Merge pull request #3866 from Thyre/20250801183103_new_pr_flexiblas

enhance FlexiBLAS easyblock to support NVPL library

Author: ocaisa

easybuild/easyblocks/f/flexiblas.py

@@ -31,7 +31,7 @@
 
 from easybuild.easyblocks.generic.cmakemake import CMakeMake
 from easybuild.framework.easyconfig import CUSTOM
-from easybuild.tools import toolchain
+from easybuild.tools import toolchain, LooseVersion
 from easybuild.tools.build_log import EasyBuildError
 from easybuild.tools.config import build_option
 from easybuild.tools.environment import setvar
@@ -98,6 +98,8 @@ def configure_step(self):
         }
 
         supported_blas_libs = ['AOCL-BLAS', 'BLIS', 'NETLIB', 'OpenBLAS', 'imkl']
+        if LooseVersion(self.version) >= LooseVersion('3.4.5'):
+            supported_blas_libs += ['NVPL']
 
         # make sure that default backend is a supported library
         flexiblas_default = configopts['FLEXIBLAS_DEFAULT']
@@ -123,7 +125,7 @@ def configure_step(self):
             if blas_lib == 'imkl':
                 # For MKL there is gf_lp64 vs. intel_lp64 and gnu_thread vs. intel_thread (vs. sequential)
                 # For gf_lp64 vs intel_lp64 the difference is in the ABI for [sz]dot[uc], which FlexiBLAS
-                # can transparenly wrap.
+                # can transparently wrap.
                 # gnu_thread vs intel_thread links to libgomp vs. libiomp5 for the OpenMP library.
                 mkl_gnu_libs = "mkl_gf_lp64;mkl_gnu_thread;mkl_core;gomp;pthread;m;dl"
                 mkl_intel_libs = "mkl_intel_lp64;mkl_intel_thread;mkl_core;iomp5;pthread;m;dl"
@@ -138,6 +140,11 @@ def configure_step(self):
                     configopts[key] = mkl_compiler_mapping[comp_family]
                 except KeyError:
                     raise EasyBuildError("Compiler family not supported yet: %s", comp_family)
+            elif blas_lib == "NVPL":
+                # NVPL libraries do not explicitly link any OpenMP runtime,
+                # but try to lazily and dynamically find the OpenMP runtime in the
+                # built program. Supported are libgomp, libomp and libnvomp.
+                configopts[key] = "nvpl_blas_lp64_gomp;nvpl_blas_core"
             elif blas_lib == 'AOCL_mt':
                 configopts[key] = 'blis-mt'
             else: