Building Mac OS X Emacs 26

On 11 Oct 2017 Emacs 26.0.90 pretest was released. For Mac, there's a build on I have been using the "Mac port" from Mitsuharu Yamamoto because it feels smoother and faster on my system, and I decided to try his development branch. Here's what I ran:

brew install gnutls texinfo libxml2
cd ~/Projects/src
git clone --branch work --depth 1
cd emacs-mac
export PATH=/usr/local/opt/texinfo/bin/:$PATH
export PKG_CONFIG_PATH=/usr/local/opt/libxml2/lib/pkgconfig
./configure --with-mac \
     --prefix=/PersonalApplications/ \
make install

It runs nicely!

A minor note: the byte-compiled .elc files compiled under Emacs 26 are not compatible with Emacs 25, so if you go back to an older version, you'll need to recompile the .elc files.

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