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 LINUX_HAS_HEADERS_INSTALL:=y
  35
  36 KMAKE := $(MAKE) -C $(HOST_BUILD_DIR) \
  37         ARCH=$(LINUX_KARCH) \
  38         CC="$(KERNEL_CC)" \
  39         CFLAGS="$(TARGET_CFLAGS)" \
  40         CROSS_COMPILE=$(TARGET_CROSS) \
  41         KBUILD_HAVE_NLS=no \
  42         CONFIG_SHELL=$(BASH)
  43
  44 define Host/Prepare/all
  45         mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev
  46         $(KMAKE) \
  47                 INSTALL_HDR_PATH="$(BUILD_DIR_TOOLCHAIN)/linux-dev/" \
  48                 headers_install
  49 endef
  50
  51 # XXX: the following is needed to build lzma-loader
  52 ifneq ($(CONFIG_mips)$(CONFIG_mipsel),)
  53   define Host/Prepare/lzma
  54         $(CP) \
  55                 $(HOST_BUILD_DIR)/arch/mips/include/asm/asm.h \
  56                 $(HOST_BUILD_DIR)/arch/mips/include/asm/regdef.h \
  57                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/asm/
  58   endef
  59 endif
  60
  61 define Host/Prepare/post/cris
  62         $(CP) \
  63                 $(HOST_BUILD_DIR)/include/linux/user.h \
  64                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/linux/
  65         ln -snf $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/arch-v10/arch \
  66                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/arch
  67         $(SED) '/#include <asm\/page\.h>/d' $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/asm/user.h
  68 endef
  69
  70 define Host/Prepare/post/ubicom32
  71         $(CP) \
  72                 $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/elf.h \
  73                 $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/user.h \
  74                 $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/page.h \
  75                 $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/page_offset.h \
  76                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/asm/
  77 endef
  78
  79 define Host/Prepare/post/mips
  80         $(call Host/Prepare/lzma)
  81 endef
  82
  83 define Host/Prepare/post/mipsel
  84         $(call Host/Prepare/lzma)
  85 endef
  86
  87 define Host/Prepare
  88         $(call Kernel/Prepare/Default)
  89         ln -sf linux-$(LINUX_VERSION) $(BUILD_DIR_TOOLCHAIN)/linux
  90         $(SED) 's/@expr length/@-expr length/' $(HOST_BUILD_DIR)/Makefile
  91         yes '' | $(KMAKE) oldconfig
  92         $(call Host/Prepare/all)
  93         $(call Host/Prepare/post/$(ARCH))
  94 endef
  95
  96 define Host/Configure
  97 endef
  98
  99 define Host/Compile
 100 endef
 101
 102 define Host/Install
 103         $(CP) $(BUILD_DIR_TOOLCHAIN)/linux-dev/* $(TOOLCHAIN_DIR)/
 104 endef
 105
 106 define Host/Clean
 107         rm -rf \
 108                 $(HOST_BUILD_DIR) \
 109                 $(BUILD_DIR_TOOLCHAIN)/linux \
 110                 $(BUILD_DIR_TOOLCHAIN)/linux-dev
 111 endef
 112
 113 $(eval $(call HostBuild))