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Re: Quiet compilation for scripting

From: Tomas Volf
Subject: Re: Quiet compilation for scripting
Date: Fri, 15 Mar 2024 18:27:27 +0100


On 2024-03-15 12:15:33 -0500, wrote:
> I am in the process of rewriting in Guile a script that I use regularly. 
> Running Guile 3.0.9, when I execute a file containing
>   #!/usr/local/bin/guile -s
>   !#
>   (display "Hello, mailing list!")
>   (newline)
> the following is printed to standard error:
>   ;;; note: source file /Users/me/./test.scm
>   ;;;       newer than compiled 
> /Users/me/.cache/guile/ccache/3.0-LE-8-4.6/Users/me/test.scm.go
>   ;;; note: auto-compilation is enabled, set GUILE_AUTO_COMPILE=0
>   ;;;       or pass the --no-auto-compile argument to disable.
>   ;;; compiling /Users/me/./test.scm
>   ;;; compiled /Users/me/.cache/guile/ccache/3.0-LE-8-4.6/Users/me/test.scm.go
> While not showstopping, it would be preferable if there were a way to 
> suppress the message.

You technically can disable the message by disabling the auto-compilation, which
can be done using environment variable, or the flag, directly from the script
file itself.  However disabling it might not be always desired.

> This has been mentioned here and in other venues previously [1][2][3], but 
> the last mention was over 10 years ago and perusal of the Guile manual 
> suggests nothing toward this end has been implemented yet. Would adding a 
> --quiet switch cause breakage?

I think adding a switch to suppress the message should be fine, I think
something like --auto-compilation-quiet or something would work.  I would
actually want that as well, but never got to writing the patch.

Have a nice day,
Tomas Volf

There are only two hard things in Computer Science:
cache invalidation, naming things and off-by-one errors.

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