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PNG libraries (Re: [XaraXtreme-dev] Problems with ranlib while compiling XaraLX)
- From: "Ben Fowler" <ben.the.mole@xxxxxxxxx>
- Date: Wed, 12 Apr 2006 10:04:46 +0100
- Subject: PNG libraries (Re: [XaraXtreme-dev] Problems with ranlib while compiling XaraLX)
On 12/04/06, Phil Martin <phil@xxxxxxxx> wrote:
> ... Doesn't wxWidgets contain those libs? And if so, why can't
> we force XaraLX to link to thoseversions rather than trying to find
> independent versions? That would be a lot neater.
I don't have the documentation to hand, but IIRC wx can either use its
own version or link with installed libraries. Personally, I prefer the
second policy. If it turns out that it is better to adopt the first,
then fair enough.
I wouldn't characterise the fink installation as independent (I
realise that it is non-Apple, and from the point of view of Xara and
wxWdigets it is third party), but fink is more or less universally
used by Mac developers.
The Seashore project, http://sourceforge.net/projects/seashore/ , and
probably Abiword http://www.abisource.com/~hub/ (which doesn't compile
at the moment) have the same problem. I think that it is simpler to
yiou the fink libraries, if you think that it is either simpler or
better to use some other libraries then just say, and perhaps amend
the Instructions to reflect this. Though I haven't tried it,
configuring wx as you suggested above would seem to be perfectly
possible and effective.
> Ben Fowler wrote:
> >On 11/04/06, Andy Davison <andydavison@xxxxxxxxx> wrote:
> >>On 11/04/06, Ben Fowler <ben.the.mole@xxxxxxxxx> wrote:
> >>>On 10/04/06, Andy Davison <andydavison@xxxxxxxxx> wrote:
> >>>>[ snip ]
> >>However, it still breaks down, this time with:
> >>.././wxOil/outputpng.h:109:17: error: png.h: No such file or directory
> >I added the path to my installed png library, using CFLAGS. (Whilst I
> >think that this is right, and I would hope that the autoconf for Xara
> >LX is developed to make this more effective), I have a little niggle
> >in the back of my mind that telling wx to use the fink png libraries
> >is responsible for part of the badness in Bug 929 "Failure reading PNG
> >bitmap on Mac".
> >You probably have png.h in /sw/include/libpng12 and the libraries in
> >/sw/lib : If you don't, you might want to install png independently
> >(the instruction to use fink came from me, and I am not sure whether
> >it is entirely correct - but I don't see how we can expect developers
> >to remove chunks of their fink installation just to compile Xara). I
> >really would like to see some clarity on this, and I fear that it may
> >mean some work doing that there is nobody yet available to do!
> >If you do decide to install png on a different path, you will have to
> >choose a PREFIX for it; whilst /usr/local is appealing, I could only
> >wholeheartedly recommend this on a machine that you are not using for
> >any other development, which is not a likely state of affairs. You
> >could try somewhere in your home directory, as with the wx libraries.
> >You may have the same problem with the JPEG libraries, and you can
> >assuredly work on the same lines.