Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1# SPDX-License-Identifier: GPL-2.0
2#
3# Makefile for the linux kernel.
4#
5
6ccflags-y := -fno-function-sections -fno-data-sections
7
8obj-y := main.o version.o mounts.o
9ifneq ($(CONFIG_BLK_DEV_INITRD),y)
10obj-y += noinitramfs.o
11else
12obj-$(CONFIG_BLK_DEV_INITRD) += initramfs.o
13endif
14obj-$(CONFIG_GENERIC_CALIBRATE_DELAY) += calibrate.o
15
16obj-y += init_task.o
17
18mounts-y := do_mounts.o
19mounts-$(CONFIG_BLK_DEV_RAM) += do_mounts_rd.o
20mounts-$(CONFIG_BLK_DEV_INITRD) += do_mounts_initrd.o
21
22# dependencies on generated files need to be listed explicitly
23$(obj)/version.o: include/generated/compile.h
24
25# compile.h changes depending on hostname, generation number, etc,
26# so we regenerate it always.
27# mkcompile_h will make sure to only update the
28# actual file if its content has changed.
29
30quiet_cmd_compile.h = CHK $@
31 cmd_compile.h = \
32 $(CONFIG_SHELL) $(srctree)/scripts/mkcompile_h $@ \
33 "$(UTS_MACHINE)" "$(CONFIG_SMP)" "$(CONFIG_PREEMPT)" \
34 "$(CONFIG_PREEMPT_RT)" $(CONFIG_CC_VERSION_TEXT) "$(LD)"
35
36include/generated/compile.h: FORCE
37 $(call cmd,compile.h)