mirror of
https://github.com/genodelabs/genode.git
synced 2024-12-19 05:37:54 +00:00
8f27babf16
The <build-dir>/bin/ directory used to contain symbolic links to the unstripped build results. However, since the upcoming depot tool extracts the content of binary archives from bin/, the resulting archives would contain overly large unstripped binaries, which is undesired. On the other hand, always stripping the build results is not a good option either because we rely of symbol information during debugging. This patch changes the installation of build results such that a new 'debug/' directory is populated besides the existing 'bin/' directory. The debug directory contains symbolic links to the unstripped build results whereas the bin directory contains stripped binaries that are palatable for packaging (depot tool) and for assembling boot images (run tool).
365 lines
12 KiB
Makefile
365 lines
12 KiB
Makefile
#
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# \brief Front end to the Genode build system
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# \author Norman Feske
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# \date 2011-08-04
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#
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#
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# The operation of the build system can be tuned using the following variables,
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# which can be specified at the command line or supplied via the
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# 'etc/build.conf' file.
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#
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# BASE_DIR - this directory points to Genode's 'base' repository
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# REPOSITORIES - list of directories incorporared into the build process
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# VERBOSE - variable that controls the verboseness of the build process
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#
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# By default, compiler messages are not displayed. If you are
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# interested in these messages set this variable to nothing.
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# ('VERBOSE=')
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#
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# VERBOSE_MK - variable that controls the verboseness of make invocations
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# VERBOSE_DIR - variable that controls the verboseness of changing directories
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#
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# Using this variable, you can enable the make messages printed
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# when changing directories. To enable the messages, set the
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# variable to nothing.
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#
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# LIB_CACHE_DIR - location of the library build cache
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#
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# This variable defines the place for the library build cache.
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# Normally, the libcache is located at 'var/libcache' and
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# there is no need to change it.
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#
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# CONTRIB_DIR - location of ported 3rd-party source codes
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#
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# REQUIRED_GCC_VERSION - GCC version required for building Genode
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#
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##
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## Define global configuration variables
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##
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-include etc/build.conf
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BUILD_BASE_DIR := $(CURDIR)
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DEBUG_DIR := $(CURDIR)/debug
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INSTALL_DIR := $(CURDIR)/bin
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export BASE_DIR ?= ../base
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export REPOSITORIES ?= $(BASE_DIR:%base=%base-linux) $(BASE_DIR)
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export VERBOSE ?= @
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export VERBOSE_DIR ?= --no-print-directory
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export VERBOSE_MK ?= @
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export LIB_CACHE_DIR ?= $(BUILD_BASE_DIR)/var/libcache
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export LIB_PROGRESS_LOG ?= $(BUILD_BASE_DIR)/progress.log
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export LIB_DEP_FILE ?= var/libdeps
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export ECHO ?= echo -e
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export CONTRIB_DIR
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#
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# Convert user-defined directories to absolute directories
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#
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# The 'echo' shell command expands '~' characters to the home directory,
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# 'realpath' converts relative path names to absolute.
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#
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REPOSITORIES := $(realpath $(shell echo $(REPOSITORIES)))
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BASE_DIR := $(realpath $(shell echo $(BASE_DIR)))
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#
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# Configure shell program before executing any shell commands. On Ubuntu the
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# standard shell is dash, which breaks colored output via its built-in echo
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# command.
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#
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export SHELL := $(shell which bash)
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#
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# Fetch SPECS configuration from all source repositories and the build directory
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#
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SPECS :=
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-include $(foreach REP,$(REPOSITORIES),$(wildcard $(REP)/etc/specs.conf))
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-include $(BUILD_BASE_DIR)/etc/specs.conf
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#
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# \deprecated We include the repository-specific 'specs.conf' once again as the
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# build-dir-local etc/specs.conf (as created by create_builddir)
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# reassigns the 'SPECS' variable instead of appending it.
