Building RPM error, please help

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This may be the completely wrong place for this, but I couldn't figure out where it should go...

I'm building an rpm of the newest php (5.1.5) on Redhat ES4 and keep getting this error in the install portion:

[code]apxs:Error: Config file /var/tmp/php-root/etc/httpd/conf/httpd.conf not found.
make: *** [install-sapi] Error 1
[/code]

I can't find any reference to httpd.conf in my spec file.  I think, upon inspection, that my apxs is fine, but I could be wrong.  That file definitely is not there (/var/tmp/php-root/etc/httpd/conf/ is empty).  If I get the spec file to copy it into that dir from the live location (/etc/httpd/conf/httpd.conf), I get the same problem.

I really feel like I am banging my head against the wall, so any pointers would be much appreciated.

My spec file is 500 lines, so I don't want to post the whole thing unless someone specifically asks.  I've tried 2 different ones.  I took a fedora core 5 php 5.1.4 rpm spec file and editted and tried that, and the latest I could find for a RHEL4 rpm, which was 4.2.3.  Both give the identical error in the identical location.  The build does complete, as does the ./configure <args> and make by hand...it's the install part having problems.

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ok, I did find the right spot in the spec file where I can copy my .conf file over.  And now I'm almost done...then I get this
[code]RPM build errors:
    File not found: /var/tmp/php-root/usr/lib/php/build[/code]

Does this mean I need php-devel to build a php rpm?