compiling deal.ii 9.4 on wsl error

[jim wo]

Hello,

I want to  develop my own project on wsl with deal.ii 9.4.  after make I got this message:

 

In file included from /home/wu/deal_II/include/deal.II/grid/tria.h:20,
                 from /home/wu/cmakeQuickStart/main.cpp:23:
/home/wu/deal_II/include/deal.II/base/config.h:540:12: fatal error: mpi.h: No such file or directory
  540 | #  include <mpi.h>
      |            ^~~~~~~
compilation terminated.

thanks for  your help

 Qiong

[Daniel Arndt]

Qiong,

What CMake settings did you use to configure deal.II?

Does your system indeed provide an MPI installation?

Bets,

Daniel

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[jim wo]

I did install MPI on wsl 

and I congfigure deal.ii with DEAL_II_WITH_PETSC = ON
    DEAL_II_WITH_P4EST = ON

[jim wo]

I created a new cmake project on wsl with vscode ,I write the INCLUDE_DIRETORIES with header file of dealii in the CMakeLists and then cmake project ,I am not sure if its going to work . But when I make it comes error as follow

 best 

Qiong

[jim wo]

and at the same time, I write the codes and it comes "the deal.II/grid/tria.h not found" I dont konw why

best

Qiong

[Daniel Arndt]

Qiong,

It's not sufficient to include deal.II's include files but you need to link the library target. Have a look at https://www.dealii.org/current/users/cmake_user.html.

Best,

Daniel

To view this discussion on the web visit https://groups.google.com/d/msgid/dealii/9bbc2b6b-a3de-49d5-aab2-7f9ee31fc168n%40googlegroups.com.

[jim wo]

Daniel

thank you very much，you are so kind，God bless you.

best 

qiong

Daniel Arndt <d.arnd...@gmail.com> 于 2022年9月8日周四 21:41写道：

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