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 := $(KERNEL_BUILD_DIR)
  11
  12 STAGING_DIR_HOST:=$(TOOLCHAIN_DIR)
  13 BUILD_DIR_HOST:=$(BUILD_DIR_TOOLCHAIN)
  14
  15 override QUILT:=
  16 override HOST_QUILT:=
  17 override CONFIG_AUTOREBUILD=
  18
  19 include $(INCLUDE_DIR)/kernel.mk
  20
  21 PKG_NAME:=linux
  22 PKG_VERSION:=$(LINUX_VERSION)
  23 PKG_SOURCE:=$(LINUX_SOURCE)
  24 PKG_SOURCE_URL:=$(LINUX_SITE)
  25 HOST_BUILD_DIR:=$(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
  26 PKG_MD5SUM:=$(LINUX_KERNEL_MD5SUM)
  27 LINUX_DIR := $(HOST_BUILD_DIR)
  28
  29 include $(INCLUDE_DIR)/host-build.mk
  30 include $(INCLUDE_DIR)/kernel-defaults.mk
  31
  32 ifeq ($(strip $(BOARD)),uml)
  33   LINUX_KARCH:=$(ARCH)
  34 endif
  35
  36 ifeq ($(strip $(call CompareKernelPatchVer,$(KERNEL_PATCHVER),ge,2.6.18)),1)
  37   LINUX_HAS_HEADERS_INSTALL:=y
  38 endif
  39
  40 KMAKE := $(MAKE) -C $(HOST_BUILD_DIR) \
  41         ARCH=$(LINUX_KARCH) \
  42         KBUILD_HAVE_NLS=no \
  43         CONFIG_SHELL=$(BASH)
  44
  45 define Host/Prepare/pre/cris
  46         ln -sf $(HOST_BUILD_DIR)/include/asm-cris/arch-v10 $(HOST_BUILD_DIR)/include/asm-cris/arch
  47         ln -sf $(HOST_BUILD_DIR)/include/asm-cris/arch-v10 $(HOST_BUILD_DIR)/arch/cris/arch
  48 endef
  49
  50 define Host/Prepare/pre/powerpc
  51         if [ -d $(HOST_BUILD_DIR)/include/asm-ppc ]; then \
  52                 $(CP) $(HOST_BUILD_DIR)/include/asm-ppc/* $(HOST_BUILD_DIR)/include/asm-powerpc/; \
  53                 rm -rf $(HOST_BUILD_DIR)/include/asm-ppc; \
  54                 ln -s $(HOST_BUILD_DIR)/include/asm-powerpc $(HOST_BUILD_DIR)/include/asm-ppc; \
  55         fi
  56 endef
  57
  58 ifneq ($(LINUX_HAS_HEADERS_INSTALL),)
  59   define Host/Prepare/all
  60         mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr
  61         $(KMAKE) \
  62                 CROSS_COMPILE=$(TARGET_CROSS) \
  63                 INSTALL_HDR_PATH="$(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/" \
  64                 headers_install
  65   endef
  66 else
  67   define Host/Prepare/all
  68         mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include
  69         cp -pLR \
  70                 $(HOST_BUILD_DIR)/include/asm \
  71                 $(HOST_BUILD_DIR)/include/asm-generic \
  72                 $(HOST_BUILD_DIR)/include/asm-$(LINUX_KARCH) \
  73                 $(HOST_BUILD_DIR)/include/linux \
  74                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
  75   endef
  76 endif
  77
  78 # XXX: the following is needed to build lzma-loader
  79 define Host/Prepare/lzma
  80         $(CP) \
  81                 $(HOST_BUILD_DIR)/include/asm-mips/asm.h \
  82                 $(HOST_BUILD_DIR)/include/asm-mips/regdef.h \
  83                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/
  84 endef
  85
  86 # XXX: the following are needed to build a cris toolchain
  87 define Host/Prepare/post/cris
  88         $(CP) \
  89                 $(HOST_BUILD_DIR)/include/linux/user.h \
  90                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/linux/
  91         $(CP) \
  92                 $(HOST_BUILD_DIR)/include/asm-cris/elf.h \
  93                 $(HOST_BUILD_DIR)/include/asm-cris/page.h \
  94                 $(HOST_BUILD_DIR)/include/asm-cris/user.h \
  95                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/
  96         mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/arch
  97         $(CP) \
  98                 $(HOST_BUILD_DIR)/include/asm-cris/arch/elf.h \
  99                 $(HOST_BUILD_DIR)/include/asm-cris/arch/page.h \
 100                 $(HOST_BUILD_DIR)/include/asm-cris/arch/ptrace.h \
 101                 $(HOST_BUILD_DIR)/include/asm-cris/arch/user.h \
 102                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/arch/
 103         $(CP) \
 104                 $(HOST_BUILD_DIR)/include/asm-generic/memory_model.h \
 105                 $(HOST_BUILD_DIR)/include/asm-generic/page.h \
 106                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm-generic/
 107 endef
 108
 109 define Host/Prepare/post/mips
 110         $(call Host/Prepare/lzma)
 111 endef
 112
 113 define Host/Prepare/post/mipsel
 114         $(call Host/Prepare/lzma)
 115 endef
 116
 117 define Host/Prepare
 118         $(call Kernel/Prepare/Default)
 119         ln -sf linux-$(LINUX_VERSION) $(BUILD_DIR_TOOLCHAIN)/linux
 120         $(SED) 's/@expr length/@-expr length/' $(HOST_BUILD_DIR)/Makefile
 121         yes '' | $(KMAKE) oldconfig
 122         $(KMAKE) include/linux/version.h include/asm
 123         if [ -d $(HOST_BUILD_DIR)/arch/$(LINUX_KARCH)/include/asm ]; then \
 124                 $(CP) \
 125                         $(HOST_BUILD_DIR)/arch/$(LINUX_KARCH)/include/asm/. \
 126                         $(HOST_BUILD_DIR)/include/asm-$(LINUX_KARCH)/; \
 127         fi
 128         $(call Host/Prepare/pre/$(ARCH))
 129         $(call Host/Prepare/all)
 130         $(call Host/Prepare/post/$(ARCH))
 131 endef
 132
 133 define Host/Configure
 134 endef
 135
 136 define Host/Compile
 137 endef
 138
 139 define Host/Install
 140         $(CP) $(BUILD_DIR_TOOLCHAIN)/linux-dev/* $(TOOLCHAIN_DIR)/
 141 endef
 142
 143 define Host/Clean
 144         rm -rf \
 145                 $(HOST_BUILD_DIR) \
 146                 $(BUILD_DIR_TOOLCHAIN)/linux \
 147                 $(BUILD_DIR_TOOLCHAIN)/linux-dev
 148 endef
 149
 150 $(eval $(call HostBuild))