There are at least three problems with the Guile bindings for mailutils: 1. the Guile source files are not compiled.
2. the Guile source files are installed to $out/share/guile/site/ and are thus not found with “,use (mailutils mailutils)” in a Guile REPL. 3. the Guile session segfaults when loading the module: --8<---------------cut here---------------start------------->8--- rekado in debbugs [env]: guile GNU Guile 2.2.4 Copyright (C) 1995-2017 Free Software Foundation, Inc. Guile comes with ABSOLUTELY NO WARRANTY; for details type `,show w'. This program is free software, and you are welcome to redistribute it under certain conditions; type `,show c' for details. Enter `,help' for help. scheme@(guile-user)> (add-to-load-path "/gnu/store/50lg0i5rqw1g7nf0ar2afgs788mgdjmq-mailutils-3.4/share/guile/site/") scheme@(guile-user)> ,use (mailutils mailutils) ;;; note: auto-compilation is enabled, set GUILE_AUTO_COMPILE=0 ;;; or pass the --no-auto-compile argument to disable. ;;; compiling /gnu/store/50lg0i5rqw1g7nf0ar2afgs788mgdjmq-mailutils-3.4/share/guile/site/mailutils/mailutils.scm ;;; compiled /home/rekado/.cache/guile/ccache/2.2-LE-8-3.A/gnu/store/50lg0i5rqw1g7nf0ar2afgs788mgdjmq-mailutils-3.4/share/guile/site/mailutils/mailutils.scm.go Segmentation fault rekado in debbugs [env]: --8<---------------cut here---------------end--------------->8--- Are the bindings not usable with Guile 2.2? -- Ricardo