#!@MAKE@ -rf # vim: set filetype=make noet : # Makefile for crosstool-NG. # Copyright 2006 Yann E. MORIN # Don't print directory as we descend into them # Don't use built-in rules, we know what we're doing MAKEFLAGS += --no-print-directory --no-builtin-rules # Don't go parallel .NOTPARALLEL: # This is where ct-ng is: export CT_NG:=$(abspath $(lastword $(MAKEFILE_LIST))) # and this is where we're working in: export CT_TOP_DIR:=$(shell pwd) ifeq (@enable_local@,yes) # automake does not allow to set pkgxxxdir, they are always derived from # a respective xxxdir. So, for enable-local case, set them directly here. export CT_LIB_DIR:=$(patsubst %/,%,$(dir $(CT_NG))) export CT_LIBEXEC_DIR:=$(CT_LIB_DIR)/kconfig export CT_DOC_DIR:=$(CT_LIB_DIR)/docs export CT_LICENSE_DIR else # Paths and values set by ./configure # Don't bother to change it other than with a new ./configure! export CT_LIB_DIR:=@pkgdatadir@ export CT_LIBEXEC_DIR:=@pkglibexecdir@ export CT_DOC_DIR:=@docdir@ endif # This is crosstool-NG version string export CT_VERSION:=@PACKAGE_VERSION@ # Export with an empty value: this masks the version detection variable in # user-visible configurators, and suppresses a warning from kconfig. export CT_VCHECK= # Current version of the configuration file. Defined here, because we also # need to pass it to the upgrade script - which may receive an input that # was not preprocessed by kconfig, and hence have no string for "up-to-date" # version. export CT_CONFIG_VERSION_CURRENT=4 # Download agents used by scripts.mk CT_WGET := @wget@ CT_CURL := @curl@ # Paths found by ./configure export install = @INSTALL@ export bash = @BASH_SHELL@ export awk = @AWK@ export grep = @GREP@ export make = @MAKE@ export sed = @SED@ export libtool = @LIBTOOL@ export libtoolize = @LIBTOOLIZE@ export objcopy = @OBJCOPY@ export objdump = @OBJDUMP@ export readelf = @READELF@ export patch = @PATCH@ # Some distributions (eg. Ubuntu) thought it wise to point /bin/sh to # a truly POSIX-conforming shell, ash in this case. This is not so good # as we, smart (haha!) developers (as smart we ourselves think we are), # got used to bashisms, and are inclined to easiness... So force use of # bash. export SHELL=$(bash) # Make the restart/stop steps available to scripts/crostool-NG.sh export CT_STOP:=$(STOP) export CT_RESTART:=$(RESTART) SILENT=@ CT_ECHO=echo ifeq ($(strip $(origin V)),command line) ifeq ($(strip $(V)),0) SILENT=@ CT_ECHO=: else ifeq ($(strip $(V)),1) SILENT= CT_ECHO=: else ifeq ($(strip $(V)),2) SILENT= CT_ECHO=echo endif # V == 2 endif # V== 1 endif # V == 0 endif # origin V export V SILENT CT_ECHO all: help .PHONY: $(PHONY) PHONY += all FORCE: # Configuration rules. Currently, saveSample.sh uses some of the variables # below - they should be passed explicitly. # Top file of crosstool-NG configuration export KCONFIG_TOP = $(CT_LIB_DIR)/config/config.in CONF := $(CT_LIBEXEC_DIR)/conf CONF-menuconfig := $(CT_LIBEXEC_DIR)/mconf CONF-nconfig := $(CT_LIBEXEC_DIR)/nconf # Used by conf/mconf/nconf to find the .in files # TBD needed? We do supply the defconfig name explicitly below export srctree=$(CT_LIB_DIR) .PHONY: menuconfig nconfig oldconfig olddefconfig savedefconfig defconfig check-config extractconfig .PHONY: upgradeconfig check-config: @[ ! -e .config -o -f .config ] || { echo ".config is not a regular file:"; ls -dl .config; exit 