Re: libpng fails to download

> Hi All, Esteban,
>
> I just attempted to build the pharo vm on Win32 and it failed due to:
>
> ftp://ftp.simplesystems.org/pub/libpng/png/src/libpng16/libpng-1.6.29.tar.gz
>
> not being available.  The current version is 1.6.30, which also appears
> to be unavailable from this address.
>
> I successfully downloaded 1.6.29 from:
>
> http://prdownloads.sourceforge.net/libpng/libpng-1.6.29.tar.gz?download
>
> which is referenced on what appears to be the official web page:
>
> http://www.libpng.org/pub/png/libpng.html
>
> I plan to test with 1.6.30 tonight.
>
> Is there any reason not to submit a PR pointing to sourceforge?
>
> Thanks,
> Alistair
>
>

> On Fri, Aug 25, 2017 at 10:04 AM, Alistair Grant <[hidden email]> wrote:
> > Hi All, Esteban,
> >
> > I just attempted to build the pharo vm on Win32 and it failed due to:
> >
> > ftp://ftp.simplesystems.org/pub/libpng/png/src/libpng16/libpng-1.6.29.tar.gz
> >
> > not being available.  The current version is 1.6.30, which also appears
> > to be unavailable from this address.
> >
> > I successfully downloaded 1.6.29 from:
> >
> > http://prdownloads.sourceforge.net/libpng/libpng-1.6.29.tar.gz?download
> >
> > which is referenced on what appears to be the official web page:
> >
> > http://www.libpng.org/pub/png/libpng.html
> >
> > I plan to test with 1.6.30 tonight.
> >
> > Is there any reason not to submit a PR pointing to sourceforge?
> >
> > Thanks,
> > Alistair

> Yes, that's a problem.
> Some projetcs have a strict policy and remove old versions (for example because
> they have vulnerabilities).
> So we have to regularly update our upstream links.
> But we have caches on Travis/Appveyor because reconstructing those external
> dependencies is very costly
> (see the cache directive near line 7 of https://github.com/OpenSmalltalk/
> opensmalltalk-vm/blob/Cog/.travis.yml).
> Consequently, a green build on the CI server might well be red anywhere else...
>
> Nicolas

> 2017-08-26 20:51 GMT+02:00 Alistair Grant <[hidden email]>:
>
>     Hi Stef,
>
>     On Sat, Aug 26, 2017 at 07:59:09PM +0200, Stephane Ducasse wrote:
>     > Indeed.
>     > Tx alistair.
>
>     This is a little terse for me to be sure of your meaning, but I'll take
>     it to mean I should submit the patch. :-)
>
>     BTW: I tested libpng-1.6.30 on the full test suite, and the set of
>     failing tests was the same.
>
>
>     Cheers,
>     Alistair
>
>
>
>     > On Fri, Aug 25, 2017 at 10:04 AM, Alistair Grant <[hidden email]>
>     wrote:
>     > > Hi All, Esteban,
>     > >
>     > > I just attempted to build the pharo vm on Win32 and it failed due to:
>     > >
>     > > ftp://ftp.simplesystems.org/pub/libpng/png/src/libpng16/
>     libpng-1.6.29.tar.gz
>     > >
>     > > not being available.  The current version is 1.6.30, which also appears
>     > > to be unavailable from this address.
>     > >
>     > > I successfully downloaded 1.6.29 from:
>     > >
>     > > http://prdownloads.sourceforge.net/libpng/libpng-1.6.29.tar.gz?download
>     > >
>     > > which is referenced on what appears to be the official web page:
>     > >
>     > > http://www.libpng.org/pub/png/libpng.html
>     > >
>     > > I plan to test with 1.6.30 tonight.
>     > >
>     > > Is there any reason not to submit a PR pointing to sourceforge?
>     > >
>     > > Thanks,
>     > > Alistair
>
>
>