[CMake] Enabled Unity builds for Base-, Geo-, Math- and MeshLib.

CMakeLists.txt

@@ -298,6 +298,8 @@ if(BUILD_TESTING AND NOT IS_SUBPROJECT)
     add_subdirectory(Tests)
 endif()
 
+include(UnityBuildSettings)
+
 file(WRITE ${PROJECT_BINARY_DIR}/disabled-tests.log "${DISABLED_TESTS_LOG}")
 unset(DISABLED_TESTS_LOG CACHE) # Don't write to CMakeCache.txt
 

scripts/cmake/UnityBuildSettings.cmake

+set_target_properties(BaseLib PROPERTIES UNITY_BUILD ON
+    UNITY_BUILD_BATCH_SIZE 8)
+set_target_properties(GeoLib PROPERTIES UNITY_BUILD ON
+    UNITY_BUILD_BATCH_SIZE 40)
+set_target_properties(MathLib PROPERTIES UNITY_BUILD ON
+    UNITY_BUILD_BATCH_SIZE 10)
+set_target_properties(MeshLib PROPERTIES UNITY_BUILD ON
+    UNITY_BUILD_BATCH_SIZE 40)