Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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: Masahiro Yamada <masahiroy@kernel.org>
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Kbuild
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Kbuild
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#
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# Kbuild for top-level directory of the kernel
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#####
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# Prepare global headers and check sanity before descending into sub-directories
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# ---------------------------------------------------------------------------
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# Generate bounds.h
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bounds-file := include/generated/bounds.h
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always-y := $(bounds-file)
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targets := kernel/bounds.s
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$(bounds-file): kernel/bounds.s FORCE
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$(call filechk,offsets,__LINUX_BOUNDS_H__)
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#####
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# Generate timeconst.h
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timeconst-file := include/generated/timeconst.h
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$(timeconst-file): kernel/time/timeconst.bc FORCE
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$(call filechk,gentimeconst)
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#####
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# Generate asm-offsets.h
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offsets-file := include/generated/asm-offsets.h
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always-y += $(offsets-file)
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targets += arch/$(SRCARCH)/kernel/asm-offsets.s
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arch/$(SRCARCH)/kernel/asm-offsets.s: $(timeconst-file) $(bounds-file)
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$(offsets-file): arch/$(SRCARCH)/kernel/asm-offsets.s FORCE
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$(call filechk,offsets,__ASM_OFFSETS_H__)
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#####
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# Check for missing system calls
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always-y += missing-syscalls
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quiet_cmd_syscalls = CALL $<
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cmd_syscalls = $(CONFIG_SHELL) $< $(CC) $(c_flags) $(missing_syscalls_flags)
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missing-syscalls: scripts/checksyscalls.sh $(offsets-file) FORCE
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PHONY += missing-syscalls
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missing-syscalls: scripts/checksyscalls.sh $(offsets-file)
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$(call cmd,syscalls)
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#####
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# Check atomic headers are up-to-date
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always-y += old-atomics
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quiet_cmd_atomics = CALL $<
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cmd_atomics = $(CONFIG_SHELL) $<
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old-atomics: scripts/atomic/check-atomics.sh FORCE
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PHONY += old-atomics
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old-atomics: scripts/atomic/check-atomics.sh
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$(call cmd,atomics)
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# A phony target that depends on all the preparation targets
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PHONY += prepare
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prepare: $(offsets-file) missing-syscalls old-atomics
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@: