Fixed bug 4003 - HAVE_POLL undefined in SDL_poll.c, making it impossible to use. tomwardio HAVE_POLL is correctly defined in SDL_config.h when running configure. However, in the only place where it's used, it's undefined at the start of the file.
diff --git a/src/core/unix/SDL_poll.c b/src/core/unix/SDL_poll.c
index b970a7a..b7f139d 100644
--- a/src/core/unix/SDL_poll.c
+++ b/src/core/unix/SDL_poll.c
@@ -24,7 +24,6 @@
#include "SDL_assert.h"
#include "SDL_poll.h"
-#undef HAVE_POLL
#ifdef HAVE_POLL
#include <poll.h>
#else