Hi Sanket,

Yes, you need to install g++.

For ubuntu, I would encourage you to install a group of essential compilation packages via

```

sudo apt install build-essential

```

It contains the necessary compilers and a few more important tools.

Best,
Marc


On 5/21/21 5:10 PM, SANKET KULKARNI wrote:
Hello,
I am attaching the screenshot. Do i need to install g++

On Fri, May 21, 2021 at 7:00 PM Marc Fehling <mafehl...@gmail.com <mailto:mafehl...@gmail.com>> wrote:

    Hi Sanket,

    what do you get if you type in `g++` in your console?

    Marc


    On 5/21/21 4:58 PM, SANKET KULKARNI wrote:
    Thank for your email, I tried installing and building it again
    but I guess the issue still exists.

    On Fri, May 21, 2021 at 4:45 PM Marc Fehling <mafehl...@gmail.com
    <mailto:mafehl...@gmail.com>> wrote:

        Hello,

        from your error message it appears to me that you have an
        `openmpi` wrapper installed on your system which doesn't know
        anything about the `gcc` compilers. Are you sure you have
        them installed?

        Marc

        On Friday, May 21, 2021 at 12:15:56 PM UTC-6
        sanketku...@gmail.com <mailto:sanketku...@gmail.com> wrote:

            Hello,
            I am trying to build environment for dealii install but i
            am not able to build it.

            I am facing error while downloading. p4est file.
            Attaching the error with this file.
            Also,can you send me updated manual of downloading Dealii.




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