From: Pierre Langlois <pierre.langlois@gmx.com>
To: Maxime Devos <maximedevos@telenet.be>
Cc: "Pierre Langlois" <pierre.langlois@gmx.com>,
"Sébastien Lerique" <sl@eauchat.org>,
54595@debbugs.gnu.org
Subject: [bug#54595] [PATCH 2/2] gnu: libfido2: Fix cross-compilation.
Date: Sun, 27 Mar 2022 18:27:48 +0100 [thread overview]
Message-ID: <87y20v47of.fsf@gmx.com> (raw)
In-Reply-To: <1fd85fd1bd5389fbe4f14325e22fac8705b9807b.camel@telenet.be>
[-- Attachment #1: Type: text/plain, Size: 1847 bytes --]
Maxime Devos <maximedevos@telenet.be> writes:
> [[PGP Signed Part:Undecided]]
> Pierre Langlois schreef op zo 27-03-2022 om 15:04 [+0100]:
>> I'm also not entirely sure if it's
>> #+pkg-config or #$pkg-config, both seem to work
>
> #+pkg-config, given that it is a thing that needs to be run during
> compilation. I'm wondering, do you have transparant QEMU emulation
> enabled? If so, both seeming to work is expected since QEMU will
> emulate the cross-compiled cross-compiling (IIUC a canadian cross, in
> GCC terminology) pkg-config. If not, I would expect some kind of error
> ...
Ooooh I do have qemu emulation enabled, that must be it, thanks! I'll
need to be careful about that, seems too easy to make a mistake.
>
> Or, to allow for package transformations:
>
> #+(file-append (this-package-native-input (pkg-config-for-target))
> "/bin/" (pkg-config-for-target))
>
> though maybe package transformations should just transform the G-exp as
> well, dunno. ('file-append' is not strictly required here.) Maybe we can
> have a macro (pkg-config-binary) that expands to that thing, and
> use it in other packages?
Yeah, if we have this pattern often it sounds like a good idea.
However, better yet maybe could be to make the cmake build-system handle
it automagically. I see `PKG_CONFIG_EXECUTABLE' is part of cmake itself
so that might be OK?
https://cmake.org/cmake/help/latest/module/FindPkgConfig.html
>
> Possibly interesting or irrelevant: the following will produce an
> x86_64-linux-gnu-pkg-config that can be run on a aarch64-linux-gnu
> computer to find libraries for x86_64-linux-gnu.
>
> $ guix build -e '(parameterize (((@ (guix utils) %current-target-system) "x86_64-linux-gnu")) (@ (gnu packages pkg-config) pkg-config))' --target=aarch64-linux-gnu
Ha! That's pretty cool :-).
Thanks,
Pierre
[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 519 bytes --]
next prev parent reply other threads:[~2022-03-27 17:39 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-27 12:28 [bug#54595] [PATCH 0/2] Fix cross-compilation for libfido2 Sébastien Lerique
2022-03-27 12:29 ` [bug#54595] [PATCH 1/2] gnu: libfido2: Use new style Sébastien Lerique
2022-03-27 12:29 ` [bug#54595] [PATCH 2/2] gnu: libfido2: Fix cross-compilation Sébastien Lerique
2022-03-27 12:36 ` Maxime Devos
2022-03-27 13:01 ` Sébastien Lerique
2022-03-27 14:04 ` Pierre Langlois
2022-03-27 15:43 ` Maxime Devos
2022-03-27 17:27 ` Pierre Langlois [this message]
2022-03-27 18:00 ` Maxime Devos
2022-03-27 22:12 ` Thiago Jung Bauermann via Guix-patches via
2022-03-27 15:44 ` Maxime Devos
2022-03-27 13:00 ` [bug#54595] [PATCH v2 1/2] gnu: libfido2: Use new style Sébastien Lerique
2022-03-27 13:00 ` [bug#54595] [PATCH v2 2/2] gnu: libfido2: Fix cross-compilation Sébastien Lerique
2022-03-27 14:09 ` Maxime Devos
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://guix.gnu.org/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87y20v47of.fsf@gmx.com \
--to=pierre.langlois@gmx.com \
--cc=54595@debbugs.gnu.org \
--cc=maximedevos@telenet.be \
--cc=sl@eauchat.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this public inbox
https://git.savannah.gnu.org/cgit/guix.git
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).