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From 3ef0c620a15994097e3e30d2ba4a90afb39d17fe Mon Sep 17 00:00:00 2001
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From: Adrian Reber <areber@redhat.com>
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Date: Fri, 4 Aug 2017 03:13:26 -0400
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Subject: [PATCH] Fix ppc64el build failure, by not redefining
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 AT_VECTOR_SIZE_ARCH
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Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1477803
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Backport of following commit on the 2.12 release:
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commit c10e0d215412edac55e941f57cc4ba80422968dd
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Author: Gianfranco Costamagna <costamagnagianfranco@yahoo.it>
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Date:   Wed Jul 5 12:50:07 2017 +0200
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    Fix ppc64el build failure, by not redefining AT_VECTOR_SIZE_ARCH
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    This fixes the ppc64el build failure
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      CC       criu/arch/ppc64/sigframe.o
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    In file included from criu/arch/ppc64/sigframe.c:5:0:
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    criu/arch/ppc64/include/asm/types.h:32:0: error: "AT_VECTOR_SIZE_ARCH" redefined [-Werror]
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     #define AT_VECTOR_SIZE_ARCH 6
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    Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
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Signed-off-by: Adrian Reber <areber@redhat.com>
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---
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 criu/arch/ppc64/include/asm/infect-types.h | 2 ++
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 1 file changed, 2 insertions(+)
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diff --git a/criu/arch/ppc64/include/asm/infect-types.h b/criu/arch/ppc64/include/asm/infect-types.h
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index 1969ca2..e07bf1e 100644
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--- a/criu/arch/ppc64/include/asm/infect-types.h
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+++ b/criu/arch/ppc64/include/asm/infect-types.h
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@@ -83,7 +83,9 @@ typedef struct {
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  *	include/linux/mm_types.h
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  */
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 #define AT_VECTOR_SIZE_BASE	20
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+#if !defined AT_VECTOR_SIZE_ARCH
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 #define AT_VECTOR_SIZE_ARCH	6
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+#endif
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 #define AT_VECTOR_SIZE		(2*(AT_VECTOR_SIZE_ARCH + AT_VECTOR_SIZE_BASE + 1))
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 typedef uint64_t auxv_t;
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-- 
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1.8.3.1
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