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* [PATCH 1/3] mdadm.h: Undefine dprintf before redefining
@ 2017-07-21 13:25 maxin.john
  2017-07-21 13:25 ` [PATCH 2/3] mdadm.h: include sys/sysmacros.h for major/minor defintions maxin.john
  2017-07-21 13:26 ` [PATCH 3/3] monitor.c: Fix build in x32 ABI maxin.john
  0 siblings, 2 replies; 3+ messages in thread
From: maxin.john @ 2017-07-21 13:25 UTC (permalink / raw)
  To: linux-raid; +Cc: Khem Raj, Maxin B. John

From: Khem Raj <raj.khem@gmail.com>

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>
Signed-off-by: Maxin B. John <maxin.john@intel.com>
---
 mdadm.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/mdadm.h b/mdadm.h
index ee9b837..55c707a 100644
--- a/mdadm.h
+++ b/mdadm.h
@@ -1647,11 +1647,13 @@ static inline char *to_subarray(struct mdstat_ent *ent, char *container)
 }
 
 #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...) \
-- 
2.4.0


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Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2017-07-21 13:25 [PATCH 1/3] mdadm.h: Undefine dprintf before redefining maxin.john
2017-07-21 13:25 ` [PATCH 2/3] mdadm.h: include sys/sysmacros.h for major/minor defintions maxin.john
2017-07-21 13:26 ` [PATCH 3/3] monitor.c: Fix build in x32 ABI maxin.john

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