build fails on Mac OS X El Capitan
Created by: sumproxy
Here's the output log:
mkdir -p build/x86_64
rustc --target=x86_64-unknown-redox.json -C no-prepopulate-passes -C no-vectorize-loops -C no-vectorize-slp -C no-stack-check -C opt-level=2 -Z no-landing-pads -A dead-code -A deprecated -L build/x86_64 -C ar=x86_64-elf-ar -C linker=x86_64-elf-linker -o build/x86_64/libcore.rlib rust/libcore/lib.rs
error: could not exec `x86_64-elf-ar`: No such file or directory (os error 2)
make: *** [build/x86_64/libcore.rlib] Error 101