[PATCH 24/27] powerpc: add missing FORCE and fix 'targets' to make if_changed work

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The rules in this Makefile 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' addition is 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@xxxxxxxxxx>
---

 arch/powerpc/kernel/syscalls/Makefile | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/arch/powerpc/kernel/syscalls/Makefile b/arch/powerpc/kernel/syscalls/Makefile
index 27b48954808d..d609f0040b2a 100644
--- a/arch/powerpc/kernel/syscalls/Makefile
+++ b/arch/powerpc/kernel/syscalls/Makefile
@@ -22,31 +22,31 @@ quiet_cmd_systbl = SYSTBL  $@
 		   '$(systbl_offset_$(basetarget))'
 
 syshdr_abis_unistd_32 := common,nospu,32
-$(uapi)/unistd_32.h: $(syscall) $(syshdr)
+$(uapi)/unistd_32.h: $(syscall) $(syshdr) FORCE
 	$(call if_changed,syshdr)
 
 syshdr_abis_unistd_64 := common,nospu,64
-$(uapi)/unistd_64.h: $(syscall) $(syshdr)
+$(uapi)/unistd_64.h: $(syscall) $(syshdr) FORCE
 	$(call if_changed,syshdr)
 
 systbl_abis_syscall_table_32 := common,nospu,32
 systbl_abi_syscall_table_32 := 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,nospu,64
 systbl_abi_syscall_table_64 := 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,nospu,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)
 
 systbl_abis_syscall_table_spu := common,spu
 systbl_abi_syscall_table_spu := spu
-$(kapi)/syscall_table_spu.h: $(syscall) $(systbl)
+$(kapi)/syscall_table_spu.h: $(syscall) $(systbl) FORCE
 	$(call if_changed,systbl)
 
 uapisyshdr-y		+= unistd_32.h unistd_64.h
@@ -55,9 +55,10 @@ kapisyshdr-y		+= syscall_table_32.h		\
 			   syscall_table_c32.h		\
 			   syscall_table_spu.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)
 	@:
-- 
2.27.0




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