diff -rupN libkml-1.3.0/src/swig/CMakeLists.txt libkml-1.3.0-new/src/swig/CMakeLists.txt
--- libkml-1.3.0/src/swig/CMakeLists.txt	2015-12-21 18:23:05.000000000 +0100
+++ libkml-1.3.0-new/src/swig/CMakeLists.txt	2017-08-07 21:26:23.717928168 +0200
@@ -23,12 +23,6 @@ if(WITH_PYTHON)
     set_source_files_properties( ${CMAKE_CURRENT_BINARY_DIR}/${MODULE_NAME}PYTHON_wrap.cxx COMPILE_FLAGS "-Wno-long-long" )
     swig_add_module(${MODULE_NAME} python ${INTERFACE_FILE})
     swig_link_libraries(${MODULE_NAME} kmlbase kmlengine kmldom ${PYTHON_LIBRARIES})
-    add_custom_command(
-      TARGET _${MODULE_NAME}
-      POST_BUILD
-      COMMAND ${CMAKE_COMMAND} -E echo "Byte-compiling ${MODULE_NAME}.py"
-      COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_SOURCE_DIR}/cmake/pycompile.py ${CMAKE_CURRENT_BINARY_DIR}/${MODULE_NAME}.py
-      DEPENDS kmlbase kmlengine kmldom)
 
     install(TARGETS
       _${MODULE_NAME}
@@ -36,7 +30,6 @@ if(WITH_PYTHON)
 
     install(FILES
       ${CMAKE_CURRENT_BINARY_DIR}/${MODULE_NAME}.py
-      ${CMAKE_CURRENT_BINARY_DIR}/${MODULE_NAME}.pyc
       DESTINATION ${PYTHON_INSTALL_DIR})
 
   endforeach()