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Subject[PATCH] fix rebuild of wakeup.bin
In kernel/acpi/realmode/Makefile use the 'always'
variable to say that wakeup.bin should always
be made.

In acpi/Makefile we then do not need to specify the
requested target and we avoid the message from make:

`arch/x86/kernel/acpi/realmode/wakeup.bin' is up to date.

Add wakeup.lds to list af targets to avoid rebuilding
wakeup.bin - from Roland McGrath.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Pavel Machek <pavel@suse.cz>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Roland McGrath <roland@redhat.com>
---
diff --git a/arch/x86/kernel/acpi/Makefile b/arch/x86/kernel/acpi/Makefile
index 7335959..fd5ca97 100644
--- a/arch/x86/kernel/acpi/Makefile
+++ b/arch/x86/kernel/acpi/Makefile
@@ -10,5 +10,5 @@ endif
$(obj)/wakeup_rm.o: $(obj)/realmode/wakeup.bin

$(obj)/realmode/wakeup.bin: FORCE
- $(Q)$(MAKE) $(build)=$(obj)/realmode $@
+ $(Q)$(MAKE) $(build)=$(obj)/realmode

diff --git a/arch/x86/kernel/acpi/realmode/Makefile b/arch/x86/kernel/acpi/realmode/Makefile
index 0929008..1c31cc0 100644
--- a/arch/x86/kernel/acpi/realmode/Makefile
+++ b/arch/x86/kernel/acpi/realmode/Makefile
@@ -6,7 +6,8 @@
# for more details.
#

-targets := wakeup.bin wakeup.elf
+always := wakeup.bin
+targets := wakeup.elf wakeup.lds

wakeup-y += wakeup.o wakemain.o video-mode.o copy.o

@@ -48,7 +49,7 @@ LDFLAGS_wakeup.elf := -T

CPPFLAGS_wakeup.lds += -P -C

-$(obj)/wakeup.elf: $(src)/wakeup.lds $(WAKEUP_OBJS) FORCE
+$(obj)/wakeup.elf: $(obj)/wakeup.lds $(WAKEUP_OBJS) FORCE
$(call if_changed,ld)

OBJCOPYFLAGS_wakeup.bin := -O binary

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