Re: [Linker Error] Unresolved external
От | Magnus Hagander |
---|---|
Тема | Re: [Linker Error] Unresolved external |
Дата | |
Msg-id | 6BCB9D8A16AC4241919521715F4D8BCE4762E4@algol.sollentuna.se обсуждение исходный текст |
Ответ на | [Linker Error] Unresolved external (Graf László <graf.laszlo@axis.hu>) |
Список | pgsql-hackers-win32 |
The postgresql *service* account *must not* be in the administrator group. There is no way around that. You should use aseparate account for the postgresql service, and this account should be as limited as possible. //Magnus > -----Original Message----- > From: Graf László [mailto:graf.laszlo@axis.hu] > Sent: Monday, December 06, 2004 1:32 PM > To: Magnus Hagander; pgsql-hackers-win32@postgresql.org > Subject: Re: [pgsql-hackers-win32] [Linker Error] Unresolved external > > OK I got it. > I had to reinstall the 8 release and change some install settings. > So now I have the include and lib folders. > But I got a new error message now. It say that I can not > install and start the service because the user grafl is > member of admin group. > > How can I start it remaining in the admin group? > > Magnus Hagander wrote: > > It should contain the include files, but you need to > specifically enable that feature for installation (they're > not installed by default, IIRC). > > > > //Magnus > > > > > >>-----Original Message----- > >>From: Graf László [mailto:graf.laszlo@axis.hu] > >>Sent: Monday, December 06, 2004 1:01 PM > >>To: Magnus Hagander; pgsql-hackers-win32@postgresql.org > >>Subject: Re: [pgsql-hackers-win32] [Linker Error] > Unresolved external > >> > >>I got the 8.0 release but it do not contain include files > only dlls in > >>the lib forder. > >> > >>Magnus Hagander wrote: > >> > >>>You need to link with libpqdll.lib. So far you are just > >> > >>specifying a directory to look for the .lib in - not > actually telling > >>it to do the link. I have no idea how to do that in Borland C++, > >>though. In MSVC you just add the lib file to your project. > >> > >>>(Also, beware that PostgreSQL 7.2.1 is *very* old. I'd strongly > >>>suggest you look at something newer. For win32, you can go > >> > >>with either > >> > >>>7.4 on cygwin or 8.0 release candidate on native win32) > >>> > >>>//Magnus > >>> > >>> > >>> > >>>>-----Original Message----- > >>>>From: Graf László [mailto:graf.laszlo@axis.hu] > >>>>Sent: Monday, December 06, 2004 10:20 AM > >>>>To: pgsql-hackers-win32@postgresql.org > >>>>Subject: [pgsql-hackers-win32] [Linker Error] Unresolved external > >>>> > >>>>Hi all, > >>>> > >>>>As a novice I installed PostgreSQL 7.2.1 on Win32 and > >> > >>works, Borland > >> > >>>>C++Builder Enterprise Suite 5.0 (build 12.34) what works too. > >>>> > >>>>I decided to combine these two programs and develop a > >> > >>simple GUI app > >> > >>>>to display datas queried from PostgreSQL. I did make the > following > >>>>changes in the project's settings: > >>>> > >>>>Project->Properties->Directories->Include path += C:\Program > >>>>Project->Properties->Directories->Files\PostgreSQL\7\include > >> > >> Librariy > >> > >>>>Project->Properties->Directories->path += C:\Program > >>>>Project->Properties->Directories->Files\PostgreSQL\7\lib > >>>> > >>>>(I aded these lines to the project paths). > >>>> > >>>>Within a brand new BCB project I typed in the simpliest code: > >>>> > >>>> > >>>>#include <libpq-fe.h> > >>>>char *pghost, *pgport, *pgoptions, *pgtty; > >>>>char *dbName; > >>>>int nFields, i, j; > >>>>PGconn *conn; > >>>>PGresult *res; > >>>> > >>>>pghost = NULL; /* host name of the backend server */ > >>>>pgport = NULL; /* port of the backend server */ > >>>>pgoptions = NULL; /* special options to start up > >> > >>the backend > >> > >>>> * server */ > >>>>pgtty = NULL; /* debugging tty for the > >> > >>backend server */ > >> > >>>>dbName = "template1"; > >>>> > >>>>/* make a connection to the database */ conn = > >> > >>PQsetdb(pghost, pgport, > >> > >>>>pgoptions, pgtty, dbName); > >>>> > >>>>res = PQexec(conn, "BEGIN"); > >>>>PQclear(res); > >>>> > >>>>res = PQexec(conn, "DECLARE mycursor CURSOR FOR SELECT * FROM > >>>>pg_database"); PQclear(res); res = PQexec(conn, "FETCH ALL in > >>>>mycursor"); nFields = PQnfields(res); for (i = 0; i < > nFields; i++) > >>>> printf("%-15s", PQfname(res, i)); printf("\n\n"); > >>>> > >>>>/* next, print out the rows */ > >>>>for (i = 0; i < PQntuples(res); i++) { > >>>> for (j = 0; j < nFields; j++) > >>>> printf("%-15s", PQgetvalue(res, i, j)); > >>>> printf("\n"); > >>>>} > >>>>PQclear(res); > >>>> > >>>>res = PQexec(conn, "CLOSE mycursor"); PQclear(res); > >>>> > >>>>/* commit the transaction */ > >>>>res = PQexec(conn, "COMMIT"); > >>>>PQclear(res); > >>>> > >>>>/* close the connection to the database and cleanup */ > >> > >>PQfinish(conn); > >> > >>>>When I run the app I got these errors: > >>>> > >>>>[Linker Error] Unresolved external '_PQconnectdb' > >>>> referenced from C:\PROGRAM > >>>>FILES\POSTGRESQL\7\CLIENT\BCB_01\MAIN.OBJ > >>>>[Linker Error] Unresolved external '_PQnfields' > >>>> referenced from C:\PROGRAM > >>>>FILES\POSTGRESQL\7\CLIENT\BCB_01\MAIN.OBJ > >>>>[Linker Error] Unresolved external '_PQexec' > >>>> referenced from C:\PROGRAM > >>>>FILES\POSTGRESQL\7\CLIENT\BCB_01\MAIN.OBJ > >>>>[Linker Error] Unresolved external '_PQclear' > >>>> referenced from C:\PROGRAM > >>>>FILES\POSTGRESQL\7\CLIENT\BCB_01\MAIN.OBJ > >>>>[Linker Error] Unresolved external '_PQfinish' > >>>> referenced from C:\PROGRAM > >>>>FILES\POSTGRESQL\7\CLIENT\BCB_01\MAIN.OBJ > >>>> > >>>>What is wrong? I supose that I miss something to configure. > >>>> > >>>>Laszlo Graf > >>>> > >>>>---------------------------(end of > >>>>broadcast)--------------------------- > >>>>TIP 5: Have you checked our extensive FAQ? > >>>> > >>>> http://www.postgresql.org/docs/faqs/FAQ.html > >>>> > >>>> > >> > >>-- > >>Graf László - bitfaragó > >>http://grafl.port5.com/ > >> > >> > > -- > Graf László - bitfaragó > http://grafl.port5.com/ > >
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