Clean up your package builds with garbage collection occasionally, otherwise you might see old builds and weird build issues. (add-before 'configure 'set-env-vars (lambda _ (setenv "BOLT_CEF_DLLWRAPPER" (string-append (assoc-ref %build-inputs "chromium-embedded-framework") "/lib/libcef_dll_wrapper.a")) ;;(putenv "CATS=NOTDOGS") (display (environ)) (display "Test") #t)) ;; (replace 'configure (lambda _ (display (environ)) #t)) ) Back-up info https://guix.gnu.org/manual/en/html_node/Replicating-Guix.html port Conky over Discord needs --no-sandbox --no-gpu --in-process-gpu ./EXECUTABLE https://peter.sh/experiments/chromium-command-line-switches/ Probably unstable and we should address it https://guix.gnu.org/manual/en/html_node/package-Reference.html#package-Reference