--- a/ethercat.spec.in	Wed Feb 17 18:16:54 2010 +0100
+++ b/ethercat.spec.in	Wed Feb 17 18:18:56 2010 +0100
@@ -76,7 +76,7 @@
 %setup
 
 %build
-%configure --enable-tty --enable-generic \
+%configure --enable-tty --enable-generic --enable-e100 \
     --with-linux-dir=/usr/src/linux-obj/%_target_cpu/default
 make
 mkdir obj