[vtkusers] Patched version of libjpeg-6b for 32-bit and 64-bit architectures

[Mathieu Malaterre]

Elvis,

On Tue, Sep 30, 2008 at 11:44 PM, Elvis Dowson <elvis.dowson at mac.com> wrote:
> Hi Sean,
>                   I didn't check the internal version that vtk uses.

a patched 6b (aka version 62).

> The
> thing is, you need an external version of libjpeg when compiling for
> grass-6.4.0.

what's grass ? what has grass to do with VTK ?

> libjpeg-6b was released in 1998!

so ?

> I also came across many references to
> problems others have faced when attempting to compile it for 64-bits.

What version of VTK are you using ? the patched ijg version does
compile&run fine on 64bits machine.

> On the
> first go, I too had problems.

Please include full compiler errors log, thanks.

> Since I had to do some major learning and get
> things working in atleast 32-bits, I put it off for a while. Now that I have
> a 32-bit environment working, I thought Id try to fix some of the
> outstanding issues, libjpeg 64-bits being one of them! :-)
> Here is the link to the website:  Independent JPEG Group
> I also came across a set of patches in another website, and then applied it
> and somehow got it to work.

I have put up a website with all known patch to IJG here:

  http://sf.net/projects/jpeg

(including guido's ijg 6c version). But I never ever saw one for
64bits, it always compiled out of the box for me...


-- 
Mathieu