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0074a7c4ac
The depot tool 'build_bin_archive' used to ask only whether CCACHE is empty or not and, if it wasn't empty, the tool added 'CCACHE := yes' to the build.conf of the temporary build dir. This caused the sub-build processes to use ccache even when the top-level CCACHE variable was set to a bogus value. Also adds documentation of the CCACHE variable to the help message of the 'build' and 'build_bin_archive' tool. Ref #4212
235 lines
5.7 KiB
Makefile
Executable File
235 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) " " $$api; done);
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@false
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endif
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ifeq ($(CCACHE),1)
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BUILD_CONF_CCACHE := yes
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else
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BUILD_CONF_CCACHE :=
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endif
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$(BUILD_CONF): checked_src_archive checked_api_archives
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$(VERBOSE)mkdir -p $(dir $@)
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$(VERBOSE) \
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( echo "GENODE_DIR := $(GENODE_DIR)"; \
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echo "BASE_DIR := $(GENODE_DIR)/repos/base"; \
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echo "override CCACHE := $(BUILD_CONF_CCACHE)"; \
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echo "REPOSITORIES := $(SRC_DIR)"; \
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for api in $(USED_APIS); do \
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echo "REPOSITORIES += $(DEPOT_API_DIR)/$$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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