ld: warning: option -s is obsolete and being ignored
ld: unknown option: -O
clang: error: linker command failed with exit code 1 (use -v to see invocation)

ld: warning: directory not found for option '-L/opt/local/lib'
ld: library not found for -lcrt0.o
clang: error: linker command failed with exit code 1 (use -v to see invocation)

INCLUDE = "/opt/local/include;/usr/include";
LIB = "/opt/local/lib;/usr/lib";