From: Eric Gallager <egall@gwmail.gwu.edu>
To: Toon Moene <toon@moene.org>
Cc: Erick Ochoa <eochoa@gcc.gnu.org>,
Gary Oblock <gary@amperecomputing.com>,
"gcc@gcc.gnu.org" <gcc@gcc.gnu.org>
Subject: Re: Can gcc itself be tested with ubsan? If so, how?
Date: Tue, 28 Sep 2021 06:53:40 -0400 [thread overview]
Message-ID: <CAMfHzOtehjakbFaYLtgO7q47ypmmb3J6+R7Kv7Jc3T28wt-mZg@mail.gmail.com> (raw)
In-Reply-To: <87a836f4-aeab-b0b0-39df-95c61becd723@moene.org>
On Tue, Sep 28, 2021 at 2:48 AM Toon Moene <toon@moene.org> wrote:
>
> On 9/28/21 8:35 AM, Erick Ochoa via Gcc wrote:
>
> >> Can ubsan be used on the compiler itself?
>
> I regularly build the compiler(s) natively with ubsan enabled, see for
> instance:
>
> https://gcc.gnu.org/pipermail/gcc-testresults/2021-September/719448.html
>
> The configure line tells you how to do it (towards the end of the mail):
>
> configure flags: --prefix=/home/toon/compilers/install/gcc --with-gnu-as
> --with-gnu-ld --enable-languages=all,ada --disable-multilib
> --disable-nls --with-build-config=bootstrap-ubsan --enable-checking=all
>
To elaborate on that, to see what the --with-build-config=bootstrap-ubsan
configure flag does, you can check the file config/bootstrap-ubsan.mk
> (the enable-checking part is not relevant, and can be omitted).
>
> Kind regards,
>
> --
> Toon Moene - e-mail: toon@moene.org - phone: +31 346 214290
> Saturnushof 14, 3738 XG Maartensdijk, The Netherlands
next prev parent reply other threads:[~2021-09-28 10:53 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-27 23:00 Gary Oblock
2021-09-28 6:35 ` Erick Ochoa
2021-09-28 6:47 ` Toon Moene
2021-09-28 10:53 ` Eric Gallager [this message]
2021-09-29 18:55 ` Gary Oblock
2021-10-01 20:11 ` Gary Oblock
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