[Interest] building external resources from qmake

Hamish Moffatt hamish at risingsoftware.com
Fri Jun 14 10:09:14 CEST 2013

I've got a bunch of resources required by my app. We've got some of them 
statically linked into our application using the QMAKE RESOURCES 
variable, which is great because all the individual resource files 
become dependencies in the output project file etc.

Now I would like to build more of the sources into external resource 
files (.RCC), so that I can load whatever is appropriate to the user 
environment and not waste resources.

How can we get those built along with the main app? Ideally with 
dependency handling too.

I expect this is partly possible using QMAKE_EXTRA_TARGETS to declare 
extra rules to build the RCC files, but I need this to work for make, 
Visual Studio and Xcode and I've had trouble declaring additional 
targets for some of those platforms. I don't think it will handle 
dependencies very smartly either.



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