GNU bug report logs - #69314
[PATCH] Speed up stage0 bootstrap build using prebuilts

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Jonas Hahnfeld <hahnjo <at> hahnjo.de>
To: guile-devel <at> gnu.org, bug-guile <at> gnu.org
Cc: Ludovic Courtès <ludo <at> gnu.org>
Subject: Re: [PATCH] Speed up stage0 bootstrap build using prebuilts
Date: Thu, 22 Feb 2024 21:09:00 +0100

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Dear Guile maintainers,

please consider below patch to speed up the build from release tarballs
that include prebuilt bytecode.

Jonas

On Thu, 2024-01-04 at 11:57 +0100, Jonas Hahnfeld wrote:
> From 95f15821c535537c7ad4fdae1988855314d56ece Mon Sep 17 00:00:00 2001
> From: Jonas Hahnfeld <hahnjo <at> hahnjo.de>
> Date: Thu, 4 Jan 2024 11:44:55 +0100
> Subject: [PATCH] Speed up stage0 bootstrap build using prebuilts
> 
> Use prebuilt bytecode of ice-9/eval.go and others for all of stage0,
> it is optimized and evaluation is much faster. In my environment,
> this speeds up the build of guile-3.0.9 from around 29 minutes to
> only 19 minutes.
> 
> * meta/build-env.in: In stage0, prefer prebuilt bytecode over just
> compiled stage0 files.
> ---
>  meta/build-env.in | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/meta/build-env.in b/meta/build-env.in
> index bdc88ded4..446a536af 100644
> --- a/meta/build-env.in
> +++ b/meta/build-env.in
> @@ -58,7 +58,7 @@ then
>      fi
>      export GUILE_LOAD_PATH
>      case "$GUILE_BOOTSTRAP_STAGE" in
> -        stage0) GUILE_LOAD_COMPILED_PATH="${top_builddir}/stage0:${top_srcdir}/prebuilt/@SCM_PREBUILT_BINARIES@" ;;
> +        stage0) GUILE_LOAD_COMPILED_PATH="${top_srcdir}/prebuilt/@SCM_PREBUILT_BINARIES@:${top_builddir}/stage0" ;;
>          stage1) GUILE_LOAD_COMPILED_PATH="${top_builddir}/stage1:${top_builddir}/stage0" ;;
>          stage2) GUILE_LOAD_COMPILED_PATH="${top_builddir}/stage1" ;;
>          *) GUILE_LOAD_COMPILED_PATH="${top_builddir}/stage2:${top_builddir}/guile-readline" ;;

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