build: workaround for FORTIFY_SOURCE=2 builds on Alpine

7dad0f23 · Alexander Alekhin · b3a07166 · 7dad0f23
Commit 7dad0f23 authored Jan 20, 2020 by Alexander Alekhin
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precomp.hpp modules/videoio/src/precomp.hpp +5 -0

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--- a/modules/videoio/src/precomp.hpp
+++ b/modules/videoio/src/precomp.hpp
@@ -42,6 +42,11 @@
 #ifndef __VIDEOIO_H_
 #define __VIDEOIO_H_

+#if defined __linux__ || defined __APPLE__ || defined __HAIKU__
+#include <unistd.h>  // -D_FORTIFY_SOURCE=2 workaround: https://github.com/opencv/opencv/issues/15020
+#endif
+
+
 #include "opencv2/videoio.hpp"
 #include "opencv2/videoio/legacy/constants_c.h"