tree-ssa.doxy: Update for doxygen 1.5.

	* tree-ssa.doxy: Update for doxygen 1.5.
	Include all the files in the middle and back ends.

From-SVN: r127349

contrib/ChangeLog

+2007-08-10  Diego Novillo  <dnovillo@google.com>
+
+	* tree-ssa.doxy: Update for doxygen 1.5.
+	Include all the files in the middle and back ends.
+
 2007-06-30  Hans-Peter Nilsson  <hp@axis.com>
 
 	* gcc_update (files_and_dependencies): Handle

contrib/tree-ssa.doxy

-# Doxyfile 1.3.5
+# Doxyfile 1.5.2
 
 # This file describes the settings to be used by the documentation system
 # doxygen (www.doxygen.org) for a project
@@ -27,7 +27,8 @@ OUTPUT_DIRECTORY       = @OUTPUT_DIRECTORY@
 # by executing (via popen()) the command <filter> <input-file>, where <filter> 
 # is the value of the INPUT_FILTER tag, and <input-file> is the name of an 
 # input file. Doxygen will then use the output that the filter program writes 
-# to standard output.
+# to standard output.  If FILTER_PATTERNS is specified, this tag will be 
+# ignored.
 
 INPUT_FILTER           = @INPUT_FILTER@
 
@@ -40,10 +41,18 @@ INPUT_FILTER           = @INPUT_FILTER@
 # Project related configuration options
 #---------------------------------------------------------------------------
 
+# This tag specifies the encoding used for all characters in the config file that 
+# follow. The default is UTF-8 which is also the encoding used for all text before 
+# the first occurrence of this tag. Doxygen uses libiconv (or the iconv built into 
+# libc) for the transcoding. See http://www.gnu.org/software/libiconv for the list of 
+# possible encodings.
+
+DOXYFILE_ENCODING      = UTF-8
+
 # The PROJECT_NAME tag is a single word (or a sequence of words surrounded 
 # by quotes) that should identify the project.
 
-PROJECT_NAME           = "Tree SSA"
+PROJECT_NAME           = "GCC Middle and Back End API Reference"
 
 # The PROJECT_NUMBER tag can be used to enter a project or revision number. 
 # This could be handy for archiving the generated documentation or 
@@ -51,28 +60,27 @@ PROJECT_NAME           = "Tree SSA"
 
 PROJECT_NUMBER         = 
 
+# If the CREATE_SUBDIRS tag is set to YES, then doxygen will create 
+# 4096 sub-directories (in 2 levels) under the output directory of each output 
+# format and will distribute the generated files over these directories. 
+# Enabling this option can be useful when feeding doxygen a huge amount of 
+# source files, where putting all generated files in the same directory would 
+# otherwise cause performance problems for the file system.
+
+CREATE_SUBDIRS         = NO
 
 # The OUTPUT_LANGUAGE tag is used to specify the language in which all 
 # documentation generated by doxygen is written. Doxygen will use this 
 # information to generate all constant output in the proper language. 
 # The default language is English, other supported languages are: 
-# Brazilian, Catalan, Chinese, Chinese-Traditional, Croatian, Czech, Danish, Dutch, 
-# Finnish, French, German, Greek, Hungarian, Italian, Japanese, Japanese-en 
-# (Japanese with English messages), Korean, Norwegian, Polish, Portuguese, 
-# Romanian, Russian, Serbian, Slovak, Slovene, Spanish, Swedish, and Ukrainian.
+# Afrikaans, Arabic, Brazilian, Catalan, Chinese, Chinese-Traditional, 
+# Croatian, Czech, Danish, Dutch, Finnish, French, German, Greek, Hungarian, 
+# Italian, Japanese, Japanese-en (Japanese with English messages), Korean, 
+# Korean-en, Lithuanian, Norwegian, Polish, Portuguese, Romanian, Russian, 
+# Serbian, Slovak, Slovene, Spanish, Swedish, and Ukrainian.
 
