I have a simple question - what is Shadow Building? I've seen it in Qt in Target Setup dialog, but don't know what it does or if I should use it.
It's also present in Projects tab, under General group.
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2 Answers
Shadow building is a technique used to build different Qt builds of the same version for different platforms/compilers/etc. Your compiled build is in a different directory, separate from the original Qt source directory.
I've created a shadow build for my MSVS2010 compiler. If I wanted to, I could create a new build for MinGW in a different build directory.
See the definition here, and more information about configuring your build here.
answered Sep 10, 2011 at 17:29
Additional information for Mateen's answer.
By default, Qt Creator builds projects in a separate directory from the source directory, as shadow builds. This keeps the files generated for each build and run kit separate. If you only build and run with a single kit, you can deselect the Shadow build checkbox.
https://doc.qt.io/qtcreator/creator-build-settings.html#qmake-build-configuration
