Re: [INTERFACES] Question about libpq++

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От Ralf Berger
Тема Re: [INTERFACES] Question about libpq++
Дата
Msg-id 36AF318A.716936CA@ipk.fhg.de
обсуждение исходный текст
Ответ на Question about libpq++  ("Alexey V. Meledin" <cureman@pia.ru>)
Список pgsql-interfaces
"Alexey V. Meledin" wrote:
>
> I've installed pgsql 6.4.2
> It includes libpq++
> I've tried to play with it...
> Simply
> #include <stdlib.h>
> #include <libpq++.h>
> int main(void)
> {
>       PgEnv a;
>       a.SetEnv(NULL,NULL,NULL,NULL,NULL);
>       return 0;
> }
>
> during compilation with "g++ -o pgsetenv pgsetenv.cpp
> -I/usr/local/pgsql/include" I've got an error message:
> /var/tmp/ccxg22111.o: Undefined symbol `___5PgEnv' referenced from text segment
> ....
>
> What to do?
>
> thanks,
>        Q
Sound's like a link problem to me. The linker say's that he
can not find theses symbol.

Perhaps you add the options "-L/usr/local/pgsql/lib -lpg -lpg++" to
your linker options.

Hope that helps.

    Ralf

--
Fraunhofer IPK
Dipl.-Inform. Ralf Berger
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10587 Berlin

Tel.: ++49-(0)30 390 06 129
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---

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there is no longer anything to add, but when there is
no longer anything to take away.

Antoine de Saint Exupery

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