Hello, you have to use switch -lpq
http://www.postgresql.org/docs/8.3/static/libpq-build.html Regards Pavel Stehule On 12/02/2008, Shwe Yee Than <[EMAIL PROTECTED]> wrote: > Hello, > > > I´ve got a problem when trying to access Postgresql through C language. I've > included "libpq-fe.h" as a header file in the C program. > When I compile it, I got the following errors: [EMAIL PROTECTED] src]$ gmake > alpha1.o(.text+0x297c6):/home/srb/SRB3_4_2/mySRB/src/alpha1.c:12726: > undefined reference to `PQstatus' > alpha1.o(.text+0x297f5):/home/srb/SRB3_4_2/mySRB/src/alpha1.c:12729: > undefined reference to `PQerrorMessage' > alpha1.o(.text+0x2986f):/home/srb/SRB3_4_2/mySRB/src/alpha1.c:12741: > undefined reference to `PQexec' > alpha1.o(.text+0x29886):/home/srb/SRB3_4_2/mySRB/src/alpha1.c:12743: > undefined reference to `PQresultStatus' > alpha1.o(.text+0x298b2):/home/srb/SRB3_4_2/mySRB/src/alpha1.c:12746: > undefined reference to `PQclear' > alpha1.o(.text+0x298c3):/home/srb/SRB3_4_2/mySRB/src/alpha1.c:12747: > undefined reference to `PQfinish' > alpha1.o(.text+0x298e8):/home/srb/SRB3_4_2/mySRB/src/alpha1.c:12751: > undefined reference to `PQntuples' > alpha1.o(.text+0x2990c):/home/srb/SRB3_4_2/mySRB/src/alpha1.c:12752: > undefined reference to `PQgetvalue' > alpha1.o(.text+0x29935):/home/srb/SRB3_4_2/mySRB/src/alpha1.c:12754: > undefined reference to `PQclear' > alpha1.o(.text+0x29946):/home/srb/SRB3_4_2/mySRB/src/alpha1.c:12756: > undefined reference to `PQfinish' > collect2: ld returned 1 exit status > gmake: *** [etd.cgi] Error 1 > > Ayone can help me? > Thanks in advance > > Regards, > Shwe > > > ________________________________ > Looking for last minute shopping deals? Find them fast with Yahoo! Search. > > ---------------------------(end of broadcast)--------------------------- TIP 1: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly