编译Openscenegraph 3.1.8与Qt 5.0.2

Question

我想在windows 7（basic）上使用cmake 2.8.11进行配置后，使用mingw-32编译器编译与Qt 5.0.2的openscenegraph-3.1.8。

不过，在编译过程中我得到了以下错误： -

In file included from C:/Qt/Qt5.0.2/5.0.2/mingw47_32/include/QtGui/qopengl.h:55:0, 
       from C:/Qt/Qt5.0.2/5.0.2/mingw47_32/include/QtOpenGL/qgl.h:47, 
       from C:/Qt/Qt5.0.2/5.0.2/mingw47_32/include/QtOpenGL/QGLWidget:1, 
       from C:/OpenSceneGraph-3.1.8/include/osgQt/GraphicsWindowQt:24, 
       from C:\OpenSceneGraph-3.1.8\src\osgQt\GraphicsWindowQt.cpp:15: 
C:/Qt/Qt5.0.2/5.0.2/mingw47_32/include/GLES2/gl2.h:38:26: error: conflicting declaration 'typedef khronos_intptr_t GLintptr' 
In file included from C:/OpenSceneGraph-3.1.8/include/osg/Array:34:0, 
       from C:/OpenSceneGraph-3.1.8/include/osg/Uniform:23, 
       from C:/OpenSceneGraph-3.1.8/include/osg/StateSet:20, 
       from C:/OpenSceneGraph-3.1.8/include/osg/State:18, 
       from C:/OpenSceneGraph-3.1.8/include/osg/GraphicsContext:17, 
       from C:/OpenSceneGraph-3.1.8/include/osgViewer/GraphicsWindow:17, 
       from C:/OpenSceneGraph-3.1.8/include/osgQt/GraphicsWindowQt:17, 
       from C:\OpenSceneGraph-3.1.8\src\osgQt\GraphicsWindowQt.cpp:15: 
C:/OpenSceneGraph-3.1.8/include/osg/BufferObject:47:21: error: 'GLintptr' has a previous declaration as 'typedef int GLintptr' 
In file included from C:/Qt/Qt5.0.2/5.0.2/mingw47_32/include/QtGui/qopengl.h:55:0, 
       from C:/Qt/Qt5.0.2/5.0.2/mingw47_32/include/QtOpenGL/qgl.h:47, 
       from C:/Qt/Qt5.0.2/5.0.2/mingw47_32/include/QtOpenGL/QGLWidget:1, 
       from C:/OpenSceneGraph-3.1.8/include/osgQt/GraphicsWindowQt:24, 
       from C:\OpenSceneGraph-3.1.8\src\osgQt\GraphicsWindowQt.cpp:15: 
C:/Qt/Qt5.0.2/5.0.2/mingw47_32/include/GLES2/gl2.h:39:26: error: conflicting declaration 'typedef khronos_ssize_t GLsizeiptr' 
In file included from C:/OpenSceneGraph-3.1.8/include/osg/Array:34:0, 
       from C:/OpenSceneGraph-3.1.8/include/osg/Uniform:23, 
       from C:/OpenSceneGraph-3.1.8/include/osg/StateSet:20, 
       from C:/OpenSceneGraph-3.1.8/include/osg/State:18, 
       from C:/OpenSceneGraph-3.1.8/include/osg/GraphicsContext:17, 
       from C:/OpenSceneGraph-3.1.8/include/osgViewer/GraphicsWindow:17, 
       from C:/OpenSceneGraph-3.1.8/include/osgQt/GraphicsWindowQt:17, 
       from C:\OpenSceneGraph-3.1.8\src\osgQt\GraphicsWindowQt.cpp:15: 
C:/OpenSceneGraph-3.1.8/include/osg/BufferObject:48:21: error: 'GLsizeiptr' has a previous declaration as 'typedef int GLsizeiptr' 

Answer 1

看起来你正在构建QT对OpenGL的2和OSG与不同版本 - 见链接重建QT： http://www.qtforum.org/article/39175/opengl-with-qt-5-0-1-and-glew.html