1; } >&2 menuconfig nconfig: check-config @$(CT_ECHO) " CONF $@" $(SILENT)if [ ! -f .config ] || CT_VCHECK=strict $(bash) $(CT_LIB_DIR)/scripts/version-check.sh .config; then \ $(CONF-$@) $(KCONFIG_TOP); \ else \ CT_VCHECK=warning $(CONF-$@) $(KCONFIG_TOP); \ fi oldconfig: .config check-config @$(CT_ECHO) " CONF $@" @$(bash) $(CT_LIB_DIR)/scripts/version-check.sh .config $(SILENT)$(CONF) --syncconfig $(KCONFIG_TOP) olddefconfig: .config check-config @$(CT_ECHO) " CONF $@" @$(bash) $(CT_LIB_DIR)/scripts/version-check.sh .config $(SILENT)$(CONF) --$@ $(KCONFIG_TOP) savedefconfig: .config check-config @$(CT_ECHO) ' GEN $@' $(SILENT)CT_VCHECK=save $(CONF) --savedefconfig=$${DEFCONFIG-defconfig} $(KCONFIG_TOP) defconfig: check-config @$(CT_ECHO) ' CONF $@' $(SILENT)CT_VCHECK=save $(CONF) --defconfig=$${DEFCONFIG-defconfig} $(KCONFIG_TOP) upgradeconfig: .config check-config $(SILENT)cp .config .config.before-upgrade $(SILENT)CT_UPGRADECONFIG=yes $(bash) $(CT_LIB_DIR)/scripts/version-check.sh .config @$(CT_ECHO) "Saving .config as .config.before-olddefconfig before running 'ct-ng olddefconfig'" $(SILENT)cp .config .config.before-olddefconfig $(SILENT)$(CONF) --olddefconfig $(KCONFIG_TOP) @$(CT_ECHO) "Done. You may now run 'ct-ng menuconfig' to edit the configuration." # Always be silent, the stdout an be >.config extractconfig: @$(awk) 'BEGIN { dump=0; } \ dump==1 && $$0~/^\[.....\][[:space:]]+(# )?CT_/ { \ $$1=""; \ gsub("^[[:space:]]",""); \ print; \ } \ $$0~/Dumping user-supplied crosstool-NG configuration: done in/ { \ dump=0; \ } \ $$0~/Dumping user-supplied crosstool-NG configuration$$/ { \ dump=1; \ }' # Help system help:: help-head help-config help-samples help-build help-clean help-distrib help-env help-tail help-head:: version @echo 'See below for a list of available actions, listed by category:' help-config:: @echo @echo 'Configuration actions:' help-samples:: @echo @echo 'Preconfigured toolchains (#: force number of // jobs):' help-build:: @echo @echo 'Build actions (#: force number of // jobs):' @echo ' list-steps - List all build steps' help-clean:: @echo @echo 'Clean actions:' help-distrib:: @echo @echo 'Distribution actions:' help-env:: @echo @if [ -r "@docdir@/manual/4_Building.md" ]; then \ echo 'Environment variables (see @docdir@/0 - Table of content.txt):'; \ else \ echo 'Environment variables (see http://crosstool-ng.github.io/docs/build/)'; \ fi @echo ' STOP=step - Stop the build just after this step (list with list-steps)' @echo ' RESTART=step - Restart the build just before this step (list with list-steps)' help-tail:: @echo @echo 'Use action "menuconfig" to configure your toolchain' @echo 'Use action "build" to build your toolchain' @echo 'Use action "version" to see the version' @echo 'See "man 1 $(notdir $(CT_NG))" for some help as well' help-build:: @echo ' source - Download sources for currently configured toolchain' @echo ' build[.