MacOS

Lem 2.1 was released! It provides binaries for Linux, MacOS and Windows.

Copy the app file to the applications folder and type the following in your terminal:

xattr -d com.apple.quarantine /Applications/lem.app

• sbcl
• sdl2
• qlot
• git

• Using HomeBrew https://brew.sh/

brew install sbcl sdl2 sdl2_image sdl2_ttf

• Automatic installer

curl -L https://qlot.tech/installer | bash

For an alternative installation, https://github.com/fukamachi/qlot#installation

• Create the directories

mkdir $HOME/common-lisp
cd $HOME/common-lisp
git clone https://github.com/lem-project/lem.git
cd lem && make sdl2

• Copying the PATH to ~/.bashrc

export PATH="$HOME/common-lisp/lem:$PATH"

If your keyboard is a JIS layout, you need to put the following settings in $HOME/.lem/init.lisp

#+lem-sdl2
(lem-sdl2:set-keyboard-layout :jis)