$NetBSD$

--- engine/lib/openal/NetBSD/AL/alc.h.orig	2016-07-30 11:47:19.701489377 +0000
+++ engine/lib/openal/NetBSD/AL/alc.h
@@ -0,0 +1,71 @@
+#ifndef ALC_CONTEXT_H_
+#define ALC_CONTEXT_H_
+
+#include <AL/alctypes.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define ALC_VERSION_0_1         1
+
+#ifdef _WIN32
+#define ALAPI      __declspec(dllexport)
+#define ALAPIENTRY __cdecl
+#else  /* _WIN32 */
+#define ALAPI
+#define ALAPIENTRY
+#define AL_CALLBACK
+#endif /* _WIN32 */
+
+#ifndef AL_NO_PROTOTYPES
+
+ALAPI void * ALAPIENTRY alcCreateContext( ALint* attrlist );
+
+/**
+ * There is no current context, as we can mix
+ *  several active contexts. But al* calls
+ *  only affect the current context.
+ */
+ALAPI ALCenum ALAPIENTRY alcMakeContextCurrent( ALvoid *alcHandle );
+
+/** ??? */
+ALAPI void *  ALAPIENTRY alcUpdateContext( ALvoid *alcHandle );
+
+ALAPI ALCenum ALAPIENTRY alcDestroyContext( ALvoid *alcHandle );
+
+ALAPI ALCenum ALAPIENTRY alcGetError( ALvoid );
+
+ALAPI const ALubyte * ALAPIENTRY alcGetErrorString(ALenum param);
+
+ALAPI void * ALAPIENTRY alcGetCurrentContext( ALvoid );
+
+#else
+//
+//      void *	(*alcCreateContext)( ALint* attrlist );
+//
+//      /**
+//       * There is no current context, as we can mix
+//       *  several active contexts. But al* calls
+//       *  only affect the current context.
+//       */
+//      ALCenum	(*alcMakeContextCurrent)( ALvoid *alcHandle );
+//
+//      /** ??? */
+//      void *	(*alcUpdateContext)( ALvoid *alcHandle );
+//      
+//      ALCenum	(*alcDestroyContext)( ALvoid *alcHandle );
+//
+//      ALCenum	(*alcGetError) ( ALvoid );
+//
+//      const ALubyte *(*alcGetErrorString)(ALenum param);
+//
+//      void *         (*alcGetCurrentContext)( ALvoid );
+//
+#endif /* AL_NO_PROTOTYPES */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ALC_CONTEXT_H_ */