On Thu, 2024-02-22 at 22:14 +0100, Jonas Hahnfeld via Developers list
for Guile, the GNU extensibility library wrote:
> Dear Guile maintainers,
> 
> please find attached two patches for changes that we have been carrying
> downstream in LilyPond so far: one fix to make a sed invocation fully
> portable, and a fix for cross-compilation in out-of-tree-builds.

ping...