nvpl-scalapack: new package (#49234)

* nvpl-scalapack

* rm variant

* nvpl-scalapack

* Apply suggestions from code review

Co-authored-by: Alberto Invernizzi <9337627+albestro@users.noreply.github.com>

* mpi

---------

Co-authored-by: Alberto Invernizzi <9337627+albestro@users.noreply.github.com>

var/spack/repos/builtin/packages/nvpl-scalapack/package.py

@@ -0,0 +1,69 @@
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack.package import *
+
+
+class NvplScalapack(Package):
+    """NVPL ScaLAPACK (NVIDIA Performance Libraries ScaLAPACK)."""
+
+    homepage = "https://docs.nvidia.com/nvpl/latest/scalapack/index.html"
+    url = (
+        "https://developer.download.nvidia.com/compute/nvpl/redist/nvpl_scalapack/"
+        "linux-sbsa/nvpl_scalapack-linux-sbsa-0.2.1-archive.tar.xz"
+    )
+
+    maintainers("RMeli")
+
+    version("0.2.1", sha256="dada4d1ecf044d90609b9e62750b383d11be9b22c87e109414bcc07dce3c83c9")
+
+    provides("scalapack")
+
+    variant("ilp64", default=False, description="Force 64-bit Fortran native integers")
+
+    depends_on("nvpl-blas +ilp64", when="+ilp64")
+    depends_on("nvpl-blas ~ilp64", when="~ilp64")
+    depends_on("nvpl-lapack +ilp64", when="+ilp64")
+    depends_on("nvpl-lapack ~ilp64", when="~ilp64")
+    depends_on("mpi")
+
+    requires("target=armv8.2a:", msg="Any CPU with Arm-v8.2a+ microarch")
+
+    conflicts("%gcc@:7")
+    conflicts("%clang@:13")
+
+    def url_for_version(self, version):
+        """Spack can't detect the version in the URL above"""
+        url = "https://developer.download.nvidia.com/compute/nvpl/redist/nvpl_scalapack/linux-sbsa/nvpl_scalapack-linux-sbsa-{0}-archive.tar.xz"
+        return url.format(version)
+
+    @property
+    def scalapack_headers(self):
+        return find_all_headers(self.spec.prefix.include)
+
+    @property
+    def scalapack_libs(self):
+        spec = self.spec
+
+        int_type = "ilp64" if spec.satisfies("+ilp64") else "lp64"
+
+        if any(
+            spec.satisfies(f"^[virtuals=mpi] {mpi_library}")
+            for mpi_library in ["mpich", "cray-mpich", "mvapich", "mvapich2"]
+        ):
+            mpi_type = "mpich"
+        elif spec.satisfies("^[virtuals=mpi] openmpi"):
+            mpi_type = "openmpi" + spec["openmpi"].version.up_to(1)
+        else:
+            raise InstallError(
+                f"Unsupported MPI library {spec['mpi']}.\n"
+                "Add support to the Spack package, if needed."
+            )
+
+        name = [f"libnvpl_blacs_{int_type}_{mpi_type}", f"libnvpl_scalapack_{int_type}"]
+
+        return find_libraries(name, spec.prefix.lib, shared=True, recursive=True)
+
+    def install(self, spec, prefix):
+        install_tree(".", prefix)