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_HASH:=$(LINUX_KERNEL_HASH)
  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         $(KERNEL_MAKE_FLAGS) \
  40         CC="$(KERNEL_CC)" \
  41         CFLAGS="$(TARGET_CFLAGS)"
  42
  43 define Host/Configure/all
  44         mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev
  45         $(KMAKE) \
  46                 INSTALL_HDR_PATH="$(BUILD_DIR_TOOLCHAIN)/linux-dev/" \
  47                 headers_install
  48 endef
  49
  50 # XXX: the following is needed to build lzma-loader
  51 ifneq ($(CONFIG_mips)$(CONFIG_mipsel),)
  52   define Host/Configure/lzma
  53         $(CP) \
  54                 $(HOST_BUILD_DIR)/arch/mips/include/asm/asm.h \
  55                 $(HOST_BUILD_DIR)/arch/mips/include/asm/regdef.h \
  56                 $(HOST_BUILD_DIR)/arch/mips/include/asm/asm-eva.h \
  57                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/asm/
  58   endef
  59 endif
  60
  61 define Host/Configure/post/mips
  62         $(call Host/Configure/lzma)
  63 endef
  64
  65 define Host/Configure/post/mipsel
  66         $(call Host/Configure/lzma)
  67 endef
  68
  69 define Host/Prepare
  70         rm -rf $(BUILD_DIR_TOOLCHAIN)/linux-*
  71         $(call Kernel/Prepare/Default)
  72         rm -f $(BUILD_DIR_TOOLCHAIN)/linux
  73         ln -s linux-$(LINUX_VERSION) $(BUILD_DIR_TOOLCHAIN)/linux
  74         $(SED) 's/@expr length/@-expr length/' $(HOST_BUILD_DIR)/Makefile
  75 endef
  76
  77 define Host/Configure
  78         env
  79         yes '' | $(KMAKE) oldconfig
  80         $(call Host/Configure/all)
  81         $(call Host/Configure/post/$(ARCH))
  82 endef
  83
  84 define Host/Compile
  85 endef
  86
  87 define Host/Install
  88         $(CP) $(BUILD_DIR_TOOLCHAIN)/linux-dev/* $(TOOLCHAIN_DIR)/
  89 endef
  90
  91 define Host/Clean
  92         rm -rf \
  93                 $(HOST_BUILD_DIR) \
  94                 $(BUILD_DIR_TOOLCHAIN)/linux \
  95                 $(BUILD_DIR_TOOLCHAIN)/linux-dev
  96 endef
  97
  98 $(eval $(call HostBuild))