Compile error in zend php403pl1

I am running Redhat 6.1 Linux x86 Thank you for using PHP. starting make for php Making all in Zend make[1]: Entering directory `/usr/local/src/apachephpmysql2000/php-4.0.3pl1/Zend' /bin/sh ../libtool --silent --mode=compile gcc -DHAVE_CONFIG_H -I. -I. -I.. -DXML_BYTE_ORDER=12 -g -O2 -c zend-scanner.c zend_operators.h: In function `is_numeric_string': In file included from zend-scanner.c:2628: zend_operators.h:73: `ERANGE' undeclared (first use in this function) zend_operators.h:73: (Each undeclared identifier is reported only once zend_operators.h:73: for each function it appears in.) zend-scanner.c: In function `lex_scan': zend-scanner.c:3983: `ERANGE' undeclared (first use in this function) make[1]: *** [zend-scanner.lo] Error 1 make[1]: Leaving directory `/usr/local/src/apachephpmysql2000/php-4.0.3pl1/Zend' make: *** [all-recursive] Error 1 end of make for php, changing to apache directory ./configure --with-mysql=/usr --with-apache=../apache_1.3.14 #--enable-track-vars=yes \ #--with-ttf --enable-t1lib \ #--with-zlib --with-jpeg-dir=/usr/local --with-tiff-dir=/usr \ #--enable-bcmath=yes --with-gd --with-xml \ #--with-imap=/usr --enable-versioning --with-ftp \ #--with-pdflib=/usr/local/lib \ #--x-include=/usr/X11R6 --x-libraries=/usr/X11R6/lib