INTERPROCEDURAL_OPTIMIZATION

From Get docs
Cmake/docs/3.21/prop dir/interprocedural optimization


INTERPROCEDURAL_OPTIMIZATION

Enable interprocedural optimization for targets in a directory.

If set to true, enables interprocedural optimizations if they are known to be supported by the compiler.

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Licensed under the BSD 3-clause License.
https://cmake.org/cmake/help/v3.21/prop_dir/INTERPROCEDURAL_OPTIMIZATION.html