-echo CFLAGS="-g" ./autogen.sh "--datadir=$dir/data" --enable-gtk-doc
-CFLAGS="-g" ./autogen.sh "--datadir=$dir/data" --enable-gtk-doc
+CFLAGS="-g -Werror -Wno-unused" \
+./autogen.sh \
+ "--libdir=$dir/src/plugins" \
+ "--datadir=$dir/data" \
+ --enable-gtk-doc