fix kernel-headers build for uml
[openwrt/staging/florian.git] / toolchain / kernel-headers / Makefile
index 6a60b560972c33ee5ade296aa08728e79e473677..47e7b245b1e72f66e356bc83c06ec81c0dda3a21 100644 (file)
 # 
-# Copyright (C) 2006 OpenWrt.org
+# 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
-include $(INCLUDE_DIR)/kernel.mk
 
-PKG_NAME=kernel-headers
-PKG_VERSION=$(LINUX_VERSION)
+KERNEL_BUILD_DIR := $(BUILD_DIR_TOOLCHAIN)
+BUILD_DIR := $(KERNEL_BUILD_DIR)
+
+override QUILT:=
+override HOST_QUILT:=
 
-PKG_SOURCE=$(LINUX_SOURCE)
-PKG_SOURCE_URL=$(LINUX_SITE)
+include $(INCLUDE_DIR)/kernel.mk
 
-PKG_BUILD_DIR:=$(TOOLCHAIN_BUILD_DIR)/linux-$(PKG_VERSION)
+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)
 
-LINUX_DIR:=$(PKG_BUILD_DIR)/linux-$(LINUX_VERSION)
-KERNEL_BUILD_DIR:=$(PKG_BUILD_DIR)
+include $(INCLUDE_DIR)/toolchain-build.mk
 include $(INCLUDE_DIR)/kernel-defaults.mk
 
-include $(INCLUDE_DIR)/host-build.mk
-
-define Build/Prepare/cris
-       mkdir -p $(TOOLCHAIN_BUILD_DIR)
-       bzcat $(DL_DIR)/$(PKG_SOURCE) | $(HOST_TAR) -C $(TOOLCHAIN_BUILD_DIR) $(TAR_OPTIONS)
-       $(PATCH) $(PKG_BUILD_DIR) $(TOPDIR)/target/linux/etrax-2.6/patches/generic_2.6
-       $(PATCH) $(PKG_BUILD_DIR) $(TOPDIR)/target/linux/etrax-2.6/patches/cris
-       ln -sf $(PKG_BUILD_DIR)/include/asm-cris/arch-v10 $(PKG_BUILD_DIR)/include/asm-cris/arch
-       ln -sf $(PKG_BUILD_DIR)/arch/cris/arch-v10 $(PKG_BUILD_DIR)/arch/cris/arch
-       $(SED) 's/@expr length/@-expr length/' $(PKG_BUILD_DIR)/Makefile
-       ln -sf $(PKG_BUILD_DIR) $(LINUX_HEADERS_DIR)
-endef
+ifeq ($(strip $(BOARD)),uml)
+  LINUX_KARCH:=$(subst x86_64,x86,$(subst i386,x86,$(ARCH)))
+endif
 
-ifdef Build/Prepare/$(ARCH)
-define Build/Prepare
-       $(call Build/Prepare/$(ARCH))
-endef
+ifeq ($(strip $(call CompareKernelPatchVer,$(KERNEL_PATCHVER),ge,2.6.18)),1)
+  LINUX_HAS_HEADERS_INSTALL:=y
+endif
+
+ifeq ($(strip $(call CompareKernelPatchVer,$(KERNEL_PATCHVER),ge,2.6.33)),1)
+  LINUX_ASM_INCLUDES:=arch/$(LINUX_KARCH)/include/asm
 else
-define Build/Prepare
-       $(call Kernel/Prepare/Default)
-endef
+  LINUX_ASM_INCLUDES:=include/asm
 endif
 
