(cmake) Update library output directory (#1080)

Author: matthewdouglas

CMakeLists.txt

@@ -214,10 +214,10 @@ if(WIN32)
 endif()
 set_target_properties(bitsandbytes PROPERTIES OUTPUT_NAME ${BNB_OUTPUT_NAME})
 if(MSVC)
-    set_target_properties(bitsandbytes PROPERTIES LIBRARY_OUTPUT_DIRECTORY_RELEASE bitsandbytes)
-    set_target_properties(bitsandbytes PROPERTIES LIBRARY_OUTPUT_DIRECTORY_DEBUG bitsandbytes)
-    set_target_properties(bitsandbytes PROPERTIES RUNTIME_OUTPUT_DIRECTORY_RELEASE bitsandbytes)
-    set_target_properties(bitsandbytes PROPERTIES RUNTIME_OUTPUT_DIRECTORY_DEBUG bitsandbytes)
+    set_target_properties(bitsandbytes PROPERTIES LIBRARY_OUTPUT_DIRECTORY_RELEASE "${PROJECT_SOURCE_DIR}/bitsandbytes")
+    set_target_properties(bitsandbytes PROPERTIES LIBRARY_OUTPUT_DIRECTORY_DEBUG "${PROJECT_SOURCE_DIR}/bitsandbytes")
+    set_target_properties(bitsandbytes PROPERTIES RUNTIME_OUTPUT_DIRECTORY_RELEASE "${PROJECT_SOURCE_DIR}/bitsandbytes")
+    set_target_properties(bitsandbytes PROPERTIES RUNTIME_OUTPUT_DIRECTORY_DEBUG "${PROJECT_SOURCE_DIR}/bitsandbytes")
 endif()
 
 set_target_properties(bitsandbytes PROPERTIES LIBRARY_OUTPUT_DIRECTORY bitsandbytes)