New package: petaca (#28326)

* Add the petaca fortran/c package

* Adopt date for version name and remove variants

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

@@ -0,0 +1,49 @@
+# 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 Petaca(CMakePackage):
+    """A collection of modern Fortran modules.
+
+    Modules include:
+    - Parameter lists
+    - map_any_type
+    - fortran_dynamic_loader
+    - timer_tree_type
+    - yajl_fort
+    - json
+    """
+
+    homepage = "https://petaca.readthedocs.io/en/master"
+    git      = "https://github.com/nncarlson/petaca.git"
+
+    maintainers = ['pbrady']
+
+    version('develop', branch="master")
+    version('develop-2021-03-31', commit='f17df95193ca1a3879687a59a91a123be25e3efa', preferred=True)
+
+    depends_on('cmake@3.3:', type='build')
+    depends_on('yajl@2.0.1:')
+
+    # override RelWithDebugInfo since those flags aren't set in petaca
+    variant('build_type', default="Release",
+            description='Type build type to build',
+            values=('Debug', 'Release'))
+
+    # copied from openmpi/package.py to ensure fortran support
+    @run_before('cmake')
+    def die_without_fortran(self):
+        if (self.compiler.f77 is None) or (self.compiler.fc is None):
+            raise InstallError(
+                'petaca requires both C and Fortran compilers!'
+            )
+
+    def cmake_args(self):
+        return [
+            self.define('ENABLE_TESTS', self.run_tests)
+        ]