nsapi make error

I am trying to compile PHP as a plugin for a netscape/iplanet 4.1 webserver. Here is how I run configure: $ env CC=cc ./configure --with-nsapi=/web/iplanet/es.4.1sp3 That goes fine. Then I run make and here's the error I get: ----------------- output ---------------------------------- $ make Making all in Zend /bin/sh ../libtool --silent --mode=compile c++ -DHAVE_CONFIG_H -I. - -I. -I.. -D_THREAD_SAFE -DXML_BYTE_ORDER=21 -I../TSRM -g -O2 -c zend-sca nner-cc.cc In file included from ../TSRM/TSRM.h:36, from zend_globals.h:39, from zend_compile.h:208, from zend-scanner-cc.cc:2565: /usr/include/pthread.h:113: warning: missing white space after `#define PTH READ_MUTEX_INITIALIZER' /usr/include/pthread.h:128: warning: missing white space after `#define PTH READ_COND_INITIALIZER' /usr/include/pthread.h:147: warning: missing white space after `#define PTH READ_RWLOCK_INITIALIZER' /usr/include/pthread.h:157: warning: missing white space after `#define PTH READ_ONCE_INIT' In file included from /usr/include/sys/pri.h:29, from /usr/include/sys/sched.h:38, from /usr/include/sched.h:52, from /usr/include/pthread.h:43, from ../TSRM/TSRM.h:36, from zend_globals.h:39, from zend_compile.h:208, from zend-scanner-cc.cc:2565: /usr/include/sys/proc.h:203: syntax error before `;' /usr/include/sys/proc.h:212: syntax error before `;' make: 1254-004 The error code from the last command is 1. Stop. make: 1254-004 The error code from the last command is 1. ---------------------------------------------------------------- Why is it trying to compile the zend-scanner-cc and making all in Zend when I am making a nsapi? What am I doing wrong? Thanks.....Paul