Re: linking problem: my_compress.o undefined

Luke Budnik wrote:
> Hello.
>
> I've downloaded some(all except shared-compat) rpms for my Linux from
> www.mysql.com.
> I've got simple C code connecting to database test and reading records from
> table TEST.
>
> Compilation is OK but durning linking porcess i recieve strange errors
> like:
> /usr/lib/mysql/libmysqlclient.a(my_compress.o)(.text+0xbc): In function
> `my_compress_alloc':
> : undefined reference to `compress'
> /usr/lib/mysql/libmysqlclient.a(my_compress.o)(.text+0x13a): In function
> `my_uncompress':
> : undefined reference to `uncompress'
> collect2: ld returned 1 exit status
>
> i'm compiling my prog.c with gcc:
> gcc prog.c -L/usr/lib/mysql -I/usr/include/mysql -lmysqlclient
>
> do i need to include sth else, new library?
>
> I've installed all new rpms from www.mysql.com.
>
> what do i do wrong?
>
> thanks in advance
> greetings R
>
> here the code i'm trying to compile:
>
> #include <sys/time.h>
> #include <stdio.h>
> #include <mysql.h>
>
> int main(char **args) {
>
> MYSQL_RES *result;
> MYSQL_ROW row;
> MYSQL *connection, mysql;
> int state;
>
> mysql_init(&mysql);
>
> connection = mysql_real_connect(&mysql,
> "amd",
> 0, 0,0,MYSQL_PORT,
> "test", 0);
>
>
> if( connection == NULL ) {
> printf(mysql_error(&mysql));
> return 1;
> }
>
> state = mysql_query(connection,
> "SELECT * FROM TEST");
>
> if( state != 0 ) {
> printf(mysql_error(connection));
> return 1;
> }
>
> result = mysql_store_result(connection);
>
> printf("Rows: %d\n", mysql_num_rows(result));
>
> while( ( row = mysql_fetch_row(result)) != NULL ) {
> printf("id: %s, val: %s\n",
> (row[0] ? row[0] : "NULL"),
> (row[1] ? row[1] : "NULL"));
> }
>
> mysql_free_result(result);
> mysql_close(connection);
>
> printf("Done.\n");
> }

All you have to do is link in zlib library with -lz

--

Sincerely,

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