Compile problem in SCO Open Server

I am using SCO 5 OpenServer and Apache 1.3.14 I am trying to compile php-4.0.4pl1 and I receive this error message: Making all in Zend Making all in main Making all in ext Making all in mysql cc -I. -I/u/Software/PHP/php-4.0.4pl1/ext/mysql -I/u/Software/PHP/php-4 .0.4pl1/main -I/u/Software/PHP/php-4.0.4pl1 -I/Software/Apache/apache_1.3.14 /src /include -I/Software/Apache/apache_1.3.14/src/os/unix -I/u/Software/PHP/php- 4.0. 4pl1/Zend -I/usr/local/mysql/include -I/u/Software/PHP/php-4.0.4pl1/ext/xml/ expa t/xmltok -I/u/Software/PHP/php-4.0.4pl1/ext/xml/expat/xmlparse -I/u/Software /PHP /php-4.0.4pl1/TSRM -DXML_BYTE_ORDER=12 -g -belf -c php_mysql.c && touch php_my sql.lo "/usr/local/mysql/include/mysql.h", line 100: error: invalid type combination "php_mysql.c", line 164: warning: no macro replacement within a string literal *** Error code 1 (bu21) *** Error code 1 (bu21) *** Error code 1 (bu21) *** Error code 1 (bu21) Any ideas ? Thanks -- Ing. Gerardo Blanco Vazquez www.gatelink.net gblanco@gatelink.net