diff options
Diffstat (limited to 'ct-ng.in')
| -rw-r--r-- | ct-ng.in | 163 |
1 files changed, 154 insertions, 9 deletions
@@ -1,4 +1,4 @@ -#!@@CT_make@@ -rf +#!@MAKE@ -rf # Makefile for crosstool-NG. # Copyright 2006 Yann E. MORIN <yann.morin.1998@free.fr> @@ -14,16 +14,40 @@ 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:=$(shell cd "@srcdir@" && pwd) +export CT_LIBEXEC_DIR:=$(CT_TOP_DIR)/kconfig +export CT_DOC_DIR:=$(CT_TOP_DIR)/docs +else # Paths and values set by ./configure # Don't bother to change it other than with a new ./configure! -export CT_LIB_DIR:=@@CT_LIBDIR@@ -export CT_DOC_DIR:=@@CT_DOCDIR@@ +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:=@@CT_VERSION@@ +export CT_VERSION:=@PACKAGE_VERSION@ + +# Download agents used by scripts.mk +CT_WGET := @wget@ +CT_CURL := @curl@ # Paths found by ./configure -include $(CT_LIB_DIR)/paths.mk +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 @@ -62,6 +86,59 @@ all: help 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 + +# We need CONF for savedefconfig in scripts/saveSample.sh +export CONF := $(CT_LIBEXEC_DIR)/conf +MCONF := $(CT_LIBEXEC_DIR)/mconf +NCONF := $(CT_LIBEXEC_DIR)/nconf + +# Used by conf/mconf/nconf to find the .in files +# TBD needed? We do supply the defconfig name explicitly below +export srctree=$(CT_LIB_DIR) + +.PHONY: menuconfig nconfig oldconfig savedefconfig defconfig + +menuconfig: + @$(CT_ECHO) " CONF $@" + $(SILENT)$(MCONF) $(KCONFIG_TOP) + +nconfig: + @$(CT_ECHO) " CONF $@" + $(SILENT)$(NCONF) $(KCONFIG_TOP) + +oldconfig: .config + @$(CT_ECHO) " CONF $@" + $(SILENT)$(sed) -i -r -f $(CT_LIB_DIR)/scripts/upgrade.sed $< + $(SILENT)$(CONF) --silent$@ $(KCONFIG_TOP) + +savedefconfig: .config + @$(CT_ECHO) ' GEN $@' + $(SILENT)$(CONF) --savedefconfig=$${DEFCONFIG-defconfig} $(KCONFIG_TOP) + +defconfig: + @$(CT_ECHO) ' CONF $@' + $(SILENT)$(CONF) --defconfig=$${DEFCONFIG-defconfig} $(KCONFIG_TOP) + +# Always be silent, the stdout an be >.config +extractconfig: + @$(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 @@ -79,6 +156,7 @@ help-samples:: help-build:: @echo @echo 'Build actions (#: force number of // jobs):' + @echo ' list-steps - List all build steps' help-clean:: @echo @@ -90,7 +168,13 @@ help-distrib:: help-env:: @echo - @echo 'Environment variables (see @@CT_DOCDIR@@/0 - Table of content.txt):' + @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 @@ -107,12 +191,18 @@ help-clean:: @echo ' clean - Remove generated files' @echo ' distclean - Remove generated files, configuration and build directories' -include $(CT_LIB_DIR)/kconfig/kconfig.mk -include $(CT_LIB_DIR)/steps.mk 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 ' 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: $${DEFCONFIG}=./defconfig)' @echo ' show-tuple - Print the tuple of the currently configured toolchain' help-distrib:: @@ -139,11 +229,66 @@ source: .config $(SILENT)CT_SOURCE=y $(bash) $(CT_LIB_DIR)/scripts/crosstool-NG.sh build: .config - $(SILENT)$(bash) $(CT_LIB_DIR)/scripts/crosstool-NG.sh + $(SILENT)BUILD_NCPUS=`@@CT_cpucount@@ 2>/dev/null || echo 0` \ + $(bash) $(CT_LIB_DIR)/scripts/crosstool-NG.sh build.%: $(SILENT)$(MAKE) -rf $(CT_NG) build CT_JOBS=$* +# The _for_build steps are noop for native and cross, +# but are actual steps for canadian and cross-native. +# Please keep the last line with a '\' and keep the following empty line: +# it helps when diffing and merging. +CT_STEPS := \ + companion_tools_for_build \ + companion_libs_for_build \ + binutils_for_build \ + companion_tools_for_host \ + companion_libs_for_host \ + binutils_for_host \ + cc_core_pass_1 \ + kernel_headers \ + libc_start_files \ + cc_core_pass_2 \ + libc \ + cc_for_build \ + cc_for_host \ + libc_post_cc \ + companion_libs_for_target \ + binutils_for_target \ + debug \ + test_suite \ + finish \ + +# Keep an empty line above this comment, so the last +# back-slash terminated line works as expected. + +# Make the list available to sub-processes (scripts/crosstool-NG.sh needs it) +export CT_STEPS + +# Print the steps list +PHONY += list-steps +list-steps: + @echo 'Available build steps, in order:' + @for step in $(CT_STEPS); do \ + echo " - $${step}"; \ + done + @echo 'Use "<step>" as action to execute only that step.' + @echo 'Use "+<step>" as action to execute up to that step.' + @echo 'Use "<step>+" 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)' |