Date: Thu, 15 Oct 1998 16:02:27 -0700 From: Jahan <" jahan"@pc.jaring.my> To: "freebsd-questions@FreeBSD.ORG" <freebsd-questions@FreeBSD.ORG> Subject: Re: Arg...Undefined symbol...error in C program Message-ID: <36267F03.7AA1D180@pc.jaring.my> References: <35C8FC5C.3AB72BE8@itw.com>
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Try this
cc -I/usr/local/include/mysql -L/usr/local/lib/mysql $1.c -lm
-lmysqlclient
Mr Bill wrote:
>
> Hello again folks. This oughtta be easy, but then again...I'm trying to
> use the MySQL C API to access a database. Seems easy enough. Here's a
> (non-useful) program snippet:
>
> -------snibegin------
> #include <stdio.h>
> #include <mysql.h>
>
> main()
> {
> MYSQL MySQL;
> mysql_connect(&MySQL, "mrbill", "bill", "metekake");
> } /* main */
> -------sniend---------
>
> The header file (mysql.h) has the declaration:
>
> MYSQL *mysql_connect(MYSQL *mysql, const char *host,
> const char *user, const char *passwd);
> I try, and get:
>
> MrBill:~/db/src$ cc -I/usr/local/include/mysql -L/usr/local/lib/mysql
> -lmysqlclient tryme.c
> /var/tmp/ccSBG4211.o: Undefined symbol `_mysql_connect' referenced
> from text segment
>
> The MySQL docs say I need to add a -lm library as the last linked lib,
> but that does not help. The compiler checks the mysql header, because
> syntax or type errors halt compilation. The lib seems OK:
>
> MrBill:/usr/local/lib/mysql$ strings libmysqlclient.a | grep connect
> _mysql_real_connect
> _mysql_connect
> _mysql_reconnect
> _mysql_real_connect
> _remember_connection
> _mysql_connect
> _connect
>
> This oughtta be easy. Have I lost my mind?
>
> Thanks
> -Glen
>
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