Piergiorgio Valli <piervalli(at)gmail(dot)com> writes:
> When I am building the library with libpq.a it shows following error,
> probably there are missings libraries. Do you know the additional library
> that I need to link?
>> ld: error: undefined symbol: pg_encoding_mblen
>> ld: error: undefined symbol: pg_vsnprintf
libpgcommon and libpgport
regards, tom lane