This article describes how to setup environment in which you can build both amd64 as well x86 .deb packages. It’s assuming that you already have working debian on amd64 kernel.
First step: install debootstrap
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sudo apt-get install debootstrap chroot sudo mkdir /opt/jessie-386 sudo debootstrap --arch i386 jessie /opt/jessie-386/ http://ftp.debian.org/debian/ |
Now you should have fully working x86 debian in /opt/jessie-386
Second step: make a script to switch into i386 version
Create a script anywhere you like, for example /bin/switch_32 with following content:
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#!/bin/sh r=/opt/jessie-386 sudo mount -o bind /proc $r/proc sudo mount -o bind /dev $r/dev sudo mount -o bind /sys $r/sys sudo chroot $r echo "Unmounting the filesystems from x86 system" sudo umount $r/sys sudo umount $r/proc sudo umount $r/dev |
Then make it executable. Now running it would switch you into fully working debian x86 in which you can install all required packages using apt-get and build your x86 packages.
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