HAVE_MKFIFO        26 maint/gnulib/lib/mkfifo.c #if !HAVE_MKFIFO
HAVE_MKFIFO        62 maint/gnulib/lib/mkfifoat.c # if !HAVE_MKFIFO
HAVE_MKFIFO       699 maint/gnulib/lib/sys_stat.in.h #  if !@HAVE_MKFIFO@