Reverse dependencies for mkmf-lite

Latest version of the following gems require mkmf-lite

Gem	Version	Date	Downloads
sys-filesystem +65.3 Million Downloads	`1.6.0` June 16, 2026	June 16, 2026	65.3 Million
sys-proctable +21.9 Million Downloads	`1.3.0` December 26, 2022	December 26, 2022	21.9 Million
solaris-kstat +50.1 Thousand Downloads	`1.1.2` December 19, 2015	December 19, 2015	50.1 Thousand
rxerces +3.04 Thousand Downloads	`0.7.0` January 03, 2026	January 03, 2026	3.04 Thousand