[#20] Added Doxygen target in cmake

Signed-off-by: Tobias Frisch <tfrisch@uni-koblenz.de>

.gitignore

@@ -8,5 +8,3 @@
 build/
 cmake-build-debug/
 cmake-build-release/
-
-doc/

CMakeLists.txt

@@ -57,3 +57,5 @@ target_include_directories(vkcv SYSTEM BEFORE PRIVATE ${vkcv_includes})
 target_link_libraries(vkcv ${vkcv_libraries})
 
 add_subdirectory(projects)
+
+include(${vkcv_config}/ext/Doxygen.cmake)

config/ext/Doxygen.cmake

+
+# check if Doxygen is installed
+find_package(Doxygen)
+
+if (DOXYGEN_FOUND)
+	# note the option ALL which allows to build the docs together with the application
+	add_custom_target( doc_doxygen ALL
+			COMMAND ${DOXYGEN_EXECUTABLE} ${PROJECT_SOURCE_DIR}/Doxyfile
+			WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
+			COMMENT "Generating API documentation with Doxygen"
+			VERBATIM )
+else (DOXYGEN_FOUND)
+	message(WARNING "Doxygen need to be installed to generate the doxygen documentation")
+endif (DOXYGEN_FOUND)

doc/.gitignore

+html/
+latex/