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 ifeq ($(strip $(call CompareKernelPatchVer,$(KERNEL_PATCHVER),ge,2.6.33)),1)
  37   LINUX_ASM_INCLUDES:=arch/$(LINUX_KARCH)/include/asm
  38 else
  39   LINUX_ASM_INCLUDES:=include/asm
  40 endif
  41
  42 KMAKE := $(MAKE) -C $(HOST_BUILD_DIR) \
  43         ARCH=$(LINUX_KARCH) \
  44         KBUILD_HAVE_NLS=no \
  45         CONFIG_SHELL=$(BASH)
  46
  47 define Host/Prepare/pre/powerpc
  48         if [ -d $(HOST_BUILD_DIR)/include/asm-ppc ]; then \
  49                 mkdir -p $(PKG_BUILD_DIR)/include/asm-powerpc/; \
  50                 $(CP) $(HOST_BUILD_DIR)/include/asm-ppc/* $(HOST_BUILD_DIR)/include/asm-powerpc/; \
  51                 rm -rf $(HOST_BUILD_DIR)/include/asm-ppc; \
  52                 ln -s $(HOST_BUILD_DIR)/include/asm-powerpc $(HOST_BUILD_DIR)/include/asm-ppc; \
  53         fi
  54 endef
  55
  56 ifneq ($(LINUX_HAS_HEADERS_INSTALL),)
  57   define Host/Prepare/all
  58         mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr
  59         $(KMAKE) \
  60                 CROSS_COMPILE=$(TARGET_CROSS) \
  61                 INSTALL_HDR_PATH="$(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/" \
  62                 headers_install
  63   endef
  64 else
  65   define Host/Prepare/all
  66         mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include
  67         cp -pLR $(HOST_BUILD_DIR)/include/asm $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
  68         cp -pLR $(HOST_BUILD_DIR)/include/asm-generic $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
  69         cp -pLR $(HOST_BUILD_DIR)/include/asm-$(LINUX_KARCH) $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
  70         cp -pLR $(HOST_BUILD_DIR)/include/linux $(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 define Host/Prepare/post/cris
  83         $(CP) \
  84                 $(HOST_BUILD_DIR)/include/linux/user.h \
  85                 $(HOST_BUILD_DIR)/include/linux/autoconf.h \
  86                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/linux/
  87         ln -snf $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/arch-v10/arch \
  88                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/arch
  89         $(SED) '/#include <asm\/page\.h>/d' $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/user.h
  90 endef
  91
  92 define Host/Prepare/post/ubicom32
  93         $(CP) \
  94                 $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/elf.h \
  95                 $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/user.h \
  96                 $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/page.h \
  97                 $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/page_offset.h \
  98                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/
  99 endef
 100
 101 define Host/Prepare/post/mips
 102         $(call Host/Prepare/lzma)
 103 endef
 104
 105 define Host/Prepare/post/mipsel
 106         $(call Host/Prepare/lzma)
 107 endef
 108
 109 define Host/Prepare
 110         $(call Kernel/Prepare/Default)
 111         ln -sf linux-$(LINUX_VERSION) $(BUILD_DIR_TOOLCHAIN)/linux
 112         $(SED) 's/@expr length/@-expr length/' $(HOST_BUILD_DIR)/Makefile
 113         yes '' | $(KMAKE) oldconfig
 114         $(KMAKE) include/linux/version.h $(LINUX_ASM_INCLUDES)
 115         if [ -d $(HOST_BUILD_DIR)/arch/$(LINUX_KARCH)/include/asm ]; then \
 116                 $(CP) \
 117                         $(HOST_BUILD_DIR)/arch/$(LINUX_KARCH)/include/asm/. \
 118                         $(HOST_BUILD_DIR)/include/asm-$(LINUX_KARCH)/; \
 119         fi
 120         $(call Host/Prepare/pre/$(ARCH))
 121         $(call Host/Prepare/all)
 122         $(call Host/Prepare/post/$(ARCH))
 123 endef
 124
 125 define Host/Configure
 126 endef
 127
 128 define Host/Compile
 129 endef
 130
 131 define Host/Install
 132         $(CP) $(BUILD_DIR_TOOLCHAIN)/linux-dev/* $(TOOLCHAIN_DIR)/
 133 endef
 134
 135 define Host/Clean
 136         rm -rf \
 137                 $(HOST_BUILD_DIR) \
 138                 $(BUILD_DIR_TOOLCHAIN)/linux \
 139                 $(BUILD_DIR_TOOLCHAIN)/linux-dev
 140 endef
 141
 142 $(eval $(call HostBuild))