# SPDX-License-Identifier: GPL-2.0## Makefile for the linux kernel.# ccflags-y := -fno-function-sections -fno-data-sections obj-y                          := main.o version.o mounts.oifneq ($(CONFIG_BLK_DEV_INITRD),y)obj-y                          += noinitramfs.oelseobj-$(CONFIG_BLK_DEV_INITRD)   += initramfs.oendifobj-$(CONFIG_GENERIC_CALIBRATE_DELAY) += calibrate.o obj-y                          += init_task.o mounts-y			:= do_mounts.omounts-$(CONFIG_BLK_DEV_RAM)	+= do_mounts_rd.omounts-$(CONFIG_BLK_DEV_INITRD)	+= do_mounts_initrd.o ## UTS_VERSION# smp-flag-$(CONFIG_SMP)			:= SMPpreempt-flag-$(CONFIG_PREEMPT_BUILD)	:= PREEMPTpreempt-flag-$(CONFIG_PREEMPT_DYNAMIC)	:= PREEMPT_DYNAMICpreempt-flag-$(CONFIG_PREEMPT_RT)	:= PREEMPT_RT build-version = $(or $(KBUILD_BUILD_VERSION), $(build-version-auto))build-timestamp = $(or $(KBUILD_BUILD_TIMESTAMP), $(build-timestamp-auto)) # Maximum length of UTS_VERSION is 64 charsfilechk_uts_version = \	utsver=$$(echo '$(pound)'"$(build-version)" $(smp-flag-y) $(preempt-flag-y) "$(build-timestamp)" | cut -b -64); \	echo '$(pound)'define UTS_VERSION \""$${utsver}"\" ## Build version.c with temporary UTS_VERSION# $(obj)/utsversion-tmp.h: FORCE	$(call filechk,uts_version) clean-files += utsversion-tmp.h $(obj)/version.o: $(obj)/utsversion-tmp.hCFLAGS_version.o := -include $(obj)/utsversion-tmp.h ## Build version-timestamp.c with final UTS_VERSION# include/generated/utsversion.h: build-version-auto = $(shell $(src)/build-version)include/generated/utsversion.h: build-timestamp-auto = $(shell LC_ALL=C date)include/generated/utsversion.h: FORCE	$(call filechk,uts_version) $(obj)/version-timestamp.o: include/generated/utsversion.hCFLAGS_version-timestamp.o := -include include/generated/utsversion.h