Set up Doxygen

.gitignore

 build
+docs/html

CMakeLists.txt

@@ -3,10 +3,13 @@ project(macaon)
 
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake/Modules")
 
+option(BUILD_DOC "Build documentation" ON)
+
 find_package(dynet REQUIRED)
 find_package(eigen3 REQUIRED)
 find_package(Boost REQUIRED COMPONENTS program_options)
 find_package(fasttext REQUIRED)
+find_package(Doxygen REQUIRED)
 
 set(CMAKE_VERBOSE_MAKEFILE 0)
 set(CMAKE_CXX_STANDARD 11)
@@ -31,3 +34,11 @@ add_subdirectory(tape_machine)
 add_subdirectory(trainer)
 add_subdirectory(decoder)
 add_subdirectory(MLP)
+
+set(DOXYGEN_IN ${CMAKE_CURRENT_SOURCE_DIR}/docs/config)
+
+add_custom_target( doc_doxygen ALL
+  COMMAND ${DOXYGEN_EXECUTABLE} ${DOXYGEN_IN}
+  WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+  COMMENT "Generating documentation with Doxygen"
+  VERBATIM )