[Slackbuilds-users] FlightGear

J. Milgram milgram at cgpp.com
Thu Nov 5 19:30:40 UTC 2026


As near as I can tell, it's in iaxclient which is (apparently) an 
external library bundled with the FlightGear source. Haven't figured out 
which version of iaxclient comes with FlightGear but looking at the 
v2.0.2 source from https://sourceforge.net/projects/iaxclient/ it looks 
like the declarations match. I guess the next step is to see if the 
official iaxclient builds...

Will report back.

JM


On 11/5/26 10:05, Marco Moock wrote:
> Am 05.11.26 um 06:01 schrieb J. Milgram via SlackBuilds-users:
>>
>> Getting an error building FlightGear v2024.1.1:
>>
>> /tmp/SBo/flightgear-v2024.1.1/3rdparty/iaxclient/lib/ 
>> audio_openal.c:262:5: error: conflicting types for 
>> ‘openal_initialize’; have ‘int(struct iaxc_audio_driver *, int)’
>>    262 | int openal_initialize(struct iaxc_audio_driver *d, int 
>> sample_rate)
>>        |     ^~~~~~~~~~~~~~~~~
>> In file included from 
>> /tmp/SBo/flightgear-v2024.1.1/3rdparty/iaxclient/ 
>> lib/iaxclient_lib.h:246,
>>                   from 
>> /tmp/SBo/flightgear-v2024.1.1/3rdparty/iaxclient/ lib/audio_openal.c:1:
>> /tmp/SBo/flightgear-v2024.1.1/3rdparty/iaxclient/lib/audio_openal.h:4:5: 
>> note: previous declaration of ‘openal_initialize’ with type ‘int(void)’
>>      4 | int openal_initialize();
>>
>>
>> Anyone else seeing this?
>>
>> Should I try to patch audio_openal.h to make the declarations align, 
>> or is there some easier fix?
>
> Did you figure out if that is an issue of FlightGear or an external 
> library?
>
>
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