I applied the patch on a clean checkout of
8a0263f17b9c754f6de7ee0b869249e87bfb7e3f (gnu: tk: Build with Xft
support.). No luck.

On Wed, Aug 19, 2015, at 19:14, Ludovic Courtès wrote:
> Leo Famulari <leo@famulari.name> skribis:
> 
> > On Tue, Aug 18, 2015, at 17:54, Ludovic Courtès wrote:
> >> What is the file system of /home/leo/work/guix (see the output of the
> >> ‘mount’ command)?
> >
> > $ mount
> > [...]
> > /dev/mapper/hostname--vg-home on /home type btrfs (rw,relatime,space_cache)
> > [...]
> 
> OK.
> 
> >> and then run “make check TESTS=tests/nar.scm” from the top-level build
> >> directory, and post both the top-level ‘nar.log’ file and
> >> ‘tests/nar.log’?
> >
> > The logs are attached. I renamed tests/nar.log to tests-nar.log.
> 
> Hmm the output of ‘find’ in tests/nar.log suggests that the files are
> indeed identical, so maybe it’s ‘file-tree-equal?’ that’s not working as
> expected.
> 
> Could you try this patch and send tests/nar.log again?
> 
> 
> Thanks in advance,
> Ludo’.
> Email had 1 attachment:
> + Attachment2
>   1k (text/x-patch)