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kbuild: add phony targets to ./Kbuild

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missing-syscalls and old-atomics are meant to be phony targets.
Adding them to always-y is odd. (always-y should generate something).

Add a new phony target 'prepare', which depends on all the other.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This commit is contained in:
Masahiro Yamada 2022-08-20 18:15:28 +09:00
parent a7f3257da8
commit ed7ceac157
2 changed files with 14 additions and 14 deletions
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26
Kbuild
View File

@ -2,18 +2,18 @@
#
# Kbuild for top-level directory of the kernel
#####
# Prepare global headers and check sanity before descending into sub-directories
# ---------------------------------------------------------------------------
# Generate bounds.h
bounds-file := include/generated/bounds.h
always-y := $(bounds-file)
targets := kernel/bounds.s
$(bounds-file): kernel/bounds.s FORCE
$(call filechk,offsets,__LINUX_BOUNDS_H__)
#####
# Generate timeconst.h
timeconst-file := include/generated/timeconst.h
@ -23,12 +23,10 @@ filechk_gentimeconst = echo $(CONFIG_HZ) | bc -q $<
$(timeconst-file): kernel/time/timeconst.bc FORCE
$(call filechk,gentimeconst)
#####
# Generate asm-offsets.h
offsets-file := include/generated/asm-offsets.h
always-y += $(offsets-file)
targets += arch/$(SRCARCH)/kernel/asm-offsets.s
arch/$(SRCARCH)/kernel/asm-offsets.s: $(timeconst-file) $(bounds-file)
@ -36,24 +34,26 @@ arch/$(SRCARCH)/kernel/asm-offsets.s: $(timeconst-file) $(bounds-file)
$(offsets-file): arch/$(SRCARCH)/kernel/asm-offsets.s FORCE
$(call filechk,offsets,__ASM_OFFSETS_H__)
#####
# Check for missing system calls
always-y += missing-syscalls
quiet_cmd_syscalls = CALL $<
cmd_syscalls = $(CONFIG_SHELL) $< $(CC) $(c_flags) $(missing_syscalls_flags)
missing-syscalls: scripts/checksyscalls.sh $(offsets-file) FORCE
PHONY += missing-syscalls
missing-syscalls: scripts/checksyscalls.sh $(offsets-file)
$(call cmd,syscalls)
#####
# Check atomic headers are up-to-date
always-y += old-atomics
quiet_cmd_atomics = CALL $<
cmd_atomics = $(CONFIG_SHELL) $<
old-atomics: scripts/atomic/check-atomics.sh FORCE
PHONY += old-atomics
old-atomics: scripts/atomic/check-atomics.sh
$(call cmd,atomics)
# A phony target that depends on all the preparation targets
PHONY += prepare
prepare: $(offsets-file) missing-syscalls old-atomics
@:

2
Makefile
View File

@ -1202,7 +1202,7 @@ archprepare: outputmakefile archheaders archscripts scripts include/config/kerne
prepare0: archprepare
$(Q)$(MAKE) $(build)=scripts/mod
$(Q)$(MAKE) $(build)=.
$(Q)$(MAKE) $(build)=. prepare
# All the preparing..
prepare: prepare0