Libpq error: Undefined symbols ? - Mailing list pgsql-novice

Trying to compile one of the libpq sample from the postgresql website,
I get this error :

"ld: Undefined symbols:
_PQclear
_PQerrorMessage
_PQexec
_PQfinish
_PQfname
_PQgetvalue
_PQnfields
_PQntuples
_PQresultStatus
_PQsetdbLogin
_PQstatus"

I can't figure out why ?

MacOS X 10.2.4
PostgreSQL 7.3

Thanks

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Stéphane
iChat/AIM: s.pinel
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