Created attachment 511718 [details] build.log When trying to update mono to 5.4.1.6, mono fails with: error CS0006: Metadata file './../../../class/lib/net_4_x-linux/System.ComponentModel.Composition.dll' could not be found make[10]: *** [../../../build/library.make:311: ../../../class/lib/net_4_x-linux/Facades/netstandard.dll] Error 1
Thank you for the report. Please *attach* the logfiles, (emerge --info is missing) https://wiki.gentoo.org/wiki/Attach_the_logs_to_the_bug_ticket and reopen this ticket (Status:unconfirmed).