git clone git://git.savannah.gnu.org/emacs.git
cd emacs
git checkout emacs-28 # 以emacs 28为例，你可以切换到其他的branch

brew install libgccjit

./autogen.sh

./configure \
--without-xpm \
--with-imagemagick \
--without-gsettings \
--without-selinux  \
--with-json \
--with-native-compilation \
--with-xwidgets 

make -j4
make install
``
`
### 测试

open nextstep/Emacs.app

open -R nextstep/Emacs.app ```

Emacs 28 新特性介绍