toolchain/kernel-headers/Makefile

   1 #
   2 # Copyright (C) 2006-2008 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                 $(BUILD_DIR_TOOLCHAIN)/linux/include/asm \
  66                 $(BUILD_DIR_TOOLCHAIN)/linux/include/asm-generic \
  67                 $(BUILD_DIR_TOOLCHAIN)/linux/include/asm-$(LINUX_KARCH) \
  68                 $(BUILD_DIR_TOOLCHAIN)/linux/include/linux \
  69                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
  70   endef
  71 endif
  72
  73 define Build/Prepare
  74         $(call Kernel/Prepare/Default)
  75         $(SED) 's/@expr length/@-expr length/' $(PKG_BUILD_DIR)/Makefile
  76         ln -sf linux-$(LINUX_VERSION) $(LINUX_HEADERS_DIR)
  77         yes '' | $(KMAKE) oldconfig
  78         $(KMAKE) include/linux/version.h include/asm
  79         if [ -d $(PKG_BUILD_DIR)/arch/$(LINUX_KARCH)/include/asm ]; then \
  80                 $(CP) \
  81                         $(PKG_BUILD_DIR)/arch/$(LINUX_KARCH)/include/asm/. \
  82                         $(PKG_BUILD_DIR)/include/asm-$(LINUX_KARCH)/; \
  83         fi
  84         $(call Build/Prepare/pre/$(ARCH))
  85         $(call Build/Prepare/all)
  86 endef
  87
  88 define Build/Configure
  89 endef
  90
  91 define Build/Compile
  92 endef
  93
  94 define Build/Install/all
  95         mkdir -p $(TOOLCHAIN_DIR)/usr/include
  96         $(CP) \
  97                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/* \
  98                 $(TOOLCHAIN_DIR)/usr/include/
  99 endef
 100
 101 # XXX: the following is needed to build lzma-loader
 102 define Build/Install/post/lzma
 103         $(CP) \
 104                 $(BUILD_DIR_TOOLCHAIN)/linux/include/asm-mips/asm.h \
 105                 $(BUILD_DIR_TOOLCHAIN)/linux/include/asm-mips/regdef.h \
 106                 $(TOOLCHAIN_DIR)/usr/include/asm/
 107 endef
 108
 109 define Build/Install/post/mips
 110         $(call Build/Install/post/lzma)
 111 endef
 112
 113 define Build/Install/post/mipsel
 114         $(call Build/Install/post/lzma)
 115 endef
 116
 117 define Build/Install
 118         $(call Build/Install/all)
 119         $(call Build/Install/post/$(ARCH))
 120 endef
 121
 122 define Build/Clean
 123         rm -rf \
 124                 $(PKG_BUILD_DIR) \
 125                 $(BUILD_DIR_TOOLCHAIN)/linux \
 126                 $(BUILD_DIR_TOOLCHAIN)/linux-dev
 127 endef
 128
 129 $(eval $(call HostBuild))