rebuild in response to changed .c file

1 files changed, 26 insertions, 31 deletions

diff --git a/src/engine/SCons/Sig/TimeStamp.py b/src/engine/SCons/Sig/TimeStamp.py
index f66810d..cb2c202 100644
--- a/src/engine/SCons/Sig/TimeStamp.py
+++ b/src/engine/SCons/Sig/TimeStamp.py
@@ -7,43 +7,38 @@ utility.
 
 __revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
 
-def _init():
-    pass	# XXX
-
-def _end():
-    pass	# XXX
-
 def current(obj, sig):
-    """Return whether the object's timestamp is up-to-date.
+    """Return whether the objects timestamp is up-to-date.
     """
-    return obj.signature() >= sig
+    return obj.get_signature() >= sig
 
-def set():
-    pass	# XXX
-
-def invalidate():
-    pass	# XXX
+def collect(signatures):
+    """
+    Collect a list of timestamps, returning
+    the most-recent timestamp from the list 
 
-def collect(*objects):
-    """Collect timestamps from a list of objects, returning
-    the most-recent timestamp from the list.
+    signatures - a list of timestamps
+    returns - the most recent timestamp
     """
-    r = 0
-    for obj in objects:
-	s = obj.signature()
-	if s > r:
-	    r = s
-    return r
-
-def signature(contents):
+
+    if len(signatures) == 0:
+        return 0
+    elif len(signatures) == 1:
+        return signatures[0]
+    else:
+        return max(signatures)
+
+def signature(obj):
     """Generate a timestamp.
     """
-    pass	# XXX
-#    return md5.new(contents).hexdigest()	# 2.0
-    return hexdigest(md5.new(contents).digest())
+    return obj.get_timestamp()
+
+def to_string(signature):
+    """Convert a timestamp to a string"""
+    return str(signature)
+
+def from_string(string):
+    """Convert a string to a timestamp"""
+    return int(string)
 
-def cmdsig():
-    pass	# XXX
 
-def srcsig():
-    pass	# XXX