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c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1765793992; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=McJVbcIibUfbvwqtADPsXo/oSnNJARAFx9UrfUCuSvg=; b=eXNMQyQxBT40lzv3LsNwSAvOHmpqNDgWN8809gLztx1kdMl7O0OQr9W+h9MTPPbRP5AFhD YtV84WZ2hyF60AtYQ756YrjN9B+lxhQg4E5p3AnGulQ34sgRwUM9RwU0N+xmv9fRmqAQpb IavUkW3ruPFjcM33BT8wMKWxZswc4hU= X-MC-Unique: wFSSUCMuOLWVtK32JOh6NQ-1 X-Mimecast-MFC-AGG-ID: wFSSUCMuOLWVtK32JOh6NQ_1765793986 From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Peter Maydell , Paolo Bonzini , Richard Henderson , =?UTF-8?q?Alex=20Benn=C3=A9e?= , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Subject: [PATCH v2 1/4] i386: Fix const qualifier build errors with recent glibc Date: Mon, 15 Dec 2025 11:19:34 +0100 Message-ID: <20251215101937.281722-2-clg@redhat.com> In-Reply-To: <20251215101937.281722-1-clg@redhat.com> References: <20251215101937.281722-1-clg@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=clg@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1765794047750158500 A recent change in glibc 2.42.9000 [1] changes the return type of strstr() and other string functions to be 'const char *' when the input is a 'const char *'. This breaks the build in : ../hw/i386/x86-common.c:827:11: error: assignment discards =E2=80=98const= =E2=80=99 qualifier from pointer target type [-Werror=3Ddiscarded-qualifier= s] 827 | vmode =3D strstr(kernel_cmdline, "vga=3D"); | ^ Fix this by changing the type of the variables that store the result of these functions to 'const char *'. [1] https://sourceware.org/git/?p=3Dglibc.git;a=3Dcommit;h=3Dcd748a63ab1a7a= e846175c532a3daab341c62690 Reviewed-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Peter Maydell Link: https://lore.kernel.org/qemu-devel/20251210181306.926334-2-clg@redhat= .com Signed-off-by: C=C3=A9dric Le Goater --- hw/i386/x86-common.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/i386/x86-common.c b/hw/i386/x86-common.c index c844749900a30c9c9c284c529e93c84c9457b128..f77e2e63046ff56d079363e411a= 9ee0eca365291 100644 --- a/hw/i386/x86-common.c +++ b/hw/i386/x86-common.c @@ -654,7 +654,7 @@ void x86_load_linux(X86MachineState *x86ms, uint8_t header[8192], *setup, *kernel; hwaddr real_addr, prot_addr, cmdline_addr, initrd_addr =3D 0; FILE *f; - char *vmode; + const char *vmode; MachineState *machine =3D MACHINE(x86ms); struct setup_data *setup_data; const char *kernel_filename =3D machine->kernel_filename; --=20 2.52.0