rework parallel building to get rid of some warnings and add back support for paralle...

[openwrt/staging/yousong.git] / include / kernel-defaults.mk

diff --git a/include/kernel-defaults.mk b/include/kernel-defaults.mk
index 69ff8fa6f0fe8481c95151a38419759e4ec29699..d5cf1202b3382d3801459eb6e3a299dc3d71bb35 100644 (file)
--- a/include/kernel-defaults.mk
+++ b/include/kernel-defaults.mk
@@ -22,6 +22,7 @@ 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 +33,21 @@ endif
 
 # defined in quilt.mk
 Kernel/Patch:=$(Kernel/Patch/Default)
+ifeq ($(strip $(CONFIG_EXTERNAL_KERNEL_TREE)),"")
 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
+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)
@@ -72,14 +62,36 @@ 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
+       $(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)
+       $(call Kernel/Configure/$(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
+
+define Kernel/CompileImage/Default
+       $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),,rm -f $(TARGET_DIR)/init)
+       +$(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
 endef
@@ -87,7 +99,7 @@ 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