# # Copyright (C) 2007-2009 OpenWrt.org # # This is free software, licensed under the GNU General Public License v2. # See /LICENSE for more information. # # Main makefile for the toolchain # # 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 # curdir:=toolchain # subdirectories to descend into $(curdir)/builddirs := $(if $(CONFIG_GDB),gdb) $(if $(CONFIG_INSIGHT),insight) $(if $(CONFIG_EXTERNAL_TOOLCHAIN),wrapper,kernel-headers binutils gcc/minimal gcc/initial gcc/final $(LIBC)/headers $(LIBC)) ifdef CONFIG_USE_UCLIBC $(curdir)/builddirs += $(LIBC)/utils endif $(curdir)/builddirs-compile:=$($(curdir)/builddirs-prepare) $(curdir)/builddirs-install:=$($(curdir)/builddirs-compile) # builddir dependencies ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),) $(curdir)/gcc/minimal/compile:=$(curdir)/binutils/install $(curdir)/kernel-headers/install:=$(curdir)/gcc/minimal/install $(curdir)/gcc/initial/prepare:=$(curdir)/gcc/minimal/prepare $(curdir)/gcc/final/prepare:=$(curdir)/gcc/initial/prepare $(curdir)/$(LIBC)/headers/compile:=$(curdir)/kernel-headers/install $(curdir)/gcc/initial/compile:=$(curdir)/$(LIBC)/headers/install $(curdir)/$(LIBC)/compile:=$(curdir)/gcc/initial/install $(curdir)/gcc/final/compile:=$(curdir)/$(LIBC)/install $(curdir)/$(LIBC)/utils/compile:=$(curdir)/gcc/final/install $(curdir)/$(LIBC)/prepare:=$(curdir)/$(LIBC)/headers/prepare $(curdir)/$(LIBC)/utils/prepare:=$(curdir)/$(LIBC)/headers/prepare endif ifdef CONFIG_GCC_VERSION_LLVM $(curdir)/builddirs += llvm $(curdir)/gcc/minimal/compile += $(curdir)/llvm/install endif ifndef DUMP_TARGET_DB ifneq ($(ARCH),) $(TOOLCHAIN_DIR)/info.mk: .config @for dir in $(TOOLCHAIN_DIR); do ( \ $(if $(QUIET),,set -x;) \ mkdir -p "$$dir"; \ cd "$$dir"; \ ln -sf lib lib64; \ mkdir -p stamp lib usr/include usr/lib ; \ ); done @grep GCC_VERSION $@ >/dev/null 2>&1 || $(INSTALL_DATA) $(TOPDIR)/toolchain/info.mk $@ @touch $@ endif endif # 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 ifndef DUMP_TARGET_DB $(TOOLCHAIN_DIR)/stamp/.gcc-initial_installed: endif $(eval $(call stampfile,$(curdir),toolchain,install,$(TOOLCHAIN_DIR)/stamp/.gcc-initial_installed,,$(TOOLCHAIN_DIR))) $(eval $(call subdir,$(curdir))) n>
path: root/include/kernel-build.mk
blob: cc651f29b112a8b2232dd6f9dfaffb1ab3055e4f (plain) 
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