From: Mike Frysinger <vapier@gentoo.org>
To: newlib@sourceware.org
Subject: [PATCH v2] newlib: fix build with <gcc-5 versions
Date: Mon, 14 Mar 2022 23:25:50 -0400 [thread overview]
Message-ID: <20220315032550.16502-1-vapier@gentoo.org> (raw)
In-Reply-To: <20220314032559.24535-1-vapier@gentoo.org>
__builtin_mul_overflow showed up with gcc-5, so stub it out for older
versions.
---
newlib/libc/include/sys/cdefs.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/newlib/libc/include/sys/cdefs.h b/newlib/libc/include/sys/cdefs.h
index da729092185c..e51f7f4b873a 100644
--- a/newlib/libc/include/sys/cdefs.h
+++ b/newlib/libc/include/sys/cdefs.h
@@ -416,6 +416,10 @@
#define __unreachable() ((void)0)
#endif
+#if !__GNUC_PREREQ__(5, 0)
+#define __builtin_mul_overflow(a, b, size) ({ *(size) = (a) * (b); 0; })
+#endif
+
/* XXX: should use `#if __STDC_VERSION__ < 199901'. */
#if !__GNUC_PREREQ__(2, 7) && !defined(__INTEL_COMPILER)
#define __func__ NULL
--
2.34.1
next prev parent reply other threads:[~2022-03-15 3:26 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-14 3:25 [PATCH] " Mike Frysinger
2022-03-14 7:36 ` Sebastian Huber
2022-03-14 16:58 ` Mike Frysinger
2022-03-15 3:25 ` Mike Frysinger [this message]
2022-03-15 12:41 ` [PATCH v2] " Richard Earnshaw
2022-03-15 23:54 ` Mike Frysinger
2022-03-16 7:12 ` R. Diez
2022-03-16 8:30 ` Mike Frysinger
2022-03-16 9:17 ` R. Diez
2022-03-17 2:41 ` Mike Frysinger
2022-03-17 9:49 ` Corinna Vinschen
2022-03-17 11:26 ` Richard Earnshaw
2022-03-18 7:24 ` Corinna Vinschen
2022-03-18 8:30 ` R. Diez
2022-03-18 9:26 ` Corinna Vinschen
2022-03-18 9:45 ` R. Diez
2022-03-20 1:22 ` Mike Frysinger
2022-03-20 1:21 ` Mike Frysinger
2022-03-20 13:57 ` Jordi Sanfeliu
2022-03-20 12:52 ` Eric Bresie
2022-03-20 14:16 ` Mike Frysinger
2022-03-15 23:53 ` [PATCH v3] " Mike Frysinger
[not found] <1647792834.2524.0.ref@smtp.mail.att.net>
2022-03-20 16:13 ` [PATCH v2] " Steven J Abner
[not found] <1647807849.2524.1.ref@smtp.mail.att.net>
2022-03-20 20:24 ` Steven J Abner
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=20220315032550.16502-1-vapier@gentoo.org \
--to=vapier@gentoo.org \
--cc=newlib@sourceware.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.
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).