Re: [Buildroot] [PATCH next] toolchain/toolchain-buildroot: default to glibc as the C library

From: "Yann E. MORIN" <yann.morin.1998@free.fr>
To: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Cc: Buildroot List <buildroot@buildroot.org>,
	Giulio Benetti <giulio.benetti@benettiengineering.com>,
	Romain Naour <romain.naour@gmail.com>,
	Thomas De Schampheleire <thomas.de_schampheleire@nokia.com>
Subject: Re: [Buildroot] [PATCH next] toolchain/toolchain-buildroot: default to glibc as the C library
Date: Wed, 17 Aug 2022 20:46:21 +0200	[thread overview]
Message-ID: <20220817184621.GR2854108@scaer> (raw)
In-Reply-To: <20220815202955.2216503-1-thomas.petazzoni@bootlin.com>

Thomas, All,

On 2022-08-15 22:29 +0200, Thomas Petazzoni spake thusly:
> This is perhaps the most controversial change for Buildroot that can
> be written in a two-liner.
> 
> Historically, we have used uClibc as our default C library, as
> Buildroot was created initially as a test-bed for uClibc, and also
> because uClibc made a lot of sense for embedded Linux systems, due to
> its smaller size and fine-grained configurability.
> 
> Since then, the landscape of embedded Linux systems has changed. Even
> though Buildroot happily supports really low-end devices, the vast
> majority of Buildroot users are quite certainly running the resulting
> system on a reasonably powerful platform, with significant amount of
> RAM and storage. In this context, the benefits of uClibc are no longer
> that much relevant, and glibc causes less "troubles". Therefore, this
> patch proposes to use glibc as our default C library when using the
> internal toolchain backend instead of uClibc.
> 
> Of course, we will keep the support for uClibc, which remains an
> important C library choice, for space-constrained systems, or simply
> for architectures that are not supported by glibc.
> 
> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

Applied to next, thanks.

Regards,
Yann E. MORIN.

> ---
>  toolchain/toolchain-buildroot/Config.in | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/toolchain/toolchain-buildroot/Config.in b/toolchain/toolchain-buildroot/Config.in
> index 836af3b22a..9956dc4383 100644
> --- a/toolchain/toolchain-buildroot/Config.in
> +++ b/toolchain/toolchain-buildroot/Config.in
> @@ -22,8 +22,7 @@ config BR2_TOOLCHAIN_BUILDROOT_VENDOR
>  
>  choice
>  	prompt "C library"
> -	default BR2_TOOLCHAIN_BUILDROOT_UCLIBC
> -	default BR2_TOOLCHAIN_BUILDROOT_GLIBC if BR2_powerpc64
> +	default BR2_TOOLCHAIN_BUILDROOT_GLIBC
>  
>  config BR2_TOOLCHAIN_BUILDROOT_UCLIBC
>  	bool "uClibc-ng"
> -- 
> 2.37.2
> 

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