Port to rapids-cmake.

- Add export sets
- Add install rules
- Remove manual CPM import, port to rapids_cpm_*, etc
- Organize CMake code into cmake/*.cmake files.
- NVBench is now a shared library.

cmake/NVBenchConfigTarget.cmake

@@ -0,0 +1,14 @@
+# Builds all NVBench targets (libs, tests, examples, etc).
+add_custom_target(nvbench.all)
+
+set(NVBench_LIBRARY_OUTPUT_DIR "${CMAKE_BINARY_DIR}/lib")
+set(NVBench_EXECUTABLE_OUTPUT_DIR "${CMAKE_BINARY_DIR}/bin")
+
+function(nvbench_config_target target_name)
+  set_target_properties(${target_name} PROPERTIES
+    ARCHIVE_OUTPUT_DIRECTORY "${NVBench_LIBRARY_OUTPUT_DIR}"
+    LIBRARY_OUTPUT_DIRECTORY "${NVBench_LIBRARY_OUTPUT_DIR}"
+    RUNTIME_OUTPUT_DIRECTORY "${NVBench_EXECUTABLE_OUTPUT_DIR}"
+    WINDOWS_EXPORT_ALL_SYMBOLS ON # oooo pretty hammer...
+  )
+endfunction()