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-$(CONFIG_GENERIC_CALIBRATE_DELAY) += calibrate.o
15
16ifneq ($(CONFIG_ARCH_INIT_TASK),y)
17obj-y += init_task.o
18endif
19
20mounts-y := do_mounts.o
21mounts-$(CONFIG_BLK_DEV_RAM) += do_mounts_rd.o
22mounts-$(CONFIG_BLK_DEV_INITRD) += do_mounts_initrd.o
23mounts-$(CONFIG_BLK_DEV_MD) += do_mounts_md.o
24
25# dependencies on generated files need to be listed explicitly
26$(obj)/version.o: include/generated/compile.h
27
28# compile.h changes depending on hostname, generation number, etc,
29# so we regenerate it always.
30# mkcompile_h will make sure to only update the
31# actual file if its content has changed.
32
33 chk_compile.h = :
34 quiet_chk_compile.h = echo ' CHK $@'
35silent_chk_compile.h = :
36include/generated/compile.h: FORCE
37 @$($(quiet)chk_compile.h)
38 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkcompile_h $@ \
39 "$(UTS_MACHINE)" "$(CONFIG_SMP)" "$(CONFIG_PREEMPT)" "$(CC) $(KBUILD_CFLAGS)"