dio is broken

Hi, on FreeBSD 4.4 I get these errors when building PHP_4_2_0 --enable-dio. Making all in dio gcc -I. -I/mnt/data/cvs/php_4_2_0/ext/dio -I/mnt/data/cvs/php_4_2_0/main -I/mnt/data/cvs/php_4_2_0 -I/mnt/data/cvs/php_4_2_0/Zend -I/usr/local/include/libxml2 -I/mnt/data/cvs/php_4_2_0/ext/mysql/libmysql -I/mnt/data/cvs/php_4_2_0/ext/xml/expat -I/usr/local/include -I/mnt/data/cvs/php_4_2_0/TSRM -g -O2 -c dio.c && touch dio.lo dio.c: In function `zm_startup_dio': dio.c:90: `O_SYNC' undeclared (first use in this function) dio.c:90: (Each undeclared identifier is reported only once dio.c:90: for each function it appears in.) *** Error code 1 Stop in /mnt/data/cvs/php_4_2_0/ext/dio. *** Error code 1 Stop in /mnt/data/cvs/php_4_2_0/ext/dio. *** Error code 1 Stop in /mnt/data/cvs/php_4_2_0/ext. *** Error code 1 Stop in /mnt/data/cvs/php_4_2_0. jan@reifen /mnt/data/cvs/php_4_2_0> Jan -- Q: Thank Jan? A: http://geschenke.an.dasmoped.net/