New package: ROMS (#25990)

Co-authored-by: Mohan Babu <mohbabul@amd.com>

var/spack/repos/builtin/packages/roms/package.py

@@ -0,0 +1,141 @@
+# Copyright 2013-2021 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+import os
+import sys
+
+from spack import *
+
+
+class Roms(MakefilePackage):
+    """ROMS is a free-surface, terrain-following,
+    primitive equations ocean model widely used by
+    the scientific community for a diverse range of applications"""
+
+    homepage = "https://www.myroms.org/"
+    url      = "file://{0}/roms_3.8_source.tar.gz".format(os.getcwd())
+    manual_download = True
+
+    # TODO: ROMS v3.8 (svn version 986) require credentials to download and use
+    # Spack recipe expects ROMS source code in .tar.gz format
+    # checksum may differ from what is provided here.
+    # user can skip checksum verification by placing "--no-checksum"
+    # next to "spack install"
+    version('3.8', sha256='5da7a61b69bd3e1f84f33f894a9f418971f3ba61cf9f5ef0a806a722161e2c9a')
+
+    variant("openmp", default=False, description="Turn on shared-memory parallelization in ROMS")
+    variant("mpi", default=True, description="Turn on distributed-memory parallelization in ROMS")
+    variant(
+        'roms_application', default='benchmark',
+        description='Makefile to include its associated header file',
+        values=('upwelling', 'benchmark'), multi=False
+    )
+    variant("debug", default=False, description="Turn on symbolic debug information with no optimization")
+
+    depends_on("mpi", when="+mpi")
+    depends_on("netcdf-fortran")
+    depends_on("netcdf-c")
+    depends_on("hdf5+fortran")
+    depends_on("zlib")
+    depends_on("curl")
+    depends_on("amdlibm", when="%aocc")
+
+    # Note: you cannot set USE_OpenMP and USE_MPI at the same time
+    conflicts("+mpi+openmp")
+
+    def _copy_arch_file(self, lib):
+        """AOCC compiler takes gfortran's makefile as reference"""
+        copy(
+            join_path('Compilers', 'Linux-gfortran.mk'),
+            join_path('Compilers', '{0}-{1}.mk'.format(self.arch, lib))
+        )
+
+    @property
+    def selected_roms_application(self):
+        """
+        Application type that have been selected in this build
+        """
+        return self.spec.variants['roms_application'].value
+
+    @property
+    def arch(self):
+        """return target platform"""
+        plat = sys.platform
+        if plat.startswith("linux"):
+            plat = "Linux"
+        return plat
+
+    def _edit_arch(self, spec, prefix, lib):
+        """
+        Edit Linux-flang.mk makefile to support AOCC compiler
+        """
+        fflags = ['-fveclib=AMDLIBM', '-O3', '-ffast-math']
+        make_aocc = join_path('Compilers',
+                              '{0}-{1}.mk'.format(self.arch, lib))
+
+        filter_file(r'\sFC := gfortran*$', 'FC := {0}'.format(lib), make_aocc)
+        filter_file(r'\sFFLAGS\s:=.*$',
+                    'FFLAGS := {0}'.format(' '.join(fflags)),
+                    make_aocc)
+        filter_file(r'\sLIBS\s:= [$]',
+                    'LIBS := {0} $'.format(spec['amdlibm'].libs.ld_flags),
+                    make_aocc)
+        filter_file(r'\sFREEFLAGS\s:=.*',
+                    'FREEFLAGS := -ffree-form',
+                    make_aocc)
+
+    def edit(self, spec, prefix):
+
+        # ROMS doesn't have support for AOCC out of the box
+        # Support extended to AOCC from below steps
+        if '%aocc' in self.spec:
+            lib_info = os.path.basename(spack_fc)
+            self._copy_arch_file(lib_info)
+            self._edit_arch(spec, prefix, lib_info)
+
+        makefile = FileFilter('makefile')
+
+        app_type = self.selected_roms_application
+
+        makefile.filter(r'ROMS_APPLICATION.*?=.*',
+                        'ROMS_APPLICATION = {0}'.format(app_type.upper()))
+        makefile.filter(r'\sFORT\s[?]=.*',
+                        'FORT = {0}'.format(os.path.basename(spack_fc)))
+        makefile.filter(r'\sUSE_NETCDF4\s[?]=.*', 'USE_NETCDF4 = on')
+
+        # Build MPI variant of ROMS
+        if "+mpi" in self.spec:
+            makefile.filter(r'\sUSE_MPI\s[?]=.*', 'USE_MPI = on')
+            makefile.filter(r'\sUSE_MPIF90\s[?]=.*', 'USE_MPIF90 = on')
+            makefile.filter(r'\sUSE_OpenMP\s[?]=.*', 'USE_OpenMP =')
+
+        # Build OpenMP variant of ROMS
+        if "+openmp" in self.spec:
+            makefile.filter(r'\sUSE_OpenMP\s[?]=.*', 'USE_OpenMP = on')
+            makefile.filter(r'\sUSE_MPI\s[?]=.*', 'USE_MPI =')
+            makefile.filter(r'\sUSE_MPIF90\s[?]=.*', 'USE_MPIF90 =')
+
+        # Build Debug variant of ROMS
+        if "+debug" in self.spec:
+            makefile.filter(r'\sUSE_DEBUG\s[?]=.*', 'USE_DEBUG = on')
+
+    def setup_build_environment(self, spack_env):
+
+        spec = self.spec
+
+        netcdf_include = spec['netcdf-fortran'].prefix.include
+        nf_config = join_path(spec['netcdf-fortran'].prefix.bin, 'nf-config')
+
+        spack_env.set('NF_CONFIG', nf_config)
+        spack_env.set('NETCDF_INCDIR', netcdf_include)
+        spack_env.set('HDF5_INCDIR', spec['hdf5'].prefix.include)
+        spack_env.set('HDF5_LIBDIR', spec['hdf5'].prefix.libs)
+
+    def build(self, spec, prefix):
+        make(parallel=False)
+
+    def install(self, spec, prefix):
+        mkdirp(prefix.bin)
+        install('roms*', prefix.bin)