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 $(wildcard ./patches-$(LINUX_VERSION)),-$(LINUX_VERSION))
  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 $(HOST_BUILD_DIR) \
  39         HOSTCFLAGS="$(HOST_CFLAGS) -Wall -Wmissing-prototypes -Wstrict-prototypes" \
  40         ARCH=$(LINUX_KARCH) \
  41         CC="$(KERNEL_CC)" \
  42         CFLAGS="$(TARGET_CFLAGS)" \
  43         CROSS_COMPILE=$(TARGET_CROSS) \
  44         KBUILD_HAVE_NLS=no \
  45         CONFIG_SHELL=$(BASH)
  46
  47 define Host/Configure/all
  48         mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev
  49         $(KMAKE) \
  50                 INSTALL_HDR_PATH="$(BUILD_DIR_TOOLCHAIN)/linux-dev/" \
  51                 headers_install
  52 endef
  53
  54 # XXX: the following is needed to build lzma-loader
  55 ifneq ($(CONFIG_mips)$(CONFIG_mipsel),)
  56   define Host/Configure/lzma
  57         $(CP) \
  58                 $(HOST_BUILD_DIR)/arch/mips/include/asm/asm.h \
  59                 $(HOST_BUILD_DIR)/arch/mips/include/asm/regdef.h \
  60                 $(HOST_BUILD_DIR)/arch/mips/include/asm/asm-eva.h \
  61                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/asm/
  62   endef
  63 endif
  64
  65 define Host/Configure/post/mips
  66         $(call Host/Configure/lzma)
  67 endef
  68
  69 define Host/Configure/post/mipsel
  70         $(call Host/Configure/lzma)
  71 endef
  72
  73 define Host/Prepare
  74         $(call Kernel/Prepare/Default)
  75         rm -f $(BUILD_DIR_TOOLCHAIN)/linux
  76         ln -s linux-$(LINUX_VERSION) $(BUILD_DIR_TOOLCHAIN)/linux
  77         $(SED) 's/@expr length/@-expr length/' $(HOST_BUILD_DIR)/Makefile
  78 endef
  79
  80 define Host/Configure
  81         env
  82         yes '' | $(KMAKE) oldconfig
  83         $(call Host/Configure/all)
  84         $(call Host/Configure/post/$(ARCH))
  85 endef
  86
  87 define Host/Compile
  88 endef
  89
  90 define Host/Install
  91         $(CP) $(BUILD_DIR_TOOLCHAIN)/linux-dev/* $(TOOLCHAIN_DIR)/
  92 endef
  93
  94 define Host/Clean
  95         rm -rf \
  96                 $(HOST_BUILD_DIR) \
  97                 $(BUILD_DIR_TOOLCHAIN)/linux \
  98                 $(BUILD_DIR_TOOLCHAIN)/linux-dev
  99 endef
 100
 101 $(eval $(call HostBuild))