Editing Octave in home directory
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# | Installing in Userland is a methode to install GNU Octave next to your repository installation at the same time. This works with every Linux distribution and is especially for old Ubuntu LTS versions very profitable! | ||
One advantage is that you do not clutter your system by running ''sudo make install''. | |||
Another advantage is that you can keep your octave installation that is provided by your distribution. | |||
== 1. Install dependencies == | |||
Take a look at [[Building for Linux systems]] and [[Building]]. | |||
General information you can gather from the `./configure` summary or read the {{Path|INSTALL.OCTAVE}} file that comes distributed with Octave. | |||
== 2. Download Octave Sourcecode == | |||
Take a release from ftp.gnu.org, e.g. 3.8.0. | |||
wget ftp://ftp.gnu.org/gnu/octave/octave-3.8.0.tar.bz2 | |||
tar xfvj octave-3.8.0.tar.bz2 | |||
cd octave-3.8.0/ | |||
or clone current stable branch | |||
hg clone http://hg.octave.org/octave/ | |||
cd octave/ | |||
== 3. configure == | |||
Only if you want to install from mercurial ''(hg.octave.org)'', you have to do first: | |||
./bootstrap | |||
Now it's time to run ./configure with a prefix that points to a directory in your home directory. E.g., my username is ''maxpower'' and I want to install Octave to ''~/.octave38/'' | |||
./configure --prefix=/home/maxpower/.octave38/ | |||
Pay attention to the configure summary at the end (See chapter 1). | |||
== 4. make & make install == | |||
After you have successful configured octave without errors ''(warnings may be okey)'', you can run ''make''. If you have a dual core cpu, you can run make with two threads like that (increase -j number if you have more cpu cores). | |||
make -j2 | |||
This may take now ~30-300 Minutes (depends on the speed of your cpu and the size of your RAM) :) | |||
Feel free to run ''make check'' too. | |||
When ''make -j2'' finished without errors, simply run '''without''' sudo/root permissions | |||
make install | |||
Octave will now be installed to /home/maxpower/.octave38/ | |||
== 5. create a smart bashrc entry == | |||
echo "alias octave38='~/.octave38/bin/octave'" >> ~/.bashrc | |||
. ~/.bashrc # this will update your bashrc without doing logout and login! | |||
If you simply enter ''octave'', you'll start your repository installation provided by your distribution. But when you enter ''octave38'', you'll start your new snappy octave version installed to your home directory. | |||
== Uninstall == | |||
==== Methode A ==== | |||
If you're still have the compiled source folder, just do ''make uninstall'' from it. And don't forget to remove the ''alias octave38'' entry in your ''~/.bashrc''. | |||
==== Methode B ==== | |||
Just delete (e.g. ''rm -rf ~/.octave38/'') the install folder and remove the ''alias octave38'' entry from your ''~/.bashrc''. | |||
[[Category:Building]] | |||
[[Category:Installation]] |