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# We sort the 'SPECS' to remove duplicates. We should remove this
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# once the old 'create_builddir' arguments are gone.
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#
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-include $(foreach REP,$(REPOSITORIES),$(wildcard $(REP)/etc/specs.conf))
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SPECS := $(sort $(SPECS))
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select_from_repositories = $(firstword $(foreach REP,$(REPOSITORIES),$(wildcard $(REP)/$(1))))
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#
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# Determine the spec files to incorporate into the build configuration from the
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# repositories. Always consider the spec files present in BASE_DIR. This is
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# needed when the build system is invoked from the package-build tool where the
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# repos/base is not present in the list of REPOSITORIES.
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#
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export SPEC_FILES := \
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$(sort $(foreach SPEC,$(SPECS),$(call select_from_repositories,mk/spec/$(SPEC).mk)) \
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$(wildcard $(foreach SPEC,$(SPECS),$(BASE_DIR)/mk/spec/$(SPEC).mk)))
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include $(SPEC_FILES)
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export SPECS
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include $(BASE_DIR)/mk/global.mk
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export LIBGCC_INC_DIR = $(shell dirname `$(CUSTOM_CXX_LIB) -print-libgcc-file-name`)/include
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#
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# Find out about the target directories to build
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#
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DST_DIRS := $(filter-out clean cleanall again run/%,$(MAKECMDGOALS))
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ifeq ($(MAKECMDGOALS),)
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DST_DIRS := *
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endif
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#
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# Tool chain version check
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#
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# Empty DST_DIRS is interpreted as a tool-chain agnostic target, e.g., clean.
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#
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ifneq ($(DST_DIRS),)
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REQUIRED_GCC_VERSION ?= 4.9.2
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GCC_VERSION := $(filter $(REQUIRED_GCC_VERSION) ,$(shell $(CUSTOM_CXX) --version))
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ifneq ($(GCC_VERSION), $(REQUIRED_GCC_VERSION))
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$(error "$(CUSTOM_CXX) version $(REQUIRED_GCC_VERSION) is required")
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endif
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endif
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#
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# Default rule: build all directories specified as make arguments
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#
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_all $(DST_DIRS): gen_deps_and_build_targets
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@true
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##
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## First stage: generate library dependencies
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##
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#
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# Reset library-build log and library-dependency file
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#
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# The 'progress' file contains the names of the already processed libraries
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# of the current build process. Before considering to process any library,
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# the build system checks if the library is already present in the 'progress'
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# file and, if yes, skips it.
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#
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.PHONY: init_progress_log
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init_progress_log:
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@echo "#" > $(LIB_PROGRESS_LOG)
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@echo "# Library build progress log - generated by dep_prg.mk and dep_lib.mk" >> $(LIB_PROGRESS_LOG)
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@echo "#" >> $(LIB_PROGRESS_LOG)
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.PHONY: init_libdep_file
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init_libdep_file: $(dir $(LIB_DEP_FILE))
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@echo "checking library dependencies..."
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@(echo "#"; \
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echo "# Library dependencies for build '$(DST_DIRS)'"; \
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echo "#"; \
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echo ""; \
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echo "export SPEC_FILES := \\"; \
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for i in $(SPEC_FILES); do \
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echo " $$i \\"; done; \
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echo ""; \
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echo "LIB_CACHE_DIR = $(LIB_CACHE_DIR)"; \
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echo "BASE_DIR = $(realpath $(BASE_DIR))"; \
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echo "VERBOSE ?= $(VERBOSE)"; \
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echo "VERBOSE_MK ?= $(VERBOSE_MK)"; \
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echo "VERBOSE_DIR ?= $(VERBOSE_DIR)"; \
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echo "INSTALL_DIR ?= $(INSTALL_DIR)"; \
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echo "DEBUG_DIR ?= $(DEBUG_DIR)"; \
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echo "SHELL ?= $(SHELL)"; \
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echo "MKDIR ?= mkdir"; \
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echo ""; \
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echo "all:"; \
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echo " @true # prevent nothing-to-be-done message"; \
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echo "") > $(LIB_DEP_FILE)
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#
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# We check if any target.mk files exist in the specified directories within
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# any of the repositories listed in the 'REPOSITORIES' variable.
