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Re: [Swftools-common] Undefined symbols _PrintGifError when building swf

From: List_Subs
Subject: Re: [Swftools-common] Undefined symbols _PrintGifError when building swftools using macports
Date: Mon, 21 May 2012 19:06:15 +0200

Hi Simon,

I'm not a Mac user, but,


states giflib as being at 4.1.6.

I have 0.9.2 happily compiled against the same version.

Is it really essential for you use 4.2.0? 



On Mon, 21 May 2012 17:57:19 +0200
Simon Groenewolt <address@hidden> wrote:

> hi,
> This is my first post on the list. I've been a user of swftools for
> various little tasks, mostly inspecting swf to investigate weird
> flash-issues, but also for converting pdfs to swfs to make them
> loadable in flash. Thanks for the great piece of software.
> Of course there is a problem... and I didn't see others mentioning
> this so here's my post:
> When installing (building) swftools using macports I get an error on
> my machine - the build was working just fine as far as I know.
> Error:
> :info:build /usr/bin/clang -DHAVE_CONFIG_H gif2swf.o -o gif2swf
> ../lib/librfxswf.a ../lib/libbase.a -L/opt/local/lib -arch x86_64
> -L/usr/local/lib -L/opt/local/lib -lmp3lame -lgif -ljpeg -lpdf -lz -lm
>  -L/opt/local/lib -lfreetype -lz -lbz2
> :info:build Undefined symbols for architecture x86_64:
> :info:build   "_PrintGifError", referenced from:
> :info:build       _MovieAddFrame in gif2swf.o
> :info:build       _CheckInputFile in gif2swf.o
> :info:build ld: symbol(s) not found for architecture x86_64
> I've filed a bug with macports https://trac.macports.org/ticket/34553
> but this is not macport-specific it seems. Quote: "this is related to
> giflib having been updated to 4.2.0 and the PrintGifError symbol
> having been removed from giflib in that version"
> Following a link for a linked bugreport I find on
> http://giflib.git.sourceforge.net/git/gitweb.cgi?p=giflib/giflib;a=blob;f=NEWS
> that they added functions GifError() and GifErrorString() and probably
> removed _PrintGifError in the process?
> What would be the way to get this working again in macports? I did a
> git clone and tried to see if I can easily build swftools from scratch
> but that did not work out of the box -- I don't mind putting some
> effort in trying to reproduce the macports issue with a 'clean' git
> checkout but maybe someone else already found this issue and has a fix
> ready?
> Cheers,
>   Simon
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