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/powerpc
  42         if [ -d $(HOST_BUILD_DIR)/include/asm-ppc ]; then \
  43                 mkdir -p $(PKG_BUILD_DIR)/include/asm-powerpc/; \
  44                 $(CP) $(HOST_BUILD_DIR)/include/asm-ppc/* $(HOST_BUILD_DIR)/include/asm-powerpc/; \
  45                 rm -rf $(HOST_BUILD_DIR)/include/asm-ppc; \
  46                 ln -s $(HOST_BUILD_DIR)/include/asm-powerpc $(HOST_BUILD_DIR)/include/asm-ppc; \
  47         fi
  48 endef
  49
  50 ifneq ($(LINUX_HAS_HEADERS_INSTALL),)
  51   define Host/Prepare/all
  52         mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr
  53         $(KMAKE) \
  54                 CROSS_COMPILE=$(TARGET_CROSS) \
  55                 INSTALL_HDR_PATH="$(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/" \
  56                 headers_install
  57   endef
  58 else
  59   define Host/Prepare/all
  60         mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include
  61         cp -pLR $(HOST_BUILD_DIR)/include/asm $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
  62         cp -pLR $(HOST_BUILD_DIR)/include/asm-generic $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
  63         cp -pLR $(HOST_BUILD_DIR)/include/asm-$(LINUX_KARCH) $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
  64         cp -pLR $(HOST_BUILD_DIR)/include/linux $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
  65   endef
  66 endif
  67
  68 # XXX: the following is needed to build lzma-loader
  69 define Host/Prepare/lzma
  70         $(CP) \
  71                 $(HOST_BUILD_DIR)/include/asm-mips/asm.h \
  72                 $(HOST_BUILD_DIR)/include/asm-mips/regdef.h \
  73                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/
  74 endef
  75
  76 define Host/Prepare/post/cris
  77         $(CP) \
  78                 $(HOST_BUILD_DIR)/include/linux/user.h \
  79                 $(HOST_BUILD_DIR)/include/linux/autoconf.h \
  80                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/linux/
  81         ln -snf $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/arch-v10/arch \
  82                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/arch
  83         $(SED) '/#include <asm\/page\.h>/d' $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/user.h
  84 endef
  85
  86 define Host/Prepare/post/ubicom32
  87         $(CP) \
  88                 $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/elf.h \
  89                 $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/user.h \
  90                 $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/page.h \
  91                 $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/page_offset.h \
  92                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/
  93 endef
  94
  95 define Host/Prepare/post/mips
  96         $(call Host/Prepare/lzma)
  97 endef
  98
  99 define Host/Prepare/post/mipsel
 100         $(call Host/Prepare/lzma)
 101 endef
 102
 103 define Host/Prepare
 104         $(call Kernel/Prepare/Default)
 105         ln -sf linux-$(LINUX_VERSION) $(BUILD_DIR_TOOLCHAIN)/linux
 106         $(SED) 's/@expr length/@-expr length/' $(HOST_BUILD_DIR)/Makefile
 107         yes '' | $(KMAKE) oldconfig
 108         $(KMAKE) include/linux/version.h include/asm
 109         if [ -d $(HOST_BUILD_DIR)/arch/$(LINUX_KARCH)/include/asm ]; then \
 110                 $(CP) \
 111                         $(HOST_BUILD_DIR)/arch/$(LINUX_KARCH)/include/asm/. \
 112                         $(HOST_BUILD_DIR)/include/asm-$(LINUX_KARCH)/; \
 113         fi
 114         $(call Host/Prepare/pre/$(ARCH))
 115         $(call Host/Prepare/all)
 116         $(call Host/Prepare/post/$(ARCH))
 117 endef
 118
 119 define Host/Configure
 120 endef
 121
 122 define Host/Compile
 123 endef
 124
 125 define Host/Install
 126         $(CP) $(BUILD_DIR_TOOLCHAIN)/linux-dev/* $(TOOLCHAIN_DIR)/
 127 endef
 128
 129 define Host/Clean
 130         rm -rf \
 131                 $(HOST_BUILD_DIR) \
 132                 $(BUILD_DIR_TOOLCHAIN)/linux \
 133                 $(BUILD_DIR_TOOLCHAIN)/linux-dev
 134 endef
 135
 136 $(eval $(call HostBuild))