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#
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$(dir $(LIB_DEP_FILE)):
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@mkdir -p $@
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#
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# Find all 'target.mk' files located within any of the specified subdirectories
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# ('DST_DIRS') and any repository. The 'sort' is used to remove duplicates.
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#
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TARGETS_TO_VISIT := $(shell find $(wildcard $(REPOSITORIES:=/src)) -false \
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$(foreach DST,$(DST_DIRS), \
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-or -path "*/src/$(DST)/**target.mk" \
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-printf " %P "))
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TARGETS_TO_VISIT := $(sort $(TARGETS_TO_VISIT))
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#
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# Perform sanity check for non-existing targets being specified at the command
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# line.
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#
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MISSING_TARGETS := $(strip \
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$(foreach DST,$(DST_DIRS),\
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$(if $(filter $(DST)/%,$(TARGETS_TO_VISIT)),,$(DST))))
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ifneq ($(MAKECMDGOALS),)
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ifneq ($(MISSING_TARGETS),)
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init_libdep_file: error_missing_targets
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error_missing_targets:
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@for target in $(MISSING_TARGETS); do \
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echo "Error: target '$$target' does not exist"; done
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@false;
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endif
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endif
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#
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# The procedure of collecting library dependencies is realized as a single
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# rule to gain maximum performance. If we invoked a rule for each target,
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# we would need to spawn one additional shell per target, which would take
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# 10-20 percent more time.
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#
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traverse_target_dependencies: $(dir $(LIB_DEP_FILE)) init_libdep_file init_progress_log
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$(VERBOSE_MK) \
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for target in $(TARGETS_TO_VISIT); do \
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for rep in $(REPOSITORIES); do \
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test -f $$rep/src/$$target || continue; \
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$(MAKE) $(VERBOSE_DIR) -f $(BASE_DIR)/mk/dep_prg.mk \
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REP_DIR=$$rep TARGET_MK=$$rep/src/$$target \
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BUILD_BASE_DIR=$(BUILD_BASE_DIR) \
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SHELL=$(SHELL) \
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DARK_COL="$(DARK_COL)" DEFAULT_COL="$(DEFAULT_COL)" || result=false; \
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break; \
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done; \
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done; $$result;
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#
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# Generate content of libdep file if manually building a single library
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# specified via the 'LIB' argument.
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#
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traverse_lib_dependencies: $(dir $(LIB_DEP_FILE)) init_libdep_file init_progress_log
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$(VERBOSE_MK) \
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$(MAKE) $(VERBOSE_DIR) -f $(BASE_DIR)/mk/dep_lib.mk \
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REP_DIR=$$rep LIB=$(LIB) \
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BUILD_BASE_DIR=$(BUILD_BASE_DIR) \
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SHELL=$(SHELL) \
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DARK_COL="$(DARK_COL)" DEFAULT_COL="$(DEFAULT_COL)"; \
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echo "all: $(LIB).lib" >> $(LIB_DEP_FILE); \
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.PHONY: $(LIB_DEP_FILE)
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#
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# Depending on whether the top-level target is a list of targets or a
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# single library, we populate the LIB_DEP_FILE differently.
