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HOW TO BUILD Unity WITH jhbuild
===============================
1. Make sure you have all required dependencies to build the whole Unity stack.
Run the get-build-deps.sh script you'll find in this package.
You should build with jhbuild == 2.32.4. Grab it from
ftp://ftp.gnome.org/pub/gnome/sources/jhbuild/2.32/jhbuild-2.32.4.tar.gz
The newer jhbuild versions seem to exhibit problems with out-of-srcdir
builds.
That being said, most of the unity projects should properly support
out-of-srcdir builds, so this should no longer be an issue.
2. Check out lp:unity-jhbuild to ~/unity. Eg.
$ bzr branch lp:unity-jhbuild ~/unity
3. To build the whole shebang:
$ jhbuild -f ~/unity/unity.jhbuildrc
4. Launch a Unity session taking over your current session:
$ jhbuild -f ~/unity/unity.jhbuildrc shell
$ setsid unity
(if the 'unity' command seems to hang, try 'compiz --replace ccp' instead)
5. To reestablish a normal session fire up a fresh terminal (ie. to avoid the
jhbuild environment you have in the already running terminal) and run:
$ setsid unity
Using local branches with jhbuild
=================================
You can edit ~/.jhbuildrc-custom file and add lines like:
branches['unity'] = 'projects/my-awesome-unity-branch'
This will make jhbuild use the ~/projects/my-awesome-unity-branch branch
to build the unity component. (of course you can also use lp:.. links)
Enjoy!
If you have questions or problems regarding building or running Unity using
these instructions please contact michal.hruby@canonical.com or via IRC
contact mhr3 or kamstrup on FreeNode (fx. on #ubuntu-unity)
Transient issues
================
Getting error about missing `pyrexc` while compiling compiz?
- apt-get install python-pyrex
setsid?
=======
The setsid command we prefix the unity command with is a bit like adding a &
to the end of a command to background it. The difference is that setsid detaches
the command from the running terminal so you are free to close the terminal
without killing your window manager :-)
CLEANING UP
===========
Everything from this build is installed under ~/unity and wont get picked up
when you are outside the "jhbuild shell". In particular we have
~/unity/
build/
install/
source/
To clean everything except from the original jhbuild setup simply run:
$ rm -rf ~/unity/{build,install,source}
TRICKS
======
It can be handy to have a small (jhbuild) tag in your command line prompt so
you can tell when you're inside a jhbuild shell. You can accomplish that by
putting this snippet at the bottom of your ~/.bashrc
# Set special prompt when inside a jhbuild shell
if [ -n "$UNDER_JHBUILD" ]; then
PS1="[jhbuild] $PS1"
fi
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