[MPlayer-dev-eng] [PATCH] Adapts to -std=c11 on OS/2

[KO Myung-Hun]

Hi/2.

Alexander Strasser wrote:
> On 2024-09-28 20:47 +0900, KO Myung-Hun wrote:
>> Dave Yeo wrote:
>>> On 09/27/24 08:36 AM, KO Myung-Hun wrote:
>>>> -std=c11 disables many extensions of OS/2 kLIBC. And this causes many
>>>> compilation errors such as implicit functions.
>>>>
>>>> To enable extensions of OS/2 kLIBC, define _EMX_SOURCE before including
>>>> any headers.
>>>
>>> I did the same before deciding that adding -D_EMX_SOURCE to
>>> --extra-cflags was less invasive.
>>
>> If an user does not add -D_EMX_SOURCE to --extra-cflags, compilation
>> will fail. I think this is not a correct way.
>>
>> It would be better to succeed to compile regardless of user's configuration.
> 
> Would it be best to have it defined when compiling every file for OS/2?
> 
> If so, you could try if this would do the trick:
> 
> diff --git a/configure b/configure
> index 7a403e0a6..371bff55b 100755
> --- a/configure
> +++ b/configure
> @@ -1952,6 +1952,7 @@ if os2 ; then
>    test -n "$ld_static" && ld_static='-Wl,-static'
>    # OS/2 linker does not support a thin archive. Remove 'T' flag.
>    _arflags=$(echo $_arflags | tr -d T)
> +  extra_cflags="-D_EMX_SOURCE $extra_cflags"
>  fi
> 
>  if wine ; then
> 
> 
> Otherwise the patches of komh look good to me.
> 
> @komh: Feel free to commit to SVN whatever solution works best for you!
> 

If _EMX_SOURCE is allowed for all the files in MPlayer, I prefer it.

Thanks!

-- 
KO Myung-Hun

Korean OS/2 User Community : https://www.os2.kr/