openwrt/toolchain/kernel-headers/Makefile

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Makefile
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#
# 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
KERNEL_BUILD_DIR := $(BUILD_DIR_TOOLCHAIN)
BUILD_DIR := $(KERNEL_BUILD_DIR)
override QUILT:=
override HOST_QUILT:=
include $(INCLUDE_DIR)/kernel.mk
PKG_NAME:=linux
PKG_VERSION:=$(LINUX_VERSION)
PKG_SOURCE:=$(LINUX_SOURCE)
PKG_SOURCE_URL:=$(LINUX_SITE)
HOST_BUILD_DIR:=$(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
PKG_MD5SUM:=$(LINUX_KERNEL_MD5SUM)
LINUX_DIR := $(HOST_BUILD_DIR)
FILES_DIR :=
PATCH_DIR := ./patches$(if $(wildcard ./patches-$(LINUX_VERSION)),-$(LINUX_VERSION))
include $(INCLUDE_DIR)/toolchain-build.mk
include $(INCLUDE_DIR)/kernel-defaults.mk
ifeq ($(strip $(BOARD)),uml)
LINUX_KARCH:=$(subst x86_64,x86,$(subst i386,x86,$(ARCH)))
endif
HOST_EXTRACFLAGS=
LINUX_HAS_HEADERS_INSTALL:=y
KMAKE := $(MAKE) -C $(HOST_BUILD_DIR) \
HOSTCFLAGS="$(HOST_CFLAGS) -Wall -Wmissing-prototypes -Wstrict-prototypes" \
ARCH=$(LINUX_KARCH) \
CC="$(KERNEL_CC)" \
CFLAGS="$(TARGET_CFLAGS)" \
CROSS_COMPILE=$(TARGET_CROSS) \
KBUILD_HAVE_NLS=no \
CONFIG_SHELL=$(BASH)
define Host/Configure/all
mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev
$(KMAKE) \
INSTALL_HDR_PATH="$(BUILD_DIR_TOOLCHAIN)/linux-dev/" \
headers_install
endef
# XXX: the following is needed to build lzma-loader
ifneq ($(CONFIG_mips)$(CONFIG_mipsel),)
define Host/Configure/lzma
$(CP) \
$(HOST_BUILD_DIR)/arch/mips/include/asm/asm.h \
$(HOST_BUILD_DIR)/arch/mips/include/asm/regdef.h \
$(BUILD_DIR_TOOLCHAIN)/linux-dev/include/asm/
endef
endif
define Host/Configure/post/cris
$(CP) \
$(HOST_BUILD_DIR)/include/linux/user.h \
$(BUILD_DIR_TOOLCHAIN)/linux-dev/include/linux/
ln -snf $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/arch-v10/arch \
$(BUILD_DIR_TOOLCHAIN)/linux-dev/include/arch
$(SED) '/#include <asm\/page\.h>/d' $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/asm/user.h
endef
define Host/Configure/post/mips
$(call Host/Configure/lzma)
endef
define Host/Configure/post/mipsel
$(call Host/Configure/lzma)
endef
define Host/Prepare
$(call Kernel/Prepare/Default)
ln -sf linux-$(LINUX_VERSION) $(BUILD_DIR_TOOLCHAIN)/linux
$(SED) 's/@expr length/@-expr length/' $(HOST_BUILD_DIR)/Makefile
endef
define Host/Configure
env
yes '' | $(KMAKE) oldconfig
$(call Host/Configure/all)
$(call Host/Configure/post/$(ARCH))
endef
define Host/Compile
endef
define Host/Install
$(CP) $(BUILD_DIR_TOOLCHAIN)/linux-dev/* $(TOOLCHAIN_DIR)/
endef
define Host/Clean
rm -rf \
$(HOST_BUILD_DIR) \
$(BUILD_DIR_TOOLCHAIN)/linux \
$(BUILD_DIR_TOOLCHAIN)/linux-dev
endef
$(eval $(call HostBuild))