changes to target/linux/generic-* should not trigger a kernel-headers rebuild

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

diff --git a/toolchain/kernel-headers/Makefile b/toolchain/kernel-headers/Makefile
index 2b590c8..27dcacd 100644 (file)
--- a/toolchain/kernel-headers/Makefile
+++ b/toolchain/kernel-headers/Makefile
@@ -1,10 +1,54 @@
+# 
+# Copyright (C) 2006 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
 
-include ./kernel-headers.mk
+PKG_NAME=kernel-headers
+PKG_VERSION=$(LINUX_VERSION)
 
-source: kernel-headers-source
-prepare: kernel-headers
-compile:
-install:
-clean: kernel-headers-toolclean
+PKG_SOURCE=$(LINUX_SOURCE)
+PKG_SOURCE_URL=$(LINUX_SITE)
 
+PKG_BUILD_DIR:=$(TOOLCHAIN_BUILD_DIR)/linux-$(PKG_VERSION)
+
+include $(INCLUDE_DIR)/host-build.mk
+
+define Build/Prepare
+       mkdir -p $(TOOLCHAIN_BUILD_DIR)
+       bzcat $(DL_DIR)/$(PKG_SOURCE) | $(HOST_TAR) -C $(TOOLCHAIN_BUILD_DIR) $(TAR_OPTIONS)
+       $(PATCH) $(PKG_BUILD_DIR) $(TOPDIR)/target/linux/generic-$(KERNEL)/patches
+       $(SED) 's/@expr length/@-expr length/' $(PKG_BUILD_DIR)/Makefile
+       ln -sf $(PKG_BUILD_DIR) $(LINUX_HEADERS_DIR)
+endef
+
+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 $(PKG_BUILD_DIR)/include/asm-ppc
+endef
+
+ifneq (,$(findstring uml,$(BOARD)))
+  LINUX_KARCH:=$(ARCH)
+endif
+
+KMAKE := $(MAKE) -C $(PKG_BUILD_DIR) \
+       ARCH=$(LINUX_KARCH) \
+       CONFIG_SHELL=$(BASH)
+
+define Build/Configure
+       yes '' | $(KMAKE) oldconfig
+       $(KMAKE) include/linux/version.h include/asm
+       $(call Build/Configure/$(ARCH))
+endef
+
+define Build/Compile
+endef
+
+define Build/Install
+endef
+
+$(eval $(call HostBuild))