[cmake-developers] cmake 3.7.0-rc3 regression

[Robert Goulet]

Hi,

After trying to upgrade to CMake 3.7.0-rc3, we've found the following regression:

Previously, we were able to put multiple platform CMake executables in the same root by just renaming the "bin" folder, so that they don't overlap each other, as such:

cmake/win/cmake.exe
cmake/mac/cmake
cmake/linux/cmake
cmake/share/...
cmake/doc/...

However in 3.7.0-rc3 this is broken, no longer works if the CMake binary folder isn't named specifically "bin". CMake will fail to start, reporting "CMake Error: Could not find CMAKE_ROOT !!!".

Traced it back to this commit:

    Commit: 18bfbc972fd3daf3e973f80072c4de09ec7e852b

    Add option to control 'bin' directory of CMake's own installation (#16076)

    Add a `CMAKE_BIN_DIR` cache entry to CMake's own build configuration.
    Add a `--bindir` option to the `bootstrap` script to set it.

If this wasn't intentional, can we get a fix before 3.7.0 is released?

Thanks!
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