pre-html.o(.text+0x590): In function `make_message(char const*, ...)':
: undefined reference to `vsnprintf(char*, unsigned, char const*, __va_list)'
collect2: ld returned 1 exit status
.. Stop.
nbmake: stopped in /export/20050707/checkout/src/gnu/usr.bin/groff/src/preproc/html

＠ google で一か月前の日記を見つける: