toolchain/Makefile

   1 #
   2 # Copyright (C) 2007 OpenWrt.org
   3 #
   4 # This is free software, licensed under the GNU General Public License v2.
   5 # See /LICENSE for more information.
   6 #
   7 # Main makefile for the toolchain
   8 #
   9 curdir:=toolchain
  10
  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)
  15
  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
  24 endif
  25
  26 $(TOOLCHAIN_DIR)/info.mk: .config
  27         @for dir in $(TOOLCHAIN_DIR); do ( \
  28                 set -x; \
  29                 mkdir -p "$$dir"; \
  30                 cd "$$dir"; \
  31                 mkdir -p bin lib include stamp; \
  32         ); done
  33         @grep GCC_VERSION $@ >/dev/null 2>&1 || $(INSTALL_DATA) $(TOPDIR)/toolchain/info.mk $@
  34         @touch $@
  35
  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
  41
  42 $(TOOLCHAIN_DIR)/stamp/.gcc-initial_installed:
  43
  44 $(eval $(call stampfile,$(curdir),toolchain,install,$(TOOLCHAIN_DIR)/stamp/.gcc-initial_installed))
  45 $(eval $(call subdir,$(curdir)))
  46