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76 lines
2.2 KiB
Makefile
Executable File
76 lines
2.2 KiB
Makefile
Executable File
#!/usr/bin/make -f
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#
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# \brief Dependencies list tool for DDE Linux
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# \author Stefan Kalkowski
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# \date 2021-06-16
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#
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help:
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$(ECHO) ""
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$(ECHO) "Create dependency list for DDE Linux"
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$(ECHO) ""
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$(ECHO) "This tool analyzes all dependencies of a DDE-Linux port to Genode."
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$(ECHO) "It extracts all referenced files from the given Linux kernel"
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$(ECHO) "and prints the results into a 'dep.list' file. It leaves out all"
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$(ECHO) "files that are already covered by the target's manually maintained"
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$(ECHO) "'source.list' file."
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$(ECHO) ""
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$(ECHO) "usage:"
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$(ECHO) ""
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$(ECHO) " list_dependencies <command> [VARIABLES]"
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$(ECHO) ""
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$(ECHO) "--- available commands ---"
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$(ECHO) "help - shows this help"
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$(ECHO) "generate - generates DEP_LIST_FILE for given TARGET_DIR"
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$(ECHO) ""
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$(ECHO) "--- used variables ---"
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$(ECHO) "TARGET_DIR - path to the Genode build target"
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$(ECHO) "LINUX_KERNEL_DIR - path to the Linux source tree"
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$(ECHO) "SOURCE_LIST_FILE - path to the file with all contrib sources listed"
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$(ECHO) "DEP_LIST_FILE - path to the file that shall be generated"
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$(ECHO) ""
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COMMAND := $(firstword $(MAKECMDGOALS))
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SHELL = bash
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ECHO = @echo -e
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#
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# Sanity checks
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#
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ifeq ($(COMMAND),generate)
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ifeq ($(realpath $(TARGET_DIR)),)
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$(error You have to state a valid build TARGET_DIR, try help)
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endif
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TARGET_ABS := $(shell realpath $(TARGET_DIR))
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ifeq ($(realpath $(LINUX_KERNEL_DIR)),)
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$(error You have to state a valid LINUX_KERNEL_DIR, try help)
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endif
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LINUX_KERNEL_DIR_ABS := $(realpath $(LINUX_KERNEL_DIR))
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ifeq ($(realpath $(SOURCE_LIST_FILE)),)
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$(error You have to state a valid SOURCE_LIST_FILE, try help)
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endif
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ifeq ($(DEP_LIST_FILE),)
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$(error You have to state a DEP_LIST_FILE, try help)
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endif
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ALL_SRCS := $(shell cat $(SOURCE_LIST_FILE))
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ALL_DEPS := $(subst $(LINUX_KERNEL_DIR_ABS)/,,$(shell find $(TARGET_ABS) -name "*.d" | xargs sed -e 's/.*://' -e 's/ \\$$//' | grep "$(LINUX_KERNEL_DIR_ABS)" | grep -v "/generated/" | xargs realpath -s | sort -u))
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is_src_file = $(firstword $(filter $(1),$(ALL_SRCS)))
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generate:
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$(shell rm -f $(DEP_LIST_FILE))
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$(foreach dep,$(ALL_DEPS),$(if $(call is_src_file,$(dep)),,$(shell echo $(dep) >> $(DEP_LIST_FILE))))
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@touch $(DEP_LIST_FILE)
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.PHONY: generate help
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endif
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