mirror of
https://github.com/crosstool-ng/crosstool-ng.git
synced 2024-12-18 20:37:56 +00:00
5a0be8b4ec
With libc_headers step before pass-1, there is no need to distinguish pass-1 and pass-2; they are configured identically (note that with the current configuration, core pass-2 is only used for win32 - hence, uses build_libgcc=yes and mode=static). Signed-off-by: Alexey Neyman <stilor@att.net>
343 lines
12 KiB
Makefile
343 lines
12 KiB
Makefile
#!@MAKE@ -rf
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# vim: set filetype=make noet :
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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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ifeq (@enable_local@,yes)
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# automake does not allow to set pkgxxxdir, they are always derived from
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# a respective xxxdir. So, for enable-local case, set them directly here.
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export CT_LIB_DIR:=$(patsubst %/,%,$(dir $(CT_NG)))
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export CT_LIBEXEC_DIR:=$(CT_LIB_DIR)/kconfig
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export CT_DOC_DIR:=$(CT_LIB_DIR)/docs
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export CT_LICENSE_DIR
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else
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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:=@pkgdatadir@
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export CT_LIBEXEC_DIR:=@pkglibexecdir@
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export CT_DOC_DIR:=@docdir@
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endif
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# This is crosstool-NG version string
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export CT_VERSION:=@PACKAGE_VERSION@
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# Export with an empty value: this masks the version detection variable in
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# user-visible configurators, and suppresses a warning from kconfig.
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export CT_VCHECK=
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# Current version of the configuration file. Defined here, because we also
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# need to pass it to the upgrade script - which may receive an input that
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# was not preprocessed by kconfig, and hence have no string for "up-to-date"
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# version.
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export CT_CONFIG_VERSION_CURRENT=4
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# Download agents used by scripts.mk
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CT_WGET := @wget@
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CT_CURL := @curl@
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# Paths found by ./configure
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export install = @INSTALL@
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export bash = @BASH_SHELL@
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export awk = @AWK@
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export grep = @GREP@
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export make = @MAKE@
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export sed = @SED@
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export libtool = @LIBTOOL@
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export libtoolize = @LIBTOOLIZE@
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export objcopy = @OBJCOPY@
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export objdump = @OBJDUMP@
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export readelf = @READELF@
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export patch = @PATCH@
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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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# Configuration rules. Currently, saveSample.sh uses some of the variables
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# below - they should be passed explicitly.
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# Top file of crosstool-NG configuration
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export KCONFIG_TOP = $(CT_LIB_DIR)/config/config.in
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CONF := $(CT_LIBEXEC_DIR)/conf
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CONF-menuconfig := $(CT_LIBEXEC_DIR)/mconf
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CONF-nconfig := $(CT_LIBEXEC_DIR)/nconf
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# Used by conf/mconf/nconf to find the .in files
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# TBD needed? We do supply the defconfig name explicitly below
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export srctree=$(CT_LIB_DIR)
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.PHONY: menuconfig nconfig oldconfig olddefconfig savedefconfig defconfig check-config extractconfig
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.PHONY: upgradeconfig
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check-config:
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@[ ! -e .config -o -f .config ] || { echo ".config is not a regular file:"; ls -dl .config; exit 1; } >&2
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menuconfig nconfig: check-config
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@$(CT_ECHO) " CONF $@"
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$(SILENT)if [ ! -f .config ] || CT_VCHECK=strict $(bash) $(CT_LIB_DIR)/scripts/version-check.sh .config; then \
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$(CONF-$@) $(KCONFIG_TOP); \
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else \
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CT_VCHECK=warning $(CONF-$@) $(KCONFIG_TOP); \
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fi
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oldconfig: .config check-config
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@$(CT_ECHO) " CONF $@"
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@$(bash) $(CT_LIB_DIR)/scripts/version-check.sh .config
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$(SILENT)$(CONF) --syncconfig $(KCONFIG_TOP)
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olddefconfig: .config check-config
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@$(CT_ECHO) " CONF $@"
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@$(bash) $(CT_LIB_DIR)/scripts/version-check.sh .config
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$(SILENT)$(CONF) --$@ $(KCONFIG_TOP)
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savedefconfig: .config check-config
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@$(CT_ECHO) ' GEN $@'
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$(SILENT)CT_VCHECK=save $(CONF) --savedefconfig=$${DEFCONFIG-defconfig} $(KCONFIG_TOP)
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defconfig: check-config
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@$(CT_ECHO) ' CONF $@'
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$(SILENT)CT_VCHECK=save $(CONF) --defconfig=$${DEFCONFIG-defconfig} $(KCONFIG_TOP)
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upgradeconfig: .config check-config
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$(SILENT)cp .config .config.before-upgrade
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$(SILENT)CT_UPGRADECONFIG=yes $(bash) $(CT_LIB_DIR)/scripts/version-check.sh .config
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@$(CT_ECHO) "Saving .config as .config.before-olddefconfig before running 'ct-ng olddefconfig'"
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$(SILENT)cp .config .config.before-olddefconfig
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$(SILENT)$(CONF) --olddefconfig $(KCONFIG_TOP)
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@$(CT_ECHO) "Done. You may now run 'ct-ng menuconfig' to edit the configuration."
