clean up doxygen warnings

CMakeLists.txt

@@ -26,7 +26,7 @@ if (DOXYGEN_FOUND)
     message("Doxygen build started")
 
     # note the option ALL which allows to build the docs together with the application
-    add_custom_target(doc_doxygen ALL
+    add_custom_target(docs ALL
         COMMAND ${DOXYGEN_EXECUTABLE} ${DOXYGEN_OUT}
         WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
         COMMENT "Generating API documentation with Doxygen"

docs/Doxyfile.in

@@ -12,7 +12,6 @@ OUTPUT_DIRECTORY       = @CMAKE_CURRENT_BINARY_DIR@/doxygen
 CREATE_SUBDIRS         = YES
 ALLOW_UNICODE_NAMES    = YES
 OUTPUT_LANGUAGE        = English
-OUTPUT_TEXT_DIRECTION  = None
 BRIEF_MEMBER_DESC      = YES
 REPEAT_BRIEF           = YES
 ABBREVIATE_BRIEF       = "The $name class" \
@@ -108,7 +107,7 @@ CITE_BIB_FILES         = @CMAKE_CURRENT_SOURCE_DIR@/ESTA.bib \
 #---------------------------------------------------------------------------
 # Configuration options related to warning and progress messages
 #---------------------------------------------------------------------------
-QUIET                  = NO
+QUIET                  = YES
 WARNINGS               = YES
 WARN_IF_UNDOCUMENTED   = YES
 WARN_IF_DOC_ERROR      = YES
@@ -239,7 +238,6 @@ PDF_HYPERLINKS         = YES
 USE_PDFLATEX           = YES
 LATEX_BATCHMODE        = NO
 LATEX_HIDE_INDICES     = NO
-LATEX_SOURCE_CODE      = NO
 LATEX_BIB_STYLE        = plain
 LATEX_TIMESTAMP        = NO
 LATEX_EMOJI_DIRECTORY  =
@@ -252,7 +250,6 @@ COMPACT_RTF            = NO
 RTF_HYPERLINKS         = NO
 RTF_STYLESHEET_FILE    =
 RTF_EXTENSIONS_FILE    =
-RTF_SOURCE_CODE        = NO
 #---------------------------------------------------------------------------
 # Configuration options related to the man page output
 #---------------------------------------------------------------------------
@@ -273,7 +270,6 @@ XML_NS_MEMB_FILE_SCOPE = NO
 #---------------------------------------------------------------------------
 GENERATE_DOCBOOK       = NO
 DOCBOOK_OUTPUT         = docbook
-DOCBOOK_PROGRAMLISTING = NO
 #---------------------------------------------------------------------------
 # Configuration options for the AutoGen Definitions output
 #---------------------------------------------------------------------------