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Am Montag, 21. Oktober 2002 16:49 schrieb shey sewani:

Cand find postgres Libpq libraries
Date: Mon, 21 Oct 2002 09:49:25 -0500
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Hello,

I recently Intalled RedHat 8.0 on my server. I also upgraded from Postgres
7.1 to Postgres 7.2.3 using RPMS. I installed all the RPMS for 7.2.3 on
this machine. Unfortunatley I've had some problems compiling programs that
use libpq++ on this machine. When I compile such programs I get the
following error messages.

"Querydtntrack.o(.text+0x2d): undefined reference to
`PgConnection::ConnectionBad() const'
Querydtntrack.o(.text+0x4b): undefined reference to
`PgConnection::ErrorMessage() const'
Querydtntrack.o: In function `PgDatabase::PgDatabase[in-charge](char
const*)':
Querydtntrack.o(.gnu.linkonce.t._ZN10PgDatabaseC1EPKc+0x10): undefined
reference to `PgConnection::PgConnection[not-in-charge](char
const*)'Querydtntrack.o: In function `PgDatabase::~PgDatabase
[in-charge]()':
Querydtntrack.o(.gnu.linkonce.t._ZN10PgDatabaseD1Ev+0x16): undefined
reference to `PgConnection::~PgConnection [not-in-charge]()'
Querydtntrack.o: In function `PgDatabase::~PgDatabase [in-charge
deleting]()':
Querydtntrack.o(.gnu.linkonce.t._ZN10PgDatabaseD0Ev+0x16): undefined
reference to `PgConnection::~PgConnection [not-in-charge]()'
Querydtntrack.o(.gnu.linkonce.d._ZTI10PgDatabase+0x8): undefined reference
to `typeinfo for PgConnection'
collect2: ld returned 1 exit status
make: *** [Querydtntrack] Error 1"

I'm using the same make file as I did on my Redhat 7.1 machine with
postgres 7.1

"all: Querydtntrack

Querydtntrack: Querydtntrack.o
gcc -o Querydtntrack Querydtntrack.o -lstdc++ -lpq++ -lpq
-march=i686;
clean:
rm -f *.o Querydtntrack core"

Any suggestions on what the problem may be.

Thanks,
Sheheryar Sewani
Houston, TX

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Hi,

you should use g++ when compiling/linking c++.

Tommi

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