X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/121ce3b367ebfcd69d04a2d90d85b7df0d5233ca..4f43c816a4ca405bedadc0f62ef109d210c02054:/toolchain/Makefile?ds=sidebyside diff --git a/toolchain/Makefile b/toolchain/Makefile index 4ffc46fb3..7762593ef 100644 --- a/toolchain/Makefile +++ b/toolchain/Makefile @@ -1,68 +1,71 @@ # -# Copyright (C) 2006 OpenWrt.org +# Copyright (C) 2007-2008 OpenWrt.org # # This is free software, licensed under the GNU General Public License v2. # See /LICENSE for more information. # # Main makefile for the toolchain # -include $(TOPDIR)/rules.mk -TARGETS-y:=sed kernel-headers sstrip binutils gcc uClibc ipkg-utils libnotimpl squashfs jffs2 lzma -TARGETS-$(CONFIG_GDB) += gdb - -TARGETS_DOWNLOAD:=$(patsubst %,%-download,$(TARGETS-y)) -TARGETS_INSTALL:=$(patsubst %,%-install,$(TARGETS-y)) -TARGETS_CLEAN:=$(patsubst %,%-clean,$(TARGETS-y)) - -all: install -download: $(TARGETS_DOWNLOAD) -install: $(TARGETS_INSTALL) -clean: $(TARGETS_CLEAN) - -kernel-headers-prepare: sed-install -uClibc-prepare: kernel-headers-prepare sstrip-install -binutils-prepare: uClibc-prepare -gcc-prepare: binutils-install -uClibc-compile: gcc-compile -gcc-install: uClibc-install -squashfs-compile: lzma-install - -TOOLCHAIN_STAMP_DIR:=$(STAGING_DIR)/stampfiles - -$(TOOLCHAIN_STAMP_DIR): - mkdir -p $@ +# Steps: +# 1) toolchain/binutils/install +# build & install binutils +# 2) toolchain/gcc/prepare +# build & install a minimal gcc, needed for steps 3 & 4 +# 3) toolchain/kernel-headers/install +# install kernel headers, needed for step 4 +# 4) toolchain/libc/prepare +# build & install libc headers & support files, needed for step 5 +# 5) toolchain/gcc/compile +# build & install an initial gcc, needed for step 6 +# 6) toolchain/libc/compile +# build & install the final libc +# 7) toolchain/gcc/install +# build & install the final gcc +# 8) toolchain/libc/install +# build & install libc utilities +# -$(STAGING_DIR): - @mkdir -p $@/lib - @mkdir -p $@/include - @mkdir -p $@/$(REAL_GNU_TARGET_NAME) - @ln -sf ../lib $@/$(REAL_GNU_TARGET_NAME)/lib +curdir:=toolchain -$(TOOL_BUILD_DIR): - @mkdir -p $@ +# subdirectories to descend into +$(curdir)/builddirs := kernel-headers $(if $(CONFIG_GDB),gdb) $(if $(CONFIG_NATIVE_TOOLCHAIN),,binutils gcc $(LIBC) $(if $(CONFIG_GLIBC_PORTS),glibc-ports)) +$(curdir)/builddirs-compile:=$($(curdir)/builddirs-prepare) +$(curdir)/builddirs-install:=$($(curdir)/builddirs-compile) -%-download: FORCE - $(MAKE) -C $(patsubst %-download,%,$@) download +# builddir dependencies +$(curdir)/$(LIBC)/prepare:=$(curdir)/kernel-headers/install +ifeq ($(CONFIG_NATIVE_TOOLCHAIN),) + $(curdir)/gcc/prepare:=$(curdir)/binutils/install + $(curdir)/kernel-headers/install:=$(curdir)/gcc/prepare + $(curdir)/gcc/compile:=$(curdir)/$(LIBC)/prepare + $(curdir)/$(LIBC)/compile:=$(curdir)/gcc/compile + $(curdir)/gcc/install:=$(curdir)/$(LIBC)/compile + $(curdir)/$(LIBC)/install:=$(curdir)/gcc/install + ifneq ($(CONFIG_GLIBC_PORTS),) + $(curdir)/glibc/prepare:=$(curdir)/glibc-ports/prepare + endif +endif -%-prepare: $(TOOLCHAIN_STAMP_DIR) $(STAGING_DIR) $(TOOL_BUILD_DIR) FORCE - @[ -f $(TOOLCHAIN_STAMP_DIR)/.toolchain_$@ ] || { \ - $(MAKE) -C $(patsubst %-prepare,%,$@) prepare; \ - } - @touch $(TOOLCHAIN_STAMP_DIR)/.toolchain_$@ +ifneq ($(ARCH),) + $(TOOLCHAIN_DIR)/info.mk: .config + @for dir in $(TOOLCHAIN_DIR); do ( \ + set -x; \ + mkdir -p "$$dir"; \ + cd "$$dir"; \ + mkdir -p stamp lib usr/include usr/lib ; \ + ); done + @grep GCC_VERSION $@ >/dev/null 2>&1 || $(INSTALL_DATA) $(TOPDIR)/toolchain/info.mk $@ + @touch $@ +endif -%-compile: %-prepare - @[ -f $(TOOLCHAIN_STAMP_DIR)/.toolchain_$@ ] || { \ - $(MAKE) -C $(patsubst %-compile,%,$@) compile; \ - } - @touch $(TOOLCHAIN_STAMP_DIR)/.toolchain_$@ +# prerequisites for the individual targets +$(curdir)/ := .config prereq +$(curdir)//prepare = $(STAGING_DIR)/.prepared $(TOOLCHAIN_DIR)/info.mk +$(curdir)//compile = $(1)/prepare +$(curdir)//install = $(1)/compile -%-install: %-compile - @[ -f $(TOOLCHAIN_STAMP_DIR)/.toolchain_$@ ] || { \ - $(MAKE) -C $(patsubst %-install,%,$@) install; \ - } - @touch $(TOOLCHAIN_STAMP_DIR)/.toolchain_$@ +$(TOOLCHAIN_DIR)/stamp/.gcc-initial_installed: -%-clean: FORCE - @$(MAKE) -C $(patsubst %-clean,%,$@) clean - @rm -f $(TOOLCHAIN_STAMP_DIR)/.toolchain_$(patsubst %-clean,%,$@)-* +$(eval $(call stampfile,$(curdir),toolchain,install,$(TOOLCHAIN_DIR)/stamp/.gcc-initial_installed)) +$(eval $(call subdir,$(curdir)))