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bac50dfbcd
With Python3, the dict.value() method returns an iterator.
If a dictionary is updated while an iterator on its keys is used,
a RuntimeError is generated.
Converting the iterator to a list() forces a copy of the mutable
keys in an immutable list which can be safely iterated.
Commit f8d11e5a4aaa converted various uses but missed one:
When specifying multiple BUILDTARGET, the first target builds
successfully, but then the PGen.BuildDatabase._CACHE_ dictionary is
updated, and accessing the next target triggers a RuntimeError.
Convert this iterator to an immutable list, to solve this build error:
$ build -a IA32 -t GCC5 -b RELEASE -b NOOPT -p OvmfPkg/OvmfPkgIa32.dsc
[...]
Processing meta-data ...
build.py...
: error C0DE: Unknown fatal error when processing [OvmfPkg/OvmfPkgIa32.dsc]
(Please send email to edk2-devel@lists.01.org for help, attaching following call stack trace!)
(Python 3.5.3 on linux) Traceback (most recent call last):
File "BaseTools/BinWrappers/PosixLike/../../Source/Python/build/build.py", line 2387, in Main
MyBuild.Launch()
File "BaseTools/BinWrappers/PosixLike/../../Source/Python/build/build.py", line 2141, in Launch
self._MultiThreadBuildPlatform()
File "BaseTools/BinWrappers/PosixLike/../../Source/Python/build/build.py", line 1921, in _MultiThreadBuildPlatform
self.Progress
File "BaseTools/Source/Python/AutoGen/AutoGen.py", line 304, in __init__
self._InitWorker(Workspace, MetaFile, Target, Toolchain, Arch, *args, **kwargs)
File "BaseTools/Source/Python/AutoGen/AutoGen.py", line 477, in _InitWorker
for BuildData in PGen.BuildDatabase._CACHE_.values():
RuntimeError: dictionary changed size during iteration
Note: The culprit commit (f8d11e5a4aaa) can not be found with bisection.
In 9c2d68c0a299 the build tools default to the python version provided
by the ${PYTHON} environment variable, however the Python3 transition is
not functional before d943b0c339fe. f8d11e5a4aaa falls between the
previous two.
Reported-by: Leif Lindholm <leif.lindholm@linaro.org>
Fixes: f8d11e5a4aaa90bf63b4789f3993dd6d16c60787
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Philippe Mathieu-Daude <philmd@redhat.com>
Tested-by: Leif Lindholm <leif.lindholm@linaro.org>
Acked-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>
EDK II Project
A modern, feature-rich, cross-platform firmware development environment for the UEFI and PI specifications from www.uefi.org.
Contributions to the EDK II open source project are covered by the TianoCore Contribution Agreement 1.1
The majority of the content in the EDK II open source project uses a BSD 2-Clause License. The EDK II open source project contains the following components that are covered by additional licenses:
- AppPkg/Applications/Python/Python-2.7.2/Tools/pybench
- AppPkg/Applications/Python/Python-2.7.2
- AppPkg/Applications/Python/Python-2.7.10
- BaseTools/Source/C/BrotliCompress
- MdeModulePkg/Library/BrotliCustomDecompressLib
- OvmfPkg
- CryptoPkg/Library/OpensslLib/openssl
The EDK II Project is composed of packages. The maintainers for each package are listed in Maintainers.txt.