Commit ed7ceac1 authored by Masahiro Yamada's avatar Masahiro Yamada
Browse files

kbuild: add phony targets to ./Kbuild 



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: default avatarMasahiro Yamada <masahiroy@kernel.org>
parent a7f3257d

Kbuild

+13 −13
Original line number Diff line number Diff line
@@ -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

	@:

Makefile

+1 −1
Original line number Diff line number Diff line
@@ -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