Hello,
I've been using the EDK2 for a long time as was still using VS2008 tool set.
I decided to start fresh to move to vs2022 - I cloned fresh new
directories (and found out I had to also get submodules). Ran the
"edksetup.bat Rebuild VS2022". I found that toolsetup.bat has a bug -
I'll put the patch at the bottom below.
So now it came time to build one of my UEFI applications. I renamed
the C:\edk\Build directory to get a fresh build. I start it: "call
build -a X64 -y release_report.txt -p acme\superapp.dsc -b RELEASE"
but when it starts the build I get:
Traceback (most recent call last):
File "C:\edk\edk2\BaseTools\Source\Python\build\build.py", line
2588, in <module>
LogQMaxSize = ThreadNum() * 10
File "C:\edk\edk2\BaseTools\Source\Python\build\build.py", line
2567, in ThreadNum
ThreadNumber =
TargetObj.Target.TargetTxtDictionary[TAB_TAT_DEFINES_MAX_CONCURRENT_THREAD_NUMBER]
File "C:\edk\edk2\BaseTools\Source\Python\Common\TargetTxtClassObject.py",
line 163, in Target
self._GetTarget()
File "C:\edk\edk2\BaseTools\Source\Python\Common\TargetTxtClassObject.py",
line 182, in _GetTarget
ConfDirectoryPath = mws.join(os.environ["WORKSPACE"], 'Conf')
File "C:\edk\edk2\BaseTools\Source\Python\Common\MultipleWorkspace.py",
line 70, in join
for Pkg in cls.PACKAGES_PATH:
TypeError: 'NoneType' object is not iterable
Could someone point out what I need to do to fix it?
Here's that patch I mentioned above:
--- C:/toolsetup-f25d437f.001.bat Tue Jan 13 02:02:15 2026
+++ C:/edk/edk2/BaseTools/toolsetup.bat Mon Jan 12 22:13:07 2026
@@ -15,6 +15,8 @@
set PYTHON_VER_MAJOR=3
set PYTHON_VER_MINOR=6
+setlocal EnableDelayedExpansion
+
@REM ##############################################################
@REM # You should not have to modify anything below this line
@REM #
@@ -251,7 +253,7 @@
)
if not defined FORCE_REBUILD (
if not defined REBUILD (
- if not exist "%EDK_TOOLS_BIN%" (
+ if not exist "!EDK_TOOLS_BIN!" (
echo.
echo !!! ERROR !!! Cannot find BaseTools Bin Win32!!!
echo Please check the directory %EDK_TOOLS_BIN%
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