Option to disable documentation generation added

docs/CMakeLists.txt

@@ -20,9 +20,14 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
+option(GENERATE_DOCS "Generate project documenation" ON)
+if(NOT GENERATE_DOCS)
+    return()
+endif()
+
 find_package(Doxygen REQUIRED)
 find_package(Sphinx REQUIRED)
- 
+
 set(DOXYGEN_INPUT_DIR "${PROJECT_SOURCE_DIR}/src")
 set(DOXYGEN_OUTPUT_DIR "${CMAKE_CURRENT_BINARY_DIR}/doxygen")
 set(DOXYGEN_INDEX_FILE "${DOXYGEN_OUTPUT_DIR}/xml/index.xml")
@@ -45,10 +50,10 @@ add_custom_command(OUTPUT "${DOXYGEN_INDEX_FILE}"
                    MAIN_DEPENDENCY "${DOXYFILE_OUT}" "${DOXYFILE_IN}"
                    COMMENT "Generating doxygen XML metadata"
                    VERBATIM)
- 
+
 # Nice named target so we can run the job easily
 add_custom_target(doxygen ALL DEPENDS "${DOXYGEN_INDEX_FILE}")
- 
+
 set(SPHINX_SOURCE "${CMAKE_CURRENT_SOURCE_DIR}")
 set(SPHINX_BUILD "${CMAKE_CURRENT_BINARY_DIR}/sphinx")
 set(SPHINX_INDEX_FILE "${SPHINX_BUILD}/index.html")
@@ -225,10 +230,10 @@ add_custom_command(OUTPUT "${SPHINX_INDEX_FILE}"
                        "${DOXYGEN_INDEX_FILE}"
                    MAIN_DEPENDENCY "${SPHINX_SOURCE}/conf.py"
                    COMMENT "Generating documentation with Sphinx")
- 
+
 # Nice named target so we can run the job easily
 add_custom_target(sphinx ALL DEPENDS ${SPHINX_INDEX_FILE})
- 
+
 # Add an install target to install the docs
 include(GNUInstallDirs)
 install(DIRECTORY ${SPHINX_BUILD}