+#
+# Copyright (C) 2006-2009 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
include $(TOPDIR)/rules.mk
-# linux kernel headers for toolchain
-
-LINUX_HEADERS_VERSION=2.4.32
-LINUX_KERNEL_MD5SUM:=38f4d0830e95a20f4bfed17622d5557c
-LINUX_HEADERS_SITE= \
- http://www.de.kernel.org/pub/linux/kernel/v2.4 \
- http://www.fi.kernel.org/pub/linux/kernel/v2.4 \
- http://www.fr.kernel.org/pub/linux/kernel/v2.4 \
- http://www.kernel.org/pub/linux/kernel/v2.4 \
-
-LINUX_HEADERS_SOURCE=linux-$(LINUX_HEADERS_VERSION).tar.bz2
-LINUX_HEADERS_ARCH:=$(shell echo $(ARCH) | sed -e 's/i[3-9]86/i386/' \
- -e 's/mipsel/mips/' \
- -e 's/mipseb/mips/' \
- -e 's/powerpc/ppc/' \
- -e 's/sh[234]/sh/' \
- )
-
-$(DL_DIR)/$(LINUX_HEADERS_SOURCE):
- -mkdir -p $(DL_DIR)
- $(SCRIPT_DIR)/download.pl $(DL_DIR) $(LINUX_HEADERS_SOURCE) $(LINUX_KERNEL_MD5SUM) $(LINUX_HEADERS_SITE)
-
-$(LINUX_HEADERS_DIR)/.unpacked: $(DL_DIR)/$(LINUX_HEADERS_SOURCE)
- mkdir -p $(TOOL_BUILD_DIR)
- bzcat $(DL_DIR)/$(LINUX_HEADERS_SOURCE) | tar -C $(TOOL_BUILD_DIR) $(TAR_OPTIONS) - \
- linux-$(LINUX_HEADERS_VERSION)/include \
- linux-$(LINUX_HEADERS_VERSION)/Makefile \
- linux-$(LINUX_HEADERS_VERSION)/Rules.make \
- linux-$(LINUX_HEADERS_VERSION)/arch/$(LINUX_HEADERS_ARCH)/Makefile \
- linux-$(LINUX_HEADERS_VERSION)/scripts \
- linux-$(LINUX_HEADERS_VERSION)/arch/$(LINUX_HEADERS_ARCH)/config*.in \
- linux-$(LINUX_HEADERS_VERSION)/*/*/Config.in \
- linux-$(LINUX_HEADERS_VERSION)/*/Config.in
- ln -sf $(LINUX_HEADERS_DIR)-$(LINUX_HEADERS_VERSION) $(LINUX_HEADERS_DIR)
- $(SED) 's/@expr length/@-expr length/' $(LINUX_HEADERS_DIR)/Makefile
- touch $(LINUX_HEADERS_DIR)/.unpacked
-
-$(LINUX_HEADERS_DIR)/.configured: $(LINUX_HEADERS_DIR)/.unpacked
- -cp -af ./files/config.$(LINUX_HEADERS_ARCH) $(LINUX_HEADERS_DIR)/.config
- $(MAKE) -C $(LINUX_HEADERS_DIR) ARCH=$(LINUX_HEADERS_ARCH) oldconfig include/linux/version.h
- touch $(LINUX_HEADERS_DIR)/.configured
-
-source: $(DL_DIR)/$(LINUX_HEADERS_SOURCE)
-prepare: $(LINUX_HEADERS_DIR)/.configured
-compile:
-install:
-clean:
- rm -rf $(LINUX_HEADERS_DIR)
+KERNEL_BUILD_DIR := $(BUILD_DIR_TOOLCHAIN)
+BUILD_DIR := $(KERNEL_BUILD_DIR)
+STAGING_DIR_HOST:=$(TOOLCHAIN_DIR)
+BUILD_DIR_HOST:=$(BUILD_DIR_TOOLCHAIN)
+
+override QUILT:=
+override CONFIG_AUTOREBUILD=
+
+include $(INCLUDE_DIR)/kernel.mk
+
+PKG_NAME:=linux
+PKG_VERSION:=$(LINUX_VERSION)
+PKG_SOURCE:=$(LINUX_SOURCE)
+PKG_SOURCE_URL:=$(LINUX_SITE)
+PKG_BUILD_DIR:=$(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
+PKG_MD5SUM:=$(LINUX_KERNEL_MD5SUM)
+LINUX_DIR := $(PKG_BUILD_DIR)
+
+include $(INCLUDE_DIR)/host-build.mk
+include $(INCLUDE_DIR)/kernel-defaults.mk
+
+ifeq ($(strip $(BOARD)),uml)
+ LINUX_KARCH:=$(ARCH)
+endif
+
+KMAKE := $(MAKE) -C $(PKG_BUILD_DIR) \
+ ARCH=$(LINUX_KARCH) \
+ KBUILD_HAVE_NLS=no \
+ CONFIG_SHELL=$(BASH)
+
+define Build/Prepare/pre/cris
+ ln -sf $(PKG_BUILD_DIR)/include/asm-cris/arch-v10 $(PKG_BUILD_DIR)/include/asm-cris/arch
+ ln -sf $(PKG_BUILD_DIR)/include/asm-cris/arch-v10 $(PKG_BUILD_DIR)/arch/cris/arch
+endef
+
+define Build/Prepare/pre/powerpc
+ if [ -d $(PKG_BUILD_DIR)/include/asm-ppc ]; then \
