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https://github.com/torvalds/linux
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01d509a48b
Every time we add/remove a target, we need to touch the header part, including renumbering. This is not so important information. Numbering targets is rather misleading because they are not necessarily generated in this order. For example, 1) and 2) can be executed simultaneously when the -j option is given. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
55 lines
1.2 KiB
Makefile
55 lines
1.2 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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#
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# Kbuild for top-level directory of the kernel
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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 := $(bounds-file)
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targets := kernel/bounds.s
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$(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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targets += $(timeconst-file)
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filechk_gentimeconst = echo $(CONFIG_HZ) | bc -q $<
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$(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 += $(offsets-file)
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targets += arch/$(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 += missing-syscalls
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targets += 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 $(offsets-file) FORCE
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$(call cmd,syscalls)
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# Keep these three files during make clean
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no-clean-files := $(bounds-file) $(offsets-file) $(timeconst-file)
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