Re: [Openal] invalid use of ‘ALvoid’

Sounds like a C++ problem. I griped about this one here:
http://playcontrol.net/ewing/jibberjabber/another_c_vs_c_incompatibil.html

I think you are correct about ALvoid, but Apple fixed their headers so
you shouldn't have to change their header files.

It looks like you are using a non-standard OpenAL installation.
Apple officially provides theirs in /System/Library/Frameworks

Yours is in /Library/Frameworks. Who knows where you got that from.

-Eric


On 4/28/10, Iain Laird <[email protected]> wrote:
> Hello all,
>
> I am  pretty new to OpenAL and C++ so I'm going through lesson 1 (the OS X
> version) on DevMaster.net but I am having some trouble getting it to compile
> and I'm hoping someone can give me a few pointers.
>
> So a bit of detail.
>
> I am using OS X (snow leopard) and have tried compiling the tutorial with
> g++ and via Xcode and I'm getting the following errors which look like the
> compiler is having trouble with OpenAL headers:
> (compiled with g++)
>
> In file included from main.cpp:9:
> /Library/Frameworks/OpenAL.
> framework/Versions/A/Headers/al.h:84: error: ‘<anonymous>’ has incomplete
> type
> /Library/Frameworks/OpenAL.framework/Versions/A/Headers/al.h:84: error:
> invalid use of ‘ALvoid’
> In file included from main.cpp:10:
> /Library/Frameworks/OpenAL.framework/Versions/A/Headers/alc.h:43: error:
> ‘<anonymous>’ has incomplete type
> /Library/Frameworks/OpenAL.framework/Versions/A/Headers/alc.h:43: error:
> invalid use of ‘ALCvoid’
> In file included from main.cpp:11:
> /Library/Frameworks/OpenAL.framework/Versions/A/Headers/alut.h:36: error:
> ‘<anonymous>’ has incomplete type
> /Library/Frameworks/OpenAL.framework/Versions/A/Headers/alut.h:36: error:
> invalid use of ‘ALvoid’
> /Library/Frameworks/OpenAL.framework/Versions/A/Headers/al.h: In function
> ‘ALboolean LoadALData()’:
> /Library/Frameworks/OpenAL.framework/Versions/A/Headers/al.h:84: error: too
> few arguments to function ‘ALenum alGetError(<type error>)’
> main.cpp:75: error: at this point in file
> /Library/Frameworks/OpenAL.framework/Versions/A/Headers/al.h:84: error: too
> few arguments to function ‘ALenum alGetError(<type error>)’
> main.cpp:91: error: at this point in file
> /Library/Frameworks/OpenAL.framework/Versions/A/Headers/al.h:84: error: too
> few arguments to function ‘ALenum alGetError(<type error>)’
> main.cpp:103: error: at this point in file
> /Library/Frameworks/OpenAL.framework/Versions/A/Headers/alut.h: In function
> ‘void KillALData()’:
> /Library/Frameworks/OpenAL.framework/Versions/A/Headers/alut.h:36: error:
> too few arguments to function ‘ALvoid alutExit(<type error>)’
> main.cpp:136: error: at this point in file
> /Library/Frameworks/OpenAL.framework/Versions/A/Headers/al.h: In function
> ‘int main(int, char**)’:
> /Library/Frameworks/OpenAL.framework/Versions/A/Headers/al.h:84: error: too
> few arguments to function ‘ALenum alGetError(<type error>)’
> main.cpp:154: error: at this point in file
>
> I have trawled through the forums and have seen others with similar problems
> and they suggested replacing all (except the first) instances of 'ALVoid'
> with 'Void' I was hoping someone could confirm that's a good way to go
> before I started messing around with headers.
>
> Any suggestions are very welcome indeed.
>
> Many thanks
>
> Iain Laird
>

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