 OUTPUT_LANGUAGE        = English
 
-# This tag can be used to specify the encoding used in the generated output. 
-# The encoding is not always determined by the language that is chosen, 
-# but also whether or not the output is meant for Windows or non-Windows users. 
-# In case there is a difference, setting the USE_WINDOWS_ENCODING tag to YES 
-# forces the Windows encoding (this is the default for the Windows binary), 
-# whereas setting the tag to NO uses a Unix-style encoding (the default for 
-# all platforms other than Windows).
-
-USE_WINDOWS_ENCODING   = NO
-
 # If the BRIEF_MEMBER_DESC tag is set to YES (the default) Doxygen will 
 # include brief member descriptions after the members that are listed in 
 # the file and class documentation (similar to JavaDoc). 
@@ -90,11 +98,12 @@ REPEAT_BRIEF           = YES
 # This tag implements a quasi-intelligent brief description abbreviator 
 # that is used to form the text in various listings. Each string 
 # in this list, if found as the leading text of the brief description, will be 
-# stripped from the text and the result after processing the whole list, is used 
-# as the annotated text. Otherwise, the brief description is used as-is. If left 
-# blank, the following values are used ("$name" is automatically replaced with the 
-# name of the entity): "The $name class" "The $name widget" "The $name file" 
-# "is" "provides" "specifies" "contains" "represents" "a" "an" "the"
+# stripped from the text and the result after processing the whole list, is 
+# used as the annotated text. Otherwise, the brief description is used as-is. 
+# If left blank, the following values are used ("$name" is automatically 
+# replaced with the name of the entity): "The $name class" "The $name widget" 
+# "The $name file" "is" "provides" "specifies" "contains" 
+# "represents" "a" "an" "the"
 
 ABBREVIATE_BRIEF       = 
 
@@ -104,10 +113,10 @@ ABBREVIATE_BRIEF       =
 
 ALWAYS_DETAILED_SEC    = YES
 
-# If the INLINE_INHERITED_MEMB tag is set to YES, doxygen will show all inherited 
-# members of a class in the documentation of that class as if those members were 
-# ordinary class members. Constructors, destructors and assignment operators of 
-# the base classes will not be shown.
+# If the INLINE_INHERITED_MEMB tag is set to YES, doxygen will show all 
+# inherited members of a class in the documentation of that class as if those 
+# members were ordinary class members. Constructors, destructors and assignment 
+# operators of the base classes will not be shown.
 
 INLINE_INHERITED_MEMB  = YES
 
@@ -120,10 +129,21 @@ FULL_PATH_NAMES        = NO
 # If the FULL_PATH_NAMES tag is set to YES then the STRIP_FROM_PATH tag 
 # can be used to strip a user-defined part of the path. Stripping is 
 # only done if one of the specified strings matches the left-hand part of 
-# the path. It is allowed to use relative paths in the argument list.
+# the path. The tag can be used to show relative paths in the file list. 
+# If left blank the directory from which doxygen is run is used as the 
+# path to strip.
 
 STRIP_FROM_PATH        = 
 
+# The STRIP_FROM_INC_PATH tag can be used to strip a user-defined part of 
+# the path mentioned in the documentation of a class, which tells 
+# the reader which header file to include in order to use a class. 
+# If left blank only the name of the header file containing the class 
+# definition is used. Otherwise one should specify the include paths that 
+# are normally passed to the compiler using the -I flag.
+
+STRIP_FROM_INC_PATH    = 
+
 # If the SHORT_NAMES tag is set to YES, doxygen will generate much shorter 
 # (but less readable) file names. This can be useful is your file systems 
 # doesn't support long names like on DOS, Mac, or CD-ROM.
@@ -159,12 +179,11 @@ DETAILS_AT_TOP         = NO
 
 INHERIT_DOCS           = YES
 
-# If member grouping is used in the documentation and the DISTRIBUTE_GROUP_DOC 
-# tag is set to YES, then doxygen will reuse the documentation of the first 
-# member in the group (if any) for the other members of the group. By default 
-# all members of a group must be documented explicitly.
+# If the SEPARATE_MEMBER_PAGES tag is set to YES, then doxygen will produce 
+# a new page for each member. If set to NO, the documentation of a member will 
+# be part of the file/class/namespace that contains it.
 
