dnl These modifications are to allow for an empty cross compiler tree. dnl In the situation that cross-linking is impossible, the variable dnl `cross_linkable' will be substituted with "yes". AC_DEFUN([hurd_SYSTYPE], [AC_REQUIRE([AC_CANONICAL_HOST])dnl case "$host_cpu" in i[[3456]]86) systype=i386 ;; *) systype="$host_cpu" ;; esac AC_SUBST([systype])])