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 := $(HOST_BUILD_DIR)
  24 FILES_DIR :=
  25 PATCH_DIR := ./patches$(if $(wildcard ./patches-$(KERNEL_PATCHVER)),-$(KERNEL_PATCHVER))
  26
  27 include $(INCLUDE_DIR)/toolchain-build.mk
  28 include $(INCLUDE_DIR)/kernel-defaults.mk
  29
  30 ifeq ($(strip $(BOARD)),uml)
  31   LINUX_KARCH:=$(subst x86_64,x86,$(subst i386,x86,$(ARCH)))
  32 endif
  33
  34 ifeq ($(strip $(call CompareKernelPatchVer,$(KERNEL_PATCHVER),ge,2.6.18)),1)
  35   LINUX_HAS_HEADERS_INSTALL:=y
  36 endif
  37
  38 KMAKE := $(MAKE) -C $(HOST_BUILD_DIR) \
  39         ARCH=$(LINUX_KARCH) \
  40         CC="$(KERNEL_CC)" \
  41         CFLAGS="$(TARGET_CFLAGS)" \
  42         CROSS_COMPILE=$(TARGET_CROSS) \
  43         KBUILD_HAVE_NLS=no \
  44         CONFIG_SHELL=$(BASH)
  45
  46 ifneq ($(LINUX_HAS_HEADERS_INSTALL),)
  47   define Host/Prepare/all
  48         mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr
  49         $(KMAKE) \
  50                 INSTALL_HDR_PATH="$(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/" \
  51                 headers_install
  52         if [ -d $(HOST_BUILD_DIR)/arch/$(LINUX_KARCH)/include/asm ]; then \
  53                 $(CP) \
  54                         $(HOST_BUILD_DIR)/arch/$(LINUX_KARCH)/include/asm/. \
  55                         $(HOST_BUILD_DIR)/include/asm-$(LINUX_KARCH)/; \
  56         fi
  57   endef
  58 else
  59   define Host/Prepare/all
  60         $(KMAKE) include/linux/version.h include/asm
  61         mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include
  62         cp -pLR $(HOST_BUILD_DIR)/include/asm $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
  63         cp -pLR $(HOST_BUILD_DIR)/include/asm-generic $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
  64         cp -pLR $(HOST_BUILD_DIR)/include/asm-$(LINUX_KARCH) $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
  65         cp -pLR $(HOST_BUILD_DIR)/include/linux $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
  66   endef
  67 endif
  68
  69 # XXX: the following is needed to build lzma-loader
  70 define Host/Prepare/lzma
  71         $(CP) \
  72                 $(HOST_BUILD_DIR)/include/asm-mips/asm.h \
  73                 $(HOST_BUILD_DIR)/include/asm-mips/regdef.h \
  74                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/
  75 endef
  76
  77 define Host/Prepare/post/cris
  78         $(CP) \
  79                 $(HOST_BUILD_DIR)/include/linux/user.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         $(call Host/Prepare/all)
 109         $(call Host/Prepare/post/$(ARCH))
 110 endef
 111
 112 define Host/Configure
 113 endef
 114
 115 define Host/Compile
 116 endef
 117
 118 define Host/Install
 119         $(CP) $(BUILD_DIR_TOOLCHAIN)/linux-dev/* $(TOOLCHAIN_DIR)/
 120 endef
 121
 122 define Host/Clean
 123         rm -rf \
 124                 $(HOST_BUILD_DIR) \
 125                 $(BUILD_DIR_TOOLCHAIN)/linux \
 126                 $(BUILD_DIR_TOOLCHAIN)/linux-dev
 127 endef
 128
 129 $(eval $(call HostBuild))