[CMake] CMake updates timestamp when there are missing files.

[Golebiewski, Jakub]

Hi,

I've noticed a weird (but maybe expected) behavior.

My colleague forgot to edit CMakeLists.txt file for a library from which he deleted a .cpp file. As expected cmake failed with an error message during build. But next build after that passed without issues. CMake didn't run even though the file was still missing. It seems that previous (failed) cmake run updated timestamp anyway.

I'm using CMake 3.2.3 with "Visual Studio 2010 Win64" generator.

Is this expected behavior? Can I somehow prevent that?

Regards,
Jakub Golebiewski


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