Merge branch 'Merge2Main' into 'main'

Add doxygen

See merge request inmcm60_pbl/inmcm60_sfx!13

CMakeLists.txt

@@ -2,10 +2,26 @@ 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)
+option(SFX_CHECK_NAN    "Build documentation"    OFF)
 
 project(INMCM_sfx)
 enable_language(Fortran)
 
+if(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)
+endif(BUILD_DOC)
+
 if (SFX_CHECK_NAN)
     add_definitions(-DSFX_CHECK_NAN)
 endif ()