#
-# Copyright (C) 2006-2011 OpenWrt.org
+# Copyright (C) 2006-2015 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
+ifneq ($(SOURCE_DATE_EPOCH),)
+ ifndef DUMP
+ KBUILD_BUILD_TIMESTAMP:=$(shell perl -e 'print scalar gmtime($(SOURCE_DATE_EPOCH))')
+ endif
+endif
+
KERNEL_MAKEOPTS := -C $(LINUX_DIR) \
HOSTCFLAGS="$(HOST_CFLAGS) -Wall -Wmissing-prototypes -Wstrict-prototypes" \
CROSS_COMPILE="$(KERNEL_CROSS)" \
ARCH="$(LINUX_KARCH)" \
KBUILD_HAVE_NLS=no \
+ KBUILD_BUILD_USER="$(call qstrip,$(CONFIG_KERNEL_BUILD_USER))" \
+ KBUILD_BUILD_HOST="$(call qstrip,$(CONFIG_KERNEL_BUILD_DOMAIN))" \
+ KBUILD_BUILD_TIMESTAMP="$(KBUILD_BUILD_TIMESTAMP)" \
+ KBUILD_BUILD_VERSION="0" \
+ HOST_LOADLIBES="-L$(STAGING_DIR_HOST)/lib" \
CONFIG_SHELL="$(BASH)" \
- $(if $(findstring c,$(OPENWRT_VERBOSE)),V=1,V='')
+ $(if $(findstring c,$(OPENWRT_VERBOSE)),V=1,V='') \
+ $(if $(PKG_BUILD_ID),LDFLAGS_MODULE=--build-id=0x$(PKG_BUILD_ID)) \
+ cmd_syscalls=
+
+
+ifeq ($(call qstrip,$(CONFIG_EXTERNAL_KERNEL_TREE))$(call qstrip,$(CONFIG_KERNEL_GIT_CLONE_URI)),)
+ KERNEL_MAKEOPTS += \
+ KERNELRELEASE=$(LINUX_VERSION)
+endif
ifdef CONFIG_STRIP_KERNEL_EXPORTS
KERNEL_MAKEOPTS += \
# defined in quilt.mk
Kernel/Patch:=$(Kernel/Patch/Default)
+
ifeq ($(strip $(CONFIG_EXTERNAL_KERNEL_TREE)),"")
ifeq ($(strip $(CONFIG_KERNEL_GIT_CLONE_URI)),"")
define Kernel/Prepare/Default
xzcat $(DL_DIR)/$(LINUX_SOURCE) | $(TAR) -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS)
$(Kernel/Patch)
- touch $(LINUX_DIR)/.quilt_used
+ $(if $(QUILT),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
+ define Kernel/Prepare/Default
+ xzcat $(DL_DIR)/$(LINUX_SOURCE) | $(TAR) -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS)
+ endef
endif
else
define Kernel/Prepare/Default
endif
define Kernel/SetInitramfs
+ rm -f $(LINUX_DIR)/.config.prev
mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
$(call Kernel/SetInitramfs/PreConfigure)
echo 'CONFIG_INITRAMFS_ROOT_UID=$(shell id -u)' >> $(LINUX_DIR)/.config
endif
define Kernel/SetNoInitramfs
- mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
- grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config
- echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config
+ mv $(LINUX_DIR)/.config.set $(LINUX_DIR)/.config.old
+ grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config.set
+ echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config.set
endef
define Kernel/Configure/Default
+ rm -f $(LINUX_DIR)/localversion
$(LINUX_CONF_CMD) > $(LINUX_DIR)/.config.target
# copy CONFIG_KERNEL_* settings over to .config.target
awk '/^(#[[:space:]]+)?CONFIG_KERNEL/{sub("CONFIG_KERNEL_","CONFIG_");print}' $(TOPDIR)/.config >> $(LINUX_DIR)/.config.target
echo "# CONFIG_KALLSYMS_EXTRA_PASS is not set" >> $(LINUX_DIR)/.config.target
echo "# CONFIG_KALLSYMS_ALL is not set" >> $(LINUX_DIR)/.config.target
- echo "# CONFIG_KALLSYMS_UNCOMPRESSED 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 /dev/null $(LINUX_DIR)/.config.override > $(LINUX_DIR)/.config
