1CMAKE_UNITY_BUILD_BATCH_SIZE 2---------------------------- 3 4.. versionadded:: 3.16 5 6This variable is used to initialize the :prop_tgt:`UNITY_BUILD_BATCH_SIZE` 7property of targets when they are created. It specifies the default upper 8limit on the number of source files that may be combined in any one unity 9source file when unity builds are enabled for a target. 10