where's apr-config

To: <fedora-list@xxxxxxxxxx>
Subject: where's apr-config
From: "Mike Carifio" <carifio@xxxxxxxx>
Date: Fri, 1 Jul 2005 23:38:35 -0400
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I'm trying to build mod_ruby. /usr/bin/apr-config appears missing on FC4.
How do I install it? Alternatively, a mod_ruby rpm i386 will do it. Tx.