[chimerax-users] spin movie error

[Conrad Huang]

Hi, Andrey.

This is a problem introduced when we updated our Mac build machine to a 
newer version of MacOS.  The build system incorrectly assumes that 
_clock_gettime (a system function) may be found in all versions of MacOS 
when it was actually introduced within the last two (maybe three) 
releases.  So if you are running 10.10 (maybe 10.11) or earlier, you 
will see this error.  The official Apple "solution" is to update to the 
latest MacOS, as fixing Apple's error involves hacking on the ffmpeg 
(movie encoder) build process, and we really prefer not to do that.

Conrad

On 2/5/2018 2:15 PM, Andrey Feklistov wrote:
> Dear chimera X developers,
> 
> upon trying to record a spin movie with a corresponding button I get an 
> error:
> 
> dyld: Symbol not found: _clock_gettime,Referenced from: 
> /Volumes/ChimeraXInstaller 2/ChimeraX.app/Contents/bin/ffmpeg,Expected 
> in: /usr/lib/libSystem.B.dylib
> 
> 
> Typing the command manually results in the same error. I remember that 
> the feature used to work when I first tested ChimeraX last year.
> 
> 
> Thanks for any advice..
> 
> Andrey
> 
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