GNU bug report logs - #46725
[PATCH] gnu: guile-lib: Fix cross compilation.

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Message #8 received at 46725 <at> debbugs.gnu.org (full text, mbox):

From: Leo Prikler <leo.prikler <at> student.tugraz.at>
To: Christopher Baines <mail <at> cbaines.net>, 46725 <at> debbugs.gnu.org
Subject: Re: [bug#46725] [PATCH] gnu: guile-lib: Fix cross compilation.
Date: Wed, 24 Feb 2021 08:58:24 +0100

Hello,

Am Dienstag, den 23.02.2021, 20:07 +0000 schrieb Christopher Baines:
> These changes were sent upstream as
> https://lists.gnu.org/archive/html/guile-devel/2021-02/msg00004.html
> 
> Without this change, the .go files are built for the host
> architecture, rather
> than the target. I noticed this when cross building the
> guix-build-coordinator (for which guile-lib is an input) to the Hurd.
> 
> * gnu/packages/guile-xyz.scm (guile-lib)[arguments]: Add
> 'patch-for-cross-compilation phase.
> [native-inputs]: Add autoconf, automake and gettext.
> ---
>  gnu/packages/guile-xyz.scm | 19 ++++++++++++++++++-
>  1 file changed, 18 insertions(+), 1 deletion(-)
> 
> diff --git a/gnu/packages/guile-xyz.scm b/gnu/packages/guile-xyz.scm
> index ce5aad8ec7..e9dfc6cc8d 100644
> --- a/gnu/packages/guile-xyz.scm
> +++ b/gnu/packages/guile-xyz.scm
> @@ -2194,6 +2194,20 @@ library.")
>         '("GUILE_AUTO_COMPILE=0")        ; to prevent guild errors
>         #:phases
>         (modify-phases %standard-phases
> +         (add-after 'unpack 'patch-for-cross-compilation
> +           (lambda _
> +             (substitute* "configure.ac"
> +               (("GUILE_FLAGS")
> +                "GUILE_FLAGS
> +if test \"$cross_compiling\" != no; then
> +   GUILE_TARGET=\"--target=$host_alias\"
> +   AC_SUBST([GUILE_TARGET])
> +fi
> +"))
> +             (substitute* "am/guile.mk"
> +               (("guild compile") "guild compile $(GUILE_TARGET)"))
> +             (invoke "autoreconf" "-vif")
Invoking autoreconf seems a bit overkill for a "patch-<something>"
phase.  Wouldn't it be regenerated in bootstrap if you (delete-file
"configure")?
> +             #t))
>           (add-before 'configure 'patch-module-dir
>             (lambda _
>               (substitute* "src/Makefile.in"
> @@ -2204,7 +2218,10 @@ library.")
>  $(libdir)/guile/@GUILE_EFFECTIVE_VERSION@/site-ccache\n"))
>               #t)))))
>      (native-inputs
> -     `(("guile" ,guile-3.0)
> +     `(("autoconf" ,autoconf)
> +       ("automake" ,automake)
> +       ("gettext" ,gettext-minimal)
> +       ("guile" ,guile-3.0)
>         ("pkg-config" ,pkg-config)))
>      (inputs
>       `(("guile" ,guile-3.0)))
Otherwise LGTM, but I haven't checked cross-compiling.  From your
message I'll assume you did.

Regards,
Leo

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