diff --git a/BaseTools/Source/Python/AutoGen/GenMake.py b/BaseTools/Source/Python/AutoGen/GenMake.py
index 92c7bf0cda..daec9c6d54 100755
--- a/BaseTools/Source/Python/AutoGen/GenMake.py
+++ b/BaseTools/Source/Python/AutoGen/GenMake.py
@@ -120,7 +120,7 @@ class BuildFile(object):
         },
 
         POSIX_PLATFORM : {
-            "CP"    :   "cp -f",
+            "CP"    :   "cp -p -f",
             "MV"    :   "mv -f",
             "RM"    :   "rm -f",
             "MD"    :   "mkdir -p",
diff --git a/BaseTools/Source/Python/Workspace/DscBuildData.py b/BaseTools/Source/Python/Workspace/DscBuildData.py
index a599c5bb76..e9f68384b4 100644
--- a/BaseTools/Source/Python/Workspace/DscBuildData.py
+++ b/BaseTools/Source/Python/Workspace/DscBuildData.py
@@ -2932,7 +2932,7 @@ class DscBuildData(PlatformBuildClassObject):
             MakeApp = MakeApp + PcdMakefileEnd
             MakeApp = MakeApp + AppTarget % ("""\tcopy $(APPLICATION) $(APPFILE) /y """)
         else:
-            MakeApp = MakeApp + AppTarget % ("""\tcp $(APPLICATION) $(APPFILE) """)
+            MakeApp = MakeApp + AppTarget % ("""\tcp -p $(APPLICATION) $(APPFILE) """)
         MakeApp = MakeApp + '\n'
         IncludeFileFullPaths = []
         for includefile in IncludeFiles:
@@ -2955,7 +2955,7 @@ class DscBuildData(PlatformBuildClassObject):
         else:
             PcdValueCommonPath = os.path.normpath(mws.join(GlobalData.gGlobalDefines["EDK_TOOLS_PATH"], "Source/C/Common/PcdValueCommon.c"))
             MakeApp = MakeApp + '%s/PcdValueCommon.c : %s\n' % (self.OutputPath, PcdValueCommonPath)
-            MakeApp = MakeApp + '\tcp -f %s %s/PcdValueCommon.c\n' % (PcdValueCommonPath, self.OutputPath)
+            MakeApp = MakeApp + '\tcp -p -f %s %s/PcdValueCommon.c\n' % (PcdValueCommonPath, self.OutputPath)
         MakeFileName = os.path.join(self.OutputPath, 'Makefile')
         MakeApp += "$(OBJECTS) : %s\n" % MakeFileName
         SaveFileOnChange(MakeFileName, MakeApp, False)