Find bugs in JavaScript programs.

Building quick-lint-js on macOS from source

On macOS, you can build quick-lint-js using one of the following build systems:

Building with Homebrew CMake, Ninja, and Clang/LLVM

0. Install Homebrew packages

Install LLVM, CMake, and Ninja using Homebrew by running the following command:

brew install cmake llvm ninja

1. Configure with CMake

Run the following command to use Homebrew’s version of LLVM and create a directory called build:

PATH="$(brew --prefix)/opt/llvm/bin:$PATH" \
  CC=clang \
  CXX=clang++ \
  CPPFLAGS="-I$(brew --prefix)/opt/llvm/include" \
  LDFLAGS="-L$(brew --prefix)/opt/llvm/lib" \

2. Build

Run the following command to build the quick-lint-js executable, quick-lint-js’ tests, and quick-lint-js’ benchmarks:

ninja -C build

If you only want to build the quick-lint-js executable:

ninja -C build quick-lint-js

If you only want to build quick-lint-js’ tests:

ninja -C build quick-lint-js-test

3. Run

Run the following command to run quick-lint-js’ test suite:


If you want to run the quick-lint-js program:

./build/quick-lint-js --help