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 HOST_EXTRACFLAGS=
  35
  36 LINUX_HAS_HEADERS_INSTALL:=y
  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 define Host/Configure/all
  47         mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev
  48         $(KMAKE) \
  49                 INSTALL_HDR_PATH="$(BUILD_DIR_TOOLCHAIN)/linux-dev/" \
  50                 headers_install
  51 endef
  52
  53 # XXX: the following is needed to build lzma-loader
  54 ifneq ($(CONFIG_mips)$(CONFIG_mipsel),)
  55   define Host/Configure/lzma
  56         $(CP) \
  57                 $(HOST_BUILD_DIR)/arch/mips/include/asm/asm.h \
  58                 $(HOST_BUILD_DIR)/arch/mips/include/asm/regdef.h \
  59                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/asm/
  60   endef
  61 endif
  62
  63 define Host/Configure/post/cris
  64         $(CP) \
  65                 $(HOST_BUILD_DIR)/include/linux/user.h \
  66                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/linux/
  67         ln -snf $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/arch-v10/arch \
  68                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/arch
  69         $(SED) '/#include <asm\/page\.h>/d' $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/asm/user.h
  70 endef
  71
  72 define Host/Configure/post/ubicom32
  73         $(CP) \
  74                 $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/elf.h \
  75                 $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/user.h \
  76                 $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/page.h \
  77                 $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/page_offset.h \
  78                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/asm/
  79 endef
  80
  81 define Host/Configure/post/mips
  82         $(call Host/Configure/lzma)
  83 endef
  84
  85 define Host/Configure/post/mipsel
  86         $(call Host/Configure/lzma)
  87 endef
  88
  89 define Host/Prepare
  90         $(call Kernel/Prepare/Default)
  91         ln -sf linux-$(LINUX_VERSION) $(BUILD_DIR_TOOLCHAIN)/linux
  92         $(SED) 's/@expr length/@-expr length/' $(HOST_BUILD_DIR)/Makefile
  93 endef
  94
  95 define Host/Configure
  96         env
  97         yes '' | $(KMAKE) oldconfig
  98         $(call Host/Configure/all)
  99         $(call Host/Configure/post/$(ARCH))
 100 endef
 101
 102 define Host/Compile
 103 endef
 104
 105 define Host/Install
 106         $(CP) $(BUILD_DIR_TOOLCHAIN)/linux-dev/* $(TOOLCHAIN_DIR)/
 107 endef
 108
 109 define Host/Clean
 110         rm -rf \
 111                 $(HOST_BUILD_DIR) \
 112                 $(BUILD_DIR_TOOLCHAIN)/linux \
 113                 $(BUILD_DIR_TOOLCHAIN)/linux-dev
 114 endef
 115
 116 $(eval $(call HostBuild))