-DISTRIBUTE_GROUP_DOC   = NO
+SEPARATE_MEMBER_PAGES  = NO
 
 # The TAB_SIZE tag can be used to set the number of spaces in a tab. 
 # Doxygen uses this value to replace tabs by spaces in code fragments.
@@ -180,20 +199,41 @@ TAB_SIZE               = 8
 
 ALIASES                = 
 
-# Set the OPTIMIZE_OUTPUT_FOR_C tag to YES if your project consists of C sources 
-# only. Doxygen will then generate output that is more tailored for C. 
+# Set the OPTIMIZE_OUTPUT_FOR_C tag to YES if your project consists of C 
+# sources only. Doxygen will then generate output that is more tailored for C. 
 # For instance, some of the names that are used will be different. The list 
 # of all members will be omitted, etc.
 
 OPTIMIZE_OUTPUT_FOR_C  = YES
 
-# Set the OPTIMIZE_OUTPUT_JAVA tag to YES if your project consists of Java sources 
-# only. Doxygen will then generate output that is more tailored for Java. 
+# Set the OPTIMIZE_OUTPUT_JAVA tag to YES if your project consists of Java 
+# sources only. Doxygen will then generate output that is more tailored for Java. 
 # For instance, namespaces will be presented as packages, qualified scopes 
 # will look different, etc.
 
 OPTIMIZE_OUTPUT_JAVA   = NO
 
+# If you use STL classes (i.e. std::string, std::vector, etc.) but do not want to 
+# include (a tag file for) the STL sources as input, then you should 
+# set this tag to YES in order to let doxygen match functions declarations and 
+# definitions whose arguments contain STL classes (e.g. func(std::string); v.s. 
+# func(std::string) {}). This also make the inheritance and collaboration 
+# diagrams that involve STL classes more complete and accurate.
+
+BUILTIN_STL_SUPPORT    = NO
+
+# If you use Microsoft's C++/CLI language, you should set this option to YES to
+# enable parsing support.
+
+CPP_CLI_SUPPORT        = NO
+
+# If member grouping is used in the documentation and the DISTRIBUTE_GROUP_DOC 
+# tag is set to YES, then doxygen will reuse the documentation of the first 
+# member in the group (if any) for the other members of the group. By default 
+# all members of a group must be documented explicitly.
+
+DISTRIBUTE_GROUP_DOC   = NO
+
 # Set the SUBGROUPING tag to YES (the default) to allow class member groups of 
 # the same type (for instance a group of public functions) to be put as a 
 # subgroup of that type (e.g. under the Public Functions section). Set it to 
@@ -229,6 +269,13 @@ EXTRACT_STATIC         = YES
 
 EXTRACT_LOCAL_CLASSES  = YES
 
+# This flag is only useful for Objective-C code. When set to YES local 
+# methods, which are defined in the implementation section but not in 
+# the interface are included in the documentation. 
+# If set to NO (the default) only methods in the interface are included.
+
+EXTRACT_LOCAL_METHODS  = NO
+
 # If the HIDE_UNDOC_MEMBERS tag is set to YES, Doxygen will hide all 
 # undocumented members of documented classes, files or namespaces. 
 # If set to NO (the default) these members will be included in the 
@@ -269,7 +316,7 @@ INTERNAL_DOCS          = NO
 # file names in lower-case letters. If set to YES upper-case letters are also 
 # allowed. This is useful if you have classes or files whose names only differ 
 # in case and if your file system supports case sensitive file names. Windows 
-# users are advised to set this option to NO.
+# and Mac users are advised to set this option to NO.
 
 CASE_SENSE_NAMES       = YES
 
@@ -297,6 +344,23 @@ INLINE_INFO            = YES
 
 SORT_MEMBER_DOCS       = YES
 
+# If the SORT_BRIEF_DOCS tag is set to YES then doxygen will sort the 
+# brief documentation of file, namespace and class members alphabetically 
+# by member name. If set to NO (the default) the members will appear in 
+# declaration order.
+
+SORT_BRIEF_DOCS        = NO
+
+# If the SORT_BY_SCOPE_NAME tag is set to YES, the class list will be 
+# sorted by fully-qualified names, including namespaces. If set to 
+# NO (the default), the class list will be sorted only by class name, 
+# not including the namespace part. 
+# Note: This option is not very useful if HIDE_SCOPE_NAMES is set to YES.
+# Note: This option applies only to the class list, not to the 
+# alphabetical list.
+
+SORT_BY_SCOPE_NAME     = NO
+
 # The GENERATE_TODOLIST tag can be used to enable (YES) or 
 # disable (NO) the todo list. This list is created by putting \todo 
 # commands in the documentation.
@@ -342,6 +406,22 @@ MAX_INITIALIZER_LINES  = 30
 
