Fix compilation on older Apple versions

Adds libc++ to CXX flags
Fixes macdeployqt on Qt5
Also fixes zynaddsubfx linking on Mac

cmake/apple/install_apple.sh.in

@@ -23,6 +23,19 @@ LIBREADLINE="libreadline.6.2.dylib"
 MSG_COLOR='\x1B[1;36m'
 COLOR_RESET='\x1B[0m'
 echo -e "$MSG_COLOR\n\nCreating App Bundle \"$APP\"...$COLOR_RESET"
+
+# Locate macdeployqt, assume homebrew & Qt5
+which macdeployqt > /dev/null 2>&1
+if [ $? -ne 0 ]; then
+  brew --prefix qt55 > /dev/null 2>&1
+  if [ $? -eq 0 ]; then
+    # Prefer Qt 5.5 (QTBUG-53533)
+    export PATH=$PATH:$(brew --prefix qt55)/bin
+  else
+    # Fallback Qt 5.6+
+  	export PATH=$PATH:$(brew --prefix qt5)/bin
+  fi
+fi
  
 # MacPorts only - check for u+w permissions on libreadline
 if [ -f "@APPLE_PREFIX@/lib/$LIBREADLINE" ]; then
@@ -49,7 +62,7 @@ cp -R * "$APP/Contents"
  
 # Manually copy STK rawwaves
 mkdir -p "$APP/Contents/share/stk/rawwaves"
-cp $STK_RAWWAVE/*.raw "$APP/Contents/share/stk/rawwaves"
+cp $STK_RAWWAVE/*.raw "$APP/Contents/share/stk/rawwaves" > /dev/null 2>&1
  
 # Make all libraries writable for macdeployqt
 cd "$APP"
@@ -62,20 +75,15 @@ rm -rf "$APP/Contents/bin"
  
 # Move libraries to proper locations
 mkdir -p "$APP/Contents/Frameworks"
-mv "$APP/Contents/lib/lmms/libZynAddSubFxCore.dylib" \
-   "$APP/Contents/Frameworks/libZynAddSubFxCore.dylib"
-   
 mv "$APP/Contents/lib/lmms/RemoteZynAddSubFx" \
    "$APP/Contents/MacOS/RemoteZynAddSubFx"
- 
-# Fix more Zyn Linking issues
+   
+rm "$APP/Contents/Frameworks/libZynAddSubFxCore.dylib" > /dev/null 2>&1
+
+# Fix zyn linking 
 install_name_tool -change @rpath/libZynAddSubFxCore.dylib \
-   @loader_path/../../Frameworks/libZynAddSubFxCore.dylib \
-   "$APP/Contents/lib/lmms/libzynaddsubfx.so"
- 
-install_name_tool -change @CMAKE_BINARY_DIR@/plugins/zynaddsubfx/libZynAddSubFxCore.dylib \
-   @loader_path/../../Frameworks/libZynAddSubFxCore.dylib \
-   "$APP/Contents/MacOS/RemoteZynAddSubFx"
+   @loader_path/../lib/lmms/libZynAddSubFxCore.dylib \
+  "$APP/Contents/MacOS/RemoteZynAddSubFx"
  
 # Build a list of shared objects in target/lib/lmms
 for file in "$APP/Contents/lib/lmms/"*.so; do
@@ -91,13 +99,13 @@ done
  
 # Additional binaries that require linking
 _executables="${_executables} -executable=$APP/Contents/MacOS/RemoteZynAddSubFx"
-_executables="${_executables} -executable=$APP/Contents/Frameworks/libZynAddSubFxCore.dylib"
+_executables="${_executables} -executable=$APP/Contents/lib/lmms/libZynAddSubFxCore.dylib"
 
 # Build our App Package using "macdeployqt"
 macdeployqt "$APP" $_executables
- 
+
 # OS X Specific Artwork
 mkdir -p "$APP/Contents/Resources"
 cp "@CMAKE_SOURCE_DIR@/cmake/apple/"*.icns "$APP/Contents/Resources/"
- 
+
 echo -e "\nFinished.\n\n"

plugins/GigPlayer/CMakeLists.txt

@@ -14,6 +14,10 @@ if(LMMS_HAVE_GIG)
 
 	# Enable C++11
 	ADD_DEFINITIONS(-std=c++0x)
+	
+	IF(LMMS_BUILD_APPLE)
+		SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
+	ENDIF()
 
 	LINK_DIRECTORIES(${GIG_LIBRARY_DIRS} ${SAMPLERATE_LIBRARY_DIRS})
 	LINK_LIBRARIES(${GIG_LIBRARIES} ${SAMPLERATE_LIBRARIES})

plugins/MidiExport/CMakeLists.txt

@@ -3,5 +3,9 @@ INCLUDE(BuildPlugin)
 # Enable C++11
 ADD_DEFINITIONS(-std=c++0x)
 
