diff --git a/extern/libpng/libpng-config.in b/extern/libpng/libpng-config.in
old mode 100644
new mode 100755
diff --git a/extern/libpng/ltmain.sh b/extern/libpng/ltmain.sh
old mode 100755
new mode 100644
diff --git a/extern/libpng/scripts/libpng-config-body.in b/extern/libpng/scripts/libpng-config-body.in
old mode 100644
new mode 100755
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 3fbc66abde..5c21874212 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -251,6 +251,8 @@ elseif(APPLE)
       "${SM_XCODE_DIR}/plistHelper.hpp"
       XCODE_ATTRIBUTE_GCC_PREFIX_HEADER
       "${CMAKE_CURRENT_SOURCE_DIR}/archutils/Darwin/StepMania.pch"
+      XCODE_ATTRIBUTE_GCC_ENABLE_CPP_EXCEPTIONS
+      "NO"
       XCODE_ATTRIBUTE_LIBRARY_SEARCH_PATHS
       "${SM_XCODE_DIR}/Libraries")
       # XCODE_ATTRIBUTE_CODE_SIGN_ENTITLEMENTS
diff --git a/src/NoteDataUtil.cpp b/src/NoteDataUtil.cpp
index ee5e321258..330b3f0b58 100644
--- a/src/NoteDataUtil.cpp
+++ b/src/NoteDataUtil.cpp
@@ -11,17 +11,6 @@
 #include "TimingData.h"
 #include <utility>
 
-bool NoteDataUtil::StringInterpretsAs( const std::string& str, int integer ) {
-	try
-	{
-		return std::stoi( str ) == integer;
-	}
-	catch ( const std::invalid_argument & )
-	{
-		return false;
-	}
-}
-
 // TODO: Remove these constants that aren't time signature-aware
 static const int BEATS_PER_MEASURE = 4;
 static const int ROWS_PER_MEASURE = ROWS_PER_BEAT * BEATS_PER_MEASURE;
diff --git a/src/NoteDataUtil.h b/src/NoteDataUtil.h
index 8b9ea53432..a855ddd2a6 100644
--- a/src/NoteDataUtil.h
+++ b/src/NoteDataUtil.h
@@ -23,11 +23,6 @@ void LightTransformHelper( const NoteData &in, NoteData &out, const vector<int>
  * and makes it much easier to change NoteData internally in the future. */
 namespace NoteDataUtil
 {
-	/**
-	 * @brief Whether a string can be interpreted as the provided signed integer
-	 */
-	bool StringInterpretsAs( const std::string& str, int integer );
-
 	NoteType GetSmallestNoteTypeForMeasure( const NoteData &nd, int iMeasureIndex );
 	NoteType GetSmallestNoteTypeInRange( const NoteData &nd, int iStartIndex, int iEndIndex );
 	void LoadFromSMNoteDataString( NoteData &out, const RString &sSMNoteData, bool bComposite );
diff --git a/src/NotesLoaderSM.cpp b/src/NotesLoaderSM.cpp
index d874543a42..f9d748af80 100644
--- a/src/NotesLoaderSM.cpp
+++ b/src/NotesLoaderSM.cpp
@@ -3,7 +3,6 @@
 #include "BackgroundUtil.h"
 #include "GameManager.h"
 #include "MsdFile.h"
-#include "NoteDataUtil.h"
 #include "NoteTypes.h"
 #include "RageFileManager.h"
 #include "RageLog.h"
@@ -975,26 +974,28 @@ bool SMLoader::LoadFromBGChangesVector( BackgroundChange &change, std::vector<RS
 	case 6:
 		// param 7 overrides this.
 		// Backward compatibility:
-		if( change.m_def.m_sEffect.empty() && !NoteDataUtil::StringInterpretsAs( aBGChangeValues[5], 0 ) )
+		if( change.m_def.m_sEffect.empty() )
 		{
-			change.m_def.m_sEffect = SBE_StretchNoLoop;
+			bool bLoop = std::stoi( aBGChangeValues[5] ) != 0;
+			if( !bLoop )
+				change.m_def.m_sEffect = SBE_StretchNoLoop;
 		}
 		// fall through
 	case 5:
 		// param 7 overrides this.
 		// Backward compatibility:
-		if( change.m_def.m_sEffect.empty() && !NoteDataUtil::StringInterpretsAs( aBGChangeValues[4], 0 ) )
+		if( change.m_def.m_sEffect.empty() )
 		{
-			change.m_def.m_sEffect = SBE_StretchRewind;
+			bool bRewindMovie = std::stoi( aBGChangeValues[4] ) != 0;
+			if( bRewindMovie )
+				change.m_def.m_sEffect = SBE_StretchRewind;
 		}
 		// fall through
 	case 4:
 		// param 9 overrides this.
 		// Backward compatibility:
-		if( change.m_sTransition.empty() && !NoteDataUtil::StringInterpretsAs( aBGChangeValues[3], 0 ) )
-		{
-			change.m_sTransition = SBT_CrossFade;
-		}
+		if( change.m_sTransition.empty() )
+			change.m_sTransition = (std::stoi( aBGChangeValues[3] ) != 0) ? "CrossFade" : "";
 		// fall through
 	case 3:
 		change.m_fRate = StringToFloat( aBGChangeValues[2] );