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5ae0dab6c5
This patch removes the implicit build of all shared libraries a target depends on. Targets only depend on the respective ABIs instead. This alleviates the need to locally build complex shared libraries (think of Qt) when developing applications. Instead, application developers can use binary depot archives. The implementation splits the mk/lib.mk file into three files: - mk/a.mk for building one static library (.lib.a) - mk/so.mk for building one shared object (.lib.so) - mk/abi.mk for building one ABI stub (.abi.so) Furthermore, the commit moves messages and the collection of build artifacts to var/libdeps, triggers the build of kernel-specific ld-<kernel>.lib.so, and prunes the lib-dependency tree at ABIs. Fixes #5061
236 lines
5.7 KiB
Makefile
Executable File
236 lines
5.7 KiB
Makefile
Executable File
#!/usr/bin/make -f
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#
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# \brief Tool for building a binary archive from source
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# \author Norman Feske
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# \date 2016-05-17
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#
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define HELP_MESSAGE
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Build a binary archive from source
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usage:
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$(firstword $(MAKEFILE_LIST)) <src-name> SPEC=<spec> USER=<user> CCACHE=<ccache>
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<src-name> name of the source archive to build
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<spec> build spec, e.g., x86_32, x86_64
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<user> identity of the archive creator
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<ccache> compiler calls will use the C/C++ compiler cache if this is 1
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endef
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export GENODE_DIR := $(realpath $(dir $(MAKEFILE_LIST))/../../..)
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include $(GENODE_DIR)/tool/depot/mk/front_end.inc
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#
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# Provide Genode build system with clean environment
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#
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unexport BASE_DIR
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unexport SPECS
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unexport SPEC_FILES
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unexport LIB_CACHE_DIR
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unexport LIB_DEP_FILE
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unexport LIB_PROGRESS_LOG
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unexport CONTRIB_DIR
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unexport REPOSITORIES
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#
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# The target is the name of the archive
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#
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ARCHIVE := $(TARGET)
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#
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# Define location of source archive
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#
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RECIPE_DIR := $(call recipe_dir,src/$(ARCHIVE))
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REP_DIR := $(RECIPE_DIR:/recipes/src/$(ARCHIVE)=)
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DEPOT_API_DIR := $(DEPOT_DIR)/$(USER)/api
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DEPOT_SRC_DIR := $(DEPOT_DIR)/$(USER)/src
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DEPOT_BIN_DIR := $(DEPOT_DIR)/$(USER)/bin
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#
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# Look up hash of the source archive from the src recipe
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#
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EXPECTED_SRC_HASH_FILE := $(RECIPE_DIR)/hash
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SRC_HASH_FILE := $(wildcard $(EXPECTED_SRC_HASH_FILE))
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checked_src_hash_file:
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ifeq ($(SRC_HASH_FILE),)
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@$(ECHO) "Error: source-archive hash file missing,"
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@$(ECHO) " expected at '$(EXPECTED_SRC_HASH_FILE)'"
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@false
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else
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SRC_HASH_FILE_CONTENT := $(shell cat $(SRC_HASH_FILE))
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SRC_VERSION := $(firstword $(SRC_HASH_FILE_CONTENT))
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endif
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#
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# Look for source archive
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#
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# First try to locate the source archive in the depot, which succeeds only
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# if the archive is given with a versioned name. The archive version is
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# unspecified, we look up the version information from the archive recipe.
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#
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VERSIONED_ARCHIVE := $(ARCHIVE)
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SRC_DIR := $(DEPOT_SRC_DIR)/$(VERSIONED_ARCHIVE)
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SRC_DIR := $(if $(wildcard $(SRC_DIR)),$(SRC_DIR),)
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checked_src_archive:
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@true
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ifeq ($(SRC_DIR),)
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VERSIONED_ARCHIVE := $(ARCHIVE)/$(SRC_VERSION)
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SRC_DIR := $(DEPOT_SRC_DIR)/$(VERSIONED_ARCHIVE)
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checked_src_archive: checked_src_hash_file
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endif
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ifeq ($(wildcard $(SRC_DIR)),)
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checked_src_archive: error_missing_source_archive
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endif
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error_missing_source_archive:
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@$(ECHO) "Error: missing source archive $(SRC_DIR)"
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@false
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#
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# Check for missing SPEC argument
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#
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checked_spec_argument:
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ifeq ($(SPEC),)
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@$(ECHO) "Error: missing SPEC argument"
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@false
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endif
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#
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# Define build-directory location
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#
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DEPOT_ARCHIVE_DIR := $(DEPOT_BIN_DIR)/$(SPEC)/$(VERSIONED_ARCHIVE)
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DEPOT_ARCHIVE_BUILD_DIR := $(addsuffix .build,$(DEPOT_ARCHIVE_DIR))
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#
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# Create archive build directory, which corresponds to a Genode build directory
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#
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# etc/build.conf: REPOSITORIES point to the source archive and all used api
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# archive. The list of used api archive comes from the '<srcdir>/used_apis'
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# file.