+IF(LMMS_BUILD_APPLE)
+	SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
+ENDIF()
+
 BUILD_PLUGIN(midiexport MidiExport.cpp MidiExport.h MidiFile.hpp
 		MOCFILES MidiExport.h)

plugins/VstEffect/CMakeLists.txt

@@ -13,6 +13,10 @@ ENDIF()
 # Enable C++11
 ADD_DEFINITIONS(-std=c++0x)
 
+IF(LMMS_BUILD_APPLE)
+	SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
+ENDIF()
+
 BUILD_PLUGIN(vsteffect VstEffect.cpp VstEffectControls.cpp VstEffectControlDialog.cpp VstSubPluginFeatures.cpp VstEffect.h VstEffectControls.h VstEffectControlDialog.h VstSubPluginFeatures.h MOCFILES VstEffectControlDialog.h VstEffectControls.h EMBEDDED_RESOURCES "${CMAKE_CURRENT_SOURCE_DIR}/*.png")
 SET_TARGET_PROPERTIES(vsteffect PROPERTIES COMPILE_FLAGS "-Wno-attributes")
 TARGET_LINK_LIBRARIES(vsteffect -lvstbase)

plugins/lb302/CMakeLists.txt

@@ -3,4 +3,8 @@ INCLUDE(BuildPlugin)
 # Enable C++11
 ADD_DEFINITIONS(-std=c++0x)
 
+IF(LMMS_BUILD_APPLE)
+	SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
+ENDIF()
+
 BUILD_PLUGIN(lb302 lb302.cpp lb302.h MOCFILES lb302.h EMBEDDED_RESOURCES "${CMAKE_CURRENT_SOURCE_DIR}/*.png")

plugins/opl2/CMakeLists.txt

@@ -3,4 +3,8 @@ INCLUDE(BuildPlugin)
 # Enable C++11
 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x")
 
+IF(LMMS_BUILD_APPLE)
+	SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
+ENDIF()
+
 BUILD_PLUGIN(OPL2 opl2instrument.cpp opl2instrument.h opl.h fmopl.c fmopl.h temuopl.cpp temuopl.h MOCFILES opl2instrument.h EMBEDDED_RESOURCES "${CMAKE_CURRENT_SOURCE_DIR}/*.png")

plugins/vestige/CMakeLists.txt

@@ -1,6 +1,10 @@
 IF(LMMS_SUPPORT_VST)
    # Enable C++11
    ADD_DEFINITIONS(-std=c++0x)
+   
+   IF(LMMS_BUILD_APPLE)
+      SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
+   ENDIF()
 
    INCLUDE(BuildPlugin)
    INCLUDE_DIRECTORIES("${CMAKE_CURRENT_SOURCE_DIR}/../vst_base")

plugins/zynaddsubfx/CMakeLists.txt

@@ -23,6 +23,10 @@ SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O2 -Wno-write-strings -Wno-deprecated-d
 
 # Enable C++11, but only for ZynAddSubFx.cpp
 set_property(SOURCE ZynAddSubFx.cpp APPEND_STRING PROPERTY COMPILE_FLAGS " -std=c++0x ")
+	
+IF(LMMS_BUILD_APPLE)
+	SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
+ENDIF()
 
 # link system-libraries when on win32
 IF(LMMS_BUILD_WIN32)

plugins/zynaddsubfx/ZynAddSubFx.cpp

@@ -533,9 +533,6 @@ ZynAddSubFxView::ZynAddSubFxView( Instrument * _instrument, QWidget * _parent )
 
 	m_toggleUIButton = new QPushButton( tr( "Show GUI" ), this );
 	m_toggleUIButton->setCheckable( true );
-#ifdef LMMS_BUILD_APPLE
-	m_toggleUIButton->setEnabled( false );
-#endif
 	m_toggleUIButton->setChecked( false );
 	m_toggleUIButton->setIcon( embed::getIconPixmap( "zoom" ) );
 	m_toggleUIButton->setFont( pointSize<8>( m_toggleUIButton->font() ) );

src/core/RemotePlugin.cpp

@@ -181,6 +181,14 @@ bool RemotePlugin::init( const QString &pluginExecutable,
 		m_failed = false;
 	}
 	QString exec = QFileInfo(QDir("plugins:"), pluginExecutable).absoluteFilePath();
+#ifdef LMMS_BUILD_APPLE
+	// search current directory first
+	QString curDir = QCoreApplication::applicationDirPath() + "/" + pluginExecutable;
+	if( QFile( curDir ).exists() )
+	{
+		exec = curDir;
+	}
+#endif
 #ifdef LMMS_BUILD_WIN32
 	if( ! exec.endsWith( ".exe", Qt::CaseInsensitive ) )
 	{