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 $(wildcard ./patches-$(KERNEL_PATCHVER)),-$(KERNEL_PATCHVER))
  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 ifeq ($(strip $(call CompareKernelPatchVer,$(KERNEL_PATCHVER),ge,2.6.18)),1)
  35   LINUX_HAS_HEADERS_INSTALL:=y
  36 endif
  37
  38 ifeq ($(strip $(call CompareKernelPatchVer,$(KERNEL_PATCHVER),ge,2.6.33)),1)
  39   LINUX_ASM_INCLUDES:=arch/$(LINUX_KARCH)/include/asm
  40 else
  41   LINUX_ASM_INCLUDES:=include/asm
  42 endif
  43
  44 KMAKE := $(MAKE) -C $(HOST_BUILD_DIR) \
  45         ARCH=$(LINUX_KARCH) \
  46         KBUILD_HAVE_NLS=no \
  47         CONFIG_SHELL=$(BASH)
  48
  49 define Host/Prepare/pre/powerpc
  50         if [ -d $(HOST_BUILD_DIR)/include/asm-ppc ]; then \
  51                 mkdir -p $(PKG_BUILD_DIR)/include/asm-powerpc/; \
  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 $(HOST_BUILD_DIR)/include/asm $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
  70         cp -pLR $(HOST_BUILD_DIR)/include/asm-generic $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
  71         cp -pLR $(HOST_BUILD_DIR)/include/asm-$(LINUX_KARCH) $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
  72         cp -pLR $(HOST_BUILD_DIR)/include/linux $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
  73   endef
  74 endif
  75
  76 # XXX: the following is needed to build lzma-loader
  77 define Host/Prepare/lzma
  78         $(CP) \
  79                 $(HOST_BUILD_DIR)/include/asm-mips/asm.h \
  80                 $(HOST_BUILD_DIR)/include/asm-mips/regdef.h \
  81                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/
  82 endef
  83
  84 define Host/Prepare/post/cris
  85         $(CP) \
  86                 $(HOST_BUILD_DIR)/include/linux/user.h \
  87                 $(HOST_BUILD_DIR)/include/linux/autoconf.h \
  88                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/linux/
  89         ln -snf $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/arch-v10/arch \
  90                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/arch
  91         $(SED) '/#include <asm\/page\.h>/d' $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/user.h
  92 endef
  93
  94 define Host/Prepare/post/ubicom32
  95         $(CP) \
  96                 $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/elf.h \
  97                 $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/user.h \
  98                 $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/page.h \
  99                 $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/page_offset.h \
 100                 $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/
 101 endef
 102
 103 define Host/Prepare/post/mips
 104         $(call Host/Prepare/lzma)
 105 endef
 106
 107 define Host/Prepare/post/mipsel
 108         $(call Host/Prepare/lzma)
 109 endef
 110
 111 define Host/Prepare
 112         $(call Kernel/Prepare/Default)
 113         ln -sf linux-$(LINUX_VERSION) $(BUILD_DIR_TOOLCHAIN)/linux
 114         $(SED) 's/@expr length/@-expr length/' $(HOST_BUILD_DIR)/Makefile
 115         yes '' | $(KMAKE) oldconfig
 116         $(KMAKE) include/linux/version.h $(LINUX_ASM_INCLUDES)
 117         if [ -d $(HOST_BUILD_DIR)/arch/$(LINUX_KARCH)/include/asm ]; then \
 118                 $(CP) \
 119                         $(HOST_BUILD_DIR)/arch/$(LINUX_KARCH)/include/asm/. \
 120                         $(HOST_BUILD_DIR)/include/asm-$(LINUX_KARCH)/; \
 121         fi
 122         $(call Host/Prepare/pre/$(ARCH))
 123         $(call Host/Prepare/all)
 124         $(call Host/Prepare/post/$(ARCH))
 125 endef
 126
 127 define Host/Configure
 128 endef
 129
 130 define Host/Compile
 131 endef
 132
 133 define Host/Install
 134         $(CP) $(BUILD_DIR_TOOLCHAIN)/linux-dev/* $(TOOLCHAIN_DIR)/
 135 endef
 136
 137 define Host/Clean
 138         rm -rf \
 139                 $(HOST_BUILD_DIR) \
 140                 $(BUILD_DIR_TOOLCHAIN)/linux \
 141                 $(BUILD_DIR_TOOLCHAIN)/linux-dev
 142 endef
 143
 144 $(eval $(call HostBuild))