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Merge pull request #300 from eschnett/eschnett/multi-fftw

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Build multiple FFTW variants simultaneously
This commit is contained in:
Todd Gamblin 2016-01-05 00:39:50 -08:00
commit 7e362e0c46
1 changed files with 17 additions and 38 deletions
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55
var/spack/packages/fftw/package.py
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@ -39,54 +39,21 @@ class Fftw(Package):
version('3.3.4', '2edab8c06b24feeb3b82bbb3ebf3e7b3') version('3.3.4', '2edab8c06b24feeb3b82bbb3ebf3e7b3')
########## variant('float', default=True, description='Produces a single precision version of the library')
# Floating point precision variant('long_double', default=True, description='Produces a long double precision version of the library')
FLOAT = 'float' variant('quad', default=False, description='Produces a quad precision version of the library (works only with GCC and libquadmath)')
LONG_DOUBLE = 'long_double'
QUAD_PRECISION = 'quad'
PRECISION_OPTIONS = {
FLOAT: '--enable-float',
LONG_DOUBLE: '--enable--long-double',
QUAD_PRECISION: '--enable-quad-precision'
}
variant(FLOAT, default=False, description='Produces a single precision version of the library')
variant(LONG_DOUBLE, default=False, description='Produces a long double precision version of the library')
variant(QUAD_PRECISION, default=False, description='Produces a quad precision version of the library (works only with GCC and libquadmath)')
##########
variant('mpi', default=False, description='Activate MPI support') variant('mpi', default=False, description='Activate MPI support')
depends_on('mpi', when='+mpi') depends_on('mpi', when='+mpi')
@staticmethod
def enabled(x):
"""
Given a variant name returns the string that means the variant is enabled
:param x: variant name
"""
# FIXME : duplicated from MVAPICH2
return '+' + x
def check_fortran_availability(self, options):
if not self.compiler.f77 or not self.compiler.fc:
options.append("--disable-fortran")
def set_floating_point_precision(self, spec, options):
l = [option for variant, option in Fftw.PRECISION_OPTIONS.iteritems() if self.enabled(variant) in spec]
if len(l) > 1:
raise RuntimeError('At most one floating point precision variant may activated per build.')
options.extend(l)
def install(self, spec, prefix): def install(self, spec, prefix):
options = ['--prefix=%s' % prefix, options = ['--prefix=%s' % prefix,
'--enable-shared', '--enable-shared',
'--enable-threads', '--enable-threads',
'--enable-openmp'] '--enable-openmp']
self.check_fortran_availability(options) if not self.compiler.f77 or not self.compiler.fc:
self.set_floating_point_precision(spec, options) options.append("--disable-fortran")
if '+mpi' in spec: if '+mpi' in spec:
options.append('--enable-mpi') options.append('--enable-mpi')
@ -94,3 +61,15 @@ def install(self, spec, prefix):
make() make()
make("install") make("install")
if '+float' in spec:
configure('--enable-float', *options)
make()
make("install")
if '+long_double' in spec:
configure('--enable-long-double', *options)
make()
make("install")
if '+quad' in spec:
configure('--enable-quad-precision', *options)
make()
make("install")