2 files changed, 4 insertions, 4 deletions
diff --git a/BaseTools/Source/Python/GenFds/GenFds.py b/BaseTools/Source/Python/GenFds/GenFds.py
index ae3e776a55..c341045000 100644
--- a/BaseTools/Source/Python/GenFds/GenFds.py
+++ b/BaseTools/Source/Python/GenFds/GenFds.py
@@ -20,7 +20,7 @@ from linecache import getlines
 from io import BytesIO
 
 import Common.LongFilePathOs as os
-from Common.TargetTxtClassObject import TargetTxtDict
+from Common.TargetTxtClassObject import TargetTxtDict,gDefaultTargetTxtFile
 from Common.DataType import *
 import Common.GlobalData as GlobalData
 from Common import EdkLogger
@@ -207,7 +207,7 @@ def GenFdsApi(FdsCommandDict, WorkSpaceDataBase=None):
         GenFdsGlobalVariable.ConfDir = ConfDirectoryPath
         if not GlobalData.gConfDirectory:
             GlobalData.gConfDirectory = GenFdsGlobalVariable.ConfDir
-        BuildConfigurationFile = os.path.normpath(os.path.join(ConfDirectoryPath, "target.txt"))
+        BuildConfigurationFile = os.path.normpath(os.path.join(ConfDirectoryPath, gDefaultTargetTxtFile))
         if os.path.isfile(BuildConfigurationFile) == True:
             # if no build target given in command line, get it from target.txt
             TargetObj = TargetTxtDict()
diff --git a/BaseTools/Source/Python/GenFds/GenFdsGlobalVariable.py b/BaseTools/Source/Python/GenFds/GenFdsGlobalVariable.py
index 25f9d54874..d7668ba681 100644
--- a/BaseTools/Source/Python/GenFds/GenFdsGlobalVariable.py
+++ b/BaseTools/Source/Python/GenFds/GenFdsGlobalVariable.py
@@ -24,7 +24,7 @@ from Common import EdkLogger
 from Common.Misc import SaveFileOnChange
 
 from Common.TargetTxtClassObject import TargetTxtDict
-from Common.ToolDefClassObject import ToolDefDict
+from Common.ToolDefClassObject import ToolDefDict,gDefaultToolsDefFile
 from AutoGen.BuildEngine import ToolBuildRule
 import Common.DataType as DataType
 from Common.Misc import PathClass,CreateDirectory
@@ -103,7 +103,7 @@ class GenFdsGlobalVariable:
         TargetObj = TargetTxtDict()
         ToolDefinitionFile = TargetObj.Target.TargetTxtDictionary[DataType.TAB_TAT_DEFINES_TOOL_CHAIN_CONF]
         if ToolDefinitionFile == '':
-            ToolDefinitionFile = "Conf/tools_def.txt"
+            ToolDefinitionFile =  os.path.join('Conf', gDefaultToolsDefFile)
         if os.path.isfile(ToolDefinitionFile):
             ToolDefObj = ToolDefDict((os.path.join(os.getenv("WORKSPACE"), "Conf")))
             ToolDefinition = ToolDefObj.ToolDef.ToolsDefTxtDatabase