ruby 2 question

[Orion Poplawski]

I get the following build (actually install) error building mysql-ruby:

Executing(%install): /bin/sh -e /var/tmp/rpm-tmp.D2sqcQ
+ umask 022
+ cd /builddir/build/BUILD
+ '[' /builddir/build/BUILDROOT/ruby-mysql-2.8.2-9.fc20.i386 '!=' / ']'
+ rm -rf /builddir/build/BUILDROOT/ruby-mysql-2.8.2-9.fc20.i386
++ dirname /builddir/build/BUILDROOT/ruby-mysql-2.8.2-9.fc20.i386
+ mkdir -p /builddir/build/BUILDROOT
+ mkdir /builddir/build/BUILDROOT/ruby-mysql-2.8.2-9.fc20.i386
+ cd mysql-ruby-2.8.2
+ rm -rf /builddir/build/BUILDROOT/ruby-mysql-2.8.2-9.fc20.i386
+ env DESTDIR=/builddir/build/BUILDROOT/ruby-mysql-2.8.2-9.fc20.i386 make install
make: *** No rule to make target 
`/builddir/build/BUILDROOT/ruby-mysql-2.8.2-9.fc20.i386/usr/include/ruby.h', 
needed by `mysql.o'.  Stop.


What the heck?  mysql-ruby does nothing but:

mysql.c:#include <ruby.h>

-- 
Orion Poplawski
Technical Manager                     303-415-9701 x222
NWRA, Boulder Office                  FAX: 303-415-9702
3380 Mitchell Lane                       orion at nwra.com
Boulder, CO 80301                   http://www.nwra.com