[Patch] BaseTools: init DependencyHeaderFileSet for each MakeFile class

["Bob Feng" <bob.c.feng@intel.com>]

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2203

This patch is going to fix a regression issue that
build breaks when the custom makefile exist.

Cc: Liming Gao <liming.gao@intel.com>
Cc: Steven Shi <steven.shi@intel.com>
Signed-off-by: Bob Feng <bob.c.feng@intel.com>
---
 BaseTools/Source/Python/AutoGen/GenMake.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/BaseTools/Source/Python/AutoGen/GenMake.py b/BaseTools/Source/Python/AutoGen/GenMake.py
index 940136248f..e447e43ec3 100755
--- a/BaseTools/Source/Python/AutoGen/GenMake.py
+++ b/BaseTools/Source/Python/AutoGen/GenMake.py
@@ -447,10 +447,11 @@ cleanlib:
         self.Macros["WORKSPACE"       ] = self._AutoGenObject.Macros["WORKSPACE"]
         self.Macros["FFS_OUTPUT_DIR"  ] = self._AutoGenObject.Macros["FFS_OUTPUT_DIR"]
         self.GenFfsList                 = ModuleAutoGen.GenFfsList
         self.MacroList = ['FFS_OUTPUT_DIR', 'MODULE_GUID', 'OUTPUT_DIR']
         self.FfsOutputFileList = []
+        self.DependencyHeaderFileSet = set()
 
     # Compose a dict object containing information used to do replacement in template
     @property
     def _TemplateDict(self):
         if self._FileType not in self._SEP_:
@@ -908,11 +909,11 @@ cleanlib:
                                     SourceFileList,
                                     ForceIncludedFile,
                                     self._AutoGenObject.IncludePathList + self._AutoGenObject.BuildOptionIncPathList
                                     )
 
-        self.DependencyHeaderFileSet = set()
+
         if FileDependencyDict:
             for Dependency in FileDependencyDict.values():
                 self.DependencyHeaderFileSet.update(set(Dependency))
 
         # Get a set of unique package includes from MetaFile
@@ -1242,10 +1243,11 @@ ${BEGIN}\t-@${create_directory_command}\n${END}\
     #
     def __init__(self, ModuleAutoGen):
         BuildFile.__init__(self, ModuleAutoGen)
         self.PlatformInfo = self._AutoGenObject.PlatformInfo
         self.IntermediateDirectoryList = ["$(DEBUG_DIR)", "$(OUTPUT_DIR)"]
+        self.DependencyHeaderFileSet = set()
 
     # Compose a dict object containing information used to do replacement in template
     @property
     def _TemplateDict(self):
         Separator = self._SEP_[self._FileType]
@@ -1432,10 +1434,11 @@ cleanlib:
         self.ModuleMakefileList = []
         self.IntermediateDirectoryList = []
         self.ModuleBuildDirectoryList = []
         self.LibraryBuildDirectoryList = []
         self.LibraryMakeCommandList = []
+        self.DependencyHeaderFileSet = set()
 
     # Compose a dict object containing information used to do replacement in template
     @property
     def _TemplateDict(self):
         Separator = self._SEP_[self._FileType]
@@ -1537,10 +1540,11 @@ class TopLevelMakefile(BuildFile):
     #   @param  Workspace   Object of WorkspaceAutoGen class
     #
     def __init__(self, Workspace):
         BuildFile.__init__(self, Workspace)
         self.IntermediateDirectoryList = []
+        self.DependencyHeaderFileSet = set()
 
     # Compose a dict object containing information used to do replacement in template
     @property
     def _TemplateDict(self):
         Separator = self._SEP_[self._FileType]
-- 
2.20.1.windows.1