X-Git-Url: http://git.openwrt.org/?a=blobdiff_plain;f=include%2Fkernel-defaults.mk;h=3aa1baa7610d95f88aea10e4896e12164bda8445;hb=abc2fff80fe943eb5c9a71edd3e866dc44af2533;hp=33f3a8210ff0093f2c242568b20b6716466de611;hpb=fce35bce0f6e14b278f8e20ba46d53b3696b9a31;p=openwrt%2Fopenwrt.git

diff --git a/include/kernel-defaults.mk b/include/kernel-defaults.mk
index 33f3a8210f..3aa1baa761 100644
--- a/include/kernel-defaults.mk
+++ b/include/kernel-defaults.mk
@@ -1,9 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# Copyright (C) 2006-2015 OpenWrt.org
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
-#
+# Copyright (C) 2006-2020 OpenWrt.org
 
 ifdef CONFIG_STRIP_KERNEL_EXPORTS
   KERNEL_MAKEOPTS += \
@@ -21,16 +18,22 @@ export HOST_EXTRACFLAGS=-I$(STAGING_DIR_HOST)/include
 # defined in quilt.mk
 Kernel/Patch:=$(Kernel/Patch/Default)
 
+ifneq (,$(findstring .xz,$(LINUX_SOURCE)))
+  LINUX_CAT:=xzcat
+else
+  LINUX_CAT:=gzip -dc
+endif
+
 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)
+	$(LINUX_CAT) $(DL_DIR)/$(LINUX_SOURCE) | $(TAR) -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS)
 	$(Kernel/Patch)
 	$(if $(QUILT),touch $(LINUX_DIR)/.quilt_used)
     endef
   else
     define Kernel/Prepare/Default
-	xzcat $(DL_DIR)/$(LINUX_SOURCE) | $(TAR) -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS)
+	$(LINUX_CAT) $(DL_DIR)/$(LINUX_SOURCE) | $(TAR) -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS)
     endef
   endif
 else
@@ -40,6 +43,9 @@ else
 		rmdir $(LINUX_DIR); \
 	fi
 	ln -s $(CONFIG_EXTERNAL_KERNEL_TREE) $(LINUX_DIR)
+	if [ -d $(LINUX_DIR)/user_headers ]; then \
+		rm -rf $(LINUX_DIR)/user_headers; \
+	fi
   endef
 endif
 
@@ -63,7 +69,6 @@ ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
 	$(call Kernel/SetInitramfs/PreConfigure)
 	echo 'CONFIG_INITRAMFS_ROOT_UID=$(shell id -u)' >> $(LINUX_DIR)/.config
 	echo 'CONFIG_INITRAMFS_ROOT_GID=$(shell id -g)' >> $(LINUX_DIR)/.config
-	echo 'CONFIG_INITRAMFS_FORCE=y' >> $(LINUX_DIR)/.config
 	echo "$(if $(CONFIG_TARGET_INITRAMFS_FORCE),CONFIG_INITRAMFS_FORCE=y,# CONFIG_INITRAMFS_FORCE is not set)" >> $(LINUX_DIR)/.config
 	echo "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_NONE),CONFIG_INITRAMFS_COMPRESSION_NONE=y,# CONFIG_INITRAMFS_COMPRESSION_NONE is not set)" >> $(LINUX_DIR)/.config
 	echo -e "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_GZIP),CONFIG_INITRAMFS_COMPRESSION_GZIP=y\nCONFIG_RD_GZIP=y,# CONFIG_INITRAMFS_COMPRESSION_GZIP is not set\n# CONFIG_RD_GZIP is not set)" >> $(LINUX_DIR)/.config
@@ -72,6 +77,7 @@ ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
 	echo -e "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_LZO),CONFIG_INITRAMFS_COMPRESSION_LZO=y\nCONFIG_RD_LZO=y,# CONFIG_INITRAMFS_COMPRESSION_LZO is not set\n# CONFIG_RD_LZO is not set)" >> $(LINUX_DIR)/.config
 	echo -e "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_XZ),CONFIG_INITRAMFS_COMPRESSION_XZ=y\nCONFIG_RD_XZ=y,# CONFIG_INITRAMFS_COMPRESSION_XZ is not set\n# CONFIG_RD_XZ is not set)" >> $(LINUX_DIR)/.config
 	echo -e "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_LZ4),CONFIG_INITRAMFS_COMPRESSION_LZ4=y\nCONFIG_RD_LZ4=y,# CONFIG_INITRAMFS_COMPRESSION_LZ4 is not set\n# CONFIG_RD_LZ4 is not set)" >> $(LINUX_DIR)/.config
+	echo -e "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_ZSTD),CONFIG_INITRAMFS_COMPRESSION_ZSTD=y\nCONFIG_RD_STD=y,# CONFIG_INITRAMFS_COMPRESSION_ZSTD is not set\n# CONFIG_RD_ZSTD is not set)" >> $(LINUX_DIR)/.config
   endef
 else
 endif
@@ -141,6 +147,7 @@ ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),)
 define Kernel/CompileImage/Initramfs
 	$(call Kernel/Configure/Initramfs)
 	$(CP) $(GENERIC_PLATFORM_DIR)/other-files/init $(TARGET_DIR)/init
+	$(if $(SOURCE_DATE_EPOCH),touch -hcd "@$(SOURCE_DATE_EPOCH)" $(TARGET_DIR)/init)
 	rm -rf $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/usr/initramfs_data.cpio*
 	+$(KERNEL_MAKE) $(if $(KERNELNAME),$(KERNELNAME),all) modules
 	$(call Kernel/CopyImage,-initramfs)