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add missing file from sweng/"forward declare" commit

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This was SVN commit r4254.
This commit is contained in:
janwas 2006-08-27 12:17:27 +00:00
parent c53269caac
commit 6124ebd62c
1 changed files with 15 additions and 0 deletions
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source/lib/sdl_fwd.h Normal file
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@ -0,0 +1,15 @@
#ifndef SDL_FWD_H__
#define SDL_FWD_H__
// 2006-08-26 SDL is dragged into 6 of our 7 static library components.
// it must be specified in each of their "extern_libs" so that the
// include path is set and <SDL/sdl.h> can be found.
//
// obviously this is bad, so we work around the root cause. mostly only
// SDL_Event is needed. unfortunately it cannot be forward-declared,
// because it is a union (regrettable design mistake).
// we fix this by wrapping it in a struct, which can safely be
// forward-declared and used for pointers.
struct SDL_Event_;
#endif // #ifndef SDL_FWD_H__