[massive] add support for alternative C libraries (currently only glibc/eglibc)

[openwrt.git] / toolchain / kernel-headers / Makefile

diff --git a/toolchain/kernel-headers/Makefile b/toolchain/kernel-headers/Makefile
index 2b590c8..2274ee2 100644 (file)
--- a/toolchain/kernel-headers/Makefile
+++ b/toolchain/kernel-headers/Makefile
@@ -1,10 +1,129 @@
+# 
+# Copyright (C) 2006-2008 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
 include $(TOPDIR)/rules.mk
 
-include ./kernel-headers.mk
+KERNEL_BUILD_DIR := $(BUILD_DIR_TOOLCHAIN)
+BUILD_DIR := $(KERNEL_BUILD_DIR)
 
-source: kernel-headers-source
-prepare: kernel-headers
-compile:
-install:
-clean: kernel-headers-toolclean
+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 \
+               $(BUILD_DIR_TOOLCHAIN)/linux/include/asm \
+               $(BUILD_DIR_TOOLCHAIN)/linux/include/asm-generic \
+               $(BUILD_DIR_TOOLCHAIN)/linux/include/asm-$(LINUX_KARCH) \
+               $(BUILD_DIR_TOOLCHAIN)/linux/include/linux \
+               $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/
+  endef
+endif
+
+define Build/Prepare
+       $(call Kernel/Prepare/Default)
+       $(SED) 's/@expr length/@-expr length/' $(PKG_BUILD_DIR)/Makefile
+       ln -sf linux-$(LINUX_VERSION) $(LINUX_HEADERS_DIR)
+       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)
+endef
+
+define Build/Configure
+endef
+
+define Build/Compile
+endef
+
+define Build/Install/all
+       mkdir -p $(TOOLCHAIN_DIR)/usr/include
+       $(CP) \
+               $(BUILD_DIR_TOOLCHAIN)/linux-dev/usr/include/* \
+               $(TOOLCHAIN_DIR)/usr/include/
+endef
+
+# XXX: the following is needed to build lzma-loader
+define Build/Install/post/lzma
+       $(CP) \
+               $(BUILD_DIR_TOOLCHAIN)/linux/include/asm-mips/asm.h \
+               $(BUILD_DIR_TOOLCHAIN)/linux/include/asm-mips/regdef.h \
+               $(TOOLCHAIN_DIR)/usr/include/asm/
+endef
+
+define Build/Install/post/mips
+       $(call Build/Install/post/lzma)
+endef
+
+define Build/Install/post/mipsel
+       $(call Build/Install/post/lzma)
+endef
+
+define Build/Install
+       $(call Build/Install/all)
+       $(call Build/Install/post/$(ARCH))
+endef
+
+define Build/Clean
+       rm -rf \
+               $(PKG_BUILD_DIR) \
+               $(BUILD_DIR_TOOLCHAIN)/linux \
+               $(BUILD_DIR_TOOLCHAIN)/linux-dev
+endef
+
+$(eval $(call HostBuild))