Build Swift with Foundation on Ubuntu 14.04/16.04

build-swift.sh

# Note: the Swift binaries for Linux already include Foundation. To install them, see: https://gist.github.com/bmaupin/a1585eb29b893ac8d184
# To use Foundation, just 'import Foundation'
# If you really want to build Swift with Foundation, keep reading...

# References:
# https://github.com/apple/swift#getting-sources-for-swift-and-related-projects
# https://github.com/apple/swift-corelibs-foundation/blob/master/Docs/GettingStarted.md#on-linux

# A lot of folders will be created for dependencies, so put them all in one subfolder to keep things organized
mkdir swift-source
cd swift-source

# Install dependencies
sudo apt install git cmake ninja-build clang python uuid-dev libicu-dev icu-devtools libbsd-dev libedit-dev libxml2-dev libsqlite3-dev swig libpython-dev libncurses5-dev pkg-config libblocksruntime-dev libcurl4-openssl-dev autoconf libtool systemtap-sdt-dev

# Install a supported version of cmake
# (https://github.com/apple/swift/blob/master/docs/Ubuntu14.md)
if lsb_release -r | grep -q 14.04; then
    wget http://www.cmake.org/files/v3.5/cmake-3.5.2.tar.gz
    tar xf cmake-3.5.2.tar.gz
    cd cmake-3.5.2
    ./configure
    make
    sudo make install
    sudo update-alternatives --install /usr/bin/cmake cmake /usr/local/bin/cmake 1 --force
    cmake --version
    cd ..
fi

# Build Swift and Foundation
git clone https://github.com/apple/swift.git
swift/utils/update-checkout --clone
git clone https://github.com/apple/swift-corelibs-foundation.git
swift/utils/build-script --xctest --foundation -t