strip the .note.gnu.build-id section from kernel images, which on some platforms...

[openwrt/svn-archive/archive.git] / include / kernel-defaults.mk

diff --git a/include/kernel-defaults.mk b/include/kernel-defaults.mk
index 69ff8fa6f0fe8481c95151a38419759e4ec29699..258c8ccc7764c01937c064e3ed68e3ef61ec8c2f 100644 (file)
--- a/include/kernel-defaults.mk
+++ b/include/kernel-defaults.mk
@@ -12,9 +12,6 @@ endif
 ifneq (,$(findstring rdc,$(BOARD)))
   KERNELNAME="bzImage"
 endif
-ifneq (,$(findstring ppc,$(BOARD)))
-  KERNELNAME="uImage"
-endif
 ifneq (,$(findstring avr32,$(BOARD)))
   KERNELNAME="uImage"
 endif
@@ -22,6 +19,7 @@ endif
 KERNEL_MAKEOPTS := -C $(LINUX_DIR) \
        CROSS_COMPILE="$(KERNEL_CROSS)" \
        ARCH="$(LINUX_KARCH)" \
+       KBUILD_HAVE_NLS=no \
        CONFIG_SHELL="$(BASH)"
 
 INITRAMFS_EXTRA_FILES ?= $(GENERIC_PLATFORM_DIR)/image/initramfs-base-files.txt
@@ -32,32 +30,33 @@ endif
 
 # defined in quilt.mk
 Kernel/Patch:=$(Kernel/Patch/Default)
-define Kernel/Prepare/Default
+ifeq ($(strip $(CONFIG_EXTERNAL_KERNEL_TREE)),"")
+  ifeq ($(strip $(CONFIG_KERNEL_GIT_CLONE_URI)),"")
+    define Kernel/Prepare/Default
        bzcat $(DL_DIR)/$(LINUX_SOURCE) | $(TAR) -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS)
        $(Kernel/Patch)
-       $(if $(QUILT),touch $(LINUX_DIR)/.quilt_used)
-endef
-
-define Kernel/Configure/2.4
-       $(SED) "s,\-mcpu=,\-mtune=,g;" $(LINUX_DIR)/arch/mips/Makefile
-       $(MAKE) $(KERNEL_MAKEOPTS) oldconfig include/linux/compile.h include/linux/version.h
-       $(MAKE) $(KERNEL_MAKEOPTS) dep
-endef
-define Kernel/Configure/2.6
-       -$(MAKE) $(KERNEL_MAKEOPTS) oldconfig prepare scripts
-endef
-define Kernel/Configure/Default
-       $(LINUX_CONFCMD) > $(LINUX_DIR)/.config.target
-       $(SCRIPT_DIR)/metadata.pl kconfig $(TMP_DIR)/.packageinfo $(TOPDIR)/.config > $(LINUX_DIR)/.config.override
-       $(SCRIPT_DIR)/kconfig.pl 'm+' $(LINUX_DIR)/.config.target $(LINUX_DIR)/.config.override > $(LINUX_DIR)/.config
-       $(call Kernel/Configure/$(KERNEL))
-       rm -rf $(KERNEL_BUILD_DIR)/modules
-endef
-
-define Kernel/CompileModules/Default
-       rm -f $(LINUX_DIR)/vmlinux $(LINUX_DIR)/System.map
-       $(MAKE) $(KERNEL_MAKEOPTS) modules
-endef
+       touch $(LINUX_DIR)/.quilt_used
+    endef
+  else
+    ifeq ($(strip $(CONFIG_KERNEL_GIT_LOCAL_REPOSITORY)),"")
+define Kernel/Prepare/Default
+       git clone $(CONFIG_KERNEL_GIT_CLONE_URI) $(LINUX_DIR)
+    endef
+  else
+    define Kernel/Prepare/Default
+       git clone --reference $(CONFIG_KERNEL_GIT_LOCAL_REPOSITORY) $(CONFIG_KERNEL_GIT_CLONE_URI) $(LINUX_DIR) 
+    endef
+  endif
+endif
+else
+  define Kernel/Prepare/Default
+       mkdir -p $(KERNEL_BUILD_DIR)
+       if [ -d $(LINUX_DIR) ]; then \
+               rmdir $(LINUX_DIR); \
+       fi
+       ln -s $(CONFIG_EXTERNAL_KERNEL_TREE) $(LINUX_DIR)
+  endef
+endif
 
