From 865fa29f7dd1b6af8498fe08f19b4028c1c8a153 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Mon, 15 Feb 2021 09:48:22 +0900
Subject: arch: syscalls: add missing FORCE and fix 'targets' to make
 if_changed work

The rules in these Makefiles cannot detect the command line change
because the prerequisite 'FORCE' is missing.

Adding 'FORCE' will result in the headers being rebuilt every time
because the 'targets' additions are also wrong; the file paths in
'targets' must be relative to the current Makefile.

Fix all of them so the if_changed rules work correctly.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 arch/sparc/kernel/syscalls/Makefile | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

(limited to 'arch/sparc')

diff --git a/arch/sparc/kernel/syscalls/Makefile b/arch/sparc/kernel/syscalls/Makefile
index c22a21c39f30..556fe30a6c8f 100644
--- a/arch/sparc/kernel/syscalls/Makefile
+++ b/arch/sparc/kernel/syscalls/Makefile
@@ -22,24 +22,24 @@ quiet_cmd_systbl = SYSTBL  $@
 		   '$(systbl_offset_$(basetarget))'
 
 syshdr_abis_unistd_32 := common,32
-$(uapi)/unistd_32.h: $(syscall) $(syshdr)
+$(uapi)/unistd_32.h: $(syscall) $(syshdr) FORCE
 	$(call if_changed,syshdr)
 
 syshdr_abis_unistd_64 := common,64
-$(uapi)/unistd_64.h: $(syscall) $(syshdr)
+$(uapi)/unistd_64.h: $(syscall) $(syshdr) FORCE
 	$(call if_changed,syshdr)
 
 systbl_abis_syscall_table_32 := common,32
-$(kapi)/syscall_table_32.h: $(syscall) $(systbl)
+$(kapi)/syscall_table_32.h: $(syscall) $(systbl) FORCE
 	$(call if_changed,systbl)
 
 systbl_abis_syscall_table_64 := common,64
-$(kapi)/syscall_table_64.h: $(syscall) $(systbl)
+$(kapi)/syscall_table_64.h: $(syscall) $(systbl) FORCE
 	$(call if_changed,systbl)
 
 systbl_abis_syscall_table_c32 := common,32
 systbl_abi_syscall_table_c32 := c32
-$(kapi)/syscall_table_c32.h: $(syscall) $(systbl)
+$(kapi)/syscall_table_c32.h: $(syscall) $(systbl) FORCE
 	$(call if_changed,systbl)
 
 uapisyshdr-y		+= unistd_32.h unistd_64.h
@@ -47,9 +47,10 @@ kapisyshdr-y		+= syscall_table_32.h		\
 			   syscall_table_64.h		\
 			   syscall_table_c32.h
 
-targets	+= $(uapisyshdr-y) $(kapisyshdr-y)
+uapisyshdr-y	:= $(addprefix $(uapi)/, $(uapisyshdr-y))
+kapisyshdr-y	:= $(addprefix $(kapi)/, $(kapisyshdr-y))
+targets		+= $(addprefix ../../../../, $(uapisyshdr-y) $(kapisyshdr-y))
 
 PHONY += all
-all: $(addprefix $(uapi)/,$(uapisyshdr-y))
-all: $(addprefix $(kapi)/,$(kapisyshdr-y))
+all: $(uapisyshdr-y) $(kapisyshdr-y)
 	@:
-- 
cgit 


From 29c5c3ac633161f4ae2f4bb5f278b3719391b20e Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Mon, 15 Feb 2021 09:48:23 +0900
Subject: arch: syscalls: remove $(srctree)/ prefix from syscall tables

The 'syscall' variables are not directly used in the commands.
Remove the $(srctree)/ prefix because we can rely on VPATH.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
 arch/sparc/kernel/syscalls/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'arch/sparc')

diff --git a/arch/sparc/kernel/syscalls/Makefile b/arch/sparc/kernel/syscalls/Makefile
index 556fe30a6c8f..283f64407b07 100644
--- a/arch/sparc/kernel/syscalls/Makefile
+++ b/arch/sparc/kernel/syscalls/Makefile
@@ -5,7 +5,7 @@ uapi := arch/$(SRCARCH)/include/generated/uapi/asm
 _dummy := $(shell [ -d '$(uapi)' ] || mkdir -p '$(uapi)')	\
 	  $(shell [ -d '$(kapi)' ] || mkdir -p '$(kapi)')
 
-syscall := $(srctree)/$(src)/syscall.tbl
+syscall := $(src)/syscall.tbl
 syshdr := $(srctree)/$(src)/syscallhdr.sh
 systbl := $(srctree)/$(src)/syscalltbl.sh
 
-- 
cgit