 SHOW_USED_FILES        = YES
 
+# If the sources in your project are distributed over multiple directories 
+# then setting the SHOW_DIRECTORIES tag to YES will show the directory hierarchy 
+# in the documentation. The default is NO.
+
+SHOW_DIRECTORIES       = NO
+
+# The FILE_VERSION_FILTER tag can be used to specify a program or script that 
+# doxygen should invoke to get the current version for each file (typically from the 
+# version control system). Doxygen will invoke the program by executing (via 
+# popen()) the command <command> <input-file>, where <command> is the value of 
+# the FILE_VERSION_FILTER tag, and <input-file> is the name of an input file 
+# provided by doxygen. Whatever the program writes to standard output 
+# is used as the file version. See the manual for examples.
+
+FILE_VERSION_FILTER    = 
+
 #---------------------------------------------------------------------------
 # configuration options related to warning and progress messages
 #---------------------------------------------------------------------------
@@ -370,10 +450,20 @@ WARN_IF_UNDOCUMENTED   = YES
 
 WARN_IF_DOC_ERROR      = YES
 
+# This WARN_NO_PARAMDOC option can be abled to get warnings for 
+# functions that are documented, but have no documentation for their parameters 
+# or return value. If set to NO (the default) doxygen will only warn about 
+# wrong or incomplete parameter documentation, but not about the absence of 
+# documentation.
+
+WARN_NO_PARAMDOC       = NO
+
 # The WARN_FORMAT tag determines the format of the warning messages that 
 # doxygen can produce. The string should contain the $file, $line, and $text 
 # tags, which will be replaced by the file and line number from which the 
-# warning originated and the warning text.
+# warning originated and the warning text. Optionally the format may contain 
+# $version, which will be replaced by the version of the file (if it could 
+# be obtained via FILE_VERSION_FILTER)
 
 WARN_FORMAT            = "$file:$line: $text"
 
@@ -392,20 +482,23 @@ WARN_LOGFILE           =
 # directories like "/usr/src/myproject". Separate the files or directories 
 # with spaces.
 
-INPUT                  = .
+INPUT                  = gcc
+
+# This tag can be used to specify the character encoding of the source files that 
+# doxygen parses. Internally doxygen uses the UTF-8 encoding, which is also the default 
+# input encoding. Doxygen uses libiconv (or the iconv built into libc) for the transcoding. 
+# See http://www.gnu.org/software/libiconv for the list of possible encodings.
+
+INPUT_ENCODING         = UTF-8
 
 # If the value of the INPUT tag contains directories, you can use the 
 # FILE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp 
 # and *.h) to filter out the source-files in the directories. If left 
 # blank the following patterns are tested: 
-# *.c *.cc *.cxx *.cpp *.c++ *.java *.ii *.ixx *.ipp *.i++ *.inl *.h *.hh *.hxx *.hpp 
-# *.h++ *.idl *.odl *.cs *.php *.php3 *.inc
+# *.c *.cc *.cxx *.cpp *.c++ *.java *.ii *.ixx *.ipp *.i++ *.inl *.h *.hh *.hxx 
+# *.hpp *.h++ *.idl *.odl *.cs *.php *.php3 *.inc *.m *.mm *.py
 
-FILE_PATTERNS          = tree* \
-                         *mudflap* \
-                         c-simplify.c \
-                         gimpl* \
-                         domwalk*
+FILE_PATTERNS          =
 
 # The RECURSIVE tag can be used to turn specify whether or not subdirectories 
 # should be searched for input files as well. Possible values are YES and NO. 
@@ -419,16 +512,26 @@ RECURSIVE              = NO
 
 EXCLUDE                = 
 
-# The EXCLUDE_SYMLINKS tag can be used select whether or not files or directories 
-# that are symbolic links (a Unix filesystem feature) are excluded from the input.
+# The EXCLUDE_SYMLINKS tag can be used select whether or not files or 
+# directories that are symbolic links (a Unix filesystem feature) are excluded 
+# from the input.
 
