Error 1: objs_monero/bytes_to_words.o: No such file or directory

[kenorb]

$ make
clang++ -arch x86_64 -mmacosx-version-min=10.11 -std=c++11 -O2  -I./monero/src -I./monero/src/crypto -I./monero/src/mnemonics -I./boost/1.56.0/include -c bytes_to_words.cpp -o objs_monero/bytes_to_words.o
clang++ -arch x86_64 -mmacosx-version-min=10.11 -std=c++11 -O2  -I./monero/src -I./monero/src/crypto -I./monero/src/mnemonics -I./boost/1.56.0/include -c bytes_to_words.cpp -o objs_monero/bytes_to_words.o: No such file or directory.
make: *** [Makefile:103: objs_monero/bytes_to_words.o] Error 1

• OS: Ubuntu