]> git.ipfire.org Git - thirdparty/kernel/stable.git/blob - Kbuild
Merge branch 'core-speculation-for-linus' of git://git.kernel.org/pub/scm/linux/kerne...
[thirdparty/kernel/stable.git] / Kbuild
1 # SPDX-License-Identifier: GPL-2.0
2 #
3 # Kbuild for top-level directory of the kernel
4
5 #####
6 # Generate bounds.h
7
8 bounds-file := include/generated/bounds.h
9
10 always := $(bounds-file)
11 targets := kernel/bounds.s
12
13 $(bounds-file): kernel/bounds.s FORCE
14 $(call filechk,offsets,__LINUX_BOUNDS_H__)
15
16 #####
17 # Generate timeconst.h
18
19 timeconst-file := include/generated/timeconst.h
20
21 targets += $(timeconst-file)
22
23 filechk_gentimeconst = echo $(CONFIG_HZ) | bc -q $<
24
25 $(timeconst-file): kernel/time/timeconst.bc FORCE
26 $(call filechk,gentimeconst)
27
28 #####
29 # Generate asm-offsets.h
30
31 offsets-file := include/generated/asm-offsets.h
32
33 always += $(offsets-file)
34 targets += arch/$(SRCARCH)/kernel/asm-offsets.s
35
36 arch/$(SRCARCH)/kernel/asm-offsets.s: $(timeconst-file) $(bounds-file)
37
38 $(offsets-file): arch/$(SRCARCH)/kernel/asm-offsets.s FORCE
39 $(call filechk,offsets,__ASM_OFFSETS_H__)
40
41 #####
42 # Check for missing system calls
43
44 always += missing-syscalls
45 targets += missing-syscalls
46
47 quiet_cmd_syscalls = CALL $<
48 cmd_syscalls = $(CONFIG_SHELL) $< $(CC) $(c_flags) $(missing_syscalls_flags)
49
50 missing-syscalls: scripts/checksyscalls.sh $(offsets-file) FORCE
51 $(call cmd,syscalls)
52
53 #####
54 # Check atomic headers are up-to-date
55
56 always += old-atomics
57 targets += old-atomics
58
59 quiet_cmd_atomics = CALL $<
60 cmd_atomics = $(CONFIG_SHELL) $<
61
62 old-atomics: scripts/atomic/check-atomics.sh FORCE
63 $(call cmd,atomics)
64
65 # Keep these three files during make clean
66 no-clean-files := $(bounds-file) $(offsets-file) $(timeconst-file)