On Tue, Nov 17, 2020 at 8:02 PM Condor <condor@xxxxxxxxxx> wrote: > I try to compile postgres again with (cd src/backend/commands; sed > 's/TRUE/true/' collationcmds.c > collationcmds.c; ) and it's compiled > but get new error on linking: Doesn't that produce an empty file collationcmds.c? I think you want: sed 's/TRUE/true/' collationcmds.c > collationcmds.c.tmp && mv collationcmds.c.tmp collationcmds.c