pgsql.gen@xxxxxxxxxxxxx writes: > I was trying this example program out of a well known postgresql book and keep getting errors whenever I try to compile. > cc -g -I /usr/include -I /usr/include/pgsql -I /usr/include/pgsql/server -c -o client1.o client1.c > cc -g client1.o -L /usr/lib -L /usr/lib/pgsql -o client1 > client1.o: In function `main': > /root/PROGRAMMING/C_API/client1.c:10: undefined reference to `PQconnectdb' > /root/PROGRAMMING/C_API/client1.c:11: undefined reference to `PQfinish' > collect2: ld returned 1 exit status You're missing "-lpq" in the link step. I think most or all of those -I and -L switches are useless, also. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 1: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to majordomo@xxxxxxxxxxxxxx so that your message can get through to the mailing list cleanly