Revert changes in CMakeLists.txt for docs

docs/CMakeLists.txt

@@ -23,14 +23,14 @@ add_custom_command(OUTPUT ${DOXYGEN_INDEX_FILE}
                    MAIN_DEPENDENCY ${DOXYFILE_OUT} ${DOXYFILE_IN}
                    MAIN_DEPENDENCY ${DOXYFILE_OUT} ${DOXYFILE_IN}
                    COMMENT "Generating docs")
                    COMMENT "Generating docs")
 
 
-add_custom_target(Doxygen DEPENDS ${DOXYGEN_INDEX_FILE})
+add_custom_target(Doxygen ALL DEPENDS ${DOXYGEN_INDEX_FILE})
 
 
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/conf.py.in ${CMAKE_CURRENT_SOURCE_DIR}/conf.py @ONLY)
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/conf.py.in ${CMAKE_CURRENT_SOURCE_DIR}/conf.py @ONLY)
 
 
 set(SPHINX_SOURCE ${CMAKE_CURRENT_SOURCE_DIR})
 set(SPHINX_SOURCE ${CMAKE_CURRENT_SOURCE_DIR})
 set(SPHINX_BUILD ${CMAKE_CURRENT_BINARY_DIR}/sphinx)
 set(SPHINX_BUILD ${CMAKE_CURRENT_BINARY_DIR}/sphinx)
 
 
-add_custom_target(Sphinx
+add_custom_target(Sphinx ALL
                   COMMAND ${SPHINX_EXECUTABLE} -b html
                   COMMAND ${SPHINX_EXECUTABLE} -b html
 				  -Dbreathe_projects.${PROJECT_NAME}=${DOXYGEN_OUTPUT_DIR}/xml
 				  -Dbreathe_projects.${PROJECT_NAME}=${DOXYGEN_OUTPUT_DIR}/xml
                   ${SPHINX_SOURCE} ${SPHINX_BUILD}
                   ${SPHINX_SOURCE} ${SPHINX_BUILD}