and $(BUILD_DIR_BASE) into the generated
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# makefiles where possible.
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#
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# This means if directories move (breaking absolute paths), don't need to 'make clean'
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define MakeVariablePath
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$(subst $(BL60X_SDK_PATH),$$(BL60X_SDK_PATH),$(subst $(PROJECT_PATH),$$(PROJECT_PATH),$(subst $(BUILD_DIR_BASE),$$(BUILD_DIR_BASE),$(1))))
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endef
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# component_project_vars.mk target for the component. This is used to
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# take bouffalo.mk variables COMPONENT_ADD_INCLUDEDIRS,
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# COMPONENT_ADD_LDFLAGS, COMPONENT_DEPENDS and COMPONENT_SUBMODULES
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# and inject those into the project make pass.
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#
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# The target here has no dependencies, as the parent target in
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# project.mk evaluates dependencies before calling down to here. See
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# GenerateComponentTargets macro in project.mk.
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#
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# If you are thinking of editing the output of this target for a
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# component-specific feature, please don't! What you want is a
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# Makefile.projbuild for your component (see docs/build-system.rst for
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# more.)
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#
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# Note: The :: target here is not a mistake. This target should always be
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# executed, as dependencies are checked by the parent project-level make target.
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# See https://www.gnu.org/software/make/manual/make.html#index-_003a_003a-rules-_0028double_002dcolon_0029
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component_project_vars.mk::
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$(details) "Building component project variables list $(abspath $@)"
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@echo '# Automatically generated build file. Do not edit.' > $@
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@echo 'COMPONENT_INCLUDES += $(call MakeVariablePath,$(abspath $(addprefix $(COMPONENT_PATH)/,$(COMPONENT_ADD_INCLUDEDIRS))))' >> $@
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@echo 'COMPONENT_LDFLAGS += $(COMPONENT_ADD_LDFLAGS_HEAD) $(call MakeVariablePath,-L$(COMPONENT_BUILD_DIR) $(COMPONENT_ADD_LDFLAGS)) $(COMPONENT_ADD_LDFLAGS_TAIL)' >> $@
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@echo 'COMPONENT_LINKER_DEPS += $(call MakeVariablePath,$(call resolvepath,$(COMPONENT_ADD_LINKER_DEPS),$(COMPONENT_PATH)))' >> $@
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@echo 'COMPONENT_SUBMODULES += $(call MakeVariablePath,$(abspath $(addprefix $(COMPONENT_PATH)/,$(COMPONENT_SUBMODULES))))' >> $@
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@echo 'COMPONENT_LIBRARIES += $(COMPONENT_NAME)' >> $@
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@echo 'component-$(COMPONENT_NAME)-build: $(addprefix component-,$(addsuffix -build,$(COMPONENT_DEPENDS)))' >> $@
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################################################################################
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# 5) Where COMPONENT_OWNBUILDTARGET / COMPONENT_OWNCLEANTARGET
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# is not set by bouffalo.mk, define default build, clean, etc. targets
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#
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# (Skipped if COMPONENT_CONFIG_ONLY is set.)
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################################################################################
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# Default build behaviour: define a phony build target and a COMPONENT_LIBRARY link target.
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ifndef COMPONENT_OWNBUILDTARGET
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.PHONY: build
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build: $(COMPONENT_LIBRARY)
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# Build the archive. We remove the archive first, otherwise ar will get confused if we update
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# an archive when multiple filenames have the same name (src1/test.o and src2/test.o)
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$(COMPONENT_LIBRARY): $(COMPONENT_OBJS)
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$(summary) AR $(patsubst $(PWD)/%,%,$(CURDIR))/$@
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rm -f $@
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$(AR) cru $@ $^
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endif
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# If COMPONENT_OWNCLEANTARGET is not set, define a phony clean target
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ifndef COMPONENT_OWNCLEANTARGET
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CLEAN_FILES := $(COMPONENT_LIBRARY) $(COMPONENT_OBJS) $(COMPONENT_OBJS:.o=.d) $(COMPONENT_OBJEXCLUDE) $(COMPONENT_OBJEXCLUDE:.o=.d) $(COMPONENT_EXTRA_CLEAN) component_project_vars.mk
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.PHONY: clean
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clean:
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$(summary) RM $(CLEAN_FILES)
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rm -f $(CLEAN_FILES)
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endif
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DEBUG_FLAGS ?= -gdwarf
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# Include all dependency files already generated
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-include $(COMPONENT_OBJS:.o=.d)
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# This is a fix for situation where the project or IDF dir moves, and instead
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# of rebuilding the target the build fails until make clean is run
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#
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# It adds an empty dependency rule for the (possibly non-existent) source file itself,
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# which prevents it not being found from failing the build
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#
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# $1 == Source File, $2 == .o file used for .d file name
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define AppendSourceToDependencies
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echo "$1:" >> $$(patsubst %.o,%.d,$2)
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endef
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# This pattern is generated for each COMPONENT_SRCDIR to compile the files in it.
