[Ffmpeg-devel] OS/X - undefined symbols due to strip'd shared libs

Joeri van Oostveen zokdok
Mon Oct 24 11:21:35 CEST 2005

well maybe, I can't get any software to compile which needs the ffmpeg
as a shared library...
I think I forgot to mention I'm running MacOS X 10.4.2.

The software I'm trying to compile is:
ffmpeg-php (a php extension for interfacing with ffmpeg)
php itself, with the option ffmpeg=yes :)

I got my info from this site:

I think the problem lies somewhere with MacOS X, but as I'm a PHP /
ActionScript developer, I really don't know what I'm doing, and I try
to follow some step by step compile this software thing.. :)
I need to test this software / extension, before I can come to the
admins I need this and that, only to find out it doesn't work, or it
doesn't suit the needs.

To get to the point, I want to call to ffmpeg from within PHP (or at
least, from scripts to PHP). To get ffmpeg to do some parsing of video
files and generating a jpg preview file etc. And I think I'm always
reinventing this again, as most likely somebody else has already made
this, but I can't find an open source / code example for this :)

Thanks in advance.

On 10/24/05, Diego Biurrun <diego at biurrun.de> wrote:
> On Sun, Oct 23, 2005 at 10:17:44PM +0200, Joeri van Oostveen wrote:
> > Being a big noob at this compiling stuff, how do I compile the ffmpeg
> > as a shared library?
> > I tried adding --enable-shared in the ./configure, make and make
> > install, but when I compile some other software (php) which needs the
> > ffmpeg, I keep getting this message:
> > checking for ffmpeg libavcodec.so... configure: error: ffmpeg share
> > libraries not found. Make sure you've built ffmpeg as shared libs
> > using the --enable-shared option
> Sounds like a question for the PHP forum unless you can provide more
> details and refute my suspicion that this problem does not originate
> from our side.
> Diego
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