diff --git a/var/spack/repos/builtin/packages/apfel/package.py b/var/spack/repos/builtin/packages/apfel/package.py new file mode 100644 index 0000000000..400ee71127 --- /dev/null +++ b/var/spack/repos/builtin/packages/apfel/package.py @@ -0,0 +1,35 @@ +# 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 Apfel(AutotoolsPackage): + """APFEL is a library able to perform DGLAP evolution up to NNLO in QCD and + to NLO in QED, both with pole and MSbar masses. The coupled DGLAP + QCD+QED evolution equations are solved in x-space by means of higher + order interpolations and Runge-Kutta techniques.""" + + homepage = "https://github.com/scarrazza/apfel" + url = "https://github.com/scarrazza/apfel/archive/3.0.4.tar.gz" + + version('3.0.4', sha256='c7bfae7fe2dc0185981850f2fe6ae4842749339d064c25bf525b4ef412bbb224') + + depends_on('swig', when='+python') + depends_on('python', when='+python', type=('build', 'run')) + depends_on('lhapdf', when='+lhapdf', type=('build', 'run')) + + variant('python', description='Build python wrapper', default=False) + variant('lhapdf', description='Link to LHAPDF', default=False) + + def configure_args(self): + args = [] + if self.spec.satisfies('~python'): + args.append('--disable-pywrap') + else: + args.append('--enable-pywrap') + + args += self.enable_or_disable('lhapdf') + return args