gbm: automake: add
VISIBILITY_CFLAGS

Currently the library exports every symbol imaginable,
rather than the ones defined by the API.

Note: This may cause issues for libraries that are linking
agaist libgbm's internals.

Cc: Kristian Høgsberg <krh@bitplanet.net>
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
1 file changed