[edk2-devel] [Patch 1/1] BaseTools: Fixed a incremental build bug

[Bob Feng]

REF:https://bugzilla.tianocore.org/show_bug.cgi?id=2451

If removing a header file from source code and file
system, the incremental build will fail.

This patch is to fix this issue.

Cc: Liming Gao <liming.gao at intel.com>
Signed-off-by: Bob Feng <bob.c.feng at intel.com>
---
 BaseTools/Source/Python/AutoGen/GenMake.py         | 9 +++++++--
 BaseTools/Source/Python/AutoGen/IncludesAutoGen.py | 5 ++++-
 BaseTools/Source/Python/build/build.py             | 3 ++-
 3 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/BaseTools/Source/Python/AutoGen/GenMake.py b/BaseTools/Source/Python/AutoGen/GenMake.py
index fe94f9a4c232..ba199c1aa73d 100755
--- a/BaseTools/Source/Python/AutoGen/GenMake.py
+++ b/BaseTools/Source/Python/AutoGen/GenMake.py
@@ -1,9 +1,9 @@
 ## @file
 # Create makefile for MS nmake and GNU make
 #
-# Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2007 - 2020, Intel Corporation. All rights reserved.<BR>
 # SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
 ## Import Modules
 #
@@ -189,10 +189,13 @@ class BuildFile(object):
             with open(os.path.join(self._AutoGenObject.MakeFileDir, "deps.txt"),"w+") as fd:
                 fd.write("")
         if not os.path.exists(os.path.join(self._AutoGenObject.MakeFileDir, "dependency")):
             with open(os.path.join(self._AutoGenObject.MakeFileDir, "dependency"),"w+") as fd:
                 fd.write("")
+        if not os.path.exists(os.path.join(self._AutoGenObject.MakeFileDir, "deps_target")):
+            with open(os.path.join(self._AutoGenObject.MakeFileDir, "deps_target"),"w+") as fd:
+                fd.write("")
         return SaveFileOnChange(os.path.join(self._AutoGenObject.MakeFileDir, FileName), FileContent, False)
 
     ## Return a list of directory creation command string
     #
     #   @param      DirList     The list of directory to be created
@@ -694,11 +697,13 @@ cleanlib:
             "dependent_library_build_directory" : self.LibraryBuildDirectoryList,
             "library_build_command"     : LibraryMakeCommandList,
             "file_macro"                : FileMacroList,
             "file_build_target"         : self.BuildTargetList,
             "backward_compatible_target": BcTargetList,
-            "INCLUDETAG"                   : self._INCLUDE_CMD_[self._FileType] + " " + os.path.join("$(MODULE_BUILD_DIR)","dependency")
+            "INCLUDETAG"                   : "\n".join([self._INCLUDE_CMD_[self._FileType] + " " + os.path.join("$(MODULE_BUILD_DIR)","dependency"),
+                                                              self._INCLUDE_CMD_[self._FileType] + " " + os.path.join("$(MODULE_BUILD_DIR)","deps_target")
+                                                              ])
         }
 
         return MakefileTemplateDict
 
     def ParserGenerateFfsCmd(self):
diff --git a/BaseTools/Source/Python/AutoGen/IncludesAutoGen.py b/BaseTools/Source/Python/AutoGen/IncludesAutoGen.py
index bb6e883d84ca..1ca1798907ef 100644
--- a/BaseTools/Source/Python/AutoGen/IncludesAutoGen.py
+++ b/BaseTools/Source/Python/AutoGen/IncludesAutoGen.py
@@ -1,9 +1,9 @@
 ## @file
 # Build cache intermediate result and state
 #
-# Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2019 - 2020, Intel Corporation. All rights reserved.<BR>
 # SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 from Common.caching import cached_property
 import Common.EdkLogger as EdkLogger
 import Common.LongFilePathOs as os
@@ -63,10 +63,13 @@ class IncludesAutoGen():
             deps_include_str = _INCLUDE_DEPS_TEMPLATE.Replace(deps_file)
         except Exception as e:
             print(e)
         SaveFileOnChange(os.path.join(self.makefile_folder,"dependency"),deps_include_str,False)
 
+    def CreateDepsTarget(self):
+        SaveFileOnChange(os.path.join(self.makefile_folder,"deps_target"),"\n".join([item +":" for item in self.DepsCollection]),False)
+
     @cached_property
     def deps_files(self):
         """ Get all .deps file under module build folder. """
         deps_files = []
         for root, _, files in os.walk(self.d_folder, topdown=False):
diff --git a/BaseTools/Source/Python/build/build.py b/BaseTools/Source/Python/build/build.py
index 34acdccbdbd0..1e47e382cba9 100755
--- a/BaseTools/Source/Python/build/build.py
+++ b/BaseTools/Source/Python/build/build.py
@@ -1,10 +1,10 @@
 ## @file
 # build a platform or a module
 #
 #  Copyright (c) 2014, Hewlett-Packard Development Company, L.P.<BR>
-#  Copyright (c) 2007 - 2019, Intel Corporation. All rights reserved.<BR>
+#  Copyright (c) 2007 - 2020, Intel Corporation. All rights reserved.<BR>
 #  Copyright (c) 2018, Hewlett Packard Enterprise Development, L.P.<BR>
 #
 #  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 
@@ -278,10 +278,11 @@ def LaunchCommand(Command, WorkingDir,ModuleAuto = None):
         else:
             iau.UpdateDepsFileforNonMsvc()
         iau.UpdateDepsFileforTrim()
         iau.CreateModuleDeps()
         iau.CreateDepsInclude()
+        iau.CreateDepsTarget()
     return "%dms" % (int(round((time.time() - BeginTime) * 1000)))
 
 ## The smallest unit that can be built in multi-thread build mode
 #
 # This is the base class of build unit. The "Obj" parameter must provide
-- 
2.20.1.windows.1


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