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# 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)
from spack import *
class Stripack(MakefilePackage):
"""STRIPACK:
Delaunay Triangulation rewritten in Fortran 90 by John Burkardt at
https://people.sc.fsu.edu/~jburkardt/f_src/stripack/stripack.html
The original Fortran 77 package STRIPACK is available from netlib as algorithm number 772 at
http://www.netlib.org/toms/772.gz
Dr. Renka's articles were published in the ACM Transactions on Mathematical Software, Vol. 23, No 3, September 1997
https://dl.acm.org/doi/10.1145/275323.275329
"""
homepage = "https://people.sc.fsu.edu/~jburkardt/f_src/stripack/stripack.html"
version('develop', sha256='26c074bc46fb8549d7a42ec713636798297d7327c8f3ce0ba2d3348a501ffa7c', expand=False, url='https://people.sc.fsu.edu/~jburkardt/f_src/stripack/stripack.f90')
@run_before('build')
def run_mkmake(self):
config = [
'BUILDIR ?= ' + join_path(self.build_directory, 'build'),
'DYLIB=' + dso_suffix,
'F90=' + self.compiler.fc,
'LD=' + self.compiler.fc,
'FFLAGS=' + self.compiler.fc_pic_flag,
'LDFLAGS=' + self.compiler.fc_pic_flag,
'.SUFFIXES: .f .f90 .F90',
'$(BUILDIR)/%.o: %.f90',
'\t$(F90) $(FFLAGS) -c $< -o $@',
'all: $(BUILDIR)/stripack.o',
'\t$(LD) -shared $(LDFLAGS) -o $(BUILDIR)/libstripack.$(DYLIB)'
+ ' $(BUILDIR)/stripack.o $(LIBS)',
]
with open('Makefile', 'w') as fh:
fh.write('\n'.join(config))
mkdirp(join_path(self.build_directory, 'build'))
def setup_run_environment(self, env):
# This is smartly used by VisIt
env.set('VISIT_FFP_STRIPACK_PATH',
join_path(self.spec.prefix.lib, 'libstripack.' + dso_suffix))
def build(self, spec, prefix):
fflags = spec.compiler_flags['fflags']
# Setting the double precision mode
# needed for the original Fortran 77 version
satisfies = spec.satisfies
if satisfies('%gcc') or satisfies('%clang') or satisfies('%flang'):
fflags += ['-fdefault-real-8', '-fdefault-double-8']
elif satisfies('%intel') or satisfies('%oneapi') or satisfies('%aocc'):
fflags += ['-r8']
elif satisfies('%xl') or satisfies('%xl_r'):
fflags += ['-qrealsize=8']
elif satisfies('%fj'):
fflags += ['-CcdRR8']
elif satisfies('%pgi') or satisfies('%nvhpc'):
fflags += ['-r8']
fflags += [self.compiler.fc_pic_flag]
make('all', 'FFLAGS={0}'.format(' '.join(fflags)))
def install(self, spec, prefix):
mkdirp(prefix.lib)
install(join_path(self.build_directory, 'build', 'libstripack.' + dso_suffix),
prefix.lib)
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