; Overlay native file: extends pkg_config_path with system packages. ; Conan handles spdlog, CLI11, json, sqlite3, catch2. ; Homebrew handles Z3 and Catch2 (on macOS). [built-in options] pkg_config_path = ['/opt/homebrew/opt/z3/lib/pkgconfig', '/opt/homebrew/lib/pkgconfig', '/usr/lib/x86_64-linux-gnu/pkgconfig']