[Lazarus] multiple versions and portable lazarus

[Mattias Gaertner]

On Tue, 31 May 2011 21:34:23 +0200
Roberto Padovani <padovani.r at gmail.com> wrote:

> Dear List,
> 
> I know it's me, and I beg your pardon for this, but every time I try
> to upgrade from a lazarus version to another...it's a mess.
> It happened before, but today I tried to upgrade from 0.9.28.3 to
> 0.9.30 stable releases
> Uninstalling old versions, always leaves something behind. For example
> I had some packages of mine installed in the old one, and the new one
> complained it couldn't find the package file (so it created a dummy
> one). Why and how did the new one searched for them?
> It seems to me that I cannot uninstall completely.

The current config directory is shown in
View / IDE Internals / About IDE

 
>[...]
> Generally speaking, why do I have to _install_ (in the win32 sense)
> lazarus?

It registers file types, creates desktop shortcuts and sets the path
to FPC and FPC sources.

> Isn't it possible to have a portable installation?

It is possible. You need 0.9.31 and a start script. The script depends
on your needs.


> If I compile it from scratch, set a few environment options and
> register some extension, should it work?

Yes

> The same is true for FPC, can it be portable?

Yes.

Mattias