-define Build/Configure/powerpc
-       $(CP) $(PKG_BUILD_DIR)/include/asm-ppc/* $(PKG_BUILD_DIR)/include/asm-powerpc/
-       rm -rf $(PKG_BUILD_DIR)/include/asm-ppc
-       mv $(PKG_BUILD_DIR)/include/asm-powerpc $(PKG_BUILD_DIR)/include/asm-ppc
+KMAKE := $(MAKE) -C $(HOST_BUILD_DIR) \
+       ARCH=$(LINUX_KARCH) \
+       KBUILD_HAVE_NLS=no \
+       CONFIG_SHELL=$(BASH)
+
+define Host/Prepare/pre/powerpc
+       if [ -d $(HOST_BUILD_DIR)/include/asm-ppc ]; then \
+               mkdir -p $(PKG_BUILD_DIR)/include/asm-powerpc/; \
+               $(CP) $(HOST_BUILD_DIR)/include/asm-ppc/* $(HOST_BUILD_DIR)/include/asm-powerpc/; \
+               rm -rf $(HOST_BUILD_DIR)/include/asm-ppc; \
+               ln -s $(HOST_BUILD_DIR)/include/asm-powerpc $(HOST_BUILD_DIR)/include/asm-ppc; \
+       fi
 endef
 
-ifneq (,$(findstring uml,$(BOARD)))
-  LINUX_KARCH:=$(ARCH)
+ifneq ($(LINUX_HAS_HEADERS_INSTALL),)
+  define Host/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 Host/Prepare/all
+       mkdir -p $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include
+       cp -pLR $(HOST_BUILD_DIR)/include/asm $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
+       cp -pLR $(HOST_BUILD_DIR)/include/asm-generic $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
+       cp -pLR $(HOST_BUILD_DIR)/include/asm-$(LINUX_KARCH) $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
+       cp -pLR $(HOST_BUILD_DIR)/include/linux $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
+  endef
 endif
 
-KMAKE := $(MAKE) -C $(PKG_BUILD_DIR) \
-       ARCH=$(LINUX_KARCH) \
-       CONFIG_SHELL=$(BASH)
+# XXX: the following is needed to build lzma-loader
+define Host/Prepare/lzma
+       $(CP) \
+               $(HOST_BUILD_DIR)/include/asm-mips/asm.h \
+               $(HOST_BUILD_DIR)/include/asm-mips/regdef.h \
+               $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/
+endef
+
+define Host/Prepare/post/cris
+       $(CP) \
+               $(HOST_BUILD_DIR)/include/linux/user.h \
+               $(HOST_BUILD_DIR)/include/linux/autoconf.h \
+               $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/linux/
+       ln -snf $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/arch-v10/arch \
+               $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/arch
+       $(SED) '/#include <asm\/page\.h>/d' $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/user.h
+endef
+
+define Host/Prepare/post/ubicom32
+       $(CP) \
+               $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/elf.h \
+               $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/user.h \
+               $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/page.h \
+               $(HOST_BUILD_DIR)/arch/ubicom32/include/asm/page_offset.h \
+               $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/asm/
+endef
+
+define Host/Prepare/post/mips
+       $(call Host/Prepare/lzma)
+endef
 
-define Build/Configure
+define Host/Prepare/post/mipsel
+       $(call Host/Prepare/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
        yes '' | $(KMAKE) oldconfig
-       $(KMAKE) include/linux/version.h include/asm
-       $(call Build/Configure/$(ARCH))
+       $(KMAKE) include/linux/version.h $(LINUX_ASM_INCLUDES)
+       if [ -d $(HOST_BUILD_DIR)/arch/$(LINUX_KARCH)/include/asm ]; then \
+               $(CP) \
+                       $(HOST_BUILD_DIR)/arch/$(LINUX_KARCH)/include/asm/. \
+                       $(HOST_BUILD_DIR)/include/asm-$(LINUX_KARCH)/; \
+       fi
+       $(call Host/Prepare/pre/$(ARCH))
+       $(call Host/Prepare/all)
+       $(call Host/Prepare/post/$(ARCH))
+endef
+
+define Host/Configure
+endef
+
+define Host/Compile
 endef
 
-define Build/Compile
+define Host/Install
+       $(CP) $(BUILD_DIR_TOOLCHAIN)/linux-dev/* $(TOOLCHAIN_DIR)/
 endef
 
-define Build/Install
+define Host/Clean
+       rm -rf \
+               $(HOST_BUILD_DIR) \
+               $(BUILD_DIR_TOOLCHAIN)/linux \
+               $(BUILD_DIR_TOOLCHAIN)/linux-dev
 endef
 
 $(eval $(call HostBuild))