Re: errors building gcc-10.2

[Ron Zamir <zamir.ron@gmail.com>]

Problem solved
1. Instead of the latest and greatest versions of the libraries (mpc, gmp,
mpfr, isl) I used the download_prerequisites script in contrib
2. I used a gcc 8 binary

gcc 10.2 built successfully
Thanks

בתאריך יום ג׳, 11 באוג׳ 2020, 02:53, מאת Jim Wilson ‏<jimw@sifive.com>:

> On Sun, Aug 9, 2020 at 6:01 PM Ron Zamir via Gcc-help
> <gcc-help@gcc.gnu.org> wrote:
> > trying to build gcc-10.2
> > I've added the latest sources for the GMP, MPFR, MPC, ISL libraries
> > My system is CentOS 7.8 with gcc version 4.85
>
> gcc-4.8.5 is rather old.  I'd suggest installing a more recent version
> of gcc using the software collections web site.
>
> https://wiki.centos.org/AdditionalResources/Repositories/SCL
> https://www.softwarecollections.org/en/scls/rhscl/devtoolset-8/
>
> Looks like gcc-8 is the most recent one that they have, but using
> gcc-8 to build gcc-10 will likely work much better than using
> gcc-4.8.5 to build gcc-10.  Adding the devtoolset-8 also gets you more
> recent versions of gmp, mpfr, and mpc, which might be recent enough to
> make the gcc-10 build happy.
>
> Jim
>