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const targetSpecified = process.argv[2] !== 'none';

let cxxStandard = '14';

if (targetSpecified) {

// Assume electron if target is specified.

// If building node 18 / 19 via target, will need to specify C++ standard manually

const majorVersion = process.argv[2].split('.')[0];

if (Number.parseInt(majorVersion) >= 32) {

cxxStandard = '20';

} else if (Number.parseInt(majorVersion) >= 21) {

cxxStandard = '17';

}

} else {

const abiVersion = Number.parseInt(process.versions.modules) ?? 0;

// Node 18 === 108

if (abiVersion >= 131) {

cxxStandard = '20';

} else if (abiVersion >= 108) {

cxxStandard = '17';

}

}

process.stdout.write(cxxStandard);