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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_HASH:=$(LINUX_KERNEL_HASH)
- 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 \
- $(HOST_BUILD_DIR)/arch/mips/include/asm/asm-eva.h \
- $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/asm/
- endef
- endif
- 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)
- rm -f $(BUILD_DIR_TOOLCHAIN)/linux
- ln -s linux-$(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))
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