[FFmpeg-devel] [PATCH] Add support for __attribute__((visibility()))

[Gwenole Beauchesne]

Hi,

This patch adds support for __attribute__((visibility)). This is not 
something you can check from a compiler POV only as it requires proper 
tools support.

Only attribute_hidden will be generally useful. attribute_internal has the 
other benefit to tell the compiler you guarantee the symbol will never be 
used indirectly (e.g. function pointer).

Regards,
Gwenole.
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