Fixes #621: Improve naming for the "JIT fallback strategy" type and e…

…num values

src/cuda/api/link_options.hpp

@@ -21,9 +21,9 @@ class module_t;
 
 namespace link {
 
-enum fallback_strategy_t {
-	prefer_ptx     = 0,
-	prefer_binary  = 1,
+enum fallback_strategy_for_binary_code_t {
+	prefer_compiling_ptx            = 0,
+	prefer_using_compatible_binary  = 1,
 };
 
 using option_t = CUjit_option;
@@ -98,7 +98,7 @@ struct options_t final : public rtc::common_ptx_compilation_options_t {
 	bool obtain_target_from_cuda_context { true };
 
 	/// fallback behavior if a (matching cubin???) is not found
-	optional<fallback_strategy_t> fallback_strategy;
+	optional<fallback_strategy_for_binary_code_t> fallback_strategy;
 
 	// It _seems_ that the verbosity is a boolean setting - but this is not clear
 	bool verbose_log;