removed outdated code : os detection (will be handled by platforms) and openssl modifications

lib/spack/spack/architecture.py

-##############################################################################
-# Copyright (c) 2013, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
-#
-# This file is part of Spack.
-# Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/llnl/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License (as published by
-# the Free Software Foundation) version 2.1 dated February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
-import os
-import re
-import platform
-
-from llnl.util.lang import memoized
-
-import spack
-import spack.error as serr
-
-
-class InvalidSysTypeError(serr.SpackError):
-    def __init__(self, sys_type):
-        super(InvalidSysTypeError, self).__init__(
-            "Invalid sys_type value for Spack: " + sys_type)
-
-
-class NoSysTypeError(serr.SpackError):
-    def __init__(self):
-        super(NoSysTypeError, self).__init__(
-            "Could not determine sys_type for this machine.")
-
-
-def get_sys_type_from_spack_globals():
-    """Return the SYS_TYPE from spack globals, or None if it isn't set."""
-    if not hasattr(spack, "sys_type"):
-        return None
-    elif hasattr(spack.sys_type, "__call__"):
-        return spack.sys_type()
-    else:
-        return spack.sys_type
-
-
-def get_sys_type_from_environment():
-    """Return $SYS_TYPE or None if it's not defined."""
-    return os.environ.get('SYS_TYPE')
-
-
-def get_sys_type_from_platform():
-    """Return the architecture from Python's platform module."""
-    sys_type = platform.system() + '-' + platform.machine()
-    sys_type = re.sub(r'[^\w-]', '_', sys_type)
-    return sys_type.lower()
-
-
-@memoized
-def sys_type():
-    """Returns a SysType for the current machine."""
-    methods = [get_sys_type_from_spack_globals,
-               get_sys_type_from_environment,
-               get_sys_type_from_platform]
-
-    # search for a method that doesn't return None
-    sys_type = None
-    for method in methods:
-        sys_type = method()
-        if sys_type: break
-
-    # Couldn't determine the sys_type for this machine.
-    if sys_type is None:
-        return "unknown_arch"
-
-    if not isinstance(sys_type, basestring):
-        raise InvalidSysTypeError(sys_type)
-
-    return sys_type

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

 from spack import *
 
-import spack.util.architecture as arch
-
 class Openssl(Package):
     """The OpenSSL Project is a collaborative effort to develop a
        robust, commercial-grade, full-featured, and Open Source
@@ -40,16 +38,3 @@ def install(self, spec, prefix):
 
         make()
         make("install")
-
-    @when(arch.os_is_in('darwin'))
-    def install(self, spec, prefix):
-        perl = which('perl')
-        perl("./Configure",
-             "--prefix=%s" % prefix,
-             "--openssldir=%s/etc/openssl" % prefix,
-             "zlib",
-             "no-krb5",
-             "shared",
-             "darwin64-x86_64-cc")
-        filter_file(r'-arch x86_64', '', 'Makefile')
-