"" <christophe(dot)moulin(at)progimed(dot)fr> writes:
> I made an installation of Postgres on a redhat machine after compiling
> sources on a redhat machine. Everything is OK.
> When i install Postgres on a debian machine, i get an error when using psql
> : "psql: symbol lookup error: /usr/lib/libreadline.so.5: undefined symbol:
> BC"
> If i compile sources on debian-machine, psql does not work on a redhat
> machine. Same error message.
This is not a bug. They're two different platforms and you shouldn't
expect compiled executables to be portable between them.
regards, tom lane