Speedup rust build on macos with sold linker

readme.md

Install mold linker on macos

Build

cd /tmp
git clone https://github.com/bluewhalesystems/sold.git
cd sold

cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_COMPILER=clang -B build
cmake --build build -j$(nproc)
sudo cmake --build build --target install
cd ..
rm -rf sold

Add to cargo config

which ld64.sold

code ~/.cargo/config.toml

[target.aarch64-apple-darwin]
rustflags = ["-C", "link-arg=-fuse-ld=/usr/local/bin/ld64.sold"]

Build your program

cargo build