don - Small changes to support Mac OSX CGL build

small unused variable warning fix.

src/osgPlugins/freetype/GNUmakefile

@@ -8,7 +8,7 @@ CXXFILES =\
 
 INC += $(FREETYPE_INCLUDE)
 
-LIBS   += -losgText $(OSG_LIBS) $(FREETYPE_LIB) $(OTHER_LIBS)
+LIBS   += -losgText $(OSG_LIBS) $(FREETYPE_LIB) $(OTHER_LIBS) -L/usr/X11R6/lib -lX11
 
 
 TARGET_BASENAME = freetype

src/osgProducer/OsgSceneHandler.cpp

@@ -90,7 +90,8 @@ void OsgSceneHandler::drawImplementation(Producer::Camera &)
         double minimumTargetMaxFrameTime = 0.010; // 10ms.
         double targetMaxFrameTime = osg::minimum(timeForPreviousFrame, minimumTargetMaxFrameTime);
         
-        double maximumAvailableTime = 0.0025; // 2.5ms.
+		// Unused variable warning
+        //double maximumAvailableTime = 0.0025; // 2.5ms.
         double drawCostFactor = 2.0; // must be greater than 1 to account for the extra cost of emptying the OpenGL fifo.
         double frameFactor = 0.9; // must be less than 1, to compensate for extra time spent in update and swap buffers etc.
         double timeLeftTillEndOfFrame = targetMaxFrameTime*frameFactor - timeForCullAndDraw*drawCostFactor;