[Libav-user] if(0) and unresolved symbols.

Joel Linn jl at conductive.de
Tue Jun 23 00:22:20 EEST 2020

Thanks for the fast and plenty replies.

I got it linking fine now in my debug configuration.
I am however unable to compile for Release although Optimizations are 
enabled, some other flags in combination seem to break dead code 

I will share when I find the culprit.

On 2020-06-22 23:10, Carl Eugen Hoyos wrote:
> Am Mo., 22. Juni 2020 um 21:36 Uhr schrieb Jaka Bac 
> <jakabac at gmail.com>:
>> On Mon, 22 Jun 2020 at 16:16, Carl Eugen Hoyos <ceffmpeg at gmail.com> 
>> wrote:
>>> You need to enable „dead code elimination“, FFmpeg cannot be
>>> compiled without it, most supported compilers do not allow to disable 
>>> it.
>> MSVC with optimizations disabled (/Od) does not do perform DCE
> I know.
> Most (all other?) supported compilers do not allow to disable Dead Code
> Elimination, FFmpeg cannot be compiled without Dead Code Elimination.
> Carl Eugen
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