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# Copyright 2013-2020 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)
from spack import *
class NetcdfFortran(AutotoolsPackage):
"""NetCDF (network Common Data Form) is a set of software libraries and
machine-independent data formats that support the creation, access, and
sharing of array-oriented scientific data. This is the Fortran
distribution."""
homepage = "https://www.unidata.ucar.edu/software/netcdf"
url = "https://www.gfd-dennou.org/arch/netcdf/unidata-mirror/netcdf-fortran-4.5.2.tar.gz"
maintainers = ['skosukhin']
version('4.5.2', sha256='b959937d7d9045184e9d2040a915d94a7f4d0185f4a9dceb8f08c94b0c3304aa')
version('4.4.5', sha256='2467536ce29daea348c736476aa8e684c075d2f6cab12f3361885cb6905717b8')
version('4.4.4', sha256='b2d395175f8d283e68c8be516e231a96b191ade67ad0caafaf7fa01b1e6b5d75')
version('4.4.3', sha256='330373aa163d5931e475b5e83da5c1ad041e855185f24e6a8b85d73b48d6cda9')
variant('mpi', default=True,
description='Enable parallel I/O for netcdf-4')
variant('pic', default=True,
description='Produce position-independent code (for shared libs)')
variant('shared', default=True, description='Enable shared library')
# We need to build with MPI wrappers if parallel I/O features is enabled:
# https://www.unidata.ucar.edu/software/netcdf/docs/building_netcdf_fortran.html
depends_on('mpi', when='+mpi')
depends_on('netcdf-c~mpi', when='~mpi')
depends_on('netcdf-c+mpi', when='+mpi')
# The default libtool.m4 is too old to handle NAG compiler properly:
# https://github.com/Unidata/netcdf-fortran/issues/94
# Moreover, Libtool can't handle '-pthread' flag coming from libcurl,
# doesn't inject convenience libraries into the shared ones, and is unable
# to detect NAG when it is called with an MPI wrapper.
patch('nag_libtool_2.4.2.patch', when='@:4.4.4%nag')
patch('nag_libtool_2.4.6.patch', when='@4.4.5:%nag')
# Enable 'make check' for NAG, which is too strict.
patch('nag_testing.patch', when='@4.4.5%nag')
# File fortran/nf_logging.F90 is compiled without -DLOGGING, which leads
# to missing symbols in the library. Additionally, the patch enables
# building with NAG, which refuses to compile empty source files (see also
# comments in the patch):
patch('logging.patch', when='@:4.4.5')
# Prevent excessive linking to system libraries. Without this patch the
# library might get linked to the system installation of libcurl. See
# https://github.com/Unidata/netcdf-fortran/commit/0a11f580faebbc1c4dce68bf5135709d1c7c7cc1#diff-67e997bcfdac55191033d57a16d1408a
patch('excessive_linking.patch', when='@4.4.5')
# Parallel builds do not work in the fortran directory. This patch is
# derived from https://github.com/Unidata/netcdf-fortran/pull/211
patch('no_parallel_build.patch', when='@4.5.2')
def flag_handler(self, name, flags):
config_flags = None
if name in ['cflags', 'fflags'] and '+pic' in self.spec:
# Unlike NetCDF-C, we add PIC flag only when +pic. Adding the
# flags also when ~shared would make it impossible to build a
# static-only version of the library with NAG.
config_flags = [self.compiler.pic_flag]
elif name == 'cppflags':
config_flags = [self.spec['netcdf-c'].headers.cpp_flags]
elif name == 'ldflags':
# We need to specify LDFLAGS to get correct dependency_libs
# in libnetcdff.la, so packages that use libtool for linking
# could correctly link to all the dependencies even when the
# building takes place outside of Spack environment, i.e.
# without Spack's compiler wrappers.
config_flags = [self.spec['netcdf-c'].libs.search_flags]
return flags, None, config_flags
@property
def libs(self):
libraries = ['libnetcdff']
query_parameters = self.spec.last_query.extra_parameters
if 'shared' in query_parameters:
shared = True
elif 'static' in query_parameters:
shared = False
else:
shared = '+shared' in self.spec
libs = find_libraries(
libraries, root=self.prefix, shared=shared, recursive=True
)
if libs:
return libs
msg = 'Unable to recursively locate {0} {1} libraries in {2}'
raise spack.error.NoLibrariesError(
msg.format('shared' if shared else 'static',
self.spec.name,
self.spec.prefix))
def configure_args(self):
config_args = self.enable_or_disable('shared')
config_args.append('--enable-static')
if '+mpi' in self.spec:
config_args.append('CC=%s' % self.spec['mpi'].mpicc)
config_args.append('FC=%s' % self.spec['mpi'].mpifc)
config_args.append('F77=%s' % self.spec['mpi'].mpif77)
return config_args
@when('@:4.4.5')
def check(self):
with working_dir(self.build_directory):
make('check', parallel=False)
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