SF.net SVN: edk2-buildtools:[1953] trunk/BaseTools/Source/Python

[<lg...@us...>]

Revision: 1953
          http://edk2-buildtools.svn.sourceforge.net/edk2-buildtools/?rev=1953&view=rev
Author:   lgao4
Date:     2010-04-19 06:38:34 +0000 (Mon, 19 Apr 2010)

Log Message:
-----------
Update the output file (System map file and GUID XREF file) only when the file content is changed.

Modified Paths:
--------------
    trunk/BaseTools/Source/Python/GenFds/GenFds.py
    trunk/BaseTools/Source/Python/build/build.py

Modified: trunk/BaseTools/Source/Python/GenFds/GenFds.py
===================================================================
--- trunk/BaseTools/Source/Python/GenFds/GenFds.py	2010-04-16 05:30:08 UTC (rev 1952)
+++ trunk/BaseTools/Source/Python/GenFds/GenFds.py	2010-04-19 06:38:34 UTC (rev 1953)
@@ -35,6 +35,7 @@
 from Common import EdkLogger
 from Common.String import *
 from Common.Misc import DirCache,PathClass
+from Common.Misc import SaveFileOnChange
 
 ## Version and Copyright
 versionNumber = "1.0"
@@ -486,14 +487,15 @@
 
     def GenerateGuidXRefFile(BuildDb, ArchList):
         GuidXRefFileName = os.path.join(GenFdsGlobalVariable.FvDir, "Guid.xref")
-        GuidXRefFile = open(GuidXRefFileName, "w+")
+        GuidXRefFile = StringIO.StringIO('')
         for Arch in ArchList:
             PlatformDataBase = BuildDb.BuildObject[GenFdsGlobalVariable.ActivePlatform, Arch]
             for ModuleFile in PlatformDataBase.Modules:
                 Module = BuildDb.BuildObject[ModuleFile, Arch]
                 GuidXRefFile.write("%s %s\n" % (Module.Guid, Module.BaseName))
+        SaveFileOnChange(GuidXRefFileName, GuidXRefFile.getvalue(), False)
         GuidXRefFile.close()
-        GenFdsGlobalVariable.InfLogger("\nGUID cross reference file saved to %s" % GuidXRefFileName)
+        GenFdsGlobalVariable.InfLogger("\nGUID cross reference file can be found at %s" % GuidXRefFileName)
         
     ##Define GenFd as static function
     GenFd = staticmethod(GenFd)

Modified: trunk/BaseTools/Source/Python/build/build.py
===================================================================
--- trunk/BaseTools/Source/Python/build/build.py	2010-04-16 05:30:08 UTC (rev 1952)
+++ trunk/BaseTools/Source/Python/build/build.py	2010-04-19 06:38:34 UTC (rev 1953)
@@ -1289,12 +1289,10 @@
         #
         # Save address map into MAP file.
         #
-        MapFile = open(MapFilePath, "wb")
-        MapFile.write(MapBuffer.getvalue())
-        MapFile.close()
-        MapBuffer.close()
+        SaveFileOnChange(MapFilePath, MapBuffer.getvalue(), False)
+        MapBuffer.close()
         if self.LoadFixAddress != 0:
-            sys.stdout.write ("\nLoad Module At Fix Address Map file saved to %s\n" %(MapFilePath))
+            sys.stdout.write ("\nLoad Module At Fix Address Map file can be found at %s\n" %(MapFilePath))
         sys.stdout.flush()
 
     ## Build active platform for different build targets and different tool chains


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