2 # Copyright (C) 2007 OpenWrt.org
4 # This is free software, licensed under the GNU General Public License v2.
5 # See /LICENSE for more information.
7 # Main makefile for the toolchain
11 # subdirectories to descend into
12 $(curdir)/builddirs := kernel-headers $(if $(CONFIG_GDB),gdb) $(if $(CONFIG_NATIVE_TOOLCHAIN),,binutils gcc uClibc)
13 $(curdir)/builddirs-compile:=. $(filter-out kernel-headers,$($(curdir)/builddirs))
14 $(curdir)/builddirs-install:=$($(curdir)/builddirs-compile)
16 # builddir dependencies
17 $(curdir)/uClibc/prepare:=$(curdir)/kernel-headers/prepare
18 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
19 $(curdir)/binutils/prepare:=$(curdir)/uClibc/prepare
20 $(curdir)/gcc/prepare:=$(curdir)/binutils/install
21 $(curdir)/uClibc/compile:=$(curdir)/gcc/compile
22 $(curdir)/gcc/install:=$(curdir)/uClibc/compile
23 $(curdir)/uClibc/install:=$(curdir)/gcc/install
26 $(TOOLCHAIN_DIR)/info.mk: .config
27 @for dir in $(TOOLCHAIN_DIR); do ( \
31 mkdir -p bin lib include stamp; \
33 @grep GCC_VERSION $@ >/dev/null 2>&1 || $(INSTALL_DATA) $(TOPDIR)/toolchain/info.mk $@
36 # prerequisites for the individual targets
37 $(curdir)/ := .config prereq
38 $(curdir)//prepare = $(STAGING_DIR)/.prepared $(TOOLCHAIN_DIR)/info.mk
39 $(curdir)//compile = $(1)/prepare
40 $(curdir)//install = $(1)/compile
42 $(TOOLCHAIN_DIR)/stamp/.gcc-initial_installed:
44 $(eval $(call stampfile,$(curdir),toolchain,install,$(TOOLCHAIN_DIR)/stamp/.gcc-initial_installed))
45 $(eval $(call subdir,$(curdir)))