cmake: Create the compile command database by default.
diff --git a/cmake/Modules/DefineCMakeDefaults.cmake b/cmake/Modules/DefineCMakeDefaults.cmake
index 72893c3..22eda6f 100644
--- a/cmake/Modules/DefineCMakeDefaults.cmake
+++ b/cmake/Modules/DefineCMakeDefaults.cmake
@@ -25,3 +25,6 @@
       "Choose the type of build, options are: None Debug Release RelWithDebInfo MinSizeRel."
   )
 endif (NOT CMAKE_BUILD_TYPE)
+
+# Create the compile command database for clang by default
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)