>From https://www.postgresql.org/docs/14/install-windows-full.html --
> Both Bison and Flex are included in the msys tool suite, available from http://www.mingw.org/wiki/MSYS as part of the MinGW compiler suite. Aforementioned link is to a domain squatter. Perhaps MSYS2 could be used instead? https://packages.msys2.org/base Which is used for the official builds on EnterpriseDB? -- Liam Bowen