[Pw_forum] about USPP installation...

Stefano Baroni baroni at sissa.it
Tue Aug 3 07:42:49 CEST 2010

Dont't quite understand why you cannot install g77.

In any case, have you tried a google search? Googling "idate fortran" I got this as the sixth hit"

If anything else fails, Comment out the calls to the idate and itime routines *they are not so essential, I guess)

In any case, please, sign your posts. 


On Aug 3, 2010, at 5:24 AM, Nguyen Doan Sau wrote:

> Hi all,
> I know this subject is quite irrelevant, but I really need advice or help on this following problem.
> I am doing some electronic calculation on one of my new oxide noncentrosymmetric compound, so I need some pseudopotential files for each elements in my compound. I first try using the pseudopotential files I got on Quantum Espresso website but I soon I realized that the element pseupotentials are created somewhat different so I got the "inconsistent DFT read". (http://www.democritos.it/pipermail/pw_forum/2004-September/001392.html)
> That link above lead me to compile the uspp-736 (http://www.physics.rutgers.edu/~dhv/uspp/). Here is the problem. I could not have g77 or f77 with intrinsic idate and itime functions so I got stuck in make the program due to Gfortran compiler don't have that functions. I try to install older version of gcc but I failed. I also tried using date_and_time function of gfortran but it did not work. 
> I therefore would like anyone having this problem before when installing that program to help me fix the problem. 
> Thanks so much
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Stefano Baroni - SISSA  &  DEMOCRITOS National Simulation Center - Trieste
http://stefano.baroni.me [+39] 040 3787 406 (tel) -528 (fax) / stefanobaroni (skype)

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