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| <div class="section" id="cmake-object-path-max"> |
| <span id="variable:CMAKE_OBJECT_PATH_MAX"></span><h1>CMAKE_OBJECT_PATH_MAX<a class="headerlink" href="#cmake-object-path-max" title="Permalink to this headline">ΒΆ</a></h1> |
| <p>Maximum object file full-path length allowed by native build tools.</p> |
| <p>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.</p> |
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