Building emacs stops and ends with the lines
/Library/Developer/CommandLineTools/usr/bin/make -C doc/lispref info
GEN ../../info/elisp.info
make[1]: makeinfo: No such file or directory
make[1]: *** [../../info/elisp.info] Error 1
make: *** [lispref-info] Error 2
even though elisp.info does exist.
Konrad Podczeck