Add doxygen

CMakeLists.txt

@@ -2,14 +2,25 @@ cmake_minimum_required(VERSION 3.0)
 
 option(INCLUDE_CUDA "GPU build in mode"    OFF)
 option(INCLUDE_CXX  "CXX build in mode"    OFF)
-
+option(BUILD_DOC    "Build documentation"    OFF)
+
+if(BUILD_DOC)
+
+endif(BUILD_DOC)
+    find_package(Doxygen)
+    if (DOXYGEN_FOUND)
+        set(DOXYGEN_IN ../doxygen/config)    # doxygen config file
+
+        # option ALL allows to build the docs together with the code
+        add_custom_target( doc_doxygen ALL
+            COMMAND ${DOXYGEN_EXECUTABLE} ${DOXYGEN_IN}
+            WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR} ) # WORKING_DIRECTORY: Execute the command with the given current working directory. If it is a relative path it will be interpreted relative to the build tree directory corresponding to the current source directory.
+    else()
+    message("Doxygen need to be installed to generate the doxygen documentation")
+    endif (DOXYGEN_FOUND)
 project(INMCM_sfx)
 enable_language(Fortran)
 
-if (SFX_CHECK_NAN)
-    add_definitions(-DSFX_CHECK_NAN)
-endif ()
-
 if(INCLUDE_CXX)
     set(RUN_MACRO -DINCLUDE_CXX)
 endif(INCLUDE_CXX)
@@ -96,10 +107,3 @@ set(CMAKE_Fortran_FLAGS " -cpp ")
 add_executable(drag ${SOURCES})
 add_definitions(${RUN_MACRO})
 set_property(TARGET drag PROPERTY LINKER_LANGUAGE Fortran)
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-
-#copy data on post build
-add_custom_command(
-        TARGET drag POST_BUILD
-        COMMAND ${CMAKE_COMMAND} -E copy_directory
-        ${CMAKE_SOURCE_DIR}/data
-        ${CMAKE_CURRENT_BINARY_DIR}/data)
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