Update configuration script for MacOSX (Mavericks)

Also added versioned Hall C library to .gitignore

.gitignore

@@ -25,6 +25,7 @@ config.log
 *.[oad]
 *~
 *.so
+*.so.*
 *.os
 \#*\#
 

darwin64.py

@@ -14,7 +14,8 @@ def config(env,args):
 	if int(standalone):
 		env.Append(STANDALONE= '1')
 
-	env.Append(CXXFLAGS = '-Wall -Woverloaded-virtual -pthread -rdynamic')
+	#env.Append(CXXFLAGS = '-Wall -Woverloaded-virtual -pthread -rdynamic')
+	env.Append(CXXFLAGS = '-Wall -Woverloaded-virtual')
 	env.Append(CPPDEFINES = '-DMACVERS')
 
 	cxxversion = env.subst('$CXXVERSION')