 ifeq ($(KERNEL),2.6)
   ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
@@ -72,22 +71,50 @@ ifeq ($(KERNEL),2.6)
     define Kernel/SetInitramfs
                mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
                grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config
-               rm -f $(TARGET_DIR)/init
                echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config
     endef
   endif
 endif
-define Kernel/CompileImage/Default
+
+define Kernel/Configure/2.4
+       $(SED) "s,\-mcpu=,\-mtune=,g;" $(LINUX_DIR)/arch/mips/Makefile
+       $(_SINGLE)$(MAKE) $(KERNEL_MAKEOPTS) oldconfig include/linux/compile.h include/linux/version.h
+       $(_SINGLE)$(MAKE) $(KERNEL_MAKEOPTS) dep
+endef
+define Kernel/Configure/2.6
+       -$(_SINGLE)$(MAKE) $(KERNEL_MAKEOPTS) oldconfig prepare scripts
+endef
+define Kernel/Configure/Default
+       $(LINUX_CONFCMD) > $(LINUX_DIR)/.config.target
+       echo "$(if $(CONFIG_KERNEL_KALLSYMS),CONFIG_KALLSYMS=y,# CONFIG_KALLSYMS is not set)" >> $(LINUX_DIR)/.config.target
+       echo "$(if $(CONFIG_KERNEL_PROFILING),CONFIG_PROFILING=y,# CONFIG_PROFILING is not set)" >> $(LINUX_DIR)/.config.target
+       echo "# CONFIG_KALLSYMS_EXTRA_PASS is not set" >> $(LINUX_DIR)/.config.target
+       echo "# CONFIG_KPROBES is not set" >> $(LINUX_DIR)/.config.target
+       $(SCRIPT_DIR)/metadata.pl kconfig $(TMP_DIR)/.packageinfo $(TOPDIR)/.config > $(LINUX_DIR)/.config.override
+       $(SCRIPT_DIR)/kconfig.pl 'm+' $(LINUX_DIR)/.config.target $(LINUX_DIR)/.config.override > $(LINUX_DIR)/.config
        $(call Kernel/SetInitramfs)
-       $(MAKE) $(KERNEL_MAKEOPTS) $(KERNELNAME)
-       $(KERNEL_CROSS)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S $(LINUX_DIR)/vmlinux $(LINUX_KERNEL)
-       $(KERNEL_CROSS)objcopy -R .reginfo -R .note -R .comment -R .mdebug -S $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux.elf
+       $(call Kernel/Configure/$(KERNEL))
+       rm -rf $(KERNEL_BUILD_DIR)/modules
+endef
+
+define Kernel/CompileModules/Default
+       rm -f $(LINUX_DIR)/vmlinux $(LINUX_DIR)/System.map
+       +$(MAKE) $(KERNEL_MAKEOPTS) modules
+endef
+
+OBJCOPY_STRIP = -R .reginfo -R .note -R .comment -R .mdebug -R .note.gnu.build-id
+
+define Kernel/CompileImage/Default
+       $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),,rm -f $(TARGET_DIR)/init)
+       +$(MAKE) $(KERNEL_MAKEOPTS) $(KERNELNAME)
+       $(KERNEL_CROSS)objcopy -O binary $(OBJCOPY_STRIP) -S $(LINUX_DIR)/vmlinux $(LINUX_KERNEL)
+       $(KERNEL_CROSS)objcopy $(OBJCOPY_STRIP) -S $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux.elf
 endef
 
 define Kernel/Clean/Default
        rm -f $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/.configured
        rm -f $(LINUX_KERNEL)
-       $(MAKE) -C $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) clean
+       $(_SINGLE)$(MAKE) -C $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) clean
 endef