Ubuntu 18.04 fails to build bison 3.7

  CCLD     src/bison
src/bison-complain.o: In function `warnings_print_categories':
/usr/local/src/Gnu/bison-3.7/src/complain.c:457: undefined reference to `ostream_printf'
src/bison-complain.o: In function `end_hyperlink':
/usr/local/src/Gnu/bison-3.7/src/complain.c:117: undefined reference to `styled_ostream_set_hyperlink'
src/bison-complain.o: In function `begin_hyperlink':
/usr/local/src/Gnu/bison-3.7/src/complain.c:110: undefined reference to `styled_ostream_set_hyperlink'
collect2: error: ld returned 1 exit status
Makefile:4327: recipe for target 'src/bison' failed
make: *** [src/bison] Error 1

Please cc me on replies as I'm not on the bug-bison list.

Thanks,

Arnold