Installing Newt on Mac OS¶
Newt is supported on Mac OS X 64 bit platforms and has been tested on Mac OS 10.10 and higher.
This page shows you how to:
- Upgrade to or install the latest release version of newt.
- Install the latest newt from the master branch (unstable).
See Installing Previous Releases of Newt to install an earlier version of newt.
Note: If you would like to contribute to the newt tool, see Setting Up Go Environment to Contribute to Newt and Newtmgr Tools.
If you do not have Homebrew installed, run the following command. You will be prompted for your sudo password.
$ ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
You can also extract (or
git clone) Homebrew and install it to
Adding the Mynewt Homebrew Tap¶
If this is your first time installing newt, add the runtimeco/homebrew-mynewt tap:
$ brew tap runtimeco/homebrew-mynewt $ brew update
Upgrading to or Installing the Latest Release Version¶
Perform the following to upgrade or install the latest release version of newt.
Upgrading to the Latest Release Version of Newt¶
If you previously installed newt using brew, run the following commands to upgrade to newt latest:
$ brew update $ brew upgrade mynewt-newt ==> Upgrading 1 outdated package, with result: runtimeco/mynewt/mynewt-newt 1.4.1 ==> Upgrading runtimeco/mynewt/mynewt-newt ==> Downloading https://github.com/runtimeco/binary-releases/raw/master/mynewt-newt-tools_1.4.1/mynewt-newt-1.4.1.sierra.bottle.tar.gz ==> Downloading from https://raw.githubusercontent.com/runtimeco/binary-releases/master/mynewt-newt-tools_1.4.1/mynewt-newt-1.4.1.sierra.bottle.tar.gz ######################################################################## 100.0% ==> Pouring mynewt-newt-1.4.1.sierra.bottle.tar.gz 🍺 /usr/local/Cellar/mynewt-newt/1.4.1: 3 files, 7.9MB
Installing the Latest Release Version of Newt¶
Run the following command to install the latest release version of newt:
$ brew update $ brew install mynewt-newt ==> Installing mynewt-newt from runtimeco/mynewt ==> Downloading https://github.com/runtimeco/binary-releases/raw/master/mynewt-newt-tools_1.4.1/mynewt-newt-1.4.1.sierra.bottle.tar.gz Already downloaded: /Users/gavin/Library/Caches/Homebrew/mynewt-newt-1.4.1.sierra.bottle.tar.gz ==> Pouring mynewt-newt-1.4.1.sierra.bottle.tar.gz 🍺 /usr/local/Cellar/mynewt-newt/1.4.1: 3 files, 7.9MB
Notes: Homebrew bottles for newt are available for Mac OS Sierra. If you are running an earlier version of Mac OS, the installation will install the latest version of Go and compile newt locally.
Checking the Installed Version¶
Check that you are using the installed version of newt:
$ which newt /usr/local/bin/newt $ newt version Apache Newt version: 1.4.1
Note: If you previously built newt from source and the output of
which newt shows
“$GOPATH/bin/newt”, you will need to move “$GOPATH/bin” after
“/usr/local/bin” for your PATH in ~/.bash_profile, and source
Get information about newt:
$ newt help Newt allows you to create your own embedded application based on the Mynewt operating system. Newt provides both build and package management in a single tool, which allows you to compose an embedded application, and set of projects, and then build the necessary artifacts from those projects. For more information on the Mynewt operating system, please visit https://mynewt.apache.org/. Please use the newt help command, and specify the name of the command you want help for, for help on how to use a specific command Usage: newt [flags] newt [command] Examples: newt newt help [<command-name>] For help on <command-name>. If not specified, print this message. Available Commands: build Build one or more targets clean Delete build artifacts for one or more targets create-image Add image header to target binary debug Open debugger session to target info Show project info install Install project dependencies load Load built target to board mfg Manufacturing flash image commands new Create a new project pkg Create and manage packages in the current workspace resign-image Re-sign an image. run build/create-image/download/debug <target> size Size of target components sync Synchronize project dependencies target Commands to create, delete, configure, and query targets test Executes unit tests for one or more packages upgrade Upgrade project dependencies vals Display valid values for the specified element type(s) version Display the Newt version number Flags: -h, --help Help for newt commands -j, --jobs int Number of concurrent build jobs (default 8) -l, --loglevel string Log level (default "WARN") -o, --outfile string Filename to tee output to -q, --quiet Be quiet; only display error output -s, --silent Be silent; don't output anything -v, --verbose Enable verbose output when executing commands Use "newt [command] --help" for more information about a command.
Installing Newt from the Master Branch¶
We recommend that you use the latest release version of newt. If you would like to use the master branch with the latest updates, you can install newt from the HEAD of the master branch.
- The master branch may be unstable.
- This installation will install the latest version of Go on your computer, if it is not installed, and compile newt locally.
If you previously installed newt using brew, unlink the current version:
$ brew unlink mynewt-newt
Install the latest unstable version of newt from the master branch:
$ brew install mynewt-newt --HEAD
To switch back to the latest stable release version of newt, you can run:
$ brew switch mynewt-newt 1.4.1