Update cleanup.cmake

cleanup.cmake

@@ -2,35 +2,51 @@
 ## cmake/cleanup.cmake
 
 # Clean build artifacts
+
+# Remove CMake-generated build directory contents
 file(REMOVE_RECURSE "${CMAKE_BINARY_DIR}/CMakeFiles")
 file(REMOVE "${CMAKE_BINARY_DIR}/Makefile")
+
+# Remove additional build artifacts and directories
 file(REMOVE_RECURSE "${CMAKE_BINARY_DIR}/src")
 file(REMOVE_RECURSE "${CMAKE_BINARY_DIR}/test")
 file(REMOVE "${CMAKE_BINARY_DIR}/black_scholes_cpp")
 
 
 # Clean compiled object files and libraries
+
+# Gather a list of generated object files and libraries
 file(GLOB_RECURSE cmake_generated_files "${CMAKE_BINARY_DIR}/*.o" "${CMAKE_BINARY_DIR}/*.a")
 
+# Iterate through the list and remove each file
 foreach(file ${cmake_generated_files})
     file(REMOVE "${file}")
 endforeach()
 
 
 # Clean compiled executables
+
+# Gather a list of generated executables
 file(GLOB cmake_executables "${CMAKE_BINARY_DIR}/*")
 
+# Iterate through the list and remove each file or directory
 foreach(file ${cmake_executables})
+    # If the current item in the list is a directory and not the 'cmake' directory,
     if(IS_DIRECTORY "${file}" AND NOT "${file}" STREQUAL "${CMAKE_BINARY_DIR}/cmake")
+        ## recursively remove the directory and its contents.
         file(REMOVE_RECURSE "${file}")
+    # Else if the current item is not a directory and not the 'CMake' directory,
     elseif(NOT "${file}" STREQUAL "${CMAKE_BINARY_DIR}/cmake")
+        ## remove the individual file.
         file(REMOVE "${file}")
     endif()
 endforeach()
 
 
 # Clean CTest artifacts
+
+# Remove CTest-generated testing artifacts
 file(REMOVE_RECURSE "${CMAKE_BINARY_DIR}/Testing")
 
-# Display successful message
+# Display successful cleanup message
 message(STATUS "Build artifacts cleaned.")