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