dnl Search PATH for a working gob2 utility with the given minimum version,
dnl which may be empty to accept any version. If found, the GOB2 variable
dnl (which is substituted with AC_SUBST) is set with the result, and
dnl Search PATH for a working gob2 utility with the given minimum version,
dnl which may be empty to accept any version. If found, the GOB2 variable
dnl (which is substituted with AC_SUBST) is set with the result, and