diff --git a/QGCCommon.pri b/QGCCommon.pri
index 430fe34271fd8f5da807447a93c599e3ecfa8d8b..b0284b1b73bf6f7cffba14f7da62493a9dd18782 100644
--- a/QGCCommon.pri
+++ b/QGCCommon.pri
@@ -114,7 +114,7 @@ linux {
                 QMAKE_MACOSX_DEPLOYMENT_TARGET = 10.6
         }
         #-- Not forcing anything. Let qmake find the latest, installed SDK.
-        QMAKE_MAC_SDK = macosx10.15
+        #QMAKE_MAC_SDK = macosx10.15
         QMAKE_CXXFLAGS += -fvisibility=hidden
         QMAKE_CXXFLAGS_WARN_ON += -Werror \
             -Wno-unused-parameter           # gst-plugins-good
@@ -154,6 +154,11 @@ linux|macx|ios {
     }
 }
 
+!MacBuild {
+    # See QGCPostLinkCommon.pri for details on why MacBuild doesn't set DESTDIR
+    DESTDIR = staging
+}
+
 MobileBuild {
     DEFINES += __mobile__
 }
diff --git a/QGCPostLinkCommon.pri b/QGCPostLinkCommon.pri
index a545aa8873c9392c2160d20e4c0cfd18eb292d30..062249072efb60a5ca8f61e3016e0303734fb4cd 100644
--- a/QGCPostLinkCommon.pri
+++ b/QGCPostLinkCommon.pri
@@ -14,19 +14,32 @@
 #
 
 MacBuild {
+    QMAKE_POST_LINK += echo "Post Link Common"
+
+    # Qt is screwed up if you use qmake to create an XCode Project which has a DESTDIR set on it.
+    # This is because XCode builds create the .app in BUILT_PRODUCTS_DIR. If you use a DESTDIR then
+    # Qt adds a Copy Phase to the build which copies the .app from the BUILT_PRODUCTS_DIR to DESTDIR.
+    # This causes all sort of problem which are too long to list here. In order to work around this
+    # We have to duplicate the post link commands here to work from two different locations. And to deal
+    # with the differences between post list command running in a shell script (XCode) versus a makefile (Qt Creator)
     macx-xcode {
-        # XCode Project builds create the .app in BUILT_PRODUCTS_DIR. Copy it to the normal location for QtCreator builds.
-        QMAKE_POST_LINK += cp -r $BUILT_PRODUCTS_DIR/$${TARGET}.app .
-    }
-
-    # Copy non-standard frameworks into app package
-    QMAKE_POST_LINK += rsync -a --delete $$BASEDIR/libs/Frameworks $${TARGET}.app/Contents/
-    # SDL2 Framework
-    QMAKE_POST_LINK += && install_name_tool -change "@rpath/SDL2.framework/Versions/A/SDL2" "@executable_path/../Frameworks/SDL2.framework/Versions/A/SDL2" $${TARGET}.app/Contents/MacOS/$${TARGET}
-    # AirMap
-    contains (DEFINES, QGC_AIRMAP_ENABLED) {
-        QMAKE_POST_LINK += && rsync -a $$BASEDIR/libs/airmapd/macOS/$$AIRMAP_QT_PATH/* $${TARGET}.app/Contents/Frameworks/
-        QMAKE_POST_LINK += && install_name_tool -change "@rpath/libairmap-qt.0.0.1.dylib" "@executable_path/../Frameworks/libairmap-qt.0.0.1.dylib" $${TARGET}.app/Contents/MacOS/$${TARGET}
+        # SDL2 Framework
+        QMAKE_POST_LINK += && rsync -a --delete $$BASEDIR/libs/Frameworks/SDL2.Framework $BUILT_PRODUCTS_DIR/$${TARGET}.app/Contents/Frameworks
+        QMAKE_POST_LINK += && install_name_tool -change "@rpath/SDL2.framework/Versions/A/SDL2" "@executable_path/../Frameworks/SDL2.framework/Versions/A/SDL2" $BUILT_PRODUCTS_DIR/$${TARGET}.app/Contents/MacOS/$${TARGET}
+        # AirMap
+        contains (DEFINES, QGC_AIRMAP_ENABLED) {
+            QMAKE_POST_LINK += && rsync -a $$BASEDIR/libs/airmapd/macOS/$$AIRMAP_QT_PATH/* $BUILT_PRODUCTS_DIR/$${TARGET}.app/Contents/Frameworks/
+            QMAKE_POST_LINK += && install_name_tool -change "@rpath/libairmap-qt.0.0.1.dylib" "@executable_path/../Frameworks/libairmap-qt.0.0.1.dylib" $BUILT_PRODUCTS_DIR/$${TARGET}.app/Contents/MacOS/$${TARGET}
+        }
+    } else {
+        # SDL2 Framework
+        QMAKE_POST_LINK += && rsync -a --delete $$BASEDIR/libs/Frameworks/SDL2.Framework $${TARGET}.app/Contents/Frameworks
+        QMAKE_POST_LINK += && install_name_tool -change "@rpath/SDL2.framework/Versions/A/SDL2" "@executable_path/../Frameworks/SDL2.framework/Versions/A/SDL2" $${TARGET}.app/Contents/MacOS/$${TARGET}
+        # AirMap
+        contains (DEFINES, QGC_AIRMAP_ENABLED) {
+            QMAKE_POST_LINK += && rsync -a $$BASEDIR/libs/airmapd/macOS/$$AIRMAP_QT_PATH/* $${TARGET}.app/Contents/Frameworks/
+            QMAKE_POST_LINK += && install_name_tool -change "@rpath/libairmap-qt.0.0.1.dylib" "@executable_path/../Frameworks/libairmap-qt.0.0.1.dylib" $${TARGET}.app/Contents/MacOS/$${TARGET}
+        }
     }
 }
 
diff --git a/QGCPostLinkInstaller.pri b/QGCPostLinkInstaller.pri
index 5066d6d6b76d7c10dcb2d54097867a56c231a906..f753dc63d0fd4904af02586063a2480f547c22bb 100644
--- a/QGCPostLinkInstaller.pri
+++ b/QGCPostLinkInstaller.pri
@@ -12,6 +12,7 @@
 installer {
     DEFINES += QGC_INSTALL_RELEASE
     MacBuild {
+        #QMAKE_POST_LINK += && rsync -a --delete $BUILT_PRODUCTS_DIR/$${TARGET}.app .
         VideoEnabled {
             # Install the gstreamer framework
             # This will: