I looked into QQmlApplication examples, they all use pc files. I'm attaching the files that are doing the import of pkg-config pc files. This is the customer's implementation. The attached URL provides examples that use the same implementation. Note all their examples use the "import" statement at top, this is what is looking for pc files: https://doc.qt.io/qt-5/qtmultimedia-multimedia-video-qmlvideo-example.html On Wed, Jul 21, 2021 at 3:41 AM Thomas Petazzoni < thomas.petazzoni@bootlin.com> wrote: > Hello, > > On Wed, 21 Jul 2021 02:23:55 -0400 > Patricia Holden wrote: > > > Yes, QQmlApplucation I am porting for a client it is using pc at > > runtime. Would it help to see what they are doing? > > Ah, it is your customer-specific application that is using the .pc > files, not QT itself ? > > If it's your customer-specific application, then it would be useful to > check why they are doing this, as it feels odd. > > Best regards, > > Thomas > -- > Thomas Petazzoni, co-owner and CEO, Bootlin > Embedded Linux and Kernel engineering > https://bootlin.com > -- Patricia A. Holden