[Wien] difference between Wien2k tar file and wien2k executable file

[Gavin Abo]

Not really.  If the executables are used, the path of the compilers, 
which are usually set by you in .bashrc, for Linux environment should 
not be needed.  Therefore, they are not detected.  Regarding the 
libraries, it depends on whether the executables were built by the 
compiler statically or dynamically.  I don't remember, but I believe the 
package with the executables was built statically.  If the executables 
were built statically, the libraries do not have to be detected as they 
are built directly into the executables [ 
https://en.wikipedia.org/wiki/Static_build ].  If the executables were 
built dynamically, the Linux environment usually detects the Linux 
libraries automatically as long as the packages for the libraries are 
installed, but the path for the Fortran libraries usually has to be set 
manually (in .bashrc).  If the libraries are not installed or it cannot 
find the libraries in the PATH, you can get errors like "error while 
loading shared libraries" [ 
http://www.mail-archive.com/wien%40zeus.theochem.tuwien.ac.at/msg11434.html 
].

Of note, the Intel link advisor [ 
https://software.intel.com/en-us/articles/intel-mkl-link-line-advisor ] 
can generate a set of compiler settings for a static or dynamic build by 
selecting the corresponding item in the drop-down list for "Select 
dynamic or static linking".

On 12/27/2015 12:19 AM, Dr. K. C. Bhamu wrote:
> Thank you Dr. Gavin.
> It means if we dont no the path of compiles and libraries it detects 
> automatic. Am I right?
>
> Sincerely
> Bhamu
>
> On Sat, Dec 26, 2015 at 9:36 PM, Gavin Abo <gsabo at crimson.ua.edu 
> <mailto:gsabo at crimson.ua.edu>> wrote:
>
>     The first one, the tar package, contains the source code, but it
>     has no executable files.  The source code can be compiled to
>     create executable files (32 bit or 64 bit).
>
>     The second one, the executable package, contains the executable
>     files (only 64 bit), but it has no source code.  The executable
>     files can be used by some users that are not able to compile
>     WIEN2k (for reasons such as they don't have the compilers or don't
>     know how to use a compiler).
>
>     On 12/25/2015 10:24 AM, Dr. K. C. Bhamu wrote:
>
>         Dear Prb Blaha
>
>         What is the difference between Wien2k tar file and wien2k
>         executable file?
>
>         Sincerely
>
>         Bhamu
>
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