+ $(CP) $(PKG_BUILD_DIR)/include/asm-ppc/* $(PKG_BUILD_DIR)/include/asm-powerpc/; \
+ rm -rf $(PKG_BUILD_DIR)/include/asm-ppc; \
+ ln -s $(PKG_BUILD_DIR)/include/asm-powerpc $(PKG_BUILD_DIR)/include/asm-ppc; \
+ fi
+endef
+
+ifeq ($(strip $(call CompareKernelPatchVer,$(KERNEL_PATCHVER),ge,2.6.18)),1)
+ define Build/Prepare/all
+ mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr
+ $(KMAKE) \
+ CROSS_COMPILE=$(TARGET_CROSS) \
+ INSTALL_HDR_PATH="$(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/" \
+ headers_install
+ endef
+else
+ define Build/Prepare/all
+ mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include
+ cp -pLR \
+ $(PKG_BUILD_DIR)/include/asm \
+ $(PKG_BUILD_DIR)/include/asm-generic \
+ $(PKG_BUILD_DIR)/include/asm-$(LINUX_KARCH) \
+ $(PKG_BUILD_DIR)/include/linux \
+ $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
+ endef
+endif
+
+# XXX: the following is needed to build lzma-loader
+define Build/Prepare/lzma
+ $(CP) \
+ $(PKG_BUILD_DIR)/include/asm-mips/asm.h \
+ $(PKG_BUILD_DIR)/include/asm-mips/regdef.h \
+ $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/
+endef
+
+# XXX: the following are needed to build a cris toolchain
+define Build/Prepare/post/cris
+ $(CP) \
+ $(PKG_BUILD_DIR)/include/linux/user.h \
+ $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/linux/
+ $(CP) \
+ $(PKG_BUILD_DIR)/include/asm-cris/elf.h \
+ $(PKG_BUILD_DIR)/include/asm-cris/page.h \
+ $(PKG_BUILD_DIR)/include/asm-cris/user.h \
+ $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/
+ mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/arch
+ $(CP) \
+ $(PKG_BUILD_DIR)/include/asm-cris/arch/elf.h \
+ $(PKG_BUILD_DIR)/include/asm-cris/arch/page.h \
+ $(PKG_BUILD_DIR)/include/asm-cris/arch/ptrace.h \
+ $(PKG_BUILD_DIR)/include/asm-cris/arch/user.h \
+ $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/arch/
+ $(CP) \
+ $(PKG_BUILD_DIR)/include/asm-generic/memory_model.h \
+ $(PKG_BUILD_DIR)/include/asm-generic/page.h \
+ $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm-generic/
+endef
+
+define Build/Prepare/post/mips
+ $(call Build/Prepare/lzma)
+endef
+
+define Build/Prepare/post/mipsel
+ $(call Build/Prepare/lzma)
+endef
+
+define Build/Prepare
+ $(call Kernel/Prepare/Default)
+ ln -sf linux-$(LINUX_VERSION) $(BUILD_DIR_TOOLCHAIN)/linux
+ $(SED) 's/@expr length/@-expr length/' $(PKG_BUILD_DIR)/Makefile
+ yes '' | $(KMAKE) oldconfig
+ $(KMAKE) include/linux/version.h include/asm
+ if [ -d $(PKG_BUILD_DIR)/arch/$(LINUX_KARCH)/include/asm ]; then \
+ $(CP) \
+ $(PKG_BUILD_DIR)/arch/$(LINUX_KARCH)/include/asm/. \
+ $(PKG_BUILD_DIR)/include/asm-$(LINUX_KARCH)/; \
+ fi
+ $(call Build/Prepare/pre/$(ARCH))
+ $(call Build/Prepare/all)
+ $(call Build/Prepare/post/$(ARCH))
+endef
+
+define Build/Configure
+endef
+
+define Build/Compile
+endef
+
+define Build/Install
+ $(CP) $(BUILD_DIR_TOOLCHAIN)/linux-dev/* $(TOOLCHAIN_DIR)/
+endef
+
+define Build/Clean
+ rm -rf \
+ $(PKG_BUILD_DIR) \
+ $(BUILD_DIR_TOOLCHAIN)/linux \
+ $(BUILD_DIR_TOOLCHAIN)/linux-dev
+endef
+
+$(eval $(call HostBuild))
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