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##############################################################################
# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
# Produced at the Lawrence Livermore National Laboratory.
#
# This file is part of Spack.
# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
# LLNL-CODE-647188
#
# For details, see https://github.com/spack/spack
# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License (as
# published by the Free Software Foundation) version 2.1, February 1999.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
# conditions of the GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
##############################################################################
from spack import *
class Fftw(AutotoolsPackage):
"""FFTW is a C subroutine library for computing the discrete Fourier
transform (DFT) in one or more dimensions, of arbitrary input
size, and of both real and complex data (as well as of even/odd
data, i.e. the discrete cosine/sine transforms or DCT/DST). We
believe that FFTW, which is free software, should become the FFT
library of choice for most applications."""
homepage = "http://www.fftw.org"
url = "http://www.fftw.org/fftw-3.3.4.tar.gz"
list_url = "http://www.fftw.org/download.html"
version('3.3.6-pl2', '927e481edbb32575397eb3d62535a856')
version('3.3.5', '6cc08a3b9c7ee06fdd5b9eb02e06f569')
version('3.3.4', '2edab8c06b24feeb3b82bbb3ebf3e7b3')
version('2.1.5', '8d16a84f3ca02a785ef9eb36249ba433')
patch('pfft-3.3.5.patch', when="@3.3.5:+pfft_patches", level=0)
patch('pfft-3.3.4.patch', when="@3.3.4+pfft_patches", level=0)
patch('pgi-3.3.6-pl2.patch', when="@3.3.6-pl2%pgi", level=0)
variant(
'float', default=True,
description='Produces a single precision version of the library')
variant(
'double', default=True,
description='Produces a double precision version of the library')
variant(
'long_double', default=True,
description='Produces a long double precision version of the library')
variant(
'quad', default=False,
description='Produces a quad precision version of the library '
'(works only with GCC and libquadmath)')
variant('openmp', default=False, description="Enable OpenMP support.")
variant('mpi', default=True, description='Activate MPI support')
variant(
'pfft_patches', default=False,
description='Add extra transpose functions for PFFT compatibility')
depends_on('mpi', when='+mpi')
depends_on('automake', type='build', when='+pfft_patches')
depends_on('autoconf', type='build', when='+pfft_patches')
depends_on('libtool', type='build', when='+pfft_patches')
@property
def libs(self):
result = find_libraries(['libfftw3'], root=self.prefix, recurse=True)
return result
def autoreconf(self, spec, prefix):
if '+pfft_patches' in spec:
autoreconf = which('autoreconf')
autoreconf('-ifv')
def configure(self, spec, prefix):
# Base options
options = [
'--prefix={0}'.format(prefix),
'--enable-shared',
'--enable-threads'
]
if not self.compiler.f77 or not self.compiler.fc:
options.append("--disable-fortran")
if spec.satisfies('@:2'):
options.append('--enable-type-prefix')
# Variants that affect every precision
if '+openmp' in spec:
# Note: Apple's Clang does not support OpenMP.
if spec.satisfies('%clang'):
ver = str(self.compiler.version)
if ver.endswith('-apple'):
raise InstallError("Apple's clang does not support OpenMP")
options.append('--enable-openmp')
if spec.satisfies('@:2'):
# TODO: libtool strips CFLAGS, so 2.x libxfftw_threads
# isn't linked to the openmp library. Patch Makefile?
options.insert(0, 'CFLAGS=' + self.compiler.openmp_flag)
if '+mpi' in spec:
options.append('--enable-mpi')
# SIMD support
# TODO: add support for more architectures
float_options = []
double_options = []
if 'x86_64' in spec.architecture and spec.satisfies('@3:'):
float_options.append('--enable-sse2')
double_options.append('--enable-sse2')
configure = Executable('../configure')
# Build double/float/long double/quad variants
if '+double' in spec:
with working_dir('double', create=True):
configure(*(options + double_options))
if '+float' in spec:
with working_dir('float', create=True):
configure('--enable-float', *(options + float_options))
if spec.satisfies('@3:+long_double'):
with working_dir('long-double', create=True):
configure('--enable-long-double', *options)
if spec.satisfies('@3:+quad'):
with working_dir('quad', create=True):
configure('--enable-quad-precision', *options)
def build(self, spec, prefix):
if '+double' in spec:
with working_dir('double'):
make()
if '+float' in spec:
with working_dir('float'):
make()
if '+long_double' in spec:
with working_dir('long-double'):
make()
if '+quad' in spec:
with working_dir('quad'):
make()
def check(self):
spec = self.spec
if '+double' in spec:
with working_dir('double'):
make("check")
if '+float' in spec:
with working_dir('float'):
make("check")
if '+long_double' in spec:
with working_dir('long-double'):
make("check")
if '+quad' in spec:
with working_dir('quad'):
make("check")
def install(self, spec, prefix):
if '+double' in spec:
with working_dir('double'):
make("install")
if '+float' in spec:
with working_dir('float'):
make("install")
if '+long_double' in spec:
with working_dir('long-double'):
make("install")
if '+quad' in spec:
with working_dir('quad'):
make("install")
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