/// $CompilerFlags: find_compiler_flags("sqlite3")
/// $LinkerFlags: find_linker_flags("sqlite3" "-lsqlite3")
+/// $PackageInfo: require_system("centos") pkgconfig sqlite-devel
/// $PackageInfo: require_system("darwin") pkg-config sqlite3
/// $PackageInfo: require_system("ubuntu") libsqlite3-dev pkg-config