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# Always be silent, the stdout an be >.config
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extractconfig:
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@$(awk) 'BEGIN { dump=0; } \
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dump==1 && $$0~/^\[.....\][[:space:]]+(# )?CT_/ { \
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$$1=""; \
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gsub("^[[:space:]]",""); \
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print; \
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} \
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$$0~/Dumping user-supplied crosstool-NG configuration: done in/ { \
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dump=0; \
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} \
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$$0~/Dumping user-supplied crosstool-NG configuration$$/ { \
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dump=1; \
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}'
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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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@echo ' list-steps - List all build steps'
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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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@if [ -r "@docdir@/manual/4_Building.md" ]; then \
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echo 'Environment variables (see @docdir@/0 - Table of content.txt):'; \
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else \
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echo 'Environment variables (see http://crosstool-ng.github.io/docs/build/)'; \
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fi
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@echo ' STOP=step - Stop the build just after this step (list with list-steps)'
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@echo ' RESTART=step - Restart the build just before this step (list with list-steps)'
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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)/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 ' menuconfig - Update current config using a menu based program'
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@echo ' nconfig - Update current config using a menu based program'
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@echo ' oldconfig - Update current config using a provided .config as base'
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@echo ' upgradeconfig - Upgrade config file to current crosstool-NG'
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@echo ' extractconfig - Extract to stdout the configuration items from a'
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@echo ' build.log file piped to stdin'
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@echo ' savedefconfig - Save current config as a mini-defconfig to $${DEFCONFIG}'
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@echo ' defconfig - Update config from a mini-defconfig $${DEFCONFIG}'
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@echo ' (default: $${DEFCONFIG}=./defconfig)'
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@echo ' show-tuple - Print the tuple of the currently configured toolchain'
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help-distrib::
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help-env::
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@echo ' V=0|1|2|<unset> - <unset> show only human-readable messages (default)'
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@echo ' 0 => do not show commands or human-readable message'
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@echo ' 1 => show only the commands being executed'
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@echo ' 2 => show both'
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# End help system
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.config:
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@echo "There is no existing .config file!"
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@echo "You need to either run 'menuconfig',"
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@echo "or configure an existing sample."
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@false
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show-tuple: .config
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$(SILENT)$(bash) $(CT_LIB_DIR)/scripts/show-tuple.sh '$${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)BUILD_NCPUS=`@CPU_COUNT@ 2>/dev/null || echo 0` \
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$(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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# The _for_build steps are noop for native and cross,
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# but are actual steps for canadian and cross-native.
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# Please keep the last line with a '\' and keep the following empty line:
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# it helps when diffing and merging.
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CT_STEPS := \
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companion_tools_for_build \
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companion_libs_for_build \
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binutils_for_build \
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companion_tools_for_host \
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companion_libs_for_host \
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binutils_for_host \
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libc_headers \
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kernel_headers \
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cc_core \
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libc_main \
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cc_for_build \
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cc_for_host \
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libc_post_cc \
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companion_libs_for_target \
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binutils_for_target \
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debug \
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test_suite \
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finish \
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# Keep an empty line above this comment, so the last
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# back-slash terminated line works as expected.
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# Make the list available to sub-processes (scripts/crosstool-NG.sh needs it)
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export CT_STEPS
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# Print the steps list
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PHONY += list-steps
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list-steps:
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@echo 'Available build steps, in order:'
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@for step in $(CT_STEPS); do \
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echo " - $${step}"; \
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done
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@echo 'Use "<step>" as action to execute only that step.'
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@echo 'Use "+<step>" as action to execute up to that step.'
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@echo 'Use "<step>+" as action to execute from that step onward.'
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# ----------------------------------------------------------
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# This part deals with executing steps
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$(CT_STEPS):
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$(SILENT)$(MAKE) -rf $(CT_NG) V=$(V) RESTART=$@ STOP=$@ build
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$(patsubst %,+%,$(CT_STEPS)):
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$(SILENT)$(MAKE) -rf $(CT_NG) V=$(V) STOP=$(patsubst +%,%,$@) build
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$(patsubst %,%+,$(CT_STEPS)):
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$(SILENT)$(MAKE) -rf $(CT_NG) V=$(V) RESTART=$(patsubst %+,%,$@) build
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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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