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I have multiple qmake .pro files which are called from a root .pro file with a subdirs template.
What is the best way to change a setting for the whole build system (eg. release to debug).
Currently I can only do this by changing each sub .pro file, or using an external script to change each .pro file.
I was hoping there was a way to share qmake variables between the subdirs .pro file and the others.
The only way I know of doing this is through an include file: define all your variables in a vars.pri file at the root of your project and use include() in the .pro files to access the shared variable.