Remove cmake definitions

Author: Bill-hbrhbr

CMakeLists.txt

@@ -42,23 +42,10 @@ if(YSTDLIB_CPP_IS_TOP_LEVEL)
     # installed, this file is not necessary.
     include(build/deps/settings.cmake OPTIONAL)
 
-    # Use ystdlib-cpp's own path since there's no parent project.
-    # Note: the ending slash is needed, otherwise it gets appended to relative paths and make them
-    # into root paths, which is incorrect.
-    string(LENGTH "${CMAKE_CURRENT_LIST_DIR}/" YSTDLIB_CPP_PROJECT_SOURCE_PATH_SIZE)
-
     # If previously undefined, `BUILD_TESTING` will be set to ON.
     include(CTest)
 endif()
 
-if(DEFINED YSTDLIB_CPP_PROJECT_SOURCE_PATH_SIZE)
-    # Macro providing the length of the absolute source directory path of the project using
-    # ystdlib-cpp so we can output file name information with relative (rather than absolute) paths.
-    add_definitions(
-        "-DYSTDLIB_CPP_PROJECT_SOURCE_PATH_SIZE=${YSTDLIB_CPP_PROJECT_SOURCE_PATH_SIZE}"
-    )
-endif()
-
 if(BUILD_TESTING AND YSTDLIB_CPP_BUILD_TESTING)
     set(YSTDLIB_CPP_ENABLE_TESTS ON)
 endif()