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https://github.com/crosstool-ng/crosstool-ng.git
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170 lines
4.5 KiB
Plaintext
170 lines
4.5 KiB
Plaintext
#!@@CT_make@@ -rf
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# Makefile for crosstool-NG.
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# Copyright 2006 Yann E. MORIN <yann.morin.1998@free.fr>
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# Don't print directory as we descend into them
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# Don't use built-in rules, we know what we're doing
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MAKEFLAGS += --no-print-directory --no-builtin-rules
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# Don't go parallel
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.NOTPARALLEL:
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# This is where ct-ng is:
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export CT_NG:=$(abspath $(lastword $(MAKEFILE_LIST)))
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# and this is where we're working in:
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export CT_TOP_DIR:=$(shell pwd)
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# Paths and values set by ./configure
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# Don't bother to change it other than with a new ./configure!
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export CT_LIB_DIR:=@@CT_LIBDIR@@
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export CT_DOC_DIR:=@@CT_DOCDIR@@
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# This is crosstool-NG version string
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export CT_VERSION:=@@CT_VERSION@@
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# Paths found by ./configure
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include $(CT_LIB_DIR)/paths.mk
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# Some distributions (eg. Ubuntu) thought it wise to point /bin/sh to
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# a truly POSIX-conforming shell, ash in this case. This is not so good
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# as we, smart (haha!) developers (as smart we ourselves think we are),
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# got used to bashisms, and are inclined to easiness... So force use of
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# bash.
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export SHELL=$(bash)
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# Make the restart/stop steps available to scripts/crostool-NG.sh
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export CT_STOP:=$(STOP)
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export CT_RESTART:=$(RESTART)
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SILENT=@
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CT_ECHO=echo
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ifeq ($(strip $(origin V)),command line)
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ifeq ($(strip $(V)),0)
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SILENT=@
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CT_ECHO=:
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else
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ifeq ($(strip $(V)),1)
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SILENT=
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CT_ECHO=:
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else
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ifeq ($(strip $(V)),2)
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SILENT=
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CT_ECHO=echo
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endif # V == 2
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endif # V== 1
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endif # V == 0
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endif # origin V
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export V SILENT CT_ECHO
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all: help
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.PHONY: $(PHONY)
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PHONY += all
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FORCE:
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# Help system
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help:: help-head help-config help-samples help-build help-clean help-distrib help-env help-tail
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help-head:: version
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@echo 'See below for a list of available actions, listed by category:'
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help-config::
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@echo
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@echo 'Configuration actions:'
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help-samples::
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@echo
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@echo 'Preconfigured toolchains (#: force number of // jobs):'
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help-build::
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@echo
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@echo 'Build actions (#: force number of // jobs):'
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help-clean::
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@echo
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@echo 'Clean actions:'
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help-distrib::
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@echo
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@echo 'Distribution actions:'
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help-env::
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@echo
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@echo 'Environment variables (see @@CT_DOCDIR@@/0 - Table of content.txt):'
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help-tail::
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@echo
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@echo 'Use action "menuconfig" to configure your toolchain'
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@echo 'Use action "build" to build your toolchain'
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@echo 'Use action "version" to see the version'
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@echo 'See "man 1 $(notdir $(CT_NG))" for some help as well'
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help-build::
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@echo ' source - Download sources for currently configured toolchain'
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@echo ' build[.#] - Build the currently configured toolchain'
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help-clean::
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@echo ' clean - Remove generated files'
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@echo ' distclean - Remove generated files, configuration and build directories'
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include $(CT_LIB_DIR)/kconfig/kconfig.mk
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include $(CT_LIB_DIR)/steps.mk
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include $(CT_LIB_DIR)/samples/samples.mk
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include $(CT_LIB_DIR)/scripts/scripts.mk
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help-config::
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@echo ' show-tuple - Print the tuple of the currently configured toolchain'
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help-distrib::
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help-env::
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@echo ' V=0|1|2|<unset> - <unset> show only human-readable messages (default)'
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@echo ' 0 => do not show commands or human-readable message'
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@echo ' 1 => show only the commands being executed'
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@echo ' 2 => show both'
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# End help system
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.config:
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@echo "There is no existing .config file!"
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@echo "You need to either run 'menuconfig',"
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@echo "or configure an existing sample."
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@false
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show-tuple: .config
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$(SILENT)$(bash) $(CT_LIB_DIR)/scripts/show-tuple.sh '$${CT_TARGET}'
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# Actual build
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source: .config
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$(SILENT)CT_SOURCE=y $(bash) $(CT_LIB_DIR)/scripts/crosstool-NG.sh
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build: .config
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$(SILENT)$(bash) $(CT_LIB_DIR)/scripts/crosstool-NG.sh
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build.%:
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$(SILENT)$(MAKE) -rf $(CT_NG) build CT_JOBS=$*
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PHONY += version
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version:
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@echo 'This is crosstool-NG version $(CT_VERSION)'
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@echo
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@echo 'Copyright (C) 2008 Yann E. MORIN <yann.morin.1998@free.fr>'
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@echo 'This is free software; see the source for copying conditions.'
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@echo 'There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A'
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@echo 'PARTICULAR PURPOSE.'
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@echo
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PHONY += clean
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clean::
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@$(CT_ECHO) " CLEAN log"
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$(SILENT)rm -f build.log
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@$(CT_ECHO) " CLEAN build dir"
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$(SILENT)[ ! -d targets ] || chmod -R u+w targets
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$(SILENT)[ ! -d .build ] || chmod -R u+w .build
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$(SILENT)rm -rf targets .build .build-all
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PHONY += distclean
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distclean:: clean
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@$(CT_ECHO) " CLEAN .config"
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$(SILENT)rm -f .config .config.* ..config*
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