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:=$(LINUX_SOURCE)
  20 ifneq ($(strip $(CONFIG_KERNEL_GIT_CLONE_URI)),"")
  21   PKG_SOURCE_PROTO:=git
  22   PKG_SOURCE_URL:=$(call qstrip,$(CONFIG_KERNEL_GIT_CLONE_URI))
  23   PKG_SOURCE_VERSION:=$(CONFIG_KERNEL_GIT_REF)
  24 else
  25   PKG_SOURCE_URL:=$(LINUX_SITE)
  26 endif
  27 HOST_BUILD_DIR:=$(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
  28 PKG_HASH:=$(LINUX_KERNEL_HASH)
  29 LINUX_DIR := $(HOST_BUILD_DIR)
  30 FILES_DIR :=
  31 PATCH_DIR := ./patches$(if $(wildcard ./patches-$(LINUX_VERSION)),-$(LINUX_VERSION))
  32
  33 include $(INCLUDE_DIR)/toolchain-build.mk
  34 include $(INCLUDE_DIR)/kernel-defaults.mk
  35
  36 ifeq ($(strip $(BOARD)),uml)
  37   LINUX_KARCH:=$(subst x86_64,x86,$(subst i386,x86,$(ARCH)))
  38 endif
  39
  40 HOST_EXTRACFLAGS=
  41
  42 LINUX_HAS_HEADERS_INSTALL:=y
  43
  44 KMAKE := $(MAKE) -C $(HOST_BUILD_DIR) \
  45         $(KERNEL_MAKE_FLAGS) \
  46         CC="$(KERNEL_CC)" \
  47         CFLAGS="$(TARGET_CFLAGS)"
  48
  49 define Host/Configure/all
  50         mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev
  51         $(KMAKE) \
  52                 INSTALL_HDR_PATH="$(BUILD_DIR_TOOLCHAIN)/linux-dev/" \
  53                 headers_install
  54 endef
  55
  56 # XXX: the following is needed to build lzma-loader
  57 ifneq ($(CONFIG_mips)$(CONFIG_mipsel),)
  58   define Host/Configure/lzma
  59         $(CP) \
  60                 $(HOST_BUILD_DIR)/arch/mips/include/asm/asm.h \
  61                 $(HOST_BUILD_DIR)/arch/mips/include/asm/regdef.h \
  62                 $(HOST_BUILD_DIR)/arch/mips/include/asm/asm-eva.h \
  63                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/asm/
  64   endef
  65 endif
  66
  67 define Host/Configure/post/mips
  68         $(call Host/Configure/lzma)
  69 endef
  70
  71 define Host/Configure/post/mipsel
  72         $(call Host/Configure/lzma)
  73 endef
  74
  75 define Host/Prepare
  76         rm -rf $(BUILD_DIR_TOOLCHAIN)/linux-*
  77         $(call Kernel/Prepare/Default)
  78         rm -f $(BUILD_DIR_TOOLCHAIN)/linux
  79         ln -s linux-$(LINUX_VERSION) $(BUILD_DIR_TOOLCHAIN)/linux
  80         $(SED) 's/@expr length/@-expr length/' $(HOST_BUILD_DIR)/Makefile
  81 endef
  82
  83 define Host/Configure
  84         env
  85         yes '' | $(KMAKE) oldconfig
  86         $(call Host/Configure/all)
  87         $(call Host/Configure/post/$(ARCH))
  88 endef
  89
  90 define Host/Compile
  91 endef
  92
  93 define Host/Install
  94         $(CP) $(BUILD_DIR_TOOLCHAIN)/linux-dev/* $(TOOLCHAIN_DIR)/
  95 endef
  96
  97 define Host/Clean
  98         rm -rf \
  99                 $(HOST_BUILD_DIR) \
 100                 $(BUILD_DIR_TOOLCHAIN)/linux \
 101                 $(BUILD_DIR_TOOLCHAIN)/linux-dev
 102 endef
 103
 104 $(eval $(call HostBuild))