bug#24862: guile 2.0.13 build error under macOS 10.12 Sierra

[Marius Schamschula]

Hi all,

While building guile under macOS 10.12 I get a build error. This error has 
previously been reported by other MacPorts users:

https://trac.macports.org/ticket/52613

I’m attaching the entire build log

guile-main.log.gz
Description: GNU Zip compressed data

Marius