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 ifeq ($(strip $(call CompareKernelPatchVer,$(KERNEL_PATCHVER),ge,2.6.18)),1)
  36   LINUX_HAS_HEADERS_INSTALL:=y
  37 endif
  38
  39 KMAKE := $(MAKE) -C $(PKG_BUILD_DIR) \
  40         ARCH=$(LINUX_KARCH) \
  41         KBUILD_HAVE_NLS=no \
  42         CONFIG_SHELL=$(BASH)
  43
  44 define Build/Prepare/pre/cris
  45         ln -sf $(PKG_BUILD_DIR)/include/asm-cris/arch-v10 $(PKG_BUILD_DIR)/include/asm-cris/arch
  46         ln -sf $(PKG_BUILD_DIR)/include/asm-cris/arch-v10 $(PKG_BUILD_DIR)/arch/cris/arch
  47 endef
  48
  49 define Build/Prepare/pre/powerpc
  50         if [ -d $(PKG_BUILD_DIR)/include/asm-ppc ]; then \
  51                 $(CP) $(PKG_BUILD_DIR)/include/asm-ppc/* $(PKG_BUILD_DIR)/include/asm-powerpc/; \
  52                 rm -rf $(PKG_BUILD_DIR)/include/asm-ppc; \
  53                 ln -s $(PKG_BUILD_DIR)/include/asm-powerpc $(PKG_BUILD_DIR)/include/asm-ppc; \
  54         fi
  55 endef
  56
  57 ifneq ($(LINUX_HAS_HEADERS_INSTALL),)
  58   define Build/Prepare/all
  59         mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr
  60         $(KMAKE) \
  61                 CROSS_COMPILE=$(TARGET_CROSS) \
  62                 INSTALL_HDR_PATH="$(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/" \
  63                 headers_install
  64   endef
  65 else
  66   define Build/Prepare/all
  67         mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include
  68         cp -pLR \
  69                 $(PKG_BUILD_DIR)/include/asm \
  70                 $(PKG_BUILD_DIR)/include/asm-generic \
  71                 $(PKG_BUILD_DIR)/include/asm-$(LINUX_KARCH) \
  72                 $(PKG_BUILD_DIR)/include/linux \
  73                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
  74   endef
  75 endif
  76
  77 # XXX: the following is needed to build lzma-loader
  78 define Build/Prepare/lzma
  79         $(CP) \
  80                 $(PKG_BUILD_DIR)/include/asm-mips/asm.h \
  81                 $(PKG_BUILD_DIR)/include/asm-mips/regdef.h \
  82                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/
  83 endef
  84
  85 # XXX: the following are needed to build a cris toolchain
  86 define Build/Prepare/post/cris
  87         $(CP) \
  88                 $(PKG_BUILD_DIR)/include/linux/user.h \
  89                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/linux/
  90         $(CP) \
  91                 $(PKG_BUILD_DIR)/include/asm-cris/elf.h \
  92                 $(PKG_BUILD_DIR)/include/asm-cris/page.h \
  93                 $(PKG_BUILD_DIR)/include/asm-cris/user.h \
  94                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/
  95         mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/arch
  96         $(CP) \
  97                 $(PKG_BUILD_DIR)/include/asm-cris/arch/elf.h \
  98                 $(PKG_BUILD_DIR)/include/asm-cris/arch/page.h \
  99                 $(PKG_BUILD_DIR)/include/asm-cris/arch/ptrace.h \
 100                 $(PKG_BUILD_DIR)/include/asm-cris/arch/user.h \
 101                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/arch/
 102         $(CP) \
 103                 $(PKG_BUILD_DIR)/include/asm-generic/memory_model.h \
 104                 $(PKG_BUILD_DIR)/include/asm-generic/page.h \
 105                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm-generic/
 106 endef
 107
 108 define Build/Prepare/post/mips
 109         $(call Build/Prepare/lzma)
 110 endef
 111
 112 define Build/Prepare/post/mipsel
 113         $(call Build/Prepare/lzma)
 114 endef
 115
 116 define Build/Prepare
 117         $(call Kernel/Prepare/Default)
 118         ln -sf linux-$(LINUX_VERSION) $(BUILD_DIR_TOOLCHAIN)/linux
 119         $(SED) 's/@expr length/@-expr length/' $(PKG_BUILD_DIR)/Makefile
 120         yes '' | $(KMAKE) oldconfig
 121         $(KMAKE) include/linux/version.h include/asm
 122         if [ -d $(PKG_BUILD_DIR)/arch/$(LINUX_KARCH)/include/asm ]; then \
 123                 $(CP) \
 124                         $(PKG_BUILD_DIR)/arch/$(LINUX_KARCH)/include/asm/. \
 125                         $(PKG_BUILD_DIR)/include/asm-$(LINUX_KARCH)/; \
 126         fi
 127         $(call Build/Prepare/pre/$(ARCH))
 128         $(call Build/Prepare/all)
 129         $(call Build/Prepare/post/$(ARCH))
 130 endef
 131
 132 define Build/Configure
 133 endef
 134
 135 define Build/Compile
 136 endef
 137
 138 define Build/Install
 139         $(CP) $(BUILD_DIR_TOOLCHAIN)/linux-dev/* $(TOOLCHAIN_DIR)/
 140 endef
 141
 142 define Build/Clean
 143         rm -rf \
 144                 $(PKG_BUILD_DIR) \
 145                 $(BUILD_DIR_TOOLCHAIN)/linux \
 146                 $(BUILD_DIR_TOOLCHAIN)/linux-dev
 147 endef
 148
 149 $(eval $(call HostBuild))