Re: [Libmesh-users] problem with installation

[John P. <jwp...@gm...>]

On Thu, Feb 4, 2021 at 1:11 AM Michael Povolotskyi <mpo...@gm...>
wrote:

> Hello,
>
> I have a problem with libmesh installation:
>
> <<< C++ compiler is unknown but accepted gcc version >>>
> checking for a sed that does not truncate output... /usr/bin/sed
> checking for C++ compiler vendor... gnu
> configure: error: libMesh now requires C++11
>

Hi Michael,

You passed '--disable-cxx11' to configure, which as the error message says,
libmesh no longer allows. It looks like you are using GCC 9.2 which is a
relatively new compiler, so you should be OK if you just remove this flag
from configure.

-- 
John