core(alloc): force initialization of memalign flag

- before main() launch

core(alloc): force initialization of memalign flag
- before main() launch
823884b0 · Alexander Alekhin · dd4f591d · 823884b0
Commit 823884b0 authored Oct 14, 2019 by Alexander Alekhin
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alloc.cpp modules/core/src/alloc.cpp +7 -0

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--- a/modules/core/src/alloc.cpp
+++ b/modules/core/src/alloc.cpp
@@ -112,6 +112,13 @@ bool isAlignedAllocationEnabled()
    }
    return useMemalign;
 }
+// do not use variable directly, details: https://github.com/opencv/opencv/issues/15691
+static const bool g_force_initialization_memalign_flag
+#if defined __GNUC__
+    __attribute__((unused))
+#endif
+    = isAlignedAllocationEnabled();
+
 #endif

 #ifdef OPENCV_ALLOC_ENABLE_STATISTICS