+ echo "CONFIG_KALLSYMS_UNCOMPRESSED=y" >> $(LINUX_DIR)/.config.target
+ $(SCRIPT_DIR)/package-metadata.pl kconfig $(TMP_DIR)/.packageinfo $(TOPDIR)/.config $(KERNEL_PATCHVER) > $(LINUX_DIR)/.config.override
+ $(SCRIPT_DIR)/kconfig.pl 'm+' '+' $(LINUX_DIR)/.config.target /dev/null $(LINUX_DIR)/.config.override > $(LINUX_DIR)/.config.set
$(call Kernel/SetNoInitramfs)
rm -rf $(KERNEL_BUILD_DIR)/modules
+ cmp -s $(LINUX_DIR)/.config.set $(LINUX_DIR)/.config.prev || { \
+ cp $(LINUX_DIR)/.config.set $(LINUX_DIR)/.config; \
+ cp $(LINUX_DIR)/.config.set $(LINUX_DIR)/.config.prev; \
+ }
$(_SINGLE) [ -d $(LINUX_DIR)/user_headers ] || $(MAKE) $(KERNEL_MAKEOPTS) INSTALL_HDR_PATH=$(LINUX_DIR)/user_headers headers_install
- $(SH_FUNC) grep '=[ym]' $(LINUX_DIR)/.config | LC_ALL=C sort | md5s > $(LINUX_DIR)/.vermagic
+ grep '=[ym]' $(LINUX_DIR)/.config.set | LC_ALL=C sort | mkhash md5 > $(LINUX_DIR)/.vermagic
endef
define Kernel/Configure/Initramfs
OBJCOPY_STRIP = -R .reginfo -R .notes -R .note -R .comment -R .mdebug -R .note.gnu.build-id
-# AVR32 uses a non-standard location
-ifeq ($(LINUX_KARCH),avr32)
-IMAGES_DIR:=images
-endif
-
# AMD64 shares the location with x86
ifeq ($(LINUX_KARCH),x86_64)
IMAGES_DIR:=../../x86/boot
endif
define Kernel/CopyImage
- $(KERNEL_CROSS)objcopy -O binary $(OBJCOPY_STRIP) -S $(LINUX_DIR)/vmlinux $(LINUX_KERNEL)$(1)
- $(KERNEL_CROSS)objcopy $(OBJCOPY_STRIP) -S $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux$(1).elf
-ifneq ($(subst ",,$(KERNELNAME)),)
- #")
- $(foreach k,$(filter-out dtbs,$(subst ",,$(KERNELNAME))),$(CP) $(LINUX_DIR)/arch/$(LINUX_KARCH)/boot/$(IMAGES_DIR)/$(k) $(KERNEL_BUILD_DIR)/$(k)$(1);)
- #")
-endif
+ cmp -s $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux$(1).debug || { \
+ $(KERNEL_CROSS)objcopy -O binary $(OBJCOPY_STRIP) -S $(LINUX_DIR)/vmlinux $(LINUX_KERNEL)$(1); \
+ $(KERNEL_CROSS)objcopy $(OBJCOPY_STRIP) -S $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux$(1).elf; \
+ $(CP) $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux$(1).debug; \
+ $(foreach k, \
+ $(if $(KERNEL_IMAGES),$(KERNEL_IMAGES),$(filter-out vmlinux dtbs,$(KERNELNAME))), \
+ $(CP) $(LINUX_DIR)/arch/$(LINUX_KARCH)/boot/$(IMAGES_DIR)/$(k) $(KERNEL_BUILD_DIR)/$(k)$(1); \
+ ) \
+ }
endef
define Kernel/CompileImage/Default
rm -f $(TARGET_DIR)/init
- +$(MAKE) $(KERNEL_MAKEOPTS) $(subst ",,$(KERNELNAME))
- #")
+ +$(MAKE) $(KERNEL_MAKEOPTS) $(if $(KERNELNAME),$(KERNELNAME),all) modules
$(call Kernel/CopyImage)
endef
ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),)
define Kernel/CompileImage/Initramfs
$(call Kernel/Configure/Initramfs)
- $(CP) $(GENERIC_PLATFORM_DIR)/base-files/init $(TARGET_DIR)/init
+ $(CP) $(GENERIC_PLATFORM_DIR)/other-files/init $(TARGET_DIR)/init
rm -rf $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/usr/initramfs_data.cpio*
- +$(MAKE) $(KERNEL_MAKEOPTS) $(subst ",,$(KERNELNAME))
- #")
- #")
+ +$(MAKE) $(KERNEL_MAKEOPTS) $(if $(KERNELNAME),$(KERNELNAME),all) modules
$(call Kernel/CopyImage,-initramfs)
endef
else
projects / openwrt / openwrt.git / blobdiff