On Tue, Sep 28, 2021 at 2:48 AM Toon Moene <t...@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: t...@moene.org - phone: +31 346 214290 > Saturnushof 14, 3738 XG Maartensdijk, The Netherlands
