make some data extern C and const

[rtaudio.git] / RtAudio.h

diff --git a/RtAudio.h b/RtAudio.h
index 976ada06133fb0a470bca0c29553263034460709..5b71fe88301218179bbe734a55e52cf790dc8dbb 100644 (file)
--- a/RtAudio.h
+++ b/RtAudio.h
@@ -48,7 +48,11 @@
 #define RTAUDIO_VERSION "5.0.0"
 
 #if defined _WIN32 || defined __CYGWIN__
-  #define RTAUDIO_DLL_PUBLIC
+  #if defined(RTAUDIO_EXPORT)
+    #define RTAUDIO_DLL_PUBLIC __declspec(dllexport)
+  #else
+    #define RTAUDIO_DLL_PUBLIC
+  #endif
 #else
   #if __GNUC__ >= 4
     #define RTAUDIO_DLL_PUBLIC __attribute__( (visibility( "default" )) )