CMake

fix: PyUnicode_AsWideCharString #779

Job	Run time
build-linux (g++-11, gcc-11, g++-11, x64-linux, mono, linux.amd64)	13m 2s
build-android (armeabi-v7a with NEON, arm-neon-android, mono, android.arm)	6m 28s
build-android (arm64-v8a, arm64-android, mono, android.aarch64)	9m 54s
build-linux (/usr/aarch64-linux-gnu, g++-aarch64-linux-gnu, aarch64-linux-gnu-gcc, aarch64-linux-...	4m 51s
build-linux (/usr/arm-linux-gnueabihf, g++-arm-linux-gnueabihf, arm-linux-gnueabihf-gcc, arm-linu...	7m 52s
build-windows (Win32, x86-windows-static, x86-windows, windows.i386)	5m 15s
build-windows (x64, x64-windows-static, x64-windows, windows.amd64)	5m 18s
build-macos (arm64, arm64-osx, mono, macos.aarch64)	7m 20s
build-linux (/usr/i686-linux-gnu, g++-11-i686-linux-gnu, i686-linux-gnu-gcc-11, i686-linux-gnu-g+...	8m 3s
build-macos (x86_64, x64-osx, mono, macos.amd64)	10m 27s
	1h 18m 30s

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