Introduction This guide explains how to install OR-Tools from sources for Python on MacOS. Unless you have a specific need for the source code, we recommend the. Although these instructions might also work on other MacOS variants, we have only tested these instructions on machines meeting the following requirements:. MacOS 10.14.1 (Mojave) 64-bit (x8664) Caution: OR-Tools only supports the x8664 (also known as amd64) architecture. Prerequisite: Xcode Command Line Tools You must install the Xcode Command Line Tools. To do so, open the Terminal, found in /Applications/Utilities/, and enter: xcode-select -install Click “Install” to download and install Xcode Command Line Tools.

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You don’t need to 'Get Xcode' from the App Store. If you have a slow Internet connection, it may take many minutes. Verify that you’ve successfully installed Xcode Command Line Tools: xcode-select -p You should see: /Applications/Xcode.app/Contents/Developer Prerequisite: Homebrew To install the remaining prerequisites, we recommend first installing the 'missing package manager for macOS' otherwise known as. To do so, open a terminal window and enter: /usr/bin/ruby -e '$(curl -fsSL brew update To verify that you’ve successfully installed brew: brew -version You should see: Homebrew 1.6.9-8-g25542d7 Homebrew/homebrew-core (git revision 0e0c84; last commit 2018-06-20) Prerequisite: C tools You should (re)install C tools, to do so, open a terminal window and enter: brew install cmake wget Prerequisite: Python You must have Python 2 or Python 3 installed. We recommend Python 3.