PHP complains of ulong redefinition ...

Hi, PHP is complaining of a redefinition during the compilation of ext/mysql/ Here is the exact error... Any ideas on what I can do to get around this? Thanks for any response. $Kevin ... Making all in mysql make[2]: Entering directory `/opt/php/ext/mysql' Making all in libmysql make[3]: Entering directory `/opt/php/ext/mysql/libmysql' make[4]: Entering directory `/opt/php/ext/mysql/libmysql' /bin/sh /opt/php/libtool --silent --mode=compile gcc -I. -I/opt/php/ext/mysql/libmysql -I/opt/php /main -I/opt/php -I/usr/local/apache2/include -I/opt/php/Zend -I/opt/php/ext /mysql/libmysql -I/opt /php/ext/xml/expat -I/opt/php/TSRM -DTHREAD=1 -g -O2 -DZTS -prefer-pic -c libmysql.c In file included from libmysql.c:5: global.h:590: redefinition of `ulong' global.h:258: `ulong' previously declared here make[4]: *** [libmysql.lo] Error 1 make[4]: Leaving directory `/opt/php/ext/mysql/libmysql' make[3]: *** [all-recursive] Error 1 make[3]: Leaving directory `/opt/php/ext/mysql/libmysql' make[2]: *** [all-recursive] Error 1 make[2]: Leaving directory `/opt/php/ext/mysql' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/opt/php/ext' make: *** [all-recursive] Error 1