[cmake-developers] AutogenInfo.cmake With Read-Only Modules

[Justin Borodinsky]

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Hi,

I ran into an issue when the Modules directory is read-only, I
received a "Internal CMake error when trying to open file"... from
cmQtAutoGenerators.

ConfigureFile use the source file's permissions, but
cmQtAutoGenerators::SetupAutoGenerateTarget requires write access.

The attached patch is a quick work-around.

- -- 
Thanks,
Justin
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