Hi,I am packaging vulkan-caps-viewer[1], a GUI utility that allows querying the features offered by Vulkan drivers. Like vulkaninfo, but with a GUI and the ability to submit data to a crowdsourced online database.
[1] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=947407The program can be compiled to use Wayland or X11. It's a build time choice, unfortunately, it can't dynamically switch at runtime depending on what's available. But I'd like to have support for both in the Debian package, because X11 is still pretty common. My plan is to have two different binary packages, likely called vulkan-caps-viewer-wayland and vulkan-caps-viewer-x11.
For context, the program uses Qt for the GUI, so in that sense it's independent of the underlying graphics system. But to query the Vulkan capabilities related to WSI (Window System Integration, i.e. surfaces, swapchains and presentation) it has to be aware of which graphics system is in use.
To do all of that I'd need to configure, compile and install the source code twice when building the package, with different configuration options. Is there a reasonably simple way to do that, possibly with debhelper? Are there other packages doing this I can take as an example?
Thanks, Gio.
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