Erik, following up on your idea about using --with-input, I used the code equivalent of --with-input and wrote the attached manifest that installs GTK with the same glib@2.73.3 as guile-g-golf (and also upgrades g-golf to version 0.8.0-a.4 as recommended by David Pirotte).
guix shell -m guile-g-golf-with-gtk.scm Unfortunately, GTK indirectly depends on python-pygobject@3.10.7 and its test suite fails reproducibly for me with the newer glib. (pygobject-test-suite gets killed by SIGTRAP.) If you wanted to investigate, you could try adding a --without-tests transformation to disable pygobject’s test suite or see what Debian does differently. Or unlikely maybe, pygobject would not fail on faster hardware? I will not investigate further. Regards, Florian
guile-g-golf-with-gtk.scm
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