1b2441318SGreg Kroah-Hartman# SPDX-License-Identifier: GPL-2.0 21da177e4SLinus Torvalds# 31da177e4SLinus Torvalds# Makefile for the linux kernel. 41da177e4SLinus Torvalds# 51da177e4SLinus Torvalds 6b67067f1SNicholas Pigginccflags-y := -fno-function-sections -fno-data-sections 7b67067f1SNicholas Piggin 8c33df4eaSJean-Paul Samanobj-y := main.o version.o mounts.o 9c33df4eaSJean-Paul Samanifneq ($(CONFIG_BLK_DEV_INITRD),y) 10c33df4eaSJean-Paul Samanobj-y += noinitramfs.o 11c33df4eaSJean-Paul Samanelse 12c33df4eaSJean-Paul Samanobj-$(CONFIG_BLK_DEV_INITRD) += initramfs.o 13c33df4eaSJean-Paul Samanendif 141da177e4SLinus Torvaldsobj-$(CONFIG_GENERIC_CALIBRATE_DELAY) += calibrate.o 15a6359d1eSThomas Gleixner 16a6359d1eSThomas Gleixnerifneq ($(CONFIG_ARCH_INIT_TASK),y) 17a6359d1eSThomas Gleixnerobj-y += init_task.o 18a6359d1eSThomas Gleixnerendif 191da177e4SLinus Torvalds 201da177e4SLinus Torvaldsmounts-y := do_mounts.o 211da177e4SLinus Torvaldsmounts-$(CONFIG_BLK_DEV_RAM) += do_mounts_rd.o 221da177e4SLinus Torvaldsmounts-$(CONFIG_BLK_DEV_INITRD) += do_mounts_initrd.o 231da177e4SLinus Torvaldsmounts-$(CONFIG_BLK_DEV_MD) += do_mounts_md.o 241da177e4SLinus Torvalds 251da177e4SLinus Torvalds# dependencies on generated files need to be listed explicitly 2692045954SSam Ravnborg$(obj)/version.o: include/generated/compile.h 271da177e4SLinus Torvalds 283eb3c740SRoman Zippel# compile.h changes depending on hostname, generation number, etc, 293eb3c740SRoman Zippel# so we regenerate it always. 303eb3c740SRoman Zippel# mkcompile_h will make sure to only update the 313eb3c740SRoman Zippel# actual file if its content has changed. 323eb3c740SRoman Zippel 33fab1e310SSam Ravnborg chk_compile.h = : 34d75f4c68SMike Frysinger quiet_chk_compile.h = echo ' CHK $@' 35d75f4c68SMike Frysingersilent_chk_compile.h = : 3692045954SSam Ravnborginclude/generated/compile.h: FORCE 37d75f4c68SMike Frysinger @$($(quiet)chk_compile.h) 383eb3c740SRoman Zippel $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkcompile_h $@ \ 39a0f97e06SSam Ravnborg "$(UTS_MACHINE)" "$(CONFIG_SMP)" "$(CONFIG_PREEMPT)" "$(CC) $(KBUILD_CFLAGS)" 40