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
  26 include $(INCLUDE_DIR)/toolchain-build.mk
  27 include $(INCLUDE_DIR)/kernel-defaults.mk
  28
  29 ifeq ($(strip $(BOARD)),uml)
  30   LINUX_KARCH:=$(subst x86_64,x86,$(subst i386,x86,$(ARCH)))
  31 endif
  32
  33 ifeq ($(strip $(call CompareKernelPatchVer,$(KERNEL_PATCHVER),ge,2.6.18)),1)
  34   LINUX_HAS_HEADERS_INSTALL:=y
  35 endif
  36
  37 ifeq ($(strip $(call CompareKernelPatchVer,$(KERNEL_PATCHVER),ge,2.6.33)),1)
  38   LINUX_ASM_INCLUDES:=arch/$(LINUX_KARCH)/include/asm
  39 else
  40   LINUX_ASM_INCLUDES:=include/asm
  41 endif
  42
  43 KMAKE := $(MAKE) -C $(HOST_BUILD_DIR) \
  44         ARCH=$(LINUX_KARCH) \
  45         KBUILD_HAVE_NLS=no \
  46         CONFIG_SHELL=$(BASH)
  47
  48 define Host/Prepare/pre/powerpc
  49         if [ -d $(HOST_BUILD_DIR)/include/asm-ppc ]; then \
  50                 mkdir -p $(PKG_BUILD_DIR)/include/asm-powerpc/; \
  51                 $(CP) $(HOST_BUILD_DIR)/include/asm-ppc/* $(HOST_BUILD_DIR)/include/asm-powerpc/; \
  52                 rm -rf $(HOST_BUILD_DIR)/include/asm-ppc; \
  53                 ln -s $(HOST_BUILD_DIR)/include/asm-powerpc $(HOST_BUILD_DIR)/include/asm-ppc; \
  54         fi
  55 endef
  56
  57 ifneq ($(LINUX_HAS_HEADERS_INSTALL),)
  58   define Host/Prepare/all
  59         mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev
  60         $(KMAKE) \
  61                 CROSS_COMPILE=$(TARGET_CROSS) \
  62                 INSTALL_HDR_PATH="$(BUILD_DIR_TOOLCHAIN)/linux-dev/" \
  63                 headers_install
  64   endef
  65 else
  66   define Host/Prepare/all
  67         mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/include
  68         cp -pLR $(HOST_BUILD_DIR)/include/asm $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/
  69         cp -pLR $(HOST_BUILD_DIR)/include/asm-generic $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/
  70         cp -pLR $(HOST_BUILD_DIR)/include/asm-$(LINUX_KARCH) $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/
  71         cp -pLR $(HOST_BUILD_DIR)/include/linux $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/
  72   endef
  73 endif
  74
  75 # XXX: the following is needed to build lzma-loader
  76 define Host/Prepare/lzma
  77         $(CP) \
  78                 $(HOST_BUILD_DIR)/include/asm-mips/asm.h \
  79                 $(HOST_BUILD_DIR)/include/asm-mips/regdef.h \
  80                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/asm/
  81 endef
  82
  83 define Host/Prepare/post/cris
  84         $(CP) \
  85                 $(HOST_BUILD_DIR)/include/linux/user.h \
  86                 $(HOST_BUILD_DIR)/include/linux/autoconf.h \
  87                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/linux/
  88         ln -snf $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/arch-v10/arch \
  89                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/arch
  90         $(SED) '/#include <asm\/page\.h>/d' $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/asm/user.h
  91 endef
  92
  93 define Host/Prepare/post/ubicom32
  94         $(CP) \
  95                 $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/elf.h \
  96                 $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/user.h \
  97                 $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/page.h \
  98                 $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/page_offset.h \
  99                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/asm/
 100 endef
 101
 102 define Host/Prepare/post/mips
 103         $(call Host/Prepare/lzma)
 104 endef
 105
 106 define Host/Prepare/post/mipsel
 107         $(call Host/Prepare/lzma)
 108 endef
 109
 110 define Host/Prepare
 111         $(call Kernel/Prepare/Default)
 112         ln -sf linux-$(LINUX_VERSION) $(BUILD_DIR_TOOLCHAIN)/linux
 113         $(SED) 's/@expr length/@-expr length/' $(HOST_BUILD_DIR)/Makefile
 114         yes '' | $(KMAKE) oldconfig
 115         $(KMAKE) include/linux/version.h $(LINUX_ASM_INCLUDES)
 116         if [ -d $(HOST_BUILD_DIR)/arch/$(LINUX_KARCH)/include/asm ]; then \
 117                 $(CP) \
 118                         $(HOST_BUILD_DIR)/arch/$(LINUX_KARCH)/include/asm/. \
 119                         $(HOST_BUILD_DIR)/include/asm-$(LINUX_KARCH)/; \
 120         fi
 121         $(call Host/Prepare/pre/$(ARCH))
 122         $(call Host/Prepare/all)
 123         $(call Host/Prepare/post/$(ARCH))
 124 endef
 125
 126 define Host/Configure
 127 endef
 128
 129 define Host/Compile
 130 endef
 131
 132 define Host/Install
 133         $(CP) $(BUILD_DIR_TOOLCHAIN)/linux-dev/* $(TOOLCHAIN_DIR)/
 134 endef
 135
 136 define Host/Clean
 137         rm -rf \
 138                 $(HOST_BUILD_DIR) \
 139                 $(BUILD_DIR_TOOLCHAIN)/linux \
 140                 $(BUILD_DIR_TOOLCHAIN)/linux-dev
 141 endef
 142
 143 $(eval $(call HostBuild))