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tool/dde_linux: add list_dependencies utility

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Fix #4204
This commit is contained in:
Stefan Kalkowski 2021-06-18 13:46:18 +02:00 committed by Christian Helmuth
parent b83c8f35c6
commit ed0cc5330e
1 changed files with 75 additions and 0 deletions
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75
tool/dde_linux/list_dependencies Executable file
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#!/usr/bin/make -f
#
# \brief Dependencies list tool for DDE Linux
# \author Stefan Kalkowski
# \date 2021-06-16
#
help:
$(ECHO) ""
$(ECHO) "Create dependency list for DDE Linux"
$(ECHO) ""
$(ECHO) "This tool analyzes all dependencies of a DDE Linux port to Genode."
$(ECHO) "It extracts all referenced files from the given Linux kernel,"
$(ECHO) "and prints the results into a file. Thereby, it leaves out all files"
$(ECHO) "that gets already build by the Genode target, which have to be"
$(ECHO) "listed in a separate given sources file."
$(ECHO) ""
$(ECHO) "usage:"
$(ECHO) ""
$(ECHO) " list_dependencies <command> [VARIABLES]"
$(ECHO) ""
$(ECHO) "--- available commands ---"
$(ECHO) "help - shows this help"
$(ECHO) "generate - generates DEP_LIST_FILE for given TARGET_DIR"
$(ECHO) ""
$(ECHO) "--- used variables ---"
$(ECHO) "TARGET_DIR - path to the Genode build target"
$(ECHO) "LINUX_KERNEL_DIR - path to the Linux kernel build"
$(ECHO) "SOURCE_LIST_FILE - path to the file with all contrib sources listed"
$(ECHO) "DEP_LIST_FILE - path to the file that shall be generated"
$(ECHO) ""
COMMAND := $(firstword $(MAKECMDGOALS))
SHELL = bash
ECHO = @echo -e
#
# Sanity checks
#
ifeq ($(COMMAND),generate)
ifeq ($(realpath $(TARGET_DIR)),)
$(error You have to state a valid build TARGET_DIR, try help)
endif
TARGET_ABS := $(shell realpath $(TARGET_DIR))
ifeq ($(realpath $(LINUX_KERNEL_DIR)),)
$(error You have to state a valid LINUX_KERNEL_DIR, try help)
endif
LINUX_KERNEL_DIR_ABS := $(realpath $(LINUX_KERNEL_DIR))
ifeq ($(realpath $(SOURCE_LIST_FILE)),)
$(error You have to state a valid SOURCE_LIST_FILE, try help)
endif
ifeq ($(DEP_LIST_FILE),)
$(error You have to state a DEP_LIST_FILE, try help)
endif
ALL_SRCS := $(shell cat $(SOURCE_LIST_FILE))
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))
is_src_file = $(firstword $(filter $(1),$(ALL_SRCS)))
generate:
$(shell rm -f $(DEP_LIST_FILE))
$(foreach dep,$(ALL_DEPS),$(if $(call is_src_file,$(dep)),,$(shell echo $(dep) >> $(DEP_LIST_FILE))))
@touch $(DEP_LIST_FILE)
.PHONY: generate help
endif