 EXCLUDE_SYMLINKS       = NO
 
 # If the value of the INPUT tag contains directories, you can use the 
 # EXCLUDE_PATTERNS tag to specify one or more wildcard patterns to exclude 
-# certain files from those directories.
+# certain files from those directories. Note that the wildcards are matched 
+# against the file with absolute path, so to exclude all test directories 
+# for example use the pattern */test/*
 
-EXCLUDE_PATTERNS       = 
+EXCLUDE_PATTERNS       = c-* */testsuite/* */config/* */.svn/* */po/*
+
+# The EXCLUDE_SYMBOLS tag can be used to specify one or more symbol names 
+# (namespaces, classes, functions, etc.) that should be excluded from the output. 
+# The symbol name can be a fully qualified name, a word, or if the wildcard * is used, 
+# a substring. Examples: ANamespace, AClass, AClass::ANamespace, ANamespace::*Test
+
+EXCLUDE_SYMBOLS        = 
 
 # The EXAMPLE_PATH tag can be used to specify one or more files or 
 # directories that contain example code fragments that are included (see 
@@ -456,6 +559,15 @@ EXAMPLE_RECURSIVE      = NO
 
 IMAGE_PATH             = 
 
+# The FILTER_PATTERNS tag can be used to specify filters on a per file pattern 
+# basis.  Doxygen will compare the file name with each pattern and apply the 
+# filter if there is a match.  The filters are a list of the form: 
+# pattern=filter (like *.cpp=my_cpp_filter). See INPUT_FILTER for further 
+# info on how filters are used. If FILTER_PATTERNS is empty, INPUT_FILTER 
+# is applied to all files.
+
+FILTER_PATTERNS        = 
+
 # If the FILTER_SOURCE_FILES tag is set to YES, the input filter (if set using 
 # INPUT_FILTER) will be used to filter the input files when producing source 
 # files to browse (i.e. when SOURCE_BROWSER is set to YES).
@@ -471,12 +583,12 @@ FILTER_SOURCE_FILES    = NO
 # Note: To get rid of all source code in the generated output, make sure also 
 # VERBATIM_HEADERS is set to NO.
 
-SOURCE_BROWSER         = YES
+SOURCE_BROWSER         = NO
 
 # Setting the INLINE_SOURCES tag to YES will include the body 
 # of functions and classes directly in the documentation.
 
-INLINE_SOURCES         = YES
+INLINE_SOURCES         = NO
 
 # Setting the STRIP_CODE_COMMENTS tag to YES (the default) will instruct 
 # doxygen to hide any special comment blocks from generated source code 
@@ -496,6 +608,21 @@ REFERENCED_BY_RELATION = YES
 
 REFERENCES_RELATION    = YES
 
+# If the REFERENCES_LINK_SOURCE tag is set to YES (the default)
+# and SOURCE_BROWSER tag is set to YES, then the hyperlinks from
+# functions in REFERENCES_RELATION and REFERENCED_BY_RELATION lists will
+# link to the source code.  Otherwise they will link to the documentstion.
+
+REFERENCES_LINK_SOURCE = YES
+
+# If the USE_HTAGS tag is set to YES then the references to source code 
+# will point to the HTML generated by the htags(1) tool instead of doxygen 
+# built-in source browser. The htags tool is part of GNU's global source 
+# tagging system (see http://www.gnu.org/software/global/global.html). You 
+# will need version 4.8.6 or higher.
+
+USE_HTAGS              = NO
+
 # If the VERBATIM_HEADERS tag is set to YES (the default) then Doxygen 
 # will generate a verbatim copy of the header file for each class for 
 # which an include is specified. Set to NO to disable this.
@@ -629,7 +756,7 @@ ENUM_VALUES_PER_LINE   = 4
 # Netscape 6.0+, Internet explorer 5.0+, or Konqueror). Windows users are 
 # probably better off using the HTML help feature.
 
