Re: Problem in using C API - libpq

Could you please tell me how to do so? Thanks.

Ben <bench(at)silentmedia(dot)com> wrote: Including the header is not enough.... you must also link your binary against the library.
On Feb 11, 2008, at 9:52 PM, Shwe Yee Than 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:
[srb(at)fsktm 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

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