# HG changeset patch
# User Doug Simon <doug.simon@oracle.com>
# Date 1350728483 -7200
# Node ID ef48be91f5fd061325057ac98726681f1617091c
# Parent  f7e2f6d913a44ac7bd1f0e0f240568883ea8fc1d
fixed detection of architecture on Snow Leopard and earlier versions of MacOSX

diff -r f7e2f6d913a4 -r ef48be91f5fd mx/commands.py
--- a/mx/commands.py	Sat Oct 20 11:53:12 2012 +0200
+++ b/mx/commands.py	Sat Oct 20 12:21:23 2012 +0200
@@ -278,7 +278,15 @@
     machine = platform.uname()[4]
     if machine in ['amd64', 'AMD64', 'x86_64', 'i86pc']:
         return 'amd64'
-    mx.abort('unsupported or unknown machine type: ' + machine)
+    if machine == 'i386' and mx.get_os() == 'darwin':
+        try:
+            # Support for Snow Leopard and earlier version of MacOSX
+            if subprocess.check_output(['sysctl', '-n', 'hw.cpu64bit_capable']).strip() == '1':
+                return 'amd64'
+        except OSError:
+            # sysctl is not available
+            pass
+    mx.abort('unknown or unsupported architecture: os=' + mx.get_os() + ', machine=' + machine)
 
 def _vmLibDirInJdk(jdk):
     """