b8321ed4a4
- Add new environment variables, USERCFLAGS and USERLDFLAGS to allow
additional flags to be passed to user-space programs.
- Fix missing fflush() bugs in Kconfig and fixdep
- Fix a minor bug in the comment format of the .config file
- Make kallsyms ignore llvm's local labels, .L*
- Fix UAPI compile-test for cross-compiling with Clang
- Extend the LLVM= syntax to support LLVM=<suffix> form for using a
particular version of LLVm, and LLVM=<prefix> form for using custom
LLVM in a particular directory path.
- Clean up Makefiles
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Merge tag 'kbuild-v5.18-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Add new environment variables, USERCFLAGS and USERLDFLAGS to allow
additional flags to be passed to user-space programs.
- Fix missing fflush() bugs in Kconfig and fixdep
- Fix a minor bug in the comment format of the .config file
- Make kallsyms ignore llvm's local labels, .L*
- Fix UAPI compile-test for cross-compiling with Clang
- Extend the LLVM= syntax to support LLVM=<suffix> form for using a
particular version of LLVm, and LLVM=<prefix> form for using custom
LLVM in a particular directory path.
- Clean up Makefiles
* tag 'kbuild-v5.18-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kbuild: Make $(LLVM) more flexible
kbuild: add --target to correctly cross-compile UAPI headers with Clang
fixdep: use fflush() and ferror() to ensure successful write to files
arch: syscalls: simplify uapi/kapi directory creation
usr/include: replace extra-y with always-y
certs: simplify empty certs creation in certs/Makefile
certs: include certs/signing_key.x509 unconditionally
kallsyms: ignore all local labels prefixed by '.L'
kconfig: fix missing '# end of' for empty menu
kconfig: add fflush() before ferror() check
kbuild: replace $(if A,A,B) with $(or A,B)
kbuild: Add environment variables for userprogs flags
kbuild: unify cmd_copy and cmd_shipped
79 lines
2.5 KiB
Makefile
79 lines
2.5 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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out := arch/$(SRCARCH)/include/generated/asm
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uapi := arch/$(SRCARCH)/include/generated/uapi/asm
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# Create output directory if not already present
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$(shell mkdir -p $(out) $(uapi))
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syscall32 := $(src)/syscall_32.tbl
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syscall64 := $(src)/syscall_64.tbl
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syshdr := $(srctree)/scripts/syscallhdr.sh
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systbl := $(srctree)/scripts/syscalltbl.sh
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offset :=
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prefix :=
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quiet_cmd_syshdr = SYSHDR $@
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cmd_syshdr = $(CONFIG_SHELL) $(syshdr) --abis $(abis) --emit-nr \
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$(if $(offset),--offset $(offset)) \
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$(if $(prefix),--prefix $(prefix)) \
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$< $@
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quiet_cmd_systbl = SYSTBL $@
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cmd_systbl = $(CONFIG_SHELL) $(systbl) --abis $(abis) $< $@
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quiet_cmd_hypercalls = HYPERCALLS $@
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cmd_hypercalls = $(CONFIG_SHELL) '$<' $@ $(filter-out $<, $(real-prereqs))
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$(uapi)/unistd_32.h: abis := i386
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$(uapi)/unistd_32.h: $(syscall32) $(syshdr) FORCE
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$(call if_changed,syshdr)
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$(out)/unistd_32_ia32.h: abis := i386
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$(out)/unistd_32_ia32.h: prefix := ia32_
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$(out)/unistd_32_ia32.h: $(syscall32) $(syshdr) FORCE
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$(call if_changed,syshdr)
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$(uapi)/unistd_x32.h: abis := common,x32
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$(uapi)/unistd_x32.h: offset := __X32_SYSCALL_BIT
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$(uapi)/unistd_x32.h: $(syscall64) $(syshdr) FORCE
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$(call if_changed,syshdr)
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$(uapi)/unistd_64.h: abis := common,64
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$(uapi)/unistd_64.h: $(syscall64) $(syshdr) FORCE
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$(call if_changed,syshdr)
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$(out)/unistd_64_x32.h: abis := x32
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$(out)/unistd_64_x32.h: prefix := x32_
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$(out)/unistd_64_x32.h: $(syscall64) $(syshdr) FORCE
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$(call if_changed,syshdr)
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$(out)/syscalls_32.h: abis := i386
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$(out)/syscalls_32.h: $(syscall32) $(systbl) FORCE
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$(call if_changed,systbl)
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$(out)/syscalls_64.h: abis := common,64
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$(out)/syscalls_64.h: $(syscall64) $(systbl) FORCE
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$(call if_changed,systbl)
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$(out)/syscalls_x32.h: abis := common,x32
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$(out)/syscalls_x32.h: $(syscall64) $(systbl) FORCE
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$(call if_changed,systbl)
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$(out)/xen-hypercalls.h: $(srctree)/scripts/xen-hypercalls.sh FORCE
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$(call if_changed,hypercalls)
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$(out)/xen-hypercalls.h: $(srctree)/include/xen/interface/xen*.h
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uapisyshdr-y += unistd_32.h unistd_64.h unistd_x32.h
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syshdr-y += syscalls_32.h
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syshdr-$(CONFIG_X86_64) += unistd_32_ia32.h unistd_64_x32.h
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syshdr-$(CONFIG_X86_64) += syscalls_64.h
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syshdr-$(CONFIG_X86_X32_ABI) += syscalls_x32.h
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syshdr-$(CONFIG_XEN) += xen-hypercalls.h
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uapisyshdr-y := $(addprefix $(uapi)/, $(uapisyshdr-y))
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syshdr-y := $(addprefix $(out)/, $(syshdr-y))
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targets += $(addprefix ../../../../, $(uapisyshdr-y) $(syshdr-y))
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PHONY += all
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all: $(uapisyshdr-y) $(syshdr-y)
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@:
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