basic configure to create the php module:

./configure \
--prefix=/usr/local/php-5.x.x \
--with-mysql=/usr/local/mysql \
--with-apxs2=/usr/local/apache/current/bin/apxs \
--with-config-file-path=/usr/local/apache/current/conf \
--disable-debug --enable-memory-limit=yes  \
--with-zlib \
--with-gd --with-jpeg --with-jpeg-dir=/usr/lib \
--with-freetype-dir=/usr/lib --with-freetype \
--with-libexpat-dir=/usr/src/expat-1.95.8