-GENERATE_TREEVIEW      = NO
+GENERATE_TREEVIEW      = YES
 
 # If the treeview is enabled (see GENERATE_TREEVIEW) then this tag can be 
 # used to set the initial width (in pixels) of the frame in which the tree 
@@ -882,7 +1009,7 @@ MACRO_EXPANSION        = NO
 
 # If the EXPAND_ONLY_PREDEF and MACRO_EXPANSION tags are both set to YES 
 # then the macro expansion is limited to the macros specified with the 
-# PREDEFINED and EXPAND_AS_PREDEFINED tags.
+# PREDEFINED and EXPAND_AS_DEFINED tags.
 
 EXPAND_ONLY_PREDEF     = NO
 
@@ -908,7 +1035,9 @@ INCLUDE_FILE_PATTERNS  =
 # are defined before the preprocessor is started (similar to the -D option of 
 # gcc). The argument of the tag is a list of macros of the form: name 
 # or name=definition (no spaces). If the definition and the = are 
-# omitted =1 is assumed.
+# omitted =1 is assumed. To prevent a macro definition from being 
+# undefined via #undef or recursively expanded use the := operator 
+# instead of the = operator.
 
 PREDEFINED             = 
 
@@ -922,13 +1051,13 @@ EXPAND_AS_DEFINED      =
 # If the SKIP_FUNCTION_MACROS tag is set to YES (the default) then 
 # doxygen's preprocessor will remove all function-like macros that are alone 
 # on a line, have an all uppercase name, and do not end with a semicolon. Such 
-# function macros are typically used for boiler-plate code, and will confuse the 
-# parser if not removed.
+# function macros are typically used for boiler-plate code, and will confuse 
+# the parser if not removed.
 
 SKIP_FUNCTION_MACROS   = YES
 
 #---------------------------------------------------------------------------
-# Configuration::addtions related to external references   
+# Configuration::additions related to external references   
 #---------------------------------------------------------------------------
 
 # The TAGFILES option can be used to specify one or more tagfiles. 
@@ -975,13 +1104,22 @@ PERL_PATH              = /usr/bin/perl
 #---------------------------------------------------------------------------
 
 # If the CLASS_DIAGRAMS tag is set to YES (the default) Doxygen will 
-# generate a inheritance diagram (in HTML, RTF and LaTeX) for classes with base or 
-# super classes. Setting the tag to NO turns the diagrams off. Note that this 
-# option is superseded by the HAVE_DOT option below. This is only a fallback. It is 
-# recommended to install and use dot, since it yields more powerful graphs.
+# generate a inheritance diagram (in HTML, RTF and LaTeX) for classes with base 
+# or super classes. Setting the tag to NO turns the diagrams off. Note that 
+# this option is superseded by the HAVE_DOT option below. This is only a 
+# fallback. It is recommended to install and use dot, since it yields more 
+# powerful graphs.
 
 CLASS_DIAGRAMS         = YES
 
+# You can define message sequence charts within doxygen comments using the \msc 
+# command. Doxygen will then run the mscgen tool (see http://www.mcternan.me.uk/mscgen/) to 
+# produce the chart and insert it in the documentation. The MSCGEN_PATH tag allows you to 
+# specify the directory where the mscgen tool resides. If left empty the tool is assumed to 
+# be found in the default search path.
+
+MSCGEN_PATH            = 
+
 # If set to YES, the inheritance and collaboration graphs will hide 
 # inheritance and usage relations if the target is undocumented 
 # or is not a class.
@@ -1009,6 +1147,11 @@ CLASS_GRAPH            = YES
 
 COLLABORATION_GRAPH    = YES
 
+# If the GROUP_GRAPHS and HAVE_DOT tags are set to YES then doxygen 
+# will generate a graph for groups, showing the direct groups dependencies
+
+GROUP_GRAPHS           = YES
+
 # If the UML_LOOK tag is set to YES doxygen will generate inheritance and 
 # collaboration diagrams in a style similar to the OMG's Unified Modeling 
 # Language.
@@ -1042,11 +1185,26 @@ INCLUDED_BY_GRAPH      = YES
 
 CALL_GRAPH             = NO
 
+# If the CALLER_GRAPH and HAVE_DOT tags are set to YES then doxygen will 
+# generate a caller dependency graph for every global function or class method. 
+# Note that enabling this option will significantly increase the time of a run. 
+# So in most cases it will be better to enable caller graphs for selected 
+# functions only using the \callergraph command.
+
+CALLER_GRAPH           = NO
+
 # If the GRAPHICAL_HIERARCHY and HAVE_DOT tags are set to YES then doxygen 
 # will graphical hierarchy of all classes instead of a textual one.
 
