Building on Cygwin platform: Difference between revisions

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Octave can be built on cygwin too !
#REDIRECT [[Octave for Microsoft Windows#GNU Octave on cygwin]]
 
==Pre-requisites==
Setup your system the same way as described on the page [[Octave for Debian systems]]. The next step, required to generate the documentation, is to tweak a bit the texlive configuration file: (remember cygwin has no sudo command)
 
    vi /usr/share/texmf-dist/web2c
   
Change
   
    TEXMFLOCAL = $TEXMFROOT/texmf-site
 
into
 
    TEXMFLOCAL = $TEXMFROOT/texmf-site:$TEXMFROOT/texmf
 
Then run
 
    mktexlsr
   
 
==Configure==
Proceed the same way as on a Unix platform. In this case, the procedure requires a kind of bootstrapping, so it is better to put Octave outside the main directory tree; like f.i.
 
    ./bootstrap
    mkdir compile; cd compile
    ../configure --prefix=${HOME}/usr
 
This configuration supposes ${HOME}/usr/bin exists and is in your $PATH.
 
==Build==
The procedure is a bit more tricky. Start the build as usual:
 
    make -j 2
 
It will fail after a looong time, while trying to launch ./run-octave. This is a well-known problem, partly caused by issues with the fork() call under Windows platforms. At this time, change run-octave to something simpler:
 
    #! /bin/sh
    octave_executable="${PREFIX}/usr/bin/octave"
    "$octave_executable" "$@"
 
Where ${PREFIX} matches the form previously used during the configure stage. In fact, we will use the new Octave, which is not yet operationnal. But never mind. Restart the process as follows:
 
    make install
 
This way:
# The Octave libs and binaries have been generated, they will be copied into their final destination directory.
# the doc has still to be built. With the modified "run-octave", the executable which will be called is the version just installed during the previous step. Now the doc generation will succeed, and so will its installation.
 
Enjoy!
 
[[Category:Installation]]
[[Category:Building]]
[[Category:Microsoft Windows]]

Latest revision as of 06:17, 16 August 2019

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