mirror of
https://github.com/jimeh/build-emacs-for-macos.git
synced 2026-02-19 13:06:38 +00:00
Jim Myhrberg
7986e89623
Also embed various dylib libraries directly into the application, so they're not required to be installed via Homebrew for the app to work.
93 lines
3.3 KiB
Markdown
93 lines
3.3 KiB
Markdown
# build-emacs-for-macos
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Use this script at your own risk. As of writing (2020-02-02) it works for me on
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my own machine to build the `emacs-27` release branch. My machine is a late-2016
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13-inch Touchbar MacBook Pro runnning macOS 10.15.2 and Xcode 11.3.
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Your luck may vary.
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The build produced does have some limitations:
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- It is not a universal application. The CPU architecture of the built
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application will be that of the machine it was built on.
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- The minimum required macOS version of the built application will be the same
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as that of the machine it was built on.
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## Why?
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- To use new features available from master or pre-release branches, which have
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not made it into a official stable release yet.
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- Homebrew builds of Emacs are not self-contained applications, making it very
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difficult when doing HEAD builds and you need to rollback to a earlier
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version.
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- Builds from [emacsformacosx.com](https://emacsformacosx.com/) has had no new
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nightly builds for two months right now.
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- Both Homebrew HEAD builds, and nightly builds from emacsformacosx.com are
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built from the `master` branch. This script allows you to choose any branch
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you want. I am currently building from the `emacs-27` branch which is the
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basis of the upcoming Emacs 27 release, meaning it should be more stable than
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`master` builds.
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## Requirements
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- [Xcode](https://apps.apple.com/gb/app/xcode/id497799835?mt=12)
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- [Homebrew](https://brew.sh/)
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- All Homebrew formula listed in the `Brewfile`, which can all easily be
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installed by running:
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```
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brew bundle
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```
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## Usage
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Then to download a tarball of the `master` branch, build Emacs.app:
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./build-emacs-for-macos
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If you want to build the `emacs-27` git branch, run:
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./build-emacs-for-macos emacs-27
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If you want to build the stable `emacs-26.3` git tag, run:
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./build-emacs-for-macos emacs-26.3
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Resulting applications are saved to the `builds` directory in a bzip2 compressed
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tarball.
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## Internals
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The script downloads the source code as a gzipped tar archive from the [GitHub
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mirror](https://github.com/emacs-mirror/emacs) repository, as it makes it very
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easy to get a tarball of any given git reference.
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It then runs `./configure` with a various options, partly based on what [David
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Caldwell](https://github.com/caldwell)'s
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[build-emacs](https://github.com/caldwell/build-emacs) scripts do, including
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copying various dynamic libraries into the application itself. So the built
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application should in theory run on a macOS install that does not have homebrew,
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or do no have the relevant brew formula installed.
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Code quality, is well, non-existent. The build script started life a super-quick
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hack back in 2013, and now it's even more of a dirty hack. I might clean it up
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and add unit tests if I end up relying on this script for a prolonged period of
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time. For now I plan to use it until Emacs 27 is officially released.
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## License
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```
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DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
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Version 2, December 2004
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Copyright (C) 2020 Jim Myhrberg
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Everyone is permitted to copy and distribute verbatim or modified
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copies of this license document, and changing it is allowed as long
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as the name is changed.
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DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
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TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
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0. You just DO WHAT THE FUCK YOU WANT TO.
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```
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