MBSE BBS package build error

This is causing errors in debian/rules:

• if at begining columnet - debian/rules:49: *** missing separator.  Stop.
• if at same column as clean target contents:  /bin/sh: ifneq: command not found

ifneq "$(wildcard /usr/share/misc/config.sub)" ""
    cp -f /usr/share/misc/config.sub config.sub
endif
ifneq "$(wildcard /usr/share/misc/config.guess)" ""
    cp -f /usr/share/misc/config.guess config.guess
endif