New package: flibcpp (Fortran bindings to C++ standard library) (#12926)

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

@@ -0,0 +1,44 @@
+# Copyright 2013-2019 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 Flibcpp(CMakePackage):
+    """Fortran bindings to the C++ Standard Library.
+    """
+
+    homepage = "https://flibcpp.readthedocs.io/en/latest"
+    git = "https://github.com/swig-fortran/flibcpp.git"
+    url = "https://github.com/swig-fortran/flibcpp/archive/v0.3.0.tar.gz"
+
+    version('master', branch='master')
+    version('0.3.1', sha256='871570124122c18018478275d5040b4b787d1966e50ee95b634b0b5e0cd27e91')
+
+    variant('doc', default=False, description='Build and install documentation')
+    variant('shared', default=True, description='Build shared libraries')
+    variant('swig', default=False,
+            description='Regenerate source files using SWIG')
+    variant('fstd', default='03', values=('none', '03', '08', '15', '18'),
+            multi=False, description='Build with this Fortran standard')
+
+    depends_on('swig@fortran', type='build', when="+swig")
+    depends_on('py-sphinx', type='build', when="+doc")
+
+    def cmake_args(self):
+        spec = self.spec
+
+        def hasopt(key):
+            return "ON" if ("+" + key) in spec else "OFF"
+
+        testopt = "ON" if self.run_tests else "OFF"
+        opts = [('BUILD_SHARED_LIBS', hasopt('shared')),
+                ('BUILD_TESTING', testopt),
+                ('FLIBCPP_BUILD_DOCS', hasopt('doc')),
+                ('FLIBCPP_BUILD_EXAMPLES', testopt)]
+        fstd = spec.variants['fstd'].value
+        opts.append(('FLIBCPP_FORTRAN_STD', fstd))
+
+        return ['-D{0}={1}'.format(k, v) for (k, v) in opts]