[Pw_forum] compilation problem

Axel Kohlmeyer akohlmey at cmm.chem.upenn.edu
Wed Jan 9 17:04:05 CET 2008

On Wed, 9 Jan 2008, Rudra Banerjee wrote:

RB> when i am trying to install the 3.2.3 version in parallel mode,its shwing error:
espresso-3.2.3/bin/pw.x not existent or not executable

RB> the problem is over if i chmod the source file i.e. PW/pw.x to 
777....but what i am wondering is it was not a problem of the serial 
version....so whats wrong is going?


if the compiler does not set the permissions of a final link
to be executable, than something went wrong while linking.

you'll have to delete the .x file and "make" again and watch
the output of the compilation very carefully. there have to
be some warnings or error messages. look them up in the manual
or on the web and see if you can find out what went wrong.

9 out of 10 times, it is related to an incorrect or corrupted 
installation or setup of the individual machine.

Have a Nice Time
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Axel Kohlmeyer   akohlmey at cmm.chem.upenn.edu   http://www.cmm.upenn.edu
   Center for Molecular Modeling   --   University of Pennsylvania
Department of Chemistry, 231 S.34th Street, Philadelphia, PA 19104-6323
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