[PATCH] BaseTools: increment build generate inf file lost .depex file

[Yonghong Zhu <yonghong.zhu@intel.com>]

From: Yunhua Feng <yunhuax.feng@intel.com>

increment build generate inf file in output directory lost .depex file info.

Fixes: https://bugzilla.tianocore.org/show_bug.cgi?id=1244
Cc: Liming Gao <liming.gao@intel.com>
Cc: Yonghong Zhu <yonghong.zhu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Yunhua Feng <yunhuax.feng@intel.com>
---
 BaseTools/Source/Python/AutoGen/AutoGen.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/BaseTools/Source/Python/AutoGen/AutoGen.py b/BaseTools/Source/Python/AutoGen/AutoGen.py
index 5778943512..2201ec8790 100644
--- a/BaseTools/Source/Python/AutoGen/AutoGen.py
+++ b/BaseTools/Source/Python/AutoGen/AutoGen.py
@@ -3634,10 +3634,14 @@ class ModuleAutoGen(AutoGen):
                 AsBuiltInfDict['binary_item'].append('ACPI|' + File)
             elif Item.Target.Ext.lower() == '.efi':
                 AsBuiltInfDict['binary_item'].append('PE32|' + self.Name + '.efi')
             else:
                 AsBuiltInfDict['binary_item'].append('BIN|' + File)
+        if not self.DepexGenerated:
+            DepexFile = os.path.join(self.OutputDir, self.Name + '.depex')
+            if os.path.exists(DepexFile):
+                self.DepexGenerated = True
         if self.DepexGenerated:
             self.OutputFile.add(self.Name + '.depex')
             if self.ModuleType in [SUP_MODULE_PEIM]:
                 AsBuiltInfDict['binary_item'].append('PEI_DEPEX|' + self.Name + '.depex')
             elif self.ModuleType in [SUP_MODULE_DXE_DRIVER, SUP_MODULE_DXE_RUNTIME_DRIVER, SUP_MODULE_DXE_SAL_DRIVER, SUP_MODULE_UEFI_DRIVER]:
-- 
2.12.2.windows.2