linux-kernel - [PATCH] sparc: syscalls: use pattern rules to generate syscall headers

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Date:   Fri, 28 May 2021 13:07:17 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     "David S . Miller" <davem@...emloft.net>,
        sparclinux@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Masahiro Yamada <masahiroy@...nel.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: [PATCH] sparc: syscalls: use pattern rules to generate syscall headers

Use pattern rules to unify similar build rules between 32-bit and 64-bit.

Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
---

 arch/sparc/kernel/syscalls/Makefile | 18 ++++--------------
 1 file changed, 4 insertions(+), 14 deletions(-)

diff --git a/arch/sparc/kernel/syscalls/Makefile b/arch/sparc/kernel/syscalls/Makefile
index 0f2ea5bcb0d7..d63f18dd058d 100644
--- a/arch/sparc/kernel/syscalls/Makefile
+++ b/arch/sparc/kernel/syscalls/Makefile
@@ -10,25 +10,15 @@ syshdr := $(srctree)/scripts/syscallhdr.sh
 systbl := $(srctree)/scripts/syscalltbl.sh
 
 quiet_cmd_syshdr = SYSHDR  $@
-      cmd_syshdr = $(CONFIG_SHELL) $(syshdr) --emit-nr --abis $(abis) $< $@
+      cmd_syshdr = $(CONFIG_SHELL) $(syshdr) --emit-nr --abis common,$* $< $@
 
 quiet_cmd_systbl = SYSTBL  $@
-      cmd_systbl = $(CONFIG_SHELL) $(systbl) --abis $(abis) $< $@
+      cmd_systbl = $(CONFIG_SHELL) $(systbl) --abis common,$* $< $@
 
-$(uapi)/unistd_32.h: abis := common,32
-$(uapi)/unistd_32.h: $(syscall) $(syshdr) FORCE
+$(uapi)/unistd_%.h: $(syscall) $(syshdr) FORCE
 	$(call if_changed,syshdr)
 
-$(uapi)/unistd_64.h: abis := common,64
-$(uapi)/unistd_64.h: $(syscall) $(syshdr) FORCE
-	$(call if_changed,syshdr)
-
-$(kapi)/syscall_table_32.h: abis := common,32
-$(kapi)/syscall_table_32.h: $(syscall) $(systbl) FORCE
-	$(call if_changed,systbl)
-
-$(kapi)/syscall_table_64.h: abis := common,64
-$(kapi)/syscall_table_64.h: $(syscall) $(systbl) FORCE
+$(kapi)/syscall_table_%.h: $(syscall) $(systbl) FORCE
 	$(call if_changed,systbl)
 
 uapisyshdr-y		+= unistd_32.h unistd_64.h
-- 
2.27.0