GCC 8 and BLAS/LAPACK

[Anton Kudelin]

Hi all,

I run Arch Linux, and recently it changed the major version of the system 
compiler. So I tried to compile CP2K with GCC 8.1.0 after the environment 
being rebuilt and found something strange. The problem may lay far beyond 
CP2K, but the program is a reliable indicator of the quality of compilers 
and libraries, by the way it has very experienced community.

In short, BLAS/LAPACK routines don't working when compiled with GCC 8.1.0. 
I tried NetLib BLAS/LAPACK, ATLAS, and OpenBLAS and obtained the same 
results: SCF cannot get converged. On the other hand, Intel MKL does things 
as earlier.

Could anybody check my results? If I get them proved, it could mean a 
terrible issue with GCC 8.1.0 or even with BLAS/LAPACK that has to be 
reported.

Anton
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