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 override QUILT:=
  13 override HOST_QUILT:=
  14
  15 include $(INCLUDE_DIR)/kernel.mk
  16
  17 PKG_NAME:=linux
  18 PKG_VERSION:=$(LINUX_VERSION)
  19 PKG_SOURCE:=$(LINUX_SOURCE)
  20 PKG_SOURCE_URL:=$(LINUX_SITE)
  21 HOST_BUILD_DIR:=$(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
  22 PKG_MD5SUM:=$(LINUX_KERNEL_MD5SUM)
  23 LINUX_DIR := $(HOST_BUILD_DIR)
  24
  25 include $(INCLUDE_DIR)/toolchain-build.mk
  26 include $(INCLUDE_DIR)/kernel-defaults.mk
  27
  28 ifeq ($(strip $(BOARD)),uml)
  29   LINUX_KARCH:=$(ARCH)
  30 endif
  31
  32 ifeq ($(strip $(call CompareKernelPatchVer,$(KERNEL_PATCHVER),ge,2.6.18)),1)
  33   LINUX_HAS_HEADERS_INSTALL:=y
  34 endif
  35
  36 KMAKE := $(MAKE) -C $(HOST_BUILD_DIR) \
  37         ARCH=$(LINUX_KARCH) \
  38         KBUILD_HAVE_NLS=no \
  39         CONFIG_SHELL=$(BASH)
  40
  41 define Host/Prepare/pre/cris
  42         ln -sf $(HOST_BUILD_DIR)/include/asm-cris/arch-v10 $(HOST_BUILD_DIR)/include/asm-cris/arch
  43         ln -sf $(HOST_BUILD_DIR)/include/asm-cris/arch-v10 $(HOST_BUILD_DIR)/arch/cris/arch
  44 endef
  45
  46 define Host/Prepare/pre/powerpc
  47         if [ -d $(HOST_BUILD_DIR)/include/asm-ppc ]; then \
  48                 $(CP) $(HOST_BUILD_DIR)/include/asm-ppc/* $(HOST_BUILD_DIR)/include/asm-powerpc/; \
  49                 rm -rf $(HOST_BUILD_DIR)/include/asm-ppc; \
  50                 ln -s $(HOST_BUILD_DIR)/include/asm-powerpc $(HOST_BUILD_DIR)/include/asm-ppc; \
  51         fi
  52 endef
  53
  54 ifneq ($(LINUX_HAS_HEADERS_INSTALL),)
  55   define Host/Prepare/all
  56         mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr
  57         $(KMAKE) \
  58                 CROSS_COMPILE=$(TARGET_CROSS) \
  59                 INSTALL_HDR_PATH="$(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/" \
  60                 headers_install
  61   endef
  62 else
  63   define Host/Prepare/all
  64         mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include
  65         cp -pLR \
  66                 $(HOST_BUILD_DIR)/include/asm \
  67                 $(HOST_BUILD_DIR)/include/asm-generic \
  68                 $(HOST_BUILD_DIR)/include/asm-$(LINUX_KARCH) \
  69                 $(HOST_BUILD_DIR)/include/linux \
  70                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
  71   endef
  72 endif
  73
  74 # XXX: the following is needed to build lzma-loader
  75 define Host/Prepare/lzma
  76         $(CP) \
  77                 $(HOST_BUILD_DIR)/include/asm-mips/asm.h \
  78                 $(HOST_BUILD_DIR)/include/asm-mips/regdef.h \
  79                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/
  80 endef
  81
  82 # XXX: the following are needed to build a cris toolchain
  83 define Host/Prepare/post/cris
  84         $(CP) \
  85                 $(HOST_BUILD_DIR)/include/linux/user.h \
  86                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/linux/
  87         $(CP) \
  88                 $(HOST_BUILD_DIR)/include/asm-cris/elf.h \
  89                 $(HOST_BUILD_DIR)/include/asm-cris/page.h \
  90                 $(HOST_BUILD_DIR)/include/asm-cris/user.h \
  91                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/
  92         mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/arch
  93         $(CP) \
  94                 $(HOST_BUILD_DIR)/include/asm-cris/arch/elf.h \
  95                 $(HOST_BUILD_DIR)/include/asm-cris/arch/page.h \
  96                 $(HOST_BUILD_DIR)/include/asm-cris/arch/ptrace.h \
  97                 $(HOST_BUILD_DIR)/include/asm-cris/arch/user.h \
  98                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/arch/
  99         $(CP) \
 100                 $(HOST_BUILD_DIR)/include/asm-generic/memory_model.h \
 101                 $(HOST_BUILD_DIR)/include/asm-generic/page.h \
 102                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm-generic/
 103 endef
 104
 105 define Host/Prepare/post/mips
 106         $(call Host/Prepare/lzma)
 107 endef
 108
 109 define Host/Prepare/post/mipsel
 110         $(call Host/Prepare/lzma)
 111 endef
 112
 113 define Host/Prepare
 114         $(call Kernel/Prepare/Default)
 115         ln -sf linux-$(LINUX_VERSION) $(BUILD_DIR_TOOLCHAIN)/linux
 116         $(SED) 's/@expr length/@-expr length/' $(HOST_BUILD_DIR)/Makefile
 117         yes '' | $(KMAKE) oldconfig
 118         $(KMAKE) include/linux/version.h include/asm
 119         if [ -d $(HOST_BUILD_DIR)/arch/$(LINUX_KARCH)/include/asm ]; then \
 120                 $(CP) \
 121                         $(HOST_BUILD_DIR)/arch/$(LINUX_KARCH)/include/asm/. \
 122                         $(HOST_BUILD_DIR)/include/asm-$(LINUX_KARCH)/; \
 123         fi
 124         $(call Host/Prepare/pre/$(ARCH))
 125         $(call Host/Prepare/all)
 126         $(call Host/Prepare/post/$(ARCH))
 127 endef
 128
 129 define Host/Configure
 130 endef
 131
 132 define Host/Compile
 133 endef
 134
 135 define Host/Install
 136         $(CP) $(BUILD_DIR_TOOLCHAIN)/linux-dev/* $(TOOLCHAIN_DIR)/
 137 endef
 138
 139 define Host/Clean
 140         rm -rf \
 141                 $(HOST_BUILD_DIR) \
 142                 $(BUILD_DIR_TOOLCHAIN)/linux \
 143                 $(BUILD_DIR_TOOLCHAIN)/linux-dev
 144 endef
 145
 146 $(eval $(call HostBuild))