# Compiltion errors on Centos 7

**URL:** <https://community.freefem.org/t/compiltion-errors-on-centos-7/872>\
**Category:** FreeFEM installation\
**Created:** [March 26, 2021, 9:53am UTC](https://community.freefem.org/t/compiltion-errors-on-centos-7/872 "2021-03-26T09:53:40Z")\
**Posts on this page:** 4\
**Page:** 2

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**Author:** ![prj](https://avatars.discourse-cdn.com/v4/letter/p/ecae2f/32.png) [@prj](https://community.freefem.org/u/prj)\
**Post date:** [April 15, 2021, 4:11pm UTC](https://community.freefem.org/t/compiltion-errors-on-centos-7/872/21 "2021-04-15T16:11:52Z")

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Since CentOS 7 is not under active development anymore, I don’t think it will come from us. Feel free to contribute, I’ll be happy to help you out if you run into hurdles.

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**Author:** ![fagnelli](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.freefem.org/fagnelli/32/1211_2.png) [@fagnelli](https://community.freefem.org/u/fagnelli)\
**Post date:** [June 22, 2022, 10:41pm UTC](https://community.freefem.org/t/compiltion-errors-on-centos-7/872/22 "2022-06-22T22:41:19Z")

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Hi all,

Like [msinclair](https://community.freefem.org/u/msinclair-hf) I am required to use a CentOS 7 distribution inside a Docker container. I have written my own Dockerfile, adapted from the [one](https://github.com/FreeFem/FreeFem-docker/blob/master/Dockerfile) available with Ubuntu base. Unfortunately, I have an error during the command make petsc-slepc, in particular occuring during inside the mmg folder:

UnicodeDecodeError: ‘ascii’ codec can’t decode byte 0xe2 in position 5: ordinal not in range(128)

Surprisingly, the exact same sequence of commands executed inside the Docker container with a CentOS 7 base succeeds without this error. It seems that there is something strange in my Dockerfile. I would be glad to have your feedback on the origin of the problem. Once this is fixed, I would gladly share my Dockerfile with the community.

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**Author:** ![prj](https://avatars.discourse-cdn.com/v4/letter/p/ecae2f/32.png) [@prj](https://community.freefem.org/u/prj)\
**Post date:** [June 23, 2022, 7:28am UTC](https://community.freefem.org/t/compiltion-errors-on-centos-7/872/23 "2022-06-23T07:28:12Z")

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It’s a problem of accent in Mmg source code… You should be able to bypass the issue by using configuring FreeFEM with the additional flag `--disable--mmg --disable-parmmg`.

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**Author:** ![zetaoma7](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.freefem.org/zetaoma7/32/1407_2.png) [@zetaoma7](https://community.freefem.org/u/zetaoma7)\
**Post date:** [November 5, 2022, 3:02pm UTC](https://community.freefem.org/t/compiltion-errors-on-centos-7/872/24 "2022-11-05T15:02:33Z")

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Excuse me, do you FreeFem .rpm install package and can you share it with me ? Thank you very much!

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