From lilypond-test.log:
/home/gub/NewGub/gub/target/tools/root/usr/lib/libffi.so.6: undefined reference to `__stack_chk_fail@GLIBC_2.4' /home/gub/NewGub/gub/target/tools/root/usr/lib/libffi.so.6: undefined reference to `mkostemp@GLIBC_2.7'
collect2: error: ld returned 1 exit status make[1]: *** [out/lilypond] Error 1 -- Phil Holmes
