use BUILD_SHARED_LIBS to control whether a library is shared or static, make our bundled physfs library check for this configuration
/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
* *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
* BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
* *
********************************************************************
function: registry for time, floor, res backends and channel mappings
********************************************************************/
#ifndef _V_REG_H_
#define _V_REG_H_
#define VI_TRANSFORMB 1
#define VI_WINDOWB 1
#define VI_TIMEB 1
#define VI_FLOORB 2
#define VI_RESB 3
#define VI_MAPB 1
#include "backends.h"
#if defined(_WIN32) && defined(VORBISDLL_IMPORT)
# define EXTERN __declspec(dllimport) extern
#else
# define EXTERN extern
#endif
EXTERN vorbis_func_floor *_floor_P[];
EXTERN vorbis_func_residue *_residue_P[];
EXTERN vorbis_func_mapping *_mapping_P[];
#endif