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-rw-r--r--src/3rdparty/zlib/zlib.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/3rdparty/zlib/zlib.h b/src/3rdparty/zlib/zlib.h
index bfbba83..4069724 100644
--- a/src/3rdparty/zlib/zlib.h
+++ b/src/3rdparty/zlib/zlib.h
@@ -33,6 +33,15 @@
#include "zconf.h"
+#include "qconfig.h"
+#if defined(QT_VISIBILITY_AVAILABLE)
+# undef ZEXTERN
+# define ZEXTERN __attribute__((visibility("default")))
+#elif defined(QT_MAKEDLL)
+# undef ZEXTERN
+# define ZEXTERN __declspec(dllexport)
+#endif
+
#ifdef __cplusplus
extern "C" {
#endif