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define GenerateCompileTargets
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# $(1) - directory containing source files, relative to $(COMPONENT_PATH) - one of $(COMPONENT_SRCDIRS)
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# $(2) - output build directory, which is $(1) with any leading ".."s converted to "."s to ensure output is always under build/
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#
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$(2)/%.o: $$(COMPONENT_PATH)/$(1)/%.c $(COMMON_MAKEFILES) $(COMPONENT_MAKEFILE) | $(COMPONENT_OBJDIRS)
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$$(summary) CC $$(patsubst $$(PWD)/%,%,$$(CURDIR))/$$@
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$$(CC) $$(CFLAGS) $$(CPPFLAGS) -D __FILENAME__=\"$$(notdir $$<)\" -D __FILENAME_WO_SUFFIX__=\"$$(subst .c,,$$(notdir $$<))\" -D __FILENAME_WO_SUFFIX_DEQUOTED__=$$(subst .c,,$$(notdir $$<)) -D __COMPONENT_NAME__=\"$$(COMPONENT_NAME)\" -D __COMPONENT_NAME_DEQUOTED__=$$(COMPONENT_NAME) -D __COMPONENT_FILE_NAME__=\"$$(COMPONENT_NAME)$$(subst .c,,$$(notdir $$<))\" -D__COMPONENT_FILE_NAMED__=$$(COMPONENT_NAME).$$(subst .c,,$$(notdir $$<)) -D__COMPONENT_FILE_NAME_DEQUOTED__=$$(COMPONENT_NAME)$$(subst .c,,$$(notdir $$<)) $$(addprefix -I ,$$(COMPONENT_INCLUDES)) $$(addprefix -I ,$$(COMPONENT_EXTRA_INCLUDES)) -I $(1) -c $$(abspath $$<) -o $$@
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$(call AppendSourceToDependencies,$$<,$$@)
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$(2)/%.o: $$(COMPONENT_PATH)/$(1)/%.cpp $(COMMON_MAKEFILES) $(COMPONENT_MAKEFILE) | $(COMPONENT_OBJDIRS)
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$$(summary) CXX $$(patsubst $$(PWD)/%,%,$$(CURDIR))/$$@
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$$(CXX) $$(CFLAGS) $$(CXXFLAGS) -D __FILENAME__=\"$$(notdir $$<)\" -D __FILENAME_WO_SUFFIX__=\"$$(subst .c,,$$(notdir $$<))\" -D __FILENAME_WO_SUFFIX_DEQUOTED__=$$(subst .c,,$$(notdir $$<)) -D __COMPONENT_NAME__=\"$$(COMPONENT_NAME)\" -D __COMPONENT_NAME_DEQUOTED__=$$(COMPONENT_NAME) -D __COMPONENT_FILE_NAME__=\"$$(COMPONENT_NAME)$$(subst .c,,$$(notdir $$<))\" -D__COMPONENT_FILE_NAMED__=$$(COMPONENT_NAME).$$(subst .c,,$$(notdir $$<)) -D__COMPONENT_FILE_NAME_DEQUOTED__=$$(COMPONENT_NAME)$$(subst .c,,$$(notdir $$<)) $$(CPPFLAGS) $$(addprefix -I ,$$(COMPONENT_INCLUDES)) $$(addprefix -I ,$$(COMPONENT_EXTRA_INCLUDES)) -I $(1) -c $$(abspath $$<) -o $$@
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$(call AppendSourceToDependencies,$$<,$$@)
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$(2)/%.o: $$(COMPONENT_PATH)/$(1)/%.cc $(COMMON_MAKEFILES) $(COMPONENT_MAKEFILE) | $(COMPONENT_OBJDIRS)
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$$(summary) CXX $$(patsubst $$(PWD)/%,%,$$(CURDIR))/$$@
