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from spack import *
class Netcdf(Package):
"""NetCDF is a set of software libraries and self-describing, machine-independent
data formats that support the creation, access, and sharing of array-oriented
scientific data."""
homepage = "http://www.unidata.ucar.edu/software/netcdf"
url = "ftp://ftp.unidata.ucar.edu/pub/netcdf/netcdf-4.3.3.tar.gz"
version('4.4.0', 'cffda0cbd97fdb3a06e9274f7aef438e')
version('4.3.3', '5fbd0e108a54bd82cb5702a73f56d2ae')
variant('mpi', default=True, description='Enables MPI parallelism')
variant('hdf4', default=False, description="Enable HDF4 support")
# Dependencies:
depends_on("curl") # required for DAP support
depends_on("hdf", when='+hdf4')
depends_on("hdf5+mpi~cxx", when='+mpi') # required for NetCDF-4 support
depends_on("hdf5~mpi", when='~mpi') # required for NetCDF-4 support
depends_on("zlib") # required for NetCDF-4 support
def install(self, spec, prefix):
# Environment variables
CPPFLAGS = []
LDFLAGS = []
LIBS = []
config_args = [
"--prefix=%s" % prefix,
"--enable-fsync",
"--enable-v2",
"--enable-utilities",
"--enable-shared",
"--enable-static",
"--enable-largefile",
# necessary for HDF5 support
"--enable-netcdf-4",
"--enable-dynamic-loading",
# necessary for DAP support
"--enable-dap"
]
# Make sure Netcdf links against Spack's curl
# Otherwise it may pick up system's curl, which could lead to link errors:
# /usr/lib/x86_64-linux-gnu/libcurl.so: undefined reference to `SSL_CTX_use_certificate_chain_file@OPENSSL_1.0.0'
LIBS.append("-lcurl")
CPPFLAGS.append("-I%s" % spec['curl'].prefix.include)
LDFLAGS.append ("-L%s" % spec['curl'].prefix.lib)
if '+mpi' in spec:
config_args.append('--enable-parallel4')
CPPFLAGS.append("-I%s/include" % spec['hdf5'].prefix)
LDFLAGS.append( "-L%s/lib" % spec['hdf5'].prefix)
# HDF4 support
# As of NetCDF 4.1.3, "--with-hdf4=..." is no longer a valid option
# You must use the environment variables CPPFLAGS and LDFLAGS
if '+hdf4' in spec:
config_args.append("--enable-hdf4")
CPPFLAGS.append("-I%s/include" % spec['hdf'].prefix)
LDFLAGS.append( "-L%s/lib" % spec['hdf'].prefix)
LIBS.append( "-l%s" % "jpeg")
if 'szip' in spec:
CPPFLAGS.append("-I%s/include" % spec['szip'].prefix)
LDFLAGS.append( "-L%s/lib" % spec['szip'].prefix)
LIBS.append( "-l%s" % "sz")
# Fortran support
# In version 4.2+, NetCDF-C and NetCDF-Fortran have split.
# Use the netcdf-fortran package to install Fortran support.
config_args.append('CPPFLAGS=%s' % ' '.join(CPPFLAGS))
config_args.append('LDFLAGS=%s' % ' '.join(LDFLAGS))
config_args.append('LIBS=%s' % ' '.join(LIBS))
configure(*config_args)
make()
make("install")
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