pgsql-bugs(at)postgresql(dot)org writes:
> 2. PG Perl interface Makefile.PL produced Sun compiler options for
> compiling PG.c, e.g., "-KPIC", etc.
We deliberately try to build the Perl interface with the same compiler
and options that the local Perl installation claims it was built with,
regardless of what you are building Postgres with. Experience so far
on multi-compiler platforms is that it's much more likely that the
interface will actually work if built that way (remember it's going to
link into the Perl executable, not into Postgres).
Did it not work if you just let the makefile do what it wanted?
regards, tom lane