scons: add comments and whitespace

diff --git a/common.py b/common.py
index e396ad949108c8a95eddb1c21fd4ae0b55258593..dc594a391ec942c045120d067c75d84cdba31843 100644 (file)
--- a/common.py
+++ b/common.py
@@ -29,12 +29,19 @@ _machine_map = {
        'ppc' : 'ppc',
        'x86_64': 'x86_64',
 }
+
+
+# find default_machine value
 if 'PROCESSOR_ARCHITECTURE' in os.environ:
        default_machine = os.environ['PROCESSOR_ARCHITECTURE']
 else:
        default_machine = _platform.machine()
 default_machine = _machine_map.get(default_machine, 'generic')
 
+print "sys.argv = " + sys.argv[2]
+
+
+# find default_llvm value
 if 'LLVM' in os.environ:
     default_llvm = 'yes'
 else:
@@ -54,6 +61,8 @@ else:
     except:
         pass
 
+
+# find default_dri value
 if default_platform in ('linux', 'freebsd'):
        default_dri = 'yes'
 elif default_platform in ('winddk', 'windows', 'wince', 'darwin'):