Hello Seamus, seamus phenetols writes: > Setting GUILE_AUTO_COMPILE in ~/.profile and in ~/.bash_profile > doesn't seem to have any effect. I'm giving up on guile for now. > Thank you very much for helping. I'm sorry it hasn't worked for you! Let's see if we can find out why. What exactly did you put in your ~/.profile or ~/.bash_profile? What version of Guile are you using? When launching a new pseudo terminal (i.e. xterm, gnome-terminal, etc.) and typing 'echo $GUILE_AUTO_COMPILE', does it return the expected value defined in your ~/.profile or ~/.bash_profile? Note that you would need to logout then login of your session for new variable definition to take effect; otherwise you can test it in your current shell by sourcing it: --8<---------------cut here---------------start------------->8--- source ~/.bash_profile # or source ~/.profile --8<---------------cut here---------------start------------->8--- I've put the following Scheme code in a file named 'test-auto-compile.scm' (attached for your convenience): --8<---------------cut here---------------start------------->8--- #!/usr/bin/env guile !# (define (main) "Print whether auto-compilation is enabled or not and exit with an exit status of 1 if it is enabled, 0 otherwise." (let ((guile-auto-compile-value (getenv "GUILE_AUTO_COMPILE"))) (display (format #f "The value of GUILE_AUTO_COMPILE is ~s\n" guile-auto-compile-value)) (when (and guile-auto-compile-value (string=? guile-auto-compile-value "0")) (display "Auto-compilation is disabled.\n") (exit 0)) (display "Auto-compilation is enabled.\n") (exit 1))) (main) --8<---------------cut here---------------start------------->8--- Here's a small demonstration of what the above script gives on my system (guile --version is 2.2.4, but this should work for any Guile version >= 2.0): --8<---------------cut here---------------start------------->8--- echo $GUILE_AUTO_COMPILE maxim@apteryx ~/Documents$ guile test-auto-compile.scm ;;; note: auto-compilation is enabled, set GUILE_AUTO_COMPILE=0 ;;; or pass the --no-auto-compile argument to disable. ;;; compiling /home/maxim/Documents/test-auto-compile.scm ;;; compiled /home/maxim/.cache/guile/ccache/2.2-LE-8-3.A/home/maxim/Documents/test-auto-compile.scm.go The value of GUILE_AUTO_COMPILE is #f Auto-compilation is enabled. maxim@apteryx ~/Documents$ maxim@apteryx ~/Documents$ rm /home/maxim/.cache/guile/ccache/2.2-LE-8-3.A/home/maxim/Documents/test-auto-compile.scm.go maxim@apteryx ~/Documents$ export GUILE_AUTO_COMPILE=0 maxim@apteryx ~/Documents$ guile test-auto-compile.scm The value of GUILE_AUTO_COMPILE is "0" Auto-compilation is disabled. --8<---------------cut here---------------end--------------->8--- I hope this helps, Maxim