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http://doc.qt.nokia.com/4.7-snapshot/opengl-hellogl.html
I am using the above example, but many of the headers(QApplication for example) are not found. I am using the newest version of QT. Why?
Posted 27-Nov-11 19:52pm

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Solution 1

I took a look at one of the include files to see what is included. Qt header files are included via angle-bracket form of #include directive, see, for example http://msdn.microsoft.com/en-us/library/36k2cdd4%28v=vs.80%29.aspx[^].

My first guess is: you need to setup compiler options to use appropriate include directories to make a compiler look up for them when angle-bracket form of include is found. Did you do it? For example, the MSDN article referenced above shows how to do it for the Microsoft C++ compiler.

—SA
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