errors during compilation: posix functions

I'm getting this error when I try to compile, is someone working on posix code right now. -DXML_BYTE_ORDER=21 -I../TSRM -g -O2 -pthreads -c posix.c posix.c: In function `php_if_posix_mkfifo': posix.c:667: `core_globals' undeclared (first use in this function) posix.c:667: (Each undeclared identifier is reported only once posix.c:667: for each function it appears in.) make[3]: *** [posix.lo] Error 1 make[3]: Leaving directory `/raidb4/temp/php4/ext/posix' make[2]: *** [all-recursive] Error 1 make[2]: Leaving directory `/raidb4/temp/php4/ext/posix' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/raidb4/temp/php4/ext' make: *** [all-recursive] Error 1 Thanks Mark