Link errors when building on linux

[pedro-w]

I get the following errors when building the current git code using the v2014.1 compiler.

LinkEXE /tmp/opendylan/Bootstrap.2/bin/dylan-compiler : _main.c
/tmp/opendylan/Bootstrap.2/lib/libdylan.so: undefined reference to `TYPE_CHECK_ARGS_8'
/tmp/opendylan/Bootstrap.2/lib/libdylan.so: undefined reference to `TYPE_CHECK_ARGS_7'
/tmp/opendylan/Bootstrap.2/lib/libdylan.so: undefined reference to `TYPE_CHECK_ARGS_5'
/tmp/opendylan/Bootstrap.2/lib/libdylan.so: undefined reference to `process_keyword_call_into'
/tmp/opendylan/Bootstrap.2/lib/libdylan.so: undefined reference to `TYPE_CHECK_ARGS_9'
/tmp/opendylan/Bootstrap.2/lib/libdylan.so: undefined reference to `TYPE_CHECK_ARGS_6'

collect2: error: ld returned 1 exit status

Linux Lubuntu 17.10 64-bit, gcc 7.2