New packages: looptools + vbfnlo (#17446)

* New package: vbfnlo

* Add new package: vbfnlo

* Add recipe for looptools

* Add patch for looptools

* LoopTools: patch not needed (fixed by developers without changing version)

* Remove patch file as well

* Update package.py

* Update package.py

* Fix vbfnlo recipe for old version

Co-authored-by: iarspider <iarpsider@gmail.com>

var/spack/repos/builtin/packages/looptools/package.py

@@ -0,0 +1,25 @@
+# Copyright 2013-2020 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 Looptools(AutotoolsPackage):
+    """LoopTools is a package for evaluation of scalar and tensor one-loop
+       integrals based on the FF package by G.J. van Oldenborgh. It
+       features an easy Fortran, C++, and Mathematica interface to the
+       scalar one-loop functions of FF and in addition provides
+       the 2-, 3-, and 4-point tensor coefficient functions. """
+
+    homepage = "http://www.feynarts.de/looptools/"
+    url      = "http://www.feynarts.de/looptools/LoopTools-2.15.tar.gz"
+
+    version('2.15', sha256='a065ffdc4fe6882aa3bb926134ba8ec875d6c0a633c3d4aa5f70db26542713f2')
+    version('2.8', sha256='2395518d0eac9b0883a2c249b9a5ba80df443929c520c45e60f5a4284166eb42')
+
+    def configure_args(self):
+        args = ["FFLAGS=" + self.compiler.f77_pic_flag,
+                "CFLAGS=" + self.compiler.cc_pic_flag]
+        return args

var/spack/repos/builtin/packages/vbfnlo/package.py

@@ -0,0 +1,43 @@
+# Copyright 2013-2020 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 Vbfnlo(AutotoolsPackage):
+    """VBFNLO is a fully flexible parton level Monte Carlo program
+       for the simulation of vector boson fusion, double and triple
+       vector boson production in hadronic collisions at
+       next to leading order in the strong coupling constant. """
+
+    homepage = "https://www.itp.kit.edu/vbfnlo/wiki/doku.php?id=overview"
+    url      = "https://github.com/vbfnlo/vbfnlo/archive/v3.0.0beta5.tar.gz"
+
+    # The commented out versions exist, but are not tested
+    version('3.0.0beta5', sha256='777a3dedb365ea9abc38848a60f30d325da3799cbad69fa308664b94a8c31a90')
+    version('3.0.0beta4', sha256='511e84765e9634a75766a160eae1925812dacbb3943e7e3b4dc90e2eacac8a2c')
+    # version('3.0.0beta3', sha256='ab4cc3289051ab09ed94fa41d0eb1c5c4adcd9f39fa04e3c95a3867f256541bc')
+    version('3.0.0beta2', sha256='33dd0781e645a5baa664fc5aa81d43c12586bf095ef25895e86cb4192c22473b')
+    version('3.0.0beta1', sha256='19f0bf7e4c93b0f287d2531d6802c114a78eb46cde28ea820b2a074a5819c7ca')
+    version('2.7.1',      sha256='13e33d73d8a8ef64094621f87e6f94e01712e76cc19a86298d0b52cfcb9decca', preferred=True)
+    # version('2.7.0',      sha256='0e96c0912599e3000fffec5305700b947b604a7b06c7975851503f445311e4ef')
+
+    depends_on('hepmc')
+    depends_on('gsl')
+    depends_on('lhapdf')
+    depends_on('looptools')
+
+    @when('@2.7.1')
+    def setup_build_environment(self, env):
+        env.unset('F77')
+
+    def configure_args(self):
+        args = ["--with-hepmc=" + self.spec['hepmc'].prefix,
+                "--with-gsl=" + self.spec['gsl'].prefix,
+                "--with-LHAPDF=" + self.spec['lhapdf'].prefix,
+                "--with-LOOPTOOLS=" + self.spec['looptools'].prefix,
+                "FCFLAGS=-std=legacy"]
+
+        return args