nightly build error

[<don...@is...>]

ends like this:
====
rm -f COPYRIGHT
ln -s ../COPYRIGHT COPYRIGHT
rm -f GNU-GPL
ln -s ../GNU-GPL GNU-GPL
rm -f SUMMARY
ln -s ../SUMMARY SUMMARY
ln -s ../src/NEWS NEWS
./txt2c -I../src// < ../src/_README > txt.c
Could not open include file ../src//src/_README.en
make: *** [README] Error 1