From mboxrd@z Thu Jan 1 00:00:00 1970 From: maxin.john@gmail.com Subject: [PATCH 1/3] mdadm.h: Undefine dprintf before redefining Date: Fri, 21 Jul 2017 16:25:58 +0300 Message-ID: <1500643560-21322-1-git-send-email-maxin.john@gmail.com> Return-path: Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org Cc: Khem Raj , "Maxin B. John" List-Id: linux-raid.ids From: Khem Raj 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 Signed-off-by: Maxin B. John --- 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