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From 6d369e8f226594632ce4260129509daf7030de0a Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Mon, 9 May 2016 22:03:57 +0000
Subject: [PATCH] mdadm.h: Undefine dprintf before redefining

dprintf is also defined in libc see
usr/include/bits/stdio2.h, this comes into
play especially when fortify sources is enabled
and compilers like clang reports the override

In file included from policy.c:25:
./mdadm.h:1562:9: error: 'dprintf' macro redefined [-Werror,-Wmacro-redefined]
        ^
/mnt/oe/openembedded-core/build/tmp-glibc/sysroots/qemux86/usr/include/bits/stdio2.h:145:12: note: previous definition is here

Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
Upstream-Status: Pending

 mdadm.h | 2 ++
 1 file changed, 2 insertions(+)

--- a/mdadm.h
+++ b/mdadm.h
@@ -1595,11 +1595,13 @@ static inline char *to_subarray(struct m
 }
 
 #ifdef DEBUG
+#undef dprintf
 #define dprintf(fmt, arg...) \
 	fprintf(stderr, "%s: %s: "fmt, Name, __func__, ##arg)
 #define dprintf_cont(fmt, arg...) \
 	fprintf(stderr, fmt, ##arg)
 #else
+#undef dprintf
 #define dprintf(fmt, arg...) \
         ({ if (0) fprintf(stderr, "%s: %s: " fmt, Name, __func__, ##arg); 0; })
 #define dprintf_cont(fmt, arg...) \