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$$(CXX) $$(CXXFLAGS) $$(CPPFLAGS) -D __FILENAME__=\"$$(notdir $$<)\" -D __FILENAME_WO_SUFFIX__=\"$$(subst .c,,$$(notdir $$<))\" -D __FILENAME_WO_SUFFIX_DEQUOTED__=$$(subst .c,,$$(notdir $$<)) -D __COMPONENT_NAME__=\"$$(COMPONENT_NAME)\" -D __COMPONENT_NAME_DEQUOTED__=$$(COMPONENT_NAME) -D __COMPONENT_FILE_NAME__=\"$$(COMPONENT_NAME)$$(subst .c,,$$(notdir $$<))\" -D__COMPONENT_FILE_NAMED__=$$(COMPONENT_NAME).$$(subst .c,,$$(notdir $$<)) -D__COMPONENT_FILE_NAME_DEQUOTED__=$$(COMPONENT_NAME)$$(subst .c,,$$(notdir $$<)) $$(addprefix -I ,$$(COMPONENT_INCLUDES)) $$(addprefix -I ,$$(COMPONENT_EXTRA_INCLUDES)) -I $(1) -c $$(abspath $$<) -o $$@
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$(call AppendSourceToDependencies,$$<,$$@)
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$(2)/%.o: $$(COMPONENT_PATH)/$(1)/%.S $(COMMON_MAKEFILES) $(COMPONENT_MAKEFILE) | $(COMPONENT_OBJDIRS)
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$$(summary) AS $$(patsubst $$(PWD)/%,%,$$(CURDIR))/$$@
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$$(CC) $$(ASMFLAGS) $$(CPPFLAGS) -D __FILENAME__=\"$$(notdir $$<)\" -D __FILENAME_WO_SUFFIX__=\"$$(subst .c,,$$(notdir $$<))\" -D __FILENAME_WO_SUFFIX_DEQUOTED__=$$(subst .c,,$$(notdir $$<)) -D __COMPONENT_NAME__=\"$$(COMPONENT_NAME)\" -D __COMPONENT_NAME_DEQUOTED__=$$(COMPONENT_NAME) -D __COMPONENT_FILE_NAME__=\"$$(COMPONENT_NAME)$$(subst .c,,$$(notdir $$<))\" -D__COMPONENT_FILE_NAMED__=$$(COMPONENT_NAME).$$(subst .c,,$$(notdir $$<)) -D__COMPONENT_FILE_NAME_DEQUOTED__=$$(COMPONENT_NAME)$$(subst .c,,$$(notdir $$<)) $$(DEBUG_FLAGS) $$(addprefix -I ,$$(COMPONENT_INCLUDES)) $$(addprefix -I ,$$(COMPONENT_EXTRA_INCLUDES)) -I $(1) -c $$(abspath $$<) -o $$@
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$(call AppendSourceToDependencies,$$<,$$@)
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# CWD is build dir, create the build subdirectory if it doesn't exist
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#
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# (NB: Each .o file depends on all relative component build dirs $(COMPONENT_OBJDIRS), including $(2), to work
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# around a behaviour make 3.81 where the first pattern (randomly) seems to be matched rather than the best fit. ie if
|
||
|
# you have objects a/y.o and a/b/c.o then c.o can be matched with $(1)=a & %=b/c, meaning that subdir 'a/b' needs to be
|
||
|
# created but wouldn't be created if $(2)=a. Make 4.x doesn't have this problem, it seems to preferentially
|
||
|
# choose the better match ie $(2)=a/b and %=c )
|
||
|
#
|
||
|
# Note: This may cause some issues for out-of-tree source files and make 3.81 :/
|
||
|
#
|
||
|
$(2):
|
||
|
mkdir -p $(2)
|
||
|
endef
|
||
|
|
||
|
# Generate all the compile target patterns
|
||
|
$(foreach srcdir,$(COMPONENT_SRCDIRS), $(eval $(call GenerateCompileTargets,$(srcdir),$(call stripLeadingParentDirs,$(srcdir)))))
|
||
|
|
||
|
else # COMPONENT_CONFIG_ONLY is set
|
||
|
|
||
|
build:
|
||
|
$(details) "No build needed for $(COMPONENT_NAME) (COMPONENT_CONFIG_ONLY)"
|
||
|
|
||
|
clean:
|
||
|
$(summary) RM component_project_vars.mk
|
||
|
rm -f component_project_vars.mk
|
||
|
|
||
|
component_project_vars.mk:: # no need to add variables via bouffalo.mk
|
||
|
@echo '# COMPONENT_CONFIG_ONLY target sets no variables here' > $@
|
||
|
|
||
|
endif # COMPONENT_CONFIG_ONLY
|
||
|
endif # COMPONENT_LIB_ONLY
|
||
|
|