[vlc-devel] [PATCH] Fix for crashes in several modules when running VLC on osx 10.6
david.fuhrmann at gmail.com
Sun Oct 27 18:51:44 CET 2013
Am 27.10.2013 um 18:33 schrieb Rémi Denis-Courmont <remi at remlab.net>:
> Le dimanche 27 octobre 2013 18:02:19 David Fuhrmann a écrit :
>> Since VLC 2.1, we noticed several crashes in different modules running on
>> osx 10.6, if we compile the binary on osx 10.7 or later.
> I don't know how the MacOS toolchain is designed.
> But in general, the toolchain must be configured with the *oldest* supported OS
> version to provide binary compatiblity. At least, that is how it works on
> Windows (through _WIN32_WINNT) and on all ELF-based platforms (through custom
> build roots).
Mac OS officially supports building on newer versions with newer osx SDKs, by giving a minimal version for osx which is supported at runtime.
>> As we have several
>> features only working on 10.7 onwards, we need to compile the release
>> binary on these newer versions. For 10.6, these features are deactivated.
> Well, hmm, your "problems" very strongly suggest that you failed to deactivate
> those "features". I think you answered your own question.
These features are lion fullscreen and better window resizing, concerning the interface module. Additionally, there is an AVFoundation module only running on 10.7 onwards.
All of these features have absolutely _nothing_ to do with the crashes we are experiencing. (Especially, the interface runs fine on all platforms. Crashes are only happening in completely unrelated and osx unspecific modules.)
>> Any comments or suggestions are appreciated. :-)
> This adds about 80kiB of dead binary (stripped) code *per* plugin on Windows
> or 1kiB on GNU/Linux. You do the maths with over 300 plugins.
I know its not the best solution. Thats why I ask for better ideas than this patch.
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