Sharlatan Hellseher <sharlatanus@gmail.com> skribis:

> ./pre-inst-env guix build sbcl-cffi ;;; note: source file
> /home/hellseher/code/guix/gnu/packages/lisp-xyz.scm ;;; newer than
> compiled /home/hellseher/code/guix/gnu/packages/lisp-xyz.go Too many
> heap sections: Increase MAXHINCR or MAX_HEAP_SECS
> Aborted

With Guix at 5fccdbc079402eee345684bcbd1b1d0306cab1e8 I don't reproduce
this issue.
From the warning and error messages you get, it looks like you changed
something in 'lisp-xyz.scm' and Guix fails to compile it.
Is it the case? If yes, there is probably a bug in the changes you made.