2 # Copyright (C) 2006-2009 OpenWrt.org
4 # This is free software, licensed under the GNU General Public License v2.
5 # See /LICENSE for more information.
7 include $(TOPDIR)/rules.mk
9 KERNEL_BUILD_DIR := $(BUILD_DIR_TOOLCHAIN)
10 BUILD_DIR := $(KERNEL_BUILD_DIR)
15 include $(INCLUDE_DIR)/kernel.mk
18 PKG_VERSION:=$(LINUX_VERSION)
19 PKG_SOURCE:=$(LINUX_SOURCE)
20 ifneq ($(strip $(CONFIG_KERNEL_GIT_CLONE_URI)),"")
22 PKG_SOURCE_URL:=$(call qstrip,$(CONFIG_KERNEL_GIT_CLONE_URI))
23 PKG_SOURCE_VERSION:=$(CONFIG_KERNEL_GIT_REF)
25 PKG_SOURCE_URL:=$(LINUX_SITE)
27 HOST_BUILD_DIR:=$(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
28 PKG_HASH:=$(LINUX_KERNEL_HASH)
29 LINUX_DIR := $(HOST_BUILD_DIR)
31 PATCH_DIR := ./patches$(if $(wildcard ./patches-$(LINUX_VERSION)),-$(LINUX_VERSION))
33 include $(INCLUDE_DIR)/toolchain-build.mk
34 include $(INCLUDE_DIR)/kernel-defaults.mk
36 ifeq ($(strip $(BOARD)),uml)
37 LINUX_KARCH:=$(subst x86_64,x86,$(subst i386,x86,$(ARCH)))
42 LINUX_HAS_HEADERS_INSTALL:=y
44 HOST_KMAKE := $(MAKE) -C $(HOST_BUILD_DIR) \
45 $(KERNEL_MAKE_FLAGS) \
47 HOSTCFLAGS="$(HOST_CFLAGS)"
49 define Host/Configure/all
50 mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev
52 INSTALL_HDR_PATH="$(BUILD_DIR_TOOLCHAIN)/linux-dev/" \
56 # XXX: the following is needed to build lzma-loader
57 ifneq ($(CONFIG_mips)$(CONFIG_mipsel),)
58 define Host/Configure/lzma
60 $(HOST_BUILD_DIR)/arch/mips/include/asm/asm.h \
61 $(HOST_BUILD_DIR)/arch/mips/include/asm/regdef.h \
62 $(HOST_BUILD_DIR)/arch/mips/include/asm/asm-eva.h \
63 $(BUILD_DIR_TOOLCHAIN)/linux-dev/include/asm/
67 define Host/Configure/post/mips
68 $(call Host/Configure/lzma)
71 define Host/Configure/post/mipsel
72 $(call Host/Configure/lzma)
76 rm -rf $(BUILD_DIR_TOOLCHAIN)/linux-*
77 $(call Kernel/Prepare/Default)
78 rm -f $(BUILD_DIR_TOOLCHAIN)/linux
79 ln -s linux-$(LINUX_VERSION) $(BUILD_DIR_TOOLCHAIN)/linux
80 $(SED) 's/@expr length/@-expr length/' $(HOST_BUILD_DIR)/Makefile
85 yes '' | $(HOST_KMAKE) oldconfig
86 $(call Host/Configure/all)
87 $(call Host/Configure/post/$(ARCH))
94 $(CP) $(BUILD_DIR_TOOLCHAIN)/linux-dev/* $(TOOLCHAIN_DIR)/
100 $(BUILD_DIR_TOOLCHAIN)/linux \
101 $(BUILD_DIR_TOOLCHAIN)/linux-dev
104 $(eval $(call HostBuild))