[Lazarus] SetEnv on Linux 64bit

[Marco van de Voort]

On Tue, Apr 03, 2012 at 03:57:01PM +0200, michael.vancanneyt at wisa.be wrote:
> > supported and therefore I am looking for SetEnv which I can use on 64bit Linux.
> >
> > SysUtils contains only GetEnvironmentVariable, but not Set...
> 
> That's not how it works on Unix/Linux.
> 
> You must always set up environment variables before a program starts.
> When starting a process, the environment for that process is started and is
> then immutable for the duration of the process.

(and even if you manage to change the copy of the process, the libraries
startup code will have already been run before you make that change to the
copy of the environment)