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helo=smtpout-04.galae.net; envelope-from=thomas.petazzoni@bootlin.com; receiver= Received: from smtpout-04.galae.net (smtpout-04.galae.net [185.171.202.116]) by smtp1.osuosl.org (Postfix) with ESMTPS id D5CFD80AC4 for ; Tue, 13 Oct 2026 17:54:02 +0000 (UTC) Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-04.galae.net (Postfix) with ESMTPS id 06B2FC653F7 for ; Tue, 13 Oct 2026 17:54:56 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 67FB660362 for ; Tue, 13 Oct 2026 17:54:00 +0000 (UTC) Received: by mail.galae.net (Postcow, from userid 0) id CF24511D717F3; Tue, 13 Oct 2026 19:50:18 +0200 (CEST) Date: Tue, 13 Oct 2026 10:31:33 +0200 To: Romain Naour Message-ID: References: <20260607213030.1509913-1-romain.naour@smile.fr> <20260607213030.1509913-2-romain.naour@smile.fr> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20260607213030.1509913-2-romain.naour@smile.fr> X-TUID: 6nRsRFtI+Onq X-Last-TLS-Session-Version: None X-Rspamd-Queue-Id: CF24511D717F3 X-Spamd-Result: default: False [-4.57 / 30.00]; BAYES_HAM(-4.97)[98.74%]; MID_RHS_NOT_FQDN(0.50)[]; MIME_GOOD(-0.10)[text/plain]; BCC(0.00)[]; RCVD_COUNT_ZERO(0.00)[0]; FROM_HAS_DN(0.00)[]; MISSING_XM_UA(0.00)[]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; DKIM_SIGNED(0.00)[bootlin.com:s=dkim]; NEURAL_HAM(-0.00)[-1.000]; MAILCOW_DOMAIN_HEADER_FROM(0.00)[bootlin.com]; FROM_EQ_ENVFROM(0.00)[]; TO_DN_SOME(0.00)[]; FREEMAIL_CC(0.00)[buildroot.org,korsgaard.com,rnout.be,free.fr]; URIBL_BLOCKED(0.00)[localhost:rdns,localhost:helo,bootlin.com:url,sourceware.org:url,smile.fr:email]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCPT_COUNT_FIVE(0.00)[5] Subject: Re: [Buildroot] [PATCH 2/2] package/glibc: riscv w/ ISA RVV needs gcc >= 15 X-BeenThere: buildroot@buildroot.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Discussion and development of buildroot List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Thomas Petazzoni via buildroot Reply-To: Thomas Petazzoni Cc: arnout@rnout.be, Julien Olivain , buildroot@buildroot.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: buildroot-bounces@buildroot.org Sender: "buildroot" Hello, Adding some maintainers in Cc. On Sun, Jun 07, 2026 at 11:30:30PM +0200, Romain Naour via buildroot wrote: > The sipeed_licheepi_4a defconfig doesn't build since the glibc version > bump to 2.43 [1]. Glibc increased the minimal gcc version for riscv > w/ ISA RVV in commit [2]. > > Add a new glibc dependency on gcc 15 when ISA RVV is enabled. > > [1] 227378b5930b681c79a13476ae60a98753a98a03 > [2] https://sourceware.org/git/?p=glibc.git;a=commit;h=47975914fb106b83c42bc0baf6435a0944a23d30 > > Signed-off-by: Romain Naour > --- > package/glibc/Config.in | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/package/glibc/Config.in b/package/glibc/Config.in > index 2bf44bb70b..8e5b08ab7f 100644 > --- a/package/glibc/Config.in > +++ b/package/glibc/Config.in > @@ -27,6 +27,9 @@ config BR2_PACKAGE_GLIBC_ARCH_SUPPORTS > # glibc needs atomic instructions, and does not support > # single-precision floating point ABIs (ilp32f and lp64f) > depends on (BR2_RISCV_ISA_RVA && !BR2_RISCV_ABI_ILP32F && !BR2_RISCV_ABI_LP64F) || !BR2_riscv > + # glibc >= 2.43 needs at gcc >= 15 when Vector > + # Instructions (V) are enabled. > + depends on (BR2_RISCV_ISA_RVV && BR2_TOOLCHAIN_GCC_AT_LEAST_15) || !BR2_riscv This will hide glibc if gcc 15.x is not used. I was wondering if it would make more sense to turn things around and hide gcc 14.x instead if glibc is used on RISC-V RVV-enabled platforms? Peter, Arnout, Julien, thoughts? Thomas -- 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