BaseTools: Create ".cache" folder when initialize Build object

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=1986

Create "Conf/.cache" folder as early as possible
so that the later code do need to check
if it exits and then create it.

Signed-off-by: Bob Feng <bob.c.feng@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

BaseTools/Source/Python/Common/Misc.py

@@ -246,13 +246,8 @@ def ProcessDuplicatedInf(Path, BaseName, Workspace):
     else:
         Filename = BaseName + Path.BaseName
 
-    #
-    # If -N is specified on command line, cache is disabled
-    # The directory has to be created
-    #
     DbDir = os.path.split(GlobalData.gDatabasePath)[0]
-    if not os.path.exists(DbDir):
-        os.makedirs(DbDir)
+
     #
     # A temporary INF is copied to database path which must have write permission
     # The temporary will be removed at the end of build

BaseTools/Source/Python/build/build.py

@@ -773,7 +773,8 @@ class Build():
                 ConfDirectoryPath = mws.join(self.WorkspaceDir, 'Conf')
         GlobalData.gConfDirectory = ConfDirectoryPath
         GlobalData.gDatabasePath = os.path.normpath(os.path.join(ConfDirectoryPath, GlobalData.gDatabasePath))
-
+        if not os.path.exists(os.path.join(GlobalData.gConfDirectory, '.cache')):
+            os.makedirs(os.path.join(GlobalData.gConfDirectory, '.cache'))
         self.Db = WorkspaceDatabase()
         self.BuildDatabase = self.Db.BuildObject
         self.Platform = None