Erro compiling PHP on solaris 8 with NSAPI

Hi, I'm trying to compile PHP4 on a sparc solaris 8 machine but, I can't for this error: Making all in Zend /bin/sh ../libtool --silent --mode=compile g++ -DHAVE_CONFIG_H -I. -I. -I../main -D_POSIX_PTHREAD_SEMANTICS -D_POSIX_PTHREAD_SEMANTICS -D_REENTRANT -DXML_BYTE_ORDER=21 -I../TSRM -g -O2 -pthreads -c zend_language_scanner_cc.cc In file included from zend_language_scanner_cc.cc:2571: zend_operators.h: In function `int is_numeric_string(char *, int, long int *, double *)': zend_operators.h:84: implicit declaration of function `int finite(...)' *** Error code 1 make: Fatal error: Command failed for target `zend_language_scanner_cc.lo' Current working directory /usr/local/distrib/php-4.0.4pl1/Zend *** Error code 1 make: Fatal error: Command failed for target `all-recursive' I have a gcc 2.95.2 compiler, and my config.nice file is: #! /bin/sh # # Created by configure "./configure" \ "--enable-trans-id" \ "--enable-libgcc" \ "--enable-sigchild" \ "--enable-sysvsem" \ "--enable-sysvshm" \ "--with-nsapi=/usr/netscape/server4/" \ "--with-ldap=/usr/netscape/ldapsdk" \ "--with-informix" \ "--without-mysql" \ "--enable-discard-path" \ "$@" I'm reading the lists archive but I can't found nohing about this. ;(( Please... help me.... I try another options, but with same result. Thankx, in advance, and sorry for my english. Justo.