diff --git a/README.md b/README.md index 09c149fd2..6b8e3839f 100644 --- a/README.md +++ b/README.md @@ -44,13 +44,32 @@ bash -c './hello.com' # zsh/fish workaround (we upstreamed a patch) So if you intend to copy the binary to Windows or Mac then please do that before you run it, not after. -If you're developing on Windows or MacOS then you need to download an +### MacOS + +If you're developing on MacOS you can install the GNU compiler +collection for x86_64-elf via homebrew: + +```sh +brew install x86_64-elf-gcc +``` + +Then in the above scripts just replace `gcc` and `objcopy` with +`x86_64-elf-gcc` and `x86_64-elf-objcopy` to compile your APE binary. + +### Windows + +If you're developing on Windows then you need to download an x86_64-pc-linux-gnu toolchain beforehand. See the [Compiling on Windows](https://justine.lol/cosmopolitan/windows-compiling.html) tutorial. It's needed because the ELF object format is what makes universal binaries possible. -Cosmopolitan can also be compiled from source on any Linux distro. +## Source Builds + +Cosmopolitan can be compiled from source on any Linux distro. GNU make +needs to be installed beforehand. This is a freestanding hermetic +repository that bootstraps using a vendored static gcc9 executable. +No further dependencies are required. ```sh wget https://justine.lol/cosmopolitan/cosmopolitan-0.3.tar.gz