linux/arch/s390/kernel/syscalls/Makefile
Masahiro Yamada bbc90bc1bd arch: syscalls: simplify uapi/kapi directory creation
$(shell ...) expands to empty. There is no need to assign it to _dummy.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
2022-03-31 12:03:46 +09:00

46 lines
1.1 KiB
Makefile

# SPDX-License-Identifier: GPL-2.0
gen := arch/$(ARCH)/include/generated
kapi := $(gen)/asm
uapi := $(gen)/uapi/asm
syscall := $(srctree)/$(src)/syscall.tbl
systbl := $(srctree)/$(src)/syscalltbl
gen-y := $(kapi)/syscall_table.h
kapi-hdrs-y := $(kapi)/unistd_nr.h
uapi-hdrs-y := $(uapi)/unistd_32.h
uapi-hdrs-y += $(uapi)/unistd_64.h
targets += $(addprefix ../../../,$(gen-y) $(kapi-hdrs-y) $(uapi-hdrs-y))
PHONY += kapi uapi
kapi: $(gen-y) $(kapi-hdrs-y)
uapi: $(uapi-hdrs-y)
# Create output directory if not already present
$(shell mkdir -p $(uapi) $(kapi))
filechk_syshdr = $(CONFIG_SHELL) '$(systbl)' -H -a $(syshdr_abi_$(basetarget)) -f "$2" < $<
filechk_sysnr = $(CONFIG_SHELL) '$(systbl)' -N -a $(sysnr_abi_$(basetarget)) < $<
filechk_syscalls = $(CONFIG_SHELL) '$(systbl)' -S < $<
syshdr_abi_unistd_32 := common,32
$(uapi)/unistd_32.h: $(syscall) FORCE
$(call filechk,syshdr,$@)
syshdr_abi_unistd_64 := common,64
$(uapi)/unistd_64.h: $(syscall) FORCE
$(call filechk,syshdr,$@)
$(kapi)/syscall_table.h: $(syscall) FORCE
$(call filechk,syscalls)
sysnr_abi_unistd_nr := common,32,64
$(kapi)/unistd_nr.h: $(syscall) FORCE
$(call filechk,sysnr)