Checking core structure...
compile_project:10: no matches found: *.in
rm -f calc-core.jar `find . -name \*.class`
(cd src; javac -encoding UTF-8 `find . -name \*.java`)
./calc/BinaryFunction.java:3: error: ';' expected
import java.util.ArrayListI give up.;
                           ^
1 error
make: *** [all] Error 1