Hi Danny!

>> Also, please do not make libsigc++ public twice.  It's already in the
>> module's #:export list.
>>
>> Same for glibmm and maybe others.
> 
> Hmm. Without that, I get "package not found" while doing `./pre-inst-env
> guix build foo`.

It was for `./etc/indent-code.el`, not for `./pre-inst-env guix build`.

Please find the revised patched for libsigc++ and glibmm, attached with
this email.

Regards,
RG.