note 19559 rejected from faq.build by alindeman

I just can't compile php 4.1.2 in slackware 7.1. I get an undefined reference to "compress" and the -lz flag isn't working. Making all in . make[1]: Entering directory `/root/appz/php-4.1.2' /bin/sh /root/appz/php-4.1.2/libtool --silent --mode=link gcc -I. -I/root/appz/php-4.1.2/ -I/root/appz/php-4.1.2/main -I/root/appz/php-4.1.2 -I/root/appz/php-4.1.2/Zend -I/usr/local/include -I/usr/local/mysql/include -I/root/appz/php-4.1.2/ext/xml/expat -I/root/appz/php-4.1.2/TSRM -g -O2 -o php -export-dynamic stub.lo libphp4.la /usr/local/mysql/lib/libmysqlclient.a(my_compress.o): In function `my_uncompress': my_compress.o(.text+0x9a): undefined reference to `uncompress' /usr/local/mysql/lib/libmysqlclient.a(my_compress.o): In function `my_compress_alloc': my_compress.o(.text+0x12a): undefined reference to `compress' collect2: ld returned 1 exit status make[1]: *** [php] Error 1 make[1]: Leaving directory `/root/appz/php-4.1.2' make: *** [all-recursive] Error 1 Can anyone guess what's going on?