Difference between revisions of "CrossCompilingOsX"

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(Add bit about procfs, links, packages)
(add gnustep and universe)
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(from https://help.ubuntu.com/community/BasicChroot)
 
(from https://help.ubuntu.com/community/BasicChroot)
  
  apt-get install sudo nano vim gcc g++
+
To avoid pointless warnings about missing locales, do this:
 +
apt-get install language-pack-en
 +
 
 +
Install some packages to start off with:
 +
  apt-get install sudo nano vim bzr
 +
 
 +
Edit your /etc/apt/sources.list to include the universe source and update:
 +
deb mirror.url.com/ubuntu/ trusty main
 +
deb-src mirror.url.com/ubuntu/ trusty main
 +
 +
deb mirror.url.com/ubuntu/ trusty universe
 +
deb-src mirror.url.com/ubuntu/ trusty universe
 +
 
 +
Now install gnustep:
 +
apt-get install gnustep gnustep-devel
  
 
More coming...
 
More coming...

Revision as of 13:38, 4 June 2014

This is being worked on, please maintain your patience. I have successfully done this before but I don't remember what I did, so I will have to recreate a lot of stuff.

You need:

  • a mind so deadset on cross-compiling you won't stop to think
  • the Xcode .dmg for your target OS X version
  • root access to your build system
  • a good processor and a lot of RAM

I used Ubuntu 14.04 "Trusty Tahr" for doing the initial chroot. The process was as follows:

apt-get install dchroot debootstrap

Then edit /etc/schroot/schroot.conf with your favourite text editor, and add this at the end:

[trusty]
description=Ubuntu Trusty
location=/var/chroot
priority=3
users=your_username
groups=sbuild
root-groups=root

Install a base system:

sudo debootstrap --variant=buildd --arch amd64 trusty /var/chroot/ mirror.url.com/ubuntu/

where mirror.url.com/ubuntu/ can be any of these mirrors.

Now copy your resolv.conf for internet access (required):

sudo cp /etc/resolv.conf /var/chroot/etc/resolv.conf

Bind your procfs into the chroot for gnustep:

sudo mount -o bind /proc /var/chroot/proc

Finally, chroot into your target:

sudo chroot /var/chroot

You should now have a working chroot, free for you to destroy as you see fit. (from https://help.ubuntu.com/community/BasicChroot)

To avoid pointless warnings about missing locales, do this:

apt-get install language-pack-en

Install some packages to start off with:

apt-get install sudo nano vim bzr

Edit your /etc/apt/sources.list to include the universe source and update:

deb mirror.url.com/ubuntu/ trusty main
deb-src mirror.url.com/ubuntu/ trusty main

deb mirror.url.com/ubuntu/ trusty universe
deb-src mirror.url.com/ubuntu/ trusty universe

Now install gnustep:

apt-get install gnustep gnustep-devel

More coming...