[opencv] 24/89: fix compiler error when building with gnu-5 toolchain (eg as currently shipped with crystax.org android ndk, and presumably soon with android studio).

[Nobuhiro Iwamatsu]

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iwamatsu pushed a commit to annotated tag 2.4.13.2
in repository opencv.

commit 4d84e6efee0d4cc0e259647df57ae5414c342816
Author: Declan Moran <dec1 at geoaze.com>
Date:   Mon Nov 14 17:21:53 2016 +0100

    fix compiler error when building with gnu-5 toolchain (eg as currently shipped with crystax.org android ndk, and presumably soon with android studio).
    
    "ts_perf.cpp ....error: 'errno' was not declared in this scope
          int err=errno;"
---
 modules/ts/src/ts_perf.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/modules/ts/src/ts_perf.cpp b/modules/ts/src/ts_perf.cpp
index 3bcb5c1..360c8b5 100644
--- a/modules/ts/src/ts_perf.cpp
+++ b/modules/ts/src/ts_perf.cpp
@@ -41,6 +41,7 @@ static bool         log_power_checkpoints;
 
 #include <sys/syscall.h>
 #include <pthread.h>
+#include <cerrno>
 static void setCurrentThreadAffinityMask(int mask)
 {
     pid_t pid=gettid();

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