message: Use OSPRAY_SDK_INTERFACE for exported non-API functions
diff: @@ -85,7 +85,7 @@ namespace ospray {
  void initFromCommandLine(int *ac = nullptr, const char ***av = nullptr);
  /*! for debugging. compute a checksum for given area range... */
  - OSPRAY_INTERFACE void *computeCheckSum(const void *ptr, size_t numBytes);
  + OSPRAY_SDK_INTERFACE void *computeCheckSum(const void *ptr, size_t numBytes);
  #ifndef Assert
  #ifdef NDEBUG
  @@ -103,21 +103,21 @@ namespace ospray {
  #endif
  /*! size of OSPDataType */
  - OSPRAY_INTERFACE size_t sizeOf(const OSPDataType);
  + OSPRAY_SDK_INTERFACE size_t sizeOf(const OSPDataType);
  /*! Convert a type string to an OSPDataType. */
  - OSPRAY_INTERFACE OSPDataType typeForString(const char *string);
  + OSPRAY_SDK_INTERFACE OSPDataType typeForString(const char *string);
  /*! Convert a type string to an OSPDataType. */
  inline OSPDataType typeForString(const std::string &s)
  { return typeForString(s.c_str()); }
  /*! Convert a type string to an OSPDataType. */
  - OSPRAY_INTERFACE std::string stringForType(OSPDataType type);
  + OSPRAY_SDK_INTERFACE std::string stringForType(OSPDataType type);
  /*! size of OSPTextureFormat */
  - OSPRAY_INTERFACE size_t sizeOf(const OSPTextureFormat);
  + OSPRAY_SDK_INTERFACE size_t sizeOf(const OSPTextureFormat);
  - OSPRAY_INTERFACE int loadLocalModule(const std::string &name);
  + OSPRAY_SDK_INTERFACE int loadLocalModule(const std::string &name);
  /*! little helper class that prints out a warning string upon the
  first time it is encountered.
  @@ -136,12 +136,12 @@ namespace ospray {
  const std::string s;
  };
  - OSPRAY_INTERFACE uint32_t logLevel();
  + OSPRAY_SDK_INTERFACE uint32_t logLevel();
  - OSPRAY_INTERFACE void postStatusMsg(const std::stringstream &msg,
  + OSPRAY_SDK_INTERFACE void postStatusMsg(const std::stringstream &msg,
  uint32_t postAtLogLevel = 0);
  - OSPRAY_INTERFACE void postStatusMsg(const std::string &msg,
  + OSPRAY_SDK_INTERFACE void postStatusMsg(const std::string &msg,
  uint32_t postAtLogLevel = 0);
  struct OSPRAY_SDK_INTERFACE StatusMsgStream
  @@ -167,13 +167,13 @@ namespace ospray {
  return std::forward<StatusMsgStream>(stream);
  }
  - OSPRAY_INTERFACE StatusMsgStream postStatusMsg(uint32_t postAtLogLevel = 0);
  + OSPRAY_SDK_INTERFACE StatusMsgStream postStatusMsg(uint32_t postAtLogLevel = 0);
  - OSPRAY_INTERFACE void handleError(const std::exception &e);
  + OSPRAY_SDK_INTERFACE void handleError(const std::exception &e);
  // RTTI hash ID lookup helper functions ///////////////////////////////////
  - OSPRAY_INTERFACE size_t translatedHash(size_t v);
  + OSPRAY_SDK_INTERFACE size_t translatedHash(size_t v);
  template <typename T>
  inline size_t typeIdOf()
  