[Wien] error in dstart in Wine2k_16- "undefined symbol"

[Gavin Abo]

I believe the __libm_sse2_sincos symbol is defined in the files called 
libimf.a or libimf.so.  If the Intel Fortran compiler is installed in 
the default location, then both of those files are usually in the 
/opt/intel/lib/intel64 directory on a 64 bit system. Do those two files 
exist on your system?

The compilervars.sh script usually has to be executed so that the Linux 
environment can find those files.  Did you have a source line for 
compilervars.sh in your .bashrc?  If not, refer the Intel documentation 
at the following two links:

https://software.intel.com/en-us/intel-system-studio-cplusplus-compiler-18.0-user-and-reference-guide-using-compilervars-file
https://software.intel.com/en-us/articles/setting-up-the-build-environment-for-using-intel-c-or-fortran-compilers

Also, you can check the mailing list archive [ 
https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/maillist.html 
] for examples like:

source 
replace_this_with_the_path_to_your_ifort_installation/compilervars.sh 
intel64

source /opt/intel/bin/compilervars.sh intel64 [ 
https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/msg16702.html ]

source 
/opt/ud/intel_xe_2016/parallel_studio_xe_2016.3.067/compilers_and_libraries_2016/linux/bin/compilervars.sh 
intel64 [ 
https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/msg16590.html ]

Though, on a cluster, you may want to first talk with your administrator 
before doing that, because it may be that they have some other procedure 
to set the environment for a WIEN2k calculation like a module load [ 
https://wiki.cse.ucdavis.edu/support/hpc/software/wien2k ].

On 6/6/2018 9:07 AM, venkatesh chandragiri wrote:
> Dear wien2k users,
>
> I have successfully complied Wine2k_16 and start to run init_lapw for 
> the MnSb compound. Up to kgen it was successfully done. But for dstart 
> it shows error as given below.
>
> ===================================================
>  next is dstart
> >   dstart -c -p        (22:46:57) running dstart in single mode
> dstart: symbol lookup error: dstart: *undefined symbol: 
> __libm_sse2_sincos*
> 0.015u 0.009s 0:00.06 16.6%     0+0k 0+0io 0pf+0w
> error: command   /share/home/venky/soft/wien2k/dstartpara -c 
> dstart.def   failed
>  n stop error n
> [venky at mgt02 MnSb]$ x dstart
> /share/home/venky/soft/wien2k/dstart: *symbol lookup error: 
> */share/home/venky/soft/wien2k/dstart: *undefined symbol: 
> __libm_sse2_sincos*
> 0.002u 0.002s 0:00.00 0.0%      0+0k 0+0io 0pf+0w
> error: command   /share/home/venky/soft/wien2k/dstart dstart.def   failed
>
> ========================
>
> This problem was not seen the wien2k_13 which was installed in the 
> other server previously. kindly guide me to rectify this error.
>
> thanks
>
> venkatesh
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