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- CMAKE_OBJECT_PATH_MAX
- ---------------------
- Maximum object file full-path length allowed by native build tools.
- CMake computes for every source file an object file name that is
- unique to the source file and deterministic with respect to the full
- path to the source file. This allows multiple source files in a
- target to share the same name if they lie in different directories
- without rebuilding when one is added or removed. However, it can
- produce long full paths in a few cases, so CMake shortens the path
- using a hashing scheme when the full path to an object file exceeds a
- limit. CMake has a built-in limit for each platform that is
- sufficient for common tools, but some native tools may have a lower
- limit. This variable may be set to specify the limit explicitly. The
- value must be an integer no less than 128.
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