Raghav Gururajan via Guix-patches via schreef op ma 26-04-2021 om 04:11 [-0400]:
> * gnu/packages/gtk.scm (gtkmm)[native-inputs]: Add glib:bin.

Maybe make this "Add glib:lib for glib-compile-resources" for clarity.
> [propagated-inputs]: Change; atkmm to atkmm-2.28, pangomm to pangomm-2.42,
> and cairomm to cairomm-1.13.
See comment below.

> ---
>  gnu/packages/gtk.scm | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
> 
> diff --git a/gnu/packages/gtk.scm b/gnu/packages/gtk.scm
> index a7e387a47d..86490115d6 100644
> --- a/gnu/packages/gtk.scm
> +++ b/gnu/packages/gtk.scm
> @@ -1633,6 +1633,7 @@ library.")
>      (native-inputs
>       `(("dot" ,graphviz)
>         ("doxygen" ,doxygen)
> +       ("glib:bin" ,glib "bin") ; For glib-compile-resources
LGTM

>         ("m4" ,m4)
>         ("mm-common" ,mm-common)
>         ("perl" ,perl)
> @@ -1640,11 +1641,11 @@ library.")
>         ("xsltproc" ,libxslt)
>         ("xorg-server" ,xorg-server-for-tests)))
>      (propagated-inputs
> -     `(("atkmm" ,atkmm)
> -       ("cairomm" ,cairomm)
> +     `(("atkmm" ,atkmm-2.28)
> +       ("cairomm" ,cairomm-1.13)
>         ("glibmm" ,glibmm)
>         ("gtk+" ,gtk+)
> -       ("pangomm" ,pangomm)))
> +       ("pangomm" ,pangomm-2.42)))

What makes the old propageted-inputs incorrect, and the new ones correct?
Has there been an ABI change or something, or does GTKmm now require new
APIs?  Could you add a little comment why the old inputs were incorrect
in the commit message?

Greetings,
Maxime.