Hmms.. configure && make worked quite nicely for me on Mac OS Mountain Lion.
run "$SCRIPT_DIR/build-hidutils.sh" "$1" ppc 10.4 gcc40 $2 run "$SCRIPT_DIR/build-hidutils.sh" "$1" i386 10.4 gcc40 $2 run "$SCRIPT_DIR/build-hidutils.sh" "$1" ppc 10.5 gcc40 $2 run "$SCRIPT_DIR/build-hidutils.sh" "$1" i386 10.5 gcc40 $2 run "$SCRIPT_DIR/build-hidutils.sh" "$1" i386 10.6 gcc42 $2 run "$SCRIPT_DIR/build-hidutils.sh" "$1" x86_64 10.6 gcc42 $2 run "$SCRIPT_DIR/build-hidutils.sh" "$1" i386 10.6 clang $2 run "$SCRIPT_DIR/build-hidutils.sh" "$1" x86_64 10.6 clang $2