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#
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ifeq ($(LIB),)
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$(LIB_DEP_FILE): traverse_target_dependencies
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else
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$(LIB_DEP_FILE): traverse_lib_dependencies
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endif
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##
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## Second stage: build targets based on the result of the first stage
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##
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$(INSTALL_DIR) $(DEBUG_DIR):
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$(VERBOSE)mkdir -p $@
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.PHONY: gen_deps_and_build_targets
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gen_deps_and_build_targets: $(INSTALL_DIR) $(DEBUG_DIR) $(LIB_DEP_FILE)
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@(echo ""; \
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echo "ifneq (\$$(MISSING_PORTS),)"; \
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echo "check_ports:"; \
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echo " @echo \"\""; \
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echo " @echo \"Error: Ports not prepared or outdated:\""; \
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echo " @echo \" \$$(sort \$$(MISSING_PORTS))\""; \
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echo " @echo \"\""; \
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echo " @echo \"You can prepare respectively update them as follows:\""; \
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echo " @echo \" $(GENODE_DIR)/tool/ports/prepare_port \$$(sort \$$(MISSING_PORTS))\""; \
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echo " @echo \"\""; \
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echo " @false"; \
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echo "else"; \
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echo "check_ports:"; \
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echo "endif"; \
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echo "") >> $(LIB_DEP_FILE)
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@$(VERBOSE_MK)$(MAKE) $(VERBOSE_DIR) -f $(LIB_DEP_FILE) all
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.PHONY: again
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again: $(INSTALL_DIR) $(DEBUG_DIR)
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@$(VERBOSE_MK)$(MAKE) $(VERBOSE_DIR) -f $(LIB_DEP_FILE) all
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##
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## Rules for running automated test cases
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##
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RUN_OPT ?=
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# helper for run/% rule
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RUN_SCRIPT = $(call select_from_repositories,run/$*.run)
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#
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# Read tools configuration to obtain the cross-compiler prefix passed
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# to the run script.
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#
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-include $(call select_from_repositories,etc/tools.conf)
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run/%: $(call select_from_repositories,run/%.run) $(RUN_ENV)
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$(VERBOSE)test -f "$(RUN_SCRIPT)" || (echo "Error: No run script for $*"; exit -1)
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$(VERBOSE)$(GENODE_DIR)/tool/run/run --genode-dir $(GENODE_DIR) \
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--name $* \
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--specs "$(SPECS)" \
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--repositories "$(REPOSITORIES)" \
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--cross-dev-prefix "$(CROSS_DEV_PREFIX)" \
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--qemu-args "$(QEMU_OPT)" \
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$(RUN_OPT) \
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--include $(RUN_SCRIPT)
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##
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## Clean rules
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##
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#
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# For cleaning, visit each directory for that a corresponding target.mk
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# file exists in the source tree. For each such directory, we call
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# the single_target rule.
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#
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clean_targets:
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$(VERBOSE_MK)for d in `$(GNU_FIND) -mindepth 1 -type d | $(TAC) | sed "s/^..//"`; do \
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for r in $(REPOSITORIES); do \
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test -f $$r/src/$$d/target.mk && \
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$(MAKE) $(VERBOSE_DIR) clean \
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-C $$d \
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-f $(BASE_DIR)/mk/prg.mk \
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BUILD_BASE_DIR=$(BUILD_BASE_DIR) \
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PRG_REL_DIR=$$d \
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SHELL=$(SHELL) \
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REP_DIR=$$r || \
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true; \
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done; \
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done
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clean_libcache:
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$(VERBOSE)rm -rf var/libcache
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clean_run:
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$(VERBOSE)rm -rf var/run
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$(VERBOSE)rm -rf config-00-00-00-00-00-00
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clean_gen_files:
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$(VERBOSE)rm -f $(LIB_PROGRESS_LOG)
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$(VERBOSE)rm -f $(LIB_DEP_FILE)
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clean_install_dir:
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$(VERBOSE)(test -d $(INSTALL_DIR) && find $(INSTALL_DIR) -type l -not -readable -delete) || true
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clean_debug_dir:
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$(VERBOSE)(test -d $(DEBUG_DIR) && find $(DEBUG_DIR) -type l -not -readable -delete) || true
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clean_empty_dirs: clean_targets clean_libcache clean_run clean_gen_files clean_install_dir clean_debug_dir
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$(VERBOSE)$(GNU_FIND) . -depth -type d -empty -delete
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clean cleanall: clean_empty_dirs
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