[root@proxy php-4.0.0]# make
Making all in Zend
make[1]: Entering directory `/home/php-4.0.0/Zend'
/bin/sh ../libtool --silent --mode=compile gcc -DHAVE_CONFIG_H -I. -I. -I..   -DXML_BYTE_ORDER=12  -g -O2  -Wall -c zend-scanner.c
./zend-scanner.l: In function `lex_scan':
./zend-scanner.l:1134: `ERANGE' undeclared (first use in this function)
./zend-scanner.l:1134: (Each undeclared identifier is reported only once
./zend-scanner.l:1134: for each function it appears in.)
zend-scanner.c:3557: warning: `yy_cp' might be used uninitialized in this function
zend-scanner.c:3557: warning: `yy_bp' might be used uninitialized in this function
zend-scanner.c: At top level:
zend-scanner.c:5766: warning: `yy_fatal_error' defined but not used
zend-scanner.c:5751: warning: `yy_top_state' defined but not used
make[1]: *** [zend-scanner.lo] Error 1
make[1]: Leaving directory `/home/php-4.0.0/Zend'
make: *** [all-recursive] Error 1
Why????