[FFmpeg-devel] [PATCH] configure: check SDL2 function with a header
komh78 at gmail.com
Fri Dec 29 08:36:06 EET 2017
Derek Buitenhuis wrote:
> On 12/28/2017 2:44 PM, KO Myung-Hun wrote:
>> On OS/2, '_' is not prepended to a function name.
>> configure | 4 ++--
>> 1 file changed, 2 insertions(+), 2 deletions(-)
> It's not immediately clear to be how checking a header instead relates
> to function name mangling (or lack thereof)?
Sorry about that.
SDL2 uses SDLCALL to specify a calling convention. On OS/2, it's defined
to `_System' which is similar to `_cdecl' but does not prepend '_'.
After all, without a header, a function is used without `_System'. And
linker will try to `_func' but fail because the function is `func' not
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