The above command produces The following package will be installed: gtkmm 3.24.5
guix package: error: profile contains conflicting entries for libsigc++ guix package: error: first entry: libsigc++@3.0.6 /gnu/store/ng4k2yl94d758p5vnashd4nvyb1aw8s1-libsigc++-3.0.6 guix package: error: ... propagated from cairomm@1.14.2 guix package: error: ... propagated from gtkmm@3.24.5 guix package: error: second entry: libsigc++@2.9.3 /gnu/store/iad8jg1fm7jsq0pqj547f3n5s2jn9rp0-libsigc++-2.9.3 guix package: error: ... propagated from glibmm@2.64.5 guix package: error: ... propagated from pangomm@2.46.0 guix package: error: ... propagated from gtkmm@3.24.5 hint: You cannot have two different versions or variants of `gtkmm' in the same profile.
