148dce96ed
Typically MSVC is detected via the VSWhere program. However, this may not be available, or may be installed in an unpredictable location. This PR adds an additional approach via Windows Registry queries to determine VS install location root. Additionally: * Construct vs_install_paths after class-definition time (move it to variable-access time). * Skip over keys for which a user does not have read permissions when performing searches (previously the presence of these keys would have caused an error, regardless of whether they were needed). * Extend helper functionality with option for regex matching on registry keys vs. exact string matching. * Some internal refactoring: remove boolean parameters in some cases where the function was always called with the same value (e.g. `find_subkey`) |
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