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hi folks, im new to VC++ programming with QT. I'm using Visual Studio 2008, Opensource Qt 4.5.3 and Qt4 Visual Studio Add In 1.1.1. I've created a new Qt4 application project and try to compile it, but during compilation i got this error:
could anyone help me to fix this error? thnks:confused:Quote:
LINK : fatal error LNK1181: cannot open input file 'qtmain.lib'
technically, that is not an error in the compilation stage, but rather in the linking stage.
Do you know where this 'qtmain.lib' exists?
VS has a problem opening or locating the said library.
Did you perhaps forget to tell VS where it can find this library?
There might be a good reason why you are using VS, but if you are just starting with C++ and Qt, you might be better off using Qt Creator. That way it is easier to try out Qt examples.
Something like this might be a good read:
http://www.cs.duke.edu/~ola/book/compiling.html
Once you master that, I would recommend diving into Qt's excellent online documentation:
http://doc.qt.nokia.com/4.6/how-to-learn-qt.html
There is a reference to an online book on the above page if you prefer more guided approach.
good luck
no, i have searched the Qt install directory but i can't find it. All i found are the .a's files under the lib folder.Quote:
Do you know where this 'qtmain.lib' exists?
yes, you're right. i'm currently trying to convert a program to qt, it is created using visual c++.Quote:
There might be a good reason why you are using VS,
actually, i'm no longer a qt beginner, i've already created programs using Qt Creator and QDevelop. Now, i'm trying to use and learn Visual C++ with Qt.Quote:
but if you are just starting with C++ and Qt, you might be better off using Qt Creator. That way it is easier to try out Qt examples.
Did you recompile Qt to support Visual Studio? Otherwise no .lib files exist, only .a files. Once you rebuild Qt using Visual studios compiler, there will be .lib files.
not yet, how can i recompile it to support VS?Quote:
Did you recompile Qt to support Visual Studio?
You need to run 'configure' from a dos prompt.
Eg.
configure -platform win32-msvc2008
and then build the libraries using nmake
This can easily take 4 hours or more, so be patient.
thnks, so i have to configure Qt first...
"and Qt4 Visual Studio Add In 1.1.1" <-- this should avoid QT compilation, doesn't it?
Hey, someone discuss a relative topic:How to automatically stop Visual C++ 2008 build at first compile error? , maybe helpful