MdeModulePkg: Fix build warning on Xhci driver with XCode 32 tool chain.

[mirror_edk2.git] / BaseTools / Source / Python / GenFds / FdfParser.py

diff --git a/BaseTools/Source/Python/GenFds/FdfParser.py b/BaseTools/Source/Python/GenFds/FdfParser.py
index bdb7a777707bc0e9f8443c6112673e81d2e1ffac..7a569e88dd79803b5fd49c358d36fd97f56a91ab 100644 (file)
--- a/BaseTools/Source/Python/GenFds/FdfParser.py
+++ b/BaseTools/Source/Python/GenFds/FdfParser.py
@@ -679,7 +679,7 @@ class FdfParser:
                     PreIndex = 0\r
                     StartPos = CurLine.find('$(', PreIndex)\r
                     EndPos = CurLine.find(')', StartPos+2)\r
-                    while StartPos != -1 and EndPos != -1:\r
+                    while StartPos != -1 and EndPos != -1 and not (self.__Token == '!ifdef' or self.__Token == '!ifndef'):\r
                         MacroName = CurLine[StartPos+2 : EndPos]\r
                         MacorValue = self.__GetMacroValue(MacroName)\r
                         if MacorValue != None:\r