Hello; I'm having difficulties in compiling php-5.3.29 source from php.net using CentOS 7. I need to bring my PHP development and production environment forward from PHP 5.3.3 which is using an abandoned php-template application from sourceforge. Since I need to do this in stages (it would be nice if I could just install the CentOS 7 php and apache versions with the "best" current php templates engines and make the developers change the php code to make it work, but that is not my option!) I need to get php-5.3.29 compiled on CentOS 7. I'm using the configure syntax derived from the output of "php -i" executed on the current development environment. I've had to install some additional "*-devel" packages and I make it further in the configure dance, but I've come to a point where I need additional help. My current problem: "configure: error: DBA: Could not find necessary header file(s)." I can provide the configure syntax I'm using if that will help you all help me. I've asked on one of the PHP mailing lists and have received good help up to this point, but I was wondering if there are some tips and hints that might come from those who are experts at this from the CentOS side rather than those who are experts from the PHP side. Thanks in advance, Ken Wolcott