Fix build iOS: when using Toolchain or building with Makefiles (not Xcode)
Fix build iOS: when using Toolchain or building with Makefiles (not Xcode)

openscenegraph/osg,scrawl/osg,scrawl/osg,scrawl/osg,scrawl/osg,openscenegraph/osg,openscenegraph/osg,openscenegraph/osg