Add fortranxml package from COSIMA/spack_packages (#93)

* Required by ACCESS-OM3
* Add url_for_version and removed url specification
* Update maintainer info

packages/fortranxml/package.py

@@ -0,0 +1,46 @@
+# Copyright 2013-2022 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.package import *
+
+
+class Fortranxml(AutotoolsPackage):
+    """Fortran XML (FoX) s a library, written entirely in Fortran, designed to allow
+    the easy use of XML from Fortran programs. FoX caters for both XML output
+    and input.
+    """
+
+    homepage = "https://github.com/andreww/fox"
+    git = "https://github.com/andreww/fox.git"
+
+    maintainers = ["harshula"]
+
+    version("4.1.2", sha256="dea0adc9cc035238fa9cdba42f2bf56481e3a64ac8aa0aece9119f127f71d4e7")
+
+    flag_handler = AutotoolsPackage.build_system_flags
+
+    def url_for_version(self, version):
+        return "https://github.com/andreww/fox/tarball/{0}".format(version)
+
+    def install(self, spec, prefix):
+        super(AutotoolsPackage, self).install(spec, prefix)
+
+        pkgconfig_dir = join_path(prefix.lib, "pkgconfig")
+        pkgconfig_file = join_path(pkgconfig_dir, "fox.pc")
+        mkdir(pkgconfig_dir)
+
+        with open(pkgconfig_file, "w", encoding="utf-8") as pc:
+            pc.write(f"""\
+prefix={prefix}
+exec_prefix=${{prefix}}
+libdir=${{exec_prefix}}/lib
+includedir=${{prefix}}/finclude
+
+Name: Fortran XML (FoX)
+Description: A Fortran XML library
+Version: {spec.version}
+Libs: -L${{libdir}} -lFoX_dom -lFoX_sax -lFoX_wcml -lFoX_wkml -lFoX_wxml -lFoX_common -lFoX_utils -lFoX_fsys
+Cflags: -I${{includedir}}
+""")