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:=$(LINUX_SOURCE)
  20 ifneq ($(call qstrip,$(CONFIG_KERNEL_GIT_CLONE_URI)),)
  21   PKG_SOURCE_PROTO:=git
  22   PKG_SOURCE_URL:=$(call qstrip,$(CONFIG_KERNEL_GIT_CLONE_URI))
  23   PKG_SOURCE_VERSION:=$(call qstrip,$(CONFIG_KERNEL_GIT_REF))
  24   PKG_MIRROR_HASH:=$(call qstrip,$(CONFIG_KERNEL_GIT_MIRROR_HASH))
  25 ifdef CHECK
  26   PLATFORM_DIR:=$(firstword $(wildcard $(TOPDIR)/target/linux/feeds/$(BOARD) $(TOPDIR)/target/linux/$(BOARD)))
  27   include $(PLATFORM_DIR)/Makefile
  28   include $(INCLUDE_DIR)/kernel-version.mk
  29   include $(INCLUDE_DIR)/kernel-build.mk
  30   PKG_VERSION:=$(LINUX_VERSION)
  31 else
  32   PKG_SOURCE:=$(LINUX_SOURCE)
  33 endif
  34 else
  35   PKG_SOURCE:=$(LINUX_SOURCE)
  36   PKG_SOURCE_URL:=$(LINUX_SITE)
  37 endif
  38 HOST_BUILD_DIR:=$(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
  39 PKG_HASH:=$(LINUX_KERNEL_HASH)
  40 LINUX_DIR := $(HOST_BUILD_DIR)
  41 FILES_DIR :=
  42 PATCH_DIR := ./patches$(if $(wildcard ./patches-$(LINUX_VERSION)),-$(LINUX_VERSION))
  43
  44 include $(INCLUDE_DIR)/toolchain-build.mk
  45 include $(INCLUDE_DIR)/kernel-defaults.mk
  46
  47 ifeq ($(strip $(BOARD)),uml)
  48   LINUX_KARCH:=$(subst x86_64,x86,$(subst i386,x86,$(ARCH)))
  49 endif
  50
  51 HOST_EXTRACFLAGS=
  52
  53 LINUX_HAS_HEADERS_INSTALL:=y
  54
  55 HOST_KMAKE := $(MAKE) -C $(HOST_BUILD_DIR) \
  56         $(KERNEL_MAKE_FLAGS) \
  57         CC="$(KERNEL_CC)" \
  58         HOSTCFLAGS="$(HOST_CFLAGS)"
  59
  60 define Host/Configure/all
  61         mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev
  62         $(HOST_KMAKE) \
  63                 INSTALL_HDR_PATH="$(BUILD_DIR_TOOLCHAIN)/linux-dev/" \
  64                 headers_install
  65 endef
  66
  67 # XXX: the following is needed to build lzma-loader
  68 ifneq ($(CONFIG_mips)$(CONFIG_mipsel),)
  69   define Host/Configure/lzma
  70         $(CP) \
  71                 $(HOST_BUILD_DIR)/arch/mips/include/asm/asm.h \
  72                 $(HOST_BUILD_DIR)/arch/mips/include/asm/regdef.h \
  73                 $(HOST_BUILD_DIR)/arch/mips/include/asm/asm-eva.h \
  74                 $(HOST_BUILD_DIR)/arch/mips/include/asm/isa-rev.h \
  75                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/asm/
  76   endef
  77 endif
  78
  79 define Host/Configure/post/mips
  80         $(call Host/Configure/lzma)
  81 endef
  82
  83 define Host/Configure/post/mipsel
  84         $(call Host/Configure/lzma)
  85 endef
  86
  87 define Host/Prepare
  88         rm -rf $(BUILD_DIR_TOOLCHAIN)/linux-*
  89         $(call Kernel/Prepare/Default)
  90         rm -f $(BUILD_DIR_TOOLCHAIN)/linux
  91         ln -s linux-$(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         yes '' | $(HOST_KMAKE) oldconfig
  97         $(call Host/Configure/all)
  98         $(call Host/Configure/post/$(ARCH))
  99 endef
 100
 101 define Host/Compile
 102 endef
 103
 104 define Host/Install
 105         $(CP) $(BUILD_DIR_TOOLCHAIN)/linux-dev/* $(TOOLCHAIN_DIR)/
 106 endef
 107
 108 define Host/Clean
 109         rm -rf \
 110                 $(HOST_BUILD_DIR) \
 111                 $(BUILD_DIR_TOOLCHAIN)/linux \
 112                 $(BUILD_DIR_TOOLCHAIN)/linux-dev
 113 endef
 114
 115 $(eval $(call HostBuild))