Installing deal.ii on Ubuntu

[牛子骅]

Here is my problem after typing 'make install' on Ubuntu platform. How could I deal with it? Many thanks!!!

[Bruno Turcksin]

Hi,

The error message says: virtual memory exhausted: Cannot allocate memory. You need more memory to compile deal.II. If you are working in a virtual machine, you need to allow it to use more memory. If this is all the memory that you have, you need to find a computer with more memory.

Best,

Bruno

[牛子骅]

Hi, 

Thank you so much, I used Virtrual machine on windows to run Ubuntu, I have already attributed 1GB to the internal memory of the subsystem, Isn't it enough? Or does it indicate the virtual memory? 

Best regards

Niu

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[Bruno Turcksin]

Niu,

Le mer. 15 août 2018 à 11:58, 牛子骅 <aang...@gmail.com> a écrit :

Thank you so much, I used Virtrual machine on windows to run Ubuntu, I have already attributed 1GB to the internal memory of the subsystem, Isn't it enough? Or does it indicate the virtual memory? 

1GB is not enough. I think that you will need 3GB. We try to make it so that we don't require more than 2GB to compile deal.II but I don't think that 2GB is enough for the last few versions.

Best,

Bruno

[牛子骅]

Dear Bruno,

Thank you so much for your advice. I have successfully configure and build the library with your help. Do I need to configure and build the documentation as indicated in 2.3 here? https://dealii.org/9.0.0/readme.html

Many thanks for your help any time when you are free. 

Best regards, 

Zihua

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[Wolfgang Bangerth]

On 08/16/2018 10:24 AM, 牛子骅 wrote:
>
> Thank you so much for your advice. I have successfully configure and build the
> library with your help. Do I need to configure and build the documentation as
> indicated in 2.3 here? https://dealii.org/9.0.0/readme.html

You can, but you don't have to: you can always use the online documentation.

Best
W.


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Wolfgang Bangerth email: bang...@colostate.edu
www: http://www.math.colostate.edu/~bangerth/

[Wolfgang Bangerth]

On 08/16/2018 09:29 PM, 牛子骅 wrote:
>
> Another question is that when i try to configure 'p4est' with ./configure, it
> is reported that 'Fortran 77 compilers cannot create executables'. Does it
> mean that i need some other compilers to be installed?

I don't actually know why p4est checks for Fortran compilers. But since it
does, you probably need to install some kind of Fortran 77 or Fortan 90
compiler, such as 'gfortran', on your system.