2 # Makefile for crosstool-NG.
3 # Copyright 2006 Yann E. MORIN <yann.morin.1998@anciens.enib.fr>
5 # Don't print directory as we descend into them
6 # Don't use built-in rules, we know what we're doing
7 MAKEFLAGS += --no-print-directory --no-builtin-rules
12 # This is where ct-ng is:
13 export CT_NG:=$(lastword $(MAKEFILE_LIST))
14 # and this is where we're working in:
15 export CT_TOP_DIR:=$(shell pwd)
17 # Paths and values set by ./configure
18 # Don't bother to change it other than with a new ./configure!
19 export CT_LIB_DIR:=@@CT_LIBDIR@@
20 export CT_DOC_DIR:=@@CT_DOCDIR@@
22 # This is crosstool-NG version string
23 export CT_VERSION:=@@CT_VERSION@@
25 # Paths found by ./configure
26 include $(CT_LIB_DIR)/paths.mk
28 # Some distributions (eg. Ubuntu) thought it wise to point /bin/sh to
29 # a truly POSIX-conforming shell, ash in this case. This is not so good
30 # as we, smart (haha!) developers (as smart we ourselves think we are),
31 # got used to bashisms, and are enclined to easiness... So force use of
35 # GREP_OPTIONS=--color=always will break the generated .in files
36 # We do not need any GREP_OPTIONS anyway, so set it to empty.
39 # Make the restart/stop steps availabe to scripts/crostool-NG.sh
40 export CT_STOP:=$(STOP)
41 export CT_RESTART:=$(RESTART)
45 ifeq ($(strip $(origin V)),command line)
46 ifeq ($(strip $(V)),0)
50 ifeq ($(strip $(V)),1)
54 ifeq ($(strip $(V)),2)
70 help:: help-head help-config help-samples help-build help-clean help-distrib help-env help-tail
73 @echo 'See below for a list of available actions, listed by category:'
77 @echo 'Configuration actions:'
81 @echo 'Preconfigured toolchains (#: force number of // jobs):'
85 @echo 'Build actions (#: force number of // jobs):'
89 @echo 'Clean actions:'
93 @echo 'Distribution actions:'
97 @echo 'Environement variables (see @@CT_DOCDIR@@/overview.txt):'
101 @echo 'Use action "config" or "menuconfig" to configure crosstool-NG'
102 @echo 'Use action "build" to build your toolchain'
103 @echo 'Use action "version" to see the version'
104 @echo 'See "man 1 ct-ng" for some help as well'
107 @echo ' build[.#] - Build the currently configured toolchain'
110 @echo ' clean - Remove generated files'
111 @echo ' distclean - Remove generated files, configuration and build directories'
113 include $(CT_LIB_DIR)/config/config.mk
114 include $(CT_LIB_DIR)/kconfig/kconfig.mk
115 include $(CT_LIB_DIR)/steps.mk
116 include $(CT_LIB_DIR)/samples/samples.mk
117 include $(CT_LIB_DIR)/scripts/scripts.mk
120 @echo ' show-tuple - Print the tuple of the currently configured toolchain'
123 @echo ' tarball - Build a tarball of the configured toolchain'
130 @echo "There is no existing .config file!"
131 @echo "You need to either run 'menuconfig',"
132 @echo "or configure an existing sample."
136 $(SILENT)$(bash) $(CT_LIB_DIR)/scripts/showTuple.sh
140 $(SILENT)$(CT_LIB_DIR)/scripts/crosstool-NG.sh
143 $(SILENT)$(MAKE) -rf $(CT_NG) $(shell echo "$(@)" |$(sed) -r -e 's|^([^.]+)\.([[:digit:]]+)$$|\1 CT_JOBS=\2|;')
147 # @$(CT_LIB_DIR)/scripts/tarball.sh
149 @echo 'Tarball creation disabled for now... Sorry.'
154 @echo 'This is crosstool-NG version $(CT_VERSION)'
156 @echo 'Copyright (C) 2008 Yann E. MORIN <yann.morin.1998@anciens.enib.fr>'
157 @echo 'This is free software; see the source for copying conditions.'
158 @echo 'There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A'
159 @echo 'PARTICULAR PURPOSE.'
164 @$(ECHO) " CLEAN log"
165 $(SILENT)rm -f log.* .config.* ..config*
169 @$(ECHO) " CLEAN .config"
170 $(SILENT)rm -f .config .config.* ..config*
171 @$(ECHO) " CLEAN targets"
172 $(SILENT)chmod -R u+w targets >/dev/null 2>&1 || true
173 $(SILENT)rm -rf targets