Doxygen related fixes

doc/doxygen.conf

@@ -2321,7 +2321,7 @@ DIA_PATH               =
 # and usage relations if the target is undocumented or is not a class.
 # The default value is: YES.
 
-HIDE_UNDOC_RELATIONS   = YES
+HIDE_UNDOC_RELATIONS   = NO
 
 # If you set the HAVE_DOT tag to YES then doxygen will assume the dot tool is
 # available from the path. This tool is part of Graphviz (see:
@@ -2557,7 +2557,7 @@ PLANTUML_INCLUDE_PATH  =
 # Minimum value: 0, maximum value: 10000, default value: 50.
 # This tag requires that the tag HAVE_DOT is set to YES.
 
-DOT_GRAPH_MAX_NODES    = 50
+DOT_GRAPH_MAX_NODES    = 70
 
 # The MAX_DOT_GRAPH_DEPTH tag can be used to set the maximum depth of the graphs
 # generated by dot. A depth value of 3 means that only nodes reachable from the

doc/doxygen.warnings.report.sh

@@ -15,7 +15,6 @@ STANDARDLOGFILE=doxygen.log
 WARNINGSLOGFILE=doxygen.warnings.log
 # Default choice:  generate it
 LOG="$DIR/$WARNINGSLOGFILE"
-
 # Verbose log
 VERBLOG="$DIR/doxygen.verbose.log"
 
@@ -309,7 +308,10 @@ if [ $skip_doxy -eq 1 ]; then
 else
 
     # Modify doxygen.conf to generate all the warnings
-    # (We also suppress dot graphs, so shorten the run time.)
+    # We keep dot active to generate graphs in the documentaion
+    # (see for example PacketTagList) and warn about ill-formed
+    # graphs, but we disable all the doxygen-generated diagrams
+    # to shorten the run time.
 
     conf=doc/doxygen.conf
     cp $conf ${conf}.bak
@@ -317,12 +319,20 @@ else
 
     # doxygen.warnings.report.sh:
     EXTRACT_ALL = no
-    HAVE_DOT = no
-    CLASS_DIAGRAMS = no
     WARNINGS = no
+    WARN_LOGFILE = doc/$WARNINGSLOGFILE
     SOURCE_BROWSER = no
     HTML_OUTPUT = html-warn
-    WARN_LOGFILE = doc/$WARNINGSLOGFILE
+    CLASS_DIAGRAMS = no
+    CLASS_GRAPH = no
+    COLLABORATION_GRAPH = no
+    GROUP_GRAPHS = no
+    INCLUDE_GRAPH = no
+    INCLUDED_BY_GRAPH = no
+    CALL_GRAPH = no
+    CALLER_GRAPH = no
+    GRAPHICAL_HIERARCHY = no
+    DIRECTORY_GRAPH = no
 EOF