After bootstrap building mlton with dev-lang/smlnj, rebuild mlton with the second stage build of mlton (recommended).

Packages describing “stage3” as local USE flag

Package “stage3” Flag Description
dev-lang/mlton After bootstrap building mlton with dev-lang/smlnj, rebuild mlton with the second stage build of mlton (recommended).

All packages providing a “stage3” USE flag (1)