[sldev] Working on an installer, anybody figured out licensing yet_

Able Whitman able.whitman at gmail.com
Tue Jul 10 10:32:38 PDT 2007


It sounds like you're going after a rather more sophisticated approach,
which sounds a lot more robust than my "install and hope" method :)

Changing the menubar color is an excellent idea. I'll send you a diff of my
changes as well.

On 7/10/07, Dale Glass <dale at daleglass.net> wrote:
>
> On Tue, Jul 10, 2007 at 12:33:06PM -0400, Able Whitman wrote:
> > Howdy Dale,
> >
> > I've been tackling many of the same issues you've been dealing with in
> > trying to roll a custom, license-compliant installer.
> >
> > I reached the same conclusion that you did about the Kakadu library not
> > being redistributable. IANAL, so I'm not sure if having your installer
> take
> > a copy of the DLL from an existing official install could be construed
> as de
> > facto redistribution. Aside from Kakadu, all the other OSS-licensed
> Hmm, I doubt so, as the library isn't changing hands at all.
>
> But, to avoid any possible issues here I'll switch to openjpeg here as
> soon as I can.
>
>
> > In order to try and simplify my custom installer, I built one using NSIS
> > which simply installs my custom viewer on top of an existing
> installation of
> > the official viewer, in such a way that the two can run side-by-side. My
> > installer requires that the user first install an official copy of the
> > version of the viewer from which my custom build is derived from. (In my
> > current case, this means requiring an official 1.17.3.0 install first.)
> Also NSIS here. Here's how mine works:
>
> Installer only carries a list of files. Information includes:
> Name, MD5 sum of uncompressed file, size, SHA-1 of compressed file, size
> of compressed file, flags (redistributable or not).
>
> Installer scans all present SL installs (firstlook and such included)
> and if the file it needs has the same MD5, uses that. Otherwise it
> downloads it, if it's redistributable.
>
> The installer verifies that each downloaded file has the right SHA-1
> hash, so that even though it downloads files on demand, signing the
> installer would imply that everything it downloads is effectively signed
> as well.
>
>
> > 4. Change the name of the crash dump files that are created by my viewer
> > (handleException in llwindebug.cpp) so as not to overwrite crash dumps
> from
> > the official viewer
> > 5. Change the window class name for my viewer (gWindowName in viewer.cpp
> )
> > 6. Change the name of the default settings XML file, so that the
> official
> > viewer and my private build use different configs and do not stomp on
> one
> > another, similar to First Look viewers (DEFAULT_SETTINGS_FILE in
> viewer.cpp;
> > changing the value here has the advantage of not requiring special
> command
> > line arguments)
> > 7. Change the display name of the application (used as the window title,
> > etc.) to include the phrase "unofficial edition" (gSecondLife, in
> WinMain,
> > in viewer.cpp)
> > 8. Change the executable name to not include the phrase "SecondLife" (I
> > chose "AbleSL.exe")
> Makes sense.
>
> To add to this: I thought it'd be a good to make my viewer distinctive,
> so I changed my viewer's menu bar color to 0,128,255.
>
>
> > I'd be happy to provide the NSI script I use and a diff for the source
> > changes I mentioned, if they would be helpful.
> diff would be appreciated :-)
>
> NSI script probably isn't needed, as I have my own already, which I plan
> to release as soon as I'm done tweaking stuff.
>
>
> >
> > --Able
>
>
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