Difference between revisions of "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!
#REDIRECT [[Building]]
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 ==
You need at least a set of developement utils.
For Debian (and Debian-based distributions) see the required pages on it's [[Octave for Debian systems|distro specific page]].
For Arch Linux see [[Octave for Arch Linux]].
For all other distributions and more informations, take a look at the ''./configure'' summary and 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:
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''.

Latest revision as of 04:52, 26 October 2019

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