Merge pull request #23 from rkitover/master

improve OpenAL support on Mac and make it default

src/wx/openal.cpp

@@ -350,7 +350,7 @@ bool OpenAL::LoadOAL()
 #else
 #ifdef __WXMAC__
         // on macosx, it's just plain OpenAL
-        !Lib.Load(wxT("OpenAL"), wxDL_NOW | wxDL_VERBATIM) &&
+        !Lib.Load(wxT("/System/Library/Frameworks/OpenAL.framework/Versions/A/OpenAL"), wxDL_NOW | wxDL_VERBATIM) &&
 #endif
 #endif
         // on linux, it's libopenal.so

src/wx/opts.cpp

@@ -273,6 +273,10 @@ opts_t::opts_t()
     frameSkip = -1;
 #ifdef __WXMSW__
     audio_api = AUD_DIRECTSOUND;
+#else
+#ifdef __WXMAC__
+    audio_api = AUD_OPENAL;
+#endif
 #endif
     video_scale = 3;
     retain_aspect = true;