OSX compilation: -bundle' not allowed with '-dynamiclib'

[unbalancedparentheses]

I am getting this error when compiling the nif

Applications/Xcode.app/Contents/Developer/usr/bin/make -f c_src/Makefile.erlang.mk
cc -c -o c_src/async_queue.o c_src/async_queue.c  -finline-functions -Wall -fPIC -I /usr/local/Cellar/erlang/18.1/lib/erlang/erts-7.1/include -I /usr/local/Cellar/erlang/18.1/lib/erlang/lib/erl_interface-3.8/include -Ic_src -Wall -fPIC -finline-functions -Wall -fPIC -I /usr/local/Cellar/erlang/18.1/lib/erlang/erts-7.1/include -I /usr/local/Cellar/erlang/18.1/lib/erlang/lib/erl_interface-3.8/include
clang: warning: optimization flag '-finline-functions' is not supported
clang: warning: optimization flag '-finline-functions' is not supported
clang: warning: argument unused during compilation: '-finline-functions'
clang: warning: argument unused during compilation: '-finline-functions'
cc -c -o c_src/bcrypt.o c_src/bcrypt.c  -finline-functions -Wall -fPIC -I /usr/local/Cellar/erlang/18.1/lib/erlang/erts-7.1/include -I /usr/local/Cellar/erlang/18.1/lib/erlang/lib/erl_interface-3.8/include -Ic_src -Wall -fPIC -finline-functions -Wall -fPIC -I /usr/local/Cellar/erlang/18.1/lib/erlang/erts-7.1/include -I /usr/local/Cellar/erlang/18.1/lib/erlang/lib/erl_interface-3.8/include
clang: warning: optimization flag '-finline-functions' is not supported
clang: warning: optimization flag '-finline-functions' is not supported
clang: warning: argument unused during compilation: '-finline-functions'
clang: warning: argument unused during compilation: '-finline-functions'
cc -c -o c_src/bcrypt_nif.o c_src/bcrypt_nif.c  -finline-functions -Wall -fPIC -I /usr/local/Cellar/erlang/18.1/lib/erlang/erts-7.1/include -I /usr/local/Cellar/erlang/18.1/lib/erlang/lib/erl_interface-3.8/include -Ic_src -Wall -fPIC -finline-functions -Wall -fPIC -I /usr/local/Cellar/erlang/18.1/lib/erlang/erts-7.1/include -I /usr/local/Cellar/erlang/18.1/lib/erlang/lib/erl_interface-3.8/include
clang: warning: optimization flag '-finline-functions' is not supported
clang: warning: optimization flag '-finline-functions' is not supported
clang: warning: argument unused during compilation: '-finline-functions'
clang: warning: argument unused during compilation: '-finline-functions'
cc -c -o c_src/bcrypt_port.o c_src/bcrypt_port.c  -finline-functions -Wall -fPIC -I /usr/local/Cellar/erlang/18.1/lib/erlang/erts-7.1/include -I /usr/local/Cellar/erlang/18.1/lib/erlang/lib/erl_interface-3.8/include -Ic_src -Wall -fPIC -finline-functions -Wall -fPIC -I /usr/local/Cellar/erlang/18.1/lib/erlang/erts-7.1/include -I /usr/local/Cellar/erlang/18.1/lib/erlang/lib/erl_interface-3.8/include
clang: warning: optimization flag '-finline-functions' is not supported
clang: warning: optimization flag '-finline-functions' is not supported
clang: warning: argument unused during compilation: '-finline-functions'
clang: warning: argument unused during compilation: '-finline-functions'
cc -c -o c_src/blowfish.o c_src/blowfish.c  -finline-functions -Wall -fPIC -I /usr/local/Cellar/erlang/18.1/lib/erlang/erts-7.1/include -I /usr/local/Cellar/erlang/18.1/lib/erlang/lib/erl_interface-3.8/include -Ic_src -Wall -fPIC -finline-functions -Wall -fPIC -I /usr/local/Cellar/erlang/18.1/lib/erlang/erts-7.1/include -I /usr/local/Cellar/erlang/18.1/lib/erlang/lib/erl_interface-3.8/include
clang: warning: optimization flag '-finline-functions' is not supported
clang: warning: optimization flag '-finline-functions' is not supported
clang: warning: argument unused during compilation: '-finline-functions'
clang: warning: argument unused during compilation: '-finline-functions'
cc -o priv/bcrypt_nif.so c_src/async_queue.o c_src/bcrypt.o c_src/bcrypt_nif.o c_src/bcrypt_port.o c_src/blowfish.o -flat_namespace -undefined suppress -L /usr/local/Cellar/erlang/18.1/lib/erlang/lib/erl_interface-3.8/lib -lerl_interface -lei -bundle -flat_namespace -undefined suppress -L /usr/local/Cellar/erlang/18.1/lib/erlang/lib/erl_interface-3.8/lib -lerl_interface -lei -lpthread  -shared
clang: error: invalid argument '-bundle' not allowed with '-dynamiclib'
make[2]: *** [priv/bcrypt_nif.so] Error 1
make[1]: *** [pre-app] Error 2