diff options
Diffstat (limited to 'BaseTools/Source/Python/AutoGen')
| -rw-r--r-- | BaseTools/Source/Python/AutoGen/GenDepex.py | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/BaseTools/Source/Python/AutoGen/GenDepex.py b/BaseTools/Source/Python/AutoGen/GenDepex.py index b652051ac1..f80824b744 100644 --- a/BaseTools/Source/Python/AutoGen/GenDepex.py +++ b/BaseTools/Source/Python/AutoGen/GenDepex.py @@ -423,7 +423,14 @@ def Main(): Dpx = DependencyExpression(DxsString, Option.ModuleType, Option.Optimize)
if Option.OutputFile != None:
- Dpx.Generate(Option.OutputFile)
+ FileChangeFlag = Dpx.Generate(Option.OutputFile)
+ if not FileChangeFlag and DxsFile:
+ #
+ # Touch the output file if its time stamp is older than the original
+ # DXS file to avoid re-invoke this tool for the dependency check in build rule.
+ #
+ if os.stat(DxsFile)[8] > os.stat(Option.OutputFile)[8]:
+ os.utime(Option.OutputFile, None)
else:
Dpx.Generate()
except BaseException, X:
|