REF:https://bugzilla.tianocore.org/show_bug.cgi?id=2520

Incremental build failure in CLANGPDB tool chain on Windows host
The build failure is like below when do incremental build.
The root cause is in generated deps_target file. It has one line ":".

Signed-off-by: Zhiju.Fan <[email protected]>

Cc: Liming Gao <[email protected]>
Cc: Bob Feng <[email protected]>
---
 BaseTools/Source/Python/AutoGen/IncludesAutoGen.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/BaseTools/Source/Python/AutoGen/IncludesAutoGen.py 
b/BaseTools/Source/Python/AutoGen/IncludesAutoGen.py
index ca9e02d19b4a..0a6314266f45 100644
--- a/BaseTools/Source/Python/AutoGen/IncludesAutoGen.py
+++ b/BaseTools/Source/Python/AutoGen/IncludesAutoGen.py
@@ -111,6 +111,8 @@ class IncludesAutoGen():
                         continue
                     dependency_file = item.strip(" \\\n")
                     dependency_file = dependency_file.strip('''"''')
+                    if dependency_file == '':
+                        continue
                     if os.path.normpath(dependency_file +".deps") == abspath:
                         continue
                     filename = os.path.basename(dependency_file).strip()
-- 
2.18.0.windows.1


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