add local compiler preference

Author: apozharski

CUDACore/lib/cudadrv/version.jl

@@ -100,7 +100,7 @@ other tools. This is version separately from the CUDA Runtime, in order to ensur
 compatibility with the driver, and make sure we use the latest compatible version regardless
 of the selected runtime.
 """
-compiler_version() = CUDA_Compiler_jll.cuda_version
+compiler_version() = CUDA_Compiler.cuda_version
 
 
 ## helpers

CUDACore/src/CUDACore.jl

@@ -31,8 +31,6 @@ using LLVMLoopInfo
 
 using CUDA_Driver_jll
 
-using CUDA_Compiler_jll
-
 import CUDA_Runtime_jll
 const local_toolkit = CUDA_Runtime_jll.host_platform["cuda_local"] == "true"
 const toolkit_version = if CUDA_Runtime_jll.host_platform["cuda"] == "none"
@@ -49,6 +47,15 @@ else
 end
 
 import Preferences
+const local_compiler = @load_preference("local_compiler", "false") == "true"
+
+if local_compiler
+    using CUDA_Runtime_Discovery
+    const CUDA_Compiler = CUDA_Runtime_Discovery
+else
+    using CUDA_Compiler_jll
+    const CUDA_Compiler = CUDA_Compiler_jll
+end
 
 using Libdl