#] - Build the currently configured toolchain' help-clean:: @echo ' clean - Remove generated files' @echo ' distclean - Remove generated files, configuration and build directories' include $(CT_LIB_DIR)/samples/samples.mk include $(CT_LIB_DIR)/scripts/scripts.mk help-config:: @echo ' menuconfig - Update current config using a menu based program' @echo ' nconfig - Update current config using a menu based program' @echo ' oldconfig - Update current config using a provided .config as base' @echo ' upgradeconfig - Upgrade config file to current crosstool-NG' @echo ' extractconfig - Extract to stdout the configuration items from a' @echo ' build.log file piped to stdin' @echo ' savedefconfig - Save current config as a mini-defconfig to $${DEFCONFIG}' @echo ' defconfig - Update config from a mini-defconfig $${DEFCONFIG}' @echo ' (default: $${DEFCONFIG}=./defconfig)' @echo ' show-tuple - Print the tuple of the currently configured toolchain' help-distrib:: help-env:: @echo ' V=0|1|2| - show only human-readable messages (default)' @echo ' 0 => do not show commands or human-readable message' @echo ' 1 => show only the commands being executed' @echo ' 2 => show both' # End help system .config: @echo "There is no existing .config file!" @echo "You need to either run 'menuconfig'," @echo "or configure an existing sample." @false show-tuple: .config $(SILENT)$(bash) $(CT_LIB_DIR)/scripts/show-tuple.sh '$${CT_TARGET}' # Actual build source: .config $(SILENT)CT_SOURCE=y $(bash) $(CT_LIB_DIR)/scripts/crosstool-NG.sh build: .config $(SILENT)BUILD_NCPUS=`@CPU_COUNT@ 2>/dev/null || echo 0` \ $(bash) $(CT_LIB_DIR)/scripts/crosstool-NG.sh build.%: $(SILENT)$(MAKE) -rf $(CT_NG) build CT_JOBS=$* # The _for_build steps are noop for native and cross, # but are actual steps for canadian and cross-native. # Please keep the last line with a '\' and keep the following empty line: # it helps when diffing and merging. CT_STEPS := \ companion_tools_for_build \ companion_libs_for_build \ binutils_for_build \ companion_tools_for_host \ companion_libs_for_host \ binutils_for_host \ linker \ libc_headers \ kernel_headers \ cc_core \ libc_main \ cc_for_build \ cc_for_host \ libc_post_cc \ companion_libs_for_target \ binutils_for_target \ debug \ test_suite \ finish \ # Keep an empty line above this comment, so the last # back-slash terminated line works as expected. # Make the list available to sub-processes (scripts/crosstool-NG.sh needs it) export CT_STEPS # Print the steps list PHONY += list-steps list-steps: @echo 'Available build steps, in order:' @for step in $(CT_STEPS); do \ echo " - $${step}"; \ done @echo 'Use "" as action to execute only that step.' @echo 'Use "+" as action to execute up to that step.' @echo 'Use "+" as action to execute from that step onward.' # ---------------------------------------------------------- # This part deals with executing steps $(CT_STEPS): $(SILENT)$(MAKE) -rf $(CT_NG) V=$(V) RESTART=$@ STOP=$@ build $(patsubst %,+%,$(CT_STEPS)): $(SILENT)$(MAKE) -rf $(CT_NG) V=$(V) STOP=$(patsubst +%,%,$@) build $(patsubst %,%+,$(CT_STEPS)): $(SILENT)$(MAKE) -rf $(CT_NG) V=$(V) RESTART=$(patsubst %+,%,$@) build PHONY += version version: @echo 'This is crosstool-NG version $(CT_VERSION)' @echo @echo 'Copyright (C) 2008 Yann E. MORIN ' @echo 'This is free software; see the source for copying conditions.' @echo 'There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A' @echo 'PARTICULAR PURPOSE.' @echo PHONY += clean clean:: @$(CT_ECHO) " CLEAN log" $(SILENT)rm -f build.log @$(CT_ECHO) " CLEAN build dir" $(SILENT)[ ! -d targets ] || chmod -R u+w targets $(SILENT)[ ! -d .build ] || chmod -R u+w .build $(SILENT)rm -rf targets .build .build-all PHONY += distclean distclean:: clean @$(CT_ECHO) " CLEAN .config" $(SILENT)rm -f .config .config.* ..config*