toolchain/kernel-headers/Makefile

   1 #
   2 # Copyright (C) 2006-2009 OpenWrt.org
   3 #
   4 # This is free software, licensed under the GNU General Public License v2.
   5 # See /LICENSE for more information.
   6 #
   7 include $(TOPDIR)/rules.mk
   8
   9 KERNEL_BUILD_DIR := $(BUILD_DIR_TOOLCHAIN)
  10 BUILD_DIR := $(KERNEL_BUILD_DIR)
  11
  12 STAGING_DIR_HOST:=$(TOOLCHAIN_DIR)
  13 BUILD_DIR_HOST:=$(BUILD_DIR_TOOLCHAIN)
  14
  15 override QUILT:=
  16 override CONFIG_AUTOREBUILD=
  17
  18 include $(INCLUDE_DIR)/kernel.mk
  19
  20 PKG_NAME:=linux
  21 PKG_VERSION:=$(LINUX_VERSION)
  22 PKG_SOURCE:=$(LINUX_SOURCE)
  23 PKG_SOURCE_URL:=$(LINUX_SITE)
  24 PKG_BUILD_DIR:=$(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
  25 PKG_MD5SUM:=$(LINUX_KERNEL_MD5SUM)
  26 LINUX_DIR := $(PKG_BUILD_DIR)
  27
  28 include $(INCLUDE_DIR)/host-build.mk
  29 include $(INCLUDE_DIR)/kernel-defaults.mk
  30
  31 ifeq ($(strip $(BOARD)),uml)
  32   LINUX_KARCH:=$(ARCH)
  33 endif
  34
  35 KMAKE := $(MAKE) -C $(PKG_BUILD_DIR) \
  36         ARCH=$(LINUX_KARCH) \
  37         KBUILD_HAVE_NLS=no \
  38         CONFIG_SHELL=$(BASH)
  39
  40 define Build/Prepare/pre/cris
  41         ln -sf $(PKG_BUILD_DIR)/include/asm-cris/arch-v10 $(PKG_BUILD_DIR)/include/asm-cris/arch
  42         ln -sf $(PKG_BUILD_DIR)/include/asm-cris/arch-v10 $(PKG_BUILD_DIR)/arch/cris/arch
  43 endef
  44
  45 define Build/Prepare/pre/powerpc
  46         if [ -d $(PKG_BUILD_DIR)/include/asm-ppc ]; then \
  47                 $(CP) $(PKG_BUILD_DIR)/include/asm-ppc/* $(PKG_BUILD_DIR)/include/asm-powerpc/; \
  48                 rm -rf $(PKG_BUILD_DIR)/include/asm-ppc; \
  49                 ln -s $(PKG_BUILD_DIR)/include/asm-powerpc $(PKG_BUILD_DIR)/include/asm-ppc; \
  50         fi
  51 endef
  52
  53 ifeq ($(strip $(call CompareKernelPatchVer,$(KERNEL_PATCHVER),ge,2.6.18)),1)
  54   define Build/Prepare/all
  55         mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr
  56         $(KMAKE) \
  57                 CROSS_COMPILE=$(TARGET_CROSS) \
  58                 INSTALL_HDR_PATH="$(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/" \
  59                 headers_install
  60   endef
  61 else
  62   define Build/Prepare/all
  63         mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include
  64         cp -pLR \
  65                 $(PKG_BUILD_DIR)/include/asm \
  66                 $(PKG_BUILD_DIR)/include/asm-generic \
  67                 $(PKG_BUILD_DIR)/include/asm-$(LINUX_KARCH) \
  68                 $(PKG_BUILD_DIR)/include/linux \
  69                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
  70   endef
  71 endif
  72
  73 # XXX: the following is needed to build lzma-loader
  74 define Build/Prepare/lzma
  75         $(CP) \
  76                 $(PKG_BUILD_DIR)/include/asm-mips/asm.h \
  77                 $(PKG_BUILD_DIR)/include/asm-mips/regdef.h \
  78                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/
  79 endef
  80
  81 # XXX: the following is needed to build final gcc on cris
  82 define Build/Prepare/post/cris
  83         mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/arch
  84         $(CP) \
  85                 $(PKG_BUILD_DIR)/include/asm-cris/arch/ptrace.h \
  86                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/arch/
  87 endef
  88
  89 define Build/Prepare/post/mips
  90         $(call Build/Prepare/lzma)
  91 endef
  92
  93 define Build/Prepare/post/mipsel
  94         $(call Build/Prepare/lzma)
  95 endef
  96
  97 define Build/Prepare
  98         $(call Kernel/Prepare/Default)
  99         ln -sf linux-$(LINUX_VERSION) $(BUILD_DIR_TOOLCHAIN)/linux
 100         $(SED) 's/@expr length/@-expr length/' $(PKG_BUILD_DIR)/Makefile
 101         yes '' | $(KMAKE) oldconfig
 102         $(KMAKE) include/linux/version.h include/asm
 103         if [ -d $(PKG_BUILD_DIR)/arch/$(LINUX_KARCH)/include/asm ]; then \
 104                 $(CP) \
 105                         $(PKG_BUILD_DIR)/arch/$(LINUX_KARCH)/include/asm/. \
 106                         $(PKG_BUILD_DIR)/include/asm-$(LINUX_KARCH)/; \
 107         fi
 108         $(call Build/Prepare/pre/$(ARCH))
 109         $(call Build/Prepare/all)
 110         $(call Build/Prepare/post/$(ARCH))
 111 endef
 112
 113 define Build/Configure
 114 endef
 115
 116 define Build/Compile
 117 endef
 118
 119 define Build/Install
 120         $(CP) $(BUILD_DIR_TOOLCHAIN)/linux-dev/* $(TOOLCHAIN_DIR)/
 121 endef
 122
 123 define Build/Clean
 124         rm -rf \
 125                 $(PKG_BUILD_DIR) \
 126                 $(BUILD_DIR_TOOLCHAIN)/linux \
 127                 $(BUILD_DIR_TOOLCHAIN)/linux-dev
 128 endef
 129
 130 $(eval $(call HostBuild))