On Sun, Jun 13, 2021 at 02:21:36PM +0200, Hauke Fath wrote: > on Darwin 8 (Mac OS X 10.4 "Tiger"), the lang/perl5 build is currently > failing over an unrecognized "-Wno-error=implicit-function-declaration". The problem is less that -Wno-error part, but that -Wimplicit-function-declaration is not supported. Joerg