24 #ifndef USDHYDRA_API_H 25 #define USDHYDRA_API_H 29 #if defined(PXR_STATIC) 31 # define USDHYDRA_API_TEMPLATE_CLASS(...) 32 # define USDHYDRA_API_TEMPLATE_STRUCT(...) 33 # define USDHYDRA_LOCAL 35 # if defined(USDHYDRA_EXPORTS) 36 # define USDHYDRA_API ARCH_EXPORT 37 # define USDHYDRA_API_TEMPLATE_CLASS(...) ARCH_EXPORT_TEMPLATE(class, __VA_ARGS__) 38 # define USDHYDRA_API_TEMPLATE_STRUCT(...) ARCH_EXPORT_TEMPLATE(struct, __VA_ARGS__) 40 # define USDHYDRA_API ARCH_IMPORT 41 # define USDHYDRA_API_TEMPLATE_CLASS(...) ARCH_IMPORT_TEMPLATE(class, __VA_ARGS__) 42 # define USDHYDRA_API_TEMPLATE_STRUCT(...) ARCH_IMPORT_TEMPLATE(struct, __VA_ARGS__) 44 # define USDHYDRA_LOCAL ARCH_HIDDEN Defines symbol visibility macros.