Disable explicit SDK setting for Mac launcher.

Setting an SDK is breaking, but since the build slave is running our lowest supported OS version anyway, we can live with the default setting.

hudson_mac_build_release.sh

@@ -49,12 +49,17 @@ chmod +x $WORKSPACE/dist/bin/osgversion
 ################################################################################
 echo "Building Macflightgear launcher"
 
-OSX_TARGET="10.6"
+#OSX_TARGET="10.6"
+# JMT - disabling setting the sysroot since it's breaking things on 
+# current build slave. Sinc ethe slave runs 10.6 natively, we don't 
+# actually need to set these. Real solution would be to use a proper
+# build system for the Mac-launcher of course.
+# -mmacosx-version-min=$OSX_TARGET -isysroot $SDK_PATH
 
 pushd maclauncher/FlightGearOSX
 
 # compile the stub executable
-gcc -o FlightGear -mmacosx-version-min=$OSX_TARGET -isysroot $SDK_PATH main.m \
+gcc -o FlightGear main.m \
     -framework Cocoa -framework RubyCocoa -framework Foundation -framework AppKit
 
 popd