How to change the C++ Runtime Library setting in QtCreator?

问题:

I'm absolutely new to Qt. I've made a program using C++ in Visual Studio 2010 in which I use the external library from Dcmtk. I now want to add a user interface to that program. In my original program I had to change the C++ Runtime Library in Code Generation setting in Visual Studio to Multi-Threaded(/MT) from Multi-Threaded Debug DLL otherwise the program would not work. I have to do the same in QtCreator, but I don't know how to change that setting in Qt. Could you please suggest how I should approach that? Thanks.

回答1:

/MT is a compiler flag. You can specify flags in your .pro file like this:

QMAKE_CXXFLAGS += /MT

Moreover, you probably want to specify /MTd for debug build:

Release:QMAKE_CXXFLAGS += /MT Debug:QMAKE_CXXFLAGS += /MTd 

回答2:

In the version of QT 5.5 the variable is QMAKE_CXXFLAGS_DEBUG and QMAKE_CXXFLAGS_RELEASE so the new working solution for QT 5.5 is:

QMAKE_CXXFLAGS_DEBUG += /MTd QMAKE_CXXFLAGS_RELEASE += /MT 

回答3:

A qmake configuration is also available for this.

CONFIG += thread 

文章来源: How to change the C++ Runtime Library setting in QtCreator?