Install debootstrap.
# pacman -S arch-install-scripts debootstrap
Install Debian base system into $ROOTFS.
$ export ROOTFS=$HOME/rootfs
# mkdir -p $ROOTFS
# debootstrap --arch armhf sid $ROOTFS
(for Ubuntu: use this instead) # debootstrap --arch armhf xenial $ROOTFS http://ports.ubuntu.com/ubuntu-ports
Chroot to the Debian, and set PATH.
(## means chrooted shell)
# arch-chroot $ROOTFS /bin/bash
## echo 'export PATH="$PATH:/usr/sbin:/sbin:/bin"' >> .bashrc # run once
## source .bashrc
Install related library for Swift.
## apt update
## apt install libxml2 libcurl3 clang git-core libpython2.7 wget
## wget https://launchpad.net/ubuntu/+source/icu/55.1-7/+build/8880729/+files/libicu55_55.1-7_armhf.deb
## dpkg -i libicu55_55.1-7_armhf.deb
## apt-get -f install
Install Swift ARM, from http://dev.iachieved.it/iachievedit/swift-3-0-on-raspberry-pi-2-and-3/ or https://www.uraimo.com/2016/12/30/Swift-3-0-2-for-raspberrypi-zero-1-2-3/ . Ubuntu version is preffered.
Thanks!!
## cd ~ && wget https://www.dropbox.com/s/cah35gf5ap22d11/swift-3.0.2-RPi23-1604.tgz
## tar zxvf swift-3.0.2-RPi23-1604.tgz
## echo 'export PATH="$HOME/usr/bin:$PATH"' >> .bashrc # run once
## source .bashrc
## swift -v
Appendix, use I2C on ArchLinux.