From: Thomas Petazzoni via buildroot <buildroot@buildroot.org>
To: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Cc: buildroot@buildroot.org
Subject: Re: [Buildroot] [PATCH 1/1] package/drogon: needs a toolchain with wchar support
Date: Tue, 27 Oct 2026 17:13:51 +0100 [thread overview]
Message-ID: <auDNuzu2BoIkIVmA@windsurf> (raw)
In-Reply-To: <20261027160326.1690238-1-dario.binacchi@amarulasolutions.com>
On Tue, Oct 27, 2026 at 05:03:26PM +0100, Dario Binacchi wrote:
> The trantor library bundled in drogon uses std::codecvt_utf8<wchar_t>
> to convert strings between UTF-8 and std::wstring. Toolchains without
> wide character support, such as uClibc without WCHAR, have a libstdc++
> that lacks it, so any executable linked against trantor fails to link,
> starting with the drogon examples.
>
> ld: ../trantor/libtrantor.so.1.5.29: undefined reference to `std::codecvt_utf8<wchar_t, 1114111ul, (std::codecvt_mode)0>::codecvt_utf8(unsigned int)'
>
> These conversions are part of the public API of trantor and drogon, so
> they cannot be disabled. Add a dependency on BR2_USE_WCHAR, together
> with the matching comment.
>
> This issue has been present since the package was added, so it also
> affects the 2026.08.x branch.
>
> Fixes:
> https://autobuild.buildroot.org/results/6b893fea68e25fd928daabff5cf034de76062ac1
>
> Fixes: d38b4915e9437c5492836914c0a0fff12b4f1031 ("package/drogon: new package")
> Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Applied to master, thanks!
Best regards,
Thomas Petazzoni
--
Thomas Petazzoni, co-owner and CEO, Bootlin
Embedded Linux and Kernel engineering and training
https://bootlin.com
_______________________________________________
buildroot mailing list
buildroot@buildroot.org
https://lists.buildroot.org/mailman/listinfo/buildroot
prev parent reply other threads:[~2026-10-27 16:14 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-27 16:03 [Buildroot] [PATCH 1/1] package/drogon: needs a toolchain with wchar support Dario Binacchi
2026-10-27 16:13 ` Thomas Petazzoni via buildroot [this message]
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
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=auDNuzu2BoIkIVmA@windsurf \
--to=buildroot@buildroot.org \
--cc=dario.binacchi@amarulasolutions.com \
--cc=thomas.petazzoni@bootlin.com \
/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.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.