LoongArch64: Add ABI detection for loongarch64

Drop extraneous escaping in the basename call

POWER10: Fix compiler warnings

This patch removes the warning messages related to unused variables in
sbgemm_kernel_power10.c.

Signed-off-by: Manjul Mohan <manjul@linux.vnet.ibm.com>

Gitignore: Ignore LAPACK's la_constants.mod

Add support for NVIDIA HPC (nvc,pgf95) in CMAKE builds

If lp64d ABI is supported, it is used; otherwise,
it falls back to the lp64 ABI.

Treat f95 as gfortran in CMAKE builds

Improve input argument checks of gemmt

* Add Apple m1/iphoneos (cross)build

Remove unused variable SMIN from ?BDSQR (Reference-LAPACK PR 832)

Fix potential segfault in LAPACKE S/DGEESX (Reference-LAPACK PR 836)

* Fix return value for invalid info
* Add missing checks for ldA, ldB
* Use reference-LAPACK like checks (ie ld=0,nrows=0 is invalid)

CI: run apt-get update before fetching cross-compilers in gh workflow

Add quick return from SLARUV/DLARUV for N < 1 (Reference-LAPACK PR 837)

Update brief function descriptions in ?GEGS/?GEGV (Reference-LAPACK PR 831)

* Add comment related to zero-sized matrix B

Fix scaling in LAPACK STGSNA/DTGSNA (Reference-LAPACK PR 830)

Fix segfault on running lapacke_?geqrt with row major data (Reference-LAPACK PR 768)

Add LAPACKE interfaces for [CZ]UNHR_COL and [SD]ORHR_COL (Reference-LAPACK PR 827)