Re: compiling multiple versions on one system

[Shai Ayal]

nice. No more manual relinks for me :)
Shai

Jean-Francois Cardoso wrote:
> On Feb  8, Shai Ayal wrote:
>  > I do it all the time with no problems I have like 5 versions of octave 
>  > currently installed. 
>
> Same here.  I do nothing special at build/install but I use small
> script (see below) to switch quickly between versions.  Of course, it
> must be invoked via "sudo" if the default install location is used.
>
> HTH
> JFC
>
>
> ################################################################
> #!/bin/bash
>
>
> if [ -z  $1  ] ; then
>     echo usage: octave_switch.sh  xx.yy.zz
>     echo This will make octave version xx.yy.zz the default version
>     exit 1 ;
> else
>     VERSION=$1 ;
> fi
>
>
> BASE=/usr/local/bin
>
> OCT_BIN=$BASE/octave
> OCT_MKO=$BASE/mkoctfile
> OCT_CFG=$BASE/octave-config
> OCT_BUG=$BASE/octave-bug
>
>
> doingit () { 
>     
>     LINK=$1 ;
>     REAL=$1-$2
>     
>     if [ -h $LINK -a -f $REAL ] ; then 
> 	echo Removing symbolic link $LINK
>         rm $LINK
>     fi
>     echo Creating new link pointing to  $REAL ; 
>     ln -s $REAL $LINK
>
> }
>
> doingit $OCT_BIN $VERSION
> doingit $OCT_MKO $VERSION
> doingit $OCT_CFG $VERSION
> doingit $OCT_BUG $VERSION
>
> ################################################################



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