[Interest] explore contents of built in qmake variables

Lincoln Ramsay a1291762 at gmail.com
Wed Nov 28 06:32:10 CET 2012

On 28/11/12 15:25, Sergey wrote:
> is there a way to find out total contents of QT_CONFIG, CONFIG qmake
> variables?


> Are they arrays?


> Can I somehow print their contents?


> I know how to test, if config contains something, for example:
> contains(QT_CONFIG, system-zlib) : message("system-zlib")
> But how to print ALL CONTENTS of QT_CONFIG?

message(QT_CONFIG = $$QT_CONFIG)

However, qmake is a strictly imperative environment so it will print the 
value of QT_CONFIG at the time you hit the message() call. The value may 
be changed later.

You can run qmake -d -d -d and it will dump a (very verbose) log showing 
exactly when variables change. It includes the final value of all the 
variables at the end.


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