3 files changed, 33 insertions, 8 deletions
diff --git a/src/python/m5/__init__.py b/src/python/m5/__init__.py
index 36f2eba61..96cb2ca13 100644
--- a/src/python/m5/__init__.py
+++ b/src/python/m5/__init__.py
@@ -82,17 +82,17 @@ except ImportError:
     running_m5 = False
 
 if running_m5:
-    from event import *
-    from simulate import *
-    from main import options
-
-if running_m5:
     import defines
     build_env.update(defines.m5_build_env)
 else:
     import __scons
     build_env.update(__scons.m5_build_env)
 
+if running_m5:
+    from event import *
+    from simulate import *
+    from main import options
+
 import SimObject
 import params
 import objects
diff --git a/src/python/m5/main.py b/src/python/m5/main.py
index 1695ed75f..96f017cb0 100644
--- a/src/python/m5/main.py
+++ b/src/python/m5/main.py
@@ -26,9 +26,15 @@
 #
 # Authors: Nathan Binkert
 
-import code, optparse, os, socket, sys
-from datetime import datetime
+import code
+import datetime
+import optparse
+import os
+import socket
+import sys
+
 from attrdict import attrdict
+import defines
 import traceflags
 
 __all__ = [ 'options', 'arguments', 'main' ]
@@ -116,6 +122,8 @@ def bool_option(name, default, help):
 # Help options
 add_option('-A', "--authors", action="store_true", default=False,
     help="Show author information")
+add_option('-B', "--build-info", action="store_true", default=False,
+    help="Show build information")
 add_option('-C', "--copyright", action="store_true", default=False,
     help="Show full copyright information")
 add_option('-R', "--readme", action="store_true", default=False,
@@ -195,6 +203,22 @@ def main():
     parse_args()
 
     done = False
+
+    if options.build_info:
+        done = True
+        print 'Build information:'
+        print
+        print 'compiled %s' % internal.core.cvar.compileDate;
+        print 'started %s' % datetime.datetime.now().ctime()
+        print 'executing on %s' % socket.gethostname()
+        print 'build options:'
+        keys = defines.m5_build_env.keys()
+        keys.sort()
+        for key in keys:
+            val = defines.m5_build_env[key]
+            print '    %s = %s' % (key, val)
+        print
+
     if options.copyright:
         done = True
         print info.LICENSE
@@ -242,7 +266,7 @@ def main():
         print brief_copyright
         print
         print "M5 compiled %s" % internal.core.cvar.compileDate;
-        print "M5 started %s" % datetime.now().ctime()
+        print "M5 started %s" % datetime.datetime.now().ctime()
         print "M5 executing on %s" % socket.gethostname()
         print "command line:",
         for argv in sys.argv:
diff --git a/src/python/m5/simulate.py b/src/python/m5/simulate.py
index 1ef78d6cb..ba9fb7899 100644
--- a/src/python/m5/simulate.py
+++ b/src/python/m5/simulate.py
@@ -36,6 +36,7 @@ import internal
 from main import options
 import SimObject
 import ticks
+import objects
 
 # The final hook to generate .ini files.  Called from the user script
 # once the config is built.