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BUILD.md

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Build dependencies

Hack is compiled from UFO v2 spec source files to ttf, woff, and woff2 fonts with free, open source build tools. You can either install the tools manually or use the automated build dependency installation approach documented below.

Desktop font (ttf) build dependencies

To build the Hack desktop fonts (ttf) from source you will need the following build dependencies:

Web font (woff + woff2) build dependencies

To build the Hack web fonts from source you will need all of the build dependencies listed above for desktop font builds. In addition you will need the following dependencies for the web font build steps:

Automated build dependency installation

Install all build dependencies for desktop and web fonts with the following make command:

$ make build-with-dependencies

This will install all necessary build dependencies and complete a build of all desktop and web fonts.

Automated font builds

After the build dependencies are installed, use make targets from the root of the Hack repository to build font sets.

Build all desktop and web fonts (including web font subsets)

$ make

Build ttf desktop fonts

$ make ttf

Build all web fonts (includes woff, woff2 with character subsets)

$ make webfonts

Build woff web fonts only (complete sets only)

$ make woff

Build woff2 web fonts only (complete sets only)

$ make woff2

Build woff and woff2 subsets only

$ make subsets

Build paths

Desktop fonts (ttf)

Desktop fonts are available on the path build/ttf from the root of the repository upon completion of your build.

Web fonts (woff + woff2)

Web fonts are available on the path build/web/fonts from the root of the repository upon completion of your build.

Uninstall

All build dependencies installed with the automated approaches can be uninstalled with the following commands:

$ pip uninstall fontmake
$ pip uninstall fonttools
$ rm -rf ~/ttfautohint-build
$ rm -rf ~/sfnt2woff-zopfli-build
$ rm -rf ~/woff2

Here are all of the above commands in a single line that can be copied/pasted into your terminal to accomplish the entire uninstall process:

$ pip uninstall fontmake && pip uninstall fonttools && rm -rf ~/ttfautohint-build && rm -rf ~/sfnt2woff-zopfli-build && rm -rf ~/woff2

In cases where a compile did not proceed to completion (e.g. you intentionally exited early or an exception was raised) a temporary directory may still exist in the root of the repository on the path master_ttf. This can be removed with:

$ rm -rf master_ttf

Uninstall Details

fontmake and fonttools are Python packages and are uninstalled with pip.

The FreeType library (including its build dependency Harfbuzz), ttfautohint, sfnt2woff-zopfli, and woff2 are built in directories on your $HOME path. They are not installed on your $PATH (unless of course you have defined $HOME on $PATH) so they will not work from the command line with the name of the executable file only (e.g. $ ttfautohint [file path]). This is intentional.

Repeat execution of the build process cleans up the temporary directory master_ttf if found so this step is not mandatory to repeat a build and should not lead to errors with the build.