 GRAPHICAL_HIERARCHY    = YES
 
+# If the DIRECTORY_GRAPH, SHOW_DIRECTORIES and HAVE_DOT tags are set to YES 
+# then doxygen will show the dependencies a directory has on other directories 
+# in a graphical way. The dependency relations are determined by the #include
+# relations between the files in the directories.
+
+DIRECTORY_GRAPH        = YES
+
 # The DOT_IMAGE_FORMAT tag can be used to set the image format of the images 
 # generated by dot. Possible values are png, jpg, or gif
 # If left blank png will be used.
@@ -1054,7 +1212,7 @@ GRAPHICAL_HIERARCHY    = YES
 DOT_IMAGE_FORMAT       = png
 
 # The tag DOT_PATH can be used to specify the path where the dot tool can be 
-# found. If left blank, it is assumed the dot tool can be found on the path.
+# found. If left blank, it is assumed the dot tool can be found in the path.
 
 DOT_PATH               = 
 
@@ -1064,32 +1222,28 @@ DOT_PATH               =
 
 DOTFILE_DIRS           = 
 
-# The MAX_DOT_GRAPH_WIDTH tag can be used to set the maximum allowed width 
-# (in pixels) of the graphs generated by dot. If a graph becomes larger than 
-# this value, doxygen will try to truncate the graph, so that it fits within 
-# the specified constraint. Beware that most browsers cannot cope with very 
-# large images.
+# The MAX_DOT_GRAPH_MAX_NODES tag can be used to set the maximum number of 
+# nodes that will be shown in the graph. If the number of nodes in a graph 
+# becomes larger than this value, doxygen will truncate the graph, which is 
+# visualized by representing a node as a red box. Note that doxygen will always 
+# show the root nodes and its direct children regardless of this setting.
 
-MAX_DOT_GRAPH_WIDTH    = 1024
+DOT_GRAPH_MAX_NODES    = 50
 
-# The MAX_DOT_GRAPH_HEIGHT tag can be used to set the maximum allows height 
-# (in pixels) of the graphs generated by dot. If a graph becomes larger than 
-# this value, doxygen will try to truncate the graph, so that it fits within 
-# the specified constraint. Beware that most browsers cannot cope with very 
-# large images.
+# Set the DOT_TRANSPARENT tag to YES to generate images with a transparent 
+# background. This is disabled by default, which results in a white background. 
+# Warning: Depending on the platform used, enabling this option may lead to 
+# badly anti-aliased labels on the edges of a graph (i.e. they become hard to 
+# read).
 
-MAX_DOT_GRAPH_HEIGHT   = 1024
+DOT_TRANSPARENT        = NO
 
-# 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 root by following a path via at most 3 edges will be shown. Nodes that 
-# lay further from the root node will be omitted. Note that setting this option to 
-# 1 or 2 may greatly reduce the computation time needed for large code bases. Also 
-# note that a graph may be further truncated if the graph's image dimensions are 
-# not sufficient to fit the graph (see MAX_DOT_GRAPH_WIDTH and MAX_DOT_GRAPH_HEIGHT). 
-# If 0 is used for the depth value (the default), the graph is not depth-constrained.
+# Set the DOT_MULTI_TARGETS tag to YES allow dot to generate multiple output 
+# files in one run (i.e. multiple -o and -T options on the command line). This 
+# makes dot run faster, but since only newer versions of dot (>1.8.10) 
+# support this, this feature is disabled by default.
 
-MAX_DOT_GRAPH_DEPTH    = 0
+DOT_MULTI_TARGETS      = NO
 
 # If the GENERATE_LEGEND tag is set to YES (the default) Doxygen will 
 # generate a legend page explaining the meaning of the various boxes and 
@@ -1104,7 +1258,7 @@ GENERATE_LEGEND        = YES
 DOT_CLEANUP            = YES
 
 #---------------------------------------------------------------------------
-# Configuration::addtions related to the search engine   
+# Configuration::additions related to the search engine   
 #---------------------------------------------------------------------------
 
 # The SEARCHENGINE tag specifies whether or not a search engine should be