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#
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# if building a library, always incorporate the API implemented by the library
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API_FILE := $(wildcard $(addsuffix /api,$(SRC_DIR)))
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ifneq ($(API_FILE),)
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USED_APIS += $(call file_content,$(API_FILE))
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endif
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# incorporate all APIs used by the source archive
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USED_APIS_FILE := $(SRC_DIR)/used_apis
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ifneq ($(wildcard $(USED_APIS_FILE)),)
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USED_APIS += $(shell cat $(USED_APIS_FILE))
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endif
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BUILD_CONF := $(DEPOT_ARCHIVE_BUILD_DIR)/etc/build.conf
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SPECS_CONF := $(DEPOT_ARCHIVE_BUILD_DIR)/etc/specs.conf
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TOOLS_CONF := $(DEPOT_ARCHIVE_BUILD_DIR)/etc/tools.conf
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BUILD_MK := $(DEPOT_ARCHIVE_BUILD_DIR)/Makefile
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# validate that all API archives exist
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USED_API_DIRS := $(addprefix $(DEPOT_API_DIR)/, $(USED_APIS))
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MISSING_API_DIRS := $(filter-out $(wildcard $(USED_API_DIRS)), $(USED_API_DIRS))
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checked_api_archives:
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ifneq ($(MISSING_API_DIRS),)
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@($(ECHO) "Error: The following API archives are missing:"; \
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for api in $(MISSING_API_DIRS); do $(ECHO) " " $$api; done);
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@false
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endif
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ifeq ($(CCACHE),1)
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BUILD_CONF_CCACHE := yes
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else
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BUILD_CONF_CCACHE :=
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endif
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$(BUILD_CONF): checked_src_archive checked_api_archives
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$(VERBOSE)mkdir -p $(dir $@)
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$(VERBOSE) \
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( echo "GENODE_DIR := $(GENODE_DIR)"; \
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echo "BASE_DIR := $(GENODE_DIR)/repos/base"; \
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echo "override CCACHE := $(BUILD_CONF_CCACHE)"; \
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echo "override KERNEL :="; \
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echo "REPOSITORIES := $(SRC_DIR)"; \
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for api in $(USED_APIS); do \
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echo "REPOSITORIES += $(DEPOT_API_DIR)/$$api"; done \
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) > $(BUILD_CONF)
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$(SPECS_CONF): checked_spec_argument
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$(VERBOSE)mkdir -p $(dir $@)
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$(VERBOSE)echo "SPECS += genode $(SPEC)" > $@
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$(TOOLS_CONF):
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$(VERBOSE)mkdir -p $(dir $@)
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$(VERBOSE)cp $(GENODE_DIR)/repos/base/etc/tools.conf $@
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$(BUILD_MK):
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$(VERBOSE)mkdir -p $(dir $@)
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$(VERBOSE)ln -sf $(GENODE_DIR)/tool/builddir/build.mk $@
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$(BUILD_CONF) $(SPECS_CONF) $(TOOLS_CONF) $(BUILD_MK): wiped_build_dir
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wiped_build_dir:
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$(VERBOSE)rm -rf $(DEPOT_ARCHIVE_BUILD_DIR)
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#
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# Invoke the Genode build system in the build directory
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#
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ifeq ($(KEEP_BUILD_DIR),)
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RM_BUILD_DIR_CMD := rm -rf $(DEPOT_ARCHIVE_BUILD_DIR)
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else
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RM_BUILD_DIR_CMD := true
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endif
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$(DEPOT_ARCHIVE_BUILD_DIR)/bin: $(BUILD_CONF) $(SPECS_CONF) $(TOOLS_CONF) $(BUILD_MK)
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$(VERBOSE)$(MAKE) -C $(DEPOT_ARCHIVE_BUILD_DIR) $(BUILD_ARG) ||\
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( $(RM_BUILD_DIR_CMD); false )
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#
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# Extract build results from build directory into binary-archive directory
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#
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$(DEPOT_ARCHIVE_DIR): $(DEPOT_ARCHIVE_BUILD_DIR)/bin
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$(VERBOSE)mkdir -p $@
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$(VERBOSE)find $< -maxdepth 0 -not -empty -exec cp -rL $</* $@/ \;
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$(TARGET): $(DEPOT_ARCHIVE_DIR)
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@$(ECHO) "$(DARK_COL)created$(DEFAULT_COL) $(USER)/bin/$(SPEC)/$(VERSIONED_ARCHIVE)"
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#
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# Remove intermediate build artifacts
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#
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ifeq ($(KEEP_BUILD_DIR),)
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$(TARGET): remove_build_dir_when_done
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remove_build_dir_when_done: $(DEPOT_ARCHIVE_DIR)
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$(VERBOSE)$(RM_BUILD_DIR_CMD)
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endif
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