Merge pull request #139 from mathstuf/use-uname-for-arch

architecture: use uname if available

lib/spack/spack/architecture.py

@@ -23,13 +23,12 @@
 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 ##############################################################################
 import os
-import platform as py_platform
+import subprocess
 
 from llnl.util.lang import memoized
 
 import spack
 import spack.error as serr
-from spack.version import Version
 
 
 class InvalidSysTypeError(serr.SpackError):
@@ -59,22 +58,23 @@ def get_sys_type_from_environment():
     return os.environ.get('SYS_TYPE')
 
 
-def get_mac_sys_type():
-    """Return a Mac OS SYS_TYPE or None if this isn't a mac."""
-    mac_ver = py_platform.mac_ver()[0]
-    if not mac_ver:
+def get_sys_type_from_uname():
+    """Return the architecture from uname."""
+    try:
+        arch_proc = subprocess.Popen(['uname', '-i'],
+            stdout=subprocess.PIPE)
+        arch, _ = arch_proc.communicate()
+        return arch.strip()
+    except:
         return None
 
-    return "macosx_%s_%s" % (
-        Version(mac_ver).up_to(2), py_platform.machine())
-
 
 @memoized
 def sys_type():
     """Returns a SysType for the current machine."""
     methods = [get_sys_type_from_spack_globals,
                get_sys_type_from_environment,
-               get_mac_sys_type]
+               get_sys_type_from_uname]
 
     # search for a method that doesn't return None
     sys_type = None