Tweak the default config to get installbuilddir right.
Upstream-Status: should really make the "RedHat" layout DTRT again and
use that layout instead
--- httpd-2.1.10/config.layout.layout
+++ httpd-2.1.10/config.layout
@@ -20,7 +20,7 @@
mandir: ${prefix}/man
sysconfdir: ${prefix}/conf
datadir: ${prefix}
- installbuilddir: ${datadir}/build
+ installbuilddir: ${libdir}/httpd/build
errordir: ${datadir}/error
iconsdir: ${datadir}/icons
htdocsdir: ${datadir}/htdocs