Split and improve test criteria in LU computation (?GETF2)

fix division-by-zero guard in zgetf2

Fix build failures with NO_LAPACK

Improve Intel Raptor Lake detection

remove unqualified ifndef's for NO_LAPACK(E)

mergeback from release branch

Replace the conditionally defined index INDIBL with a constant (Reference-LAPACK PR807)

Improve the performance of sbgemm_tcopy on neoversen2

Add multithreading threshold for SYMM and rework the one for SYRK

* Add ARMV5

Add ARMv6 support to cmake/prebuild.cmake

Fix detection of Cray CCE after recent detection changes for gfortran on Cray

based on cpuid_arm.c and param.h

CCE15 no longer produces a .ident line, so  look for HPE name in a note section as well

Update Reference-LAPACK README to 3.11.0

Do not use multithreading for small SYMV/SYR2K workloads

Do not change the global OMP_NUM_THREADS

Re-enable overriding the LAPACK SYMV,SYR,SPMV and SPR implementations

Avoid unused variable warning in non-OpenMP builds

Improve inline documentation of ?GEJSV (Reference-LAPACK PR 750)

Rewrite ?LAQR5 and S/DHGEQZ , add tests for TRECV3 (Reference-LAPACK PR 682)

Wrap variables in cmake/prebuild in quotes to handle spaces in paths