diff --git a/configure b/configure
index cf66360..226bbb5 100755
--- a/configure
+++ b/configure
@@ -585,6 +585,52 @@
 am__EXEEXT_TRUE
 LTLIBOBJS
 LIBOBJS
+DOXYGEN_PAPER_SIZE
+DX_COND_latex_FALSE
+DX_COND_latex_TRUE
+DX_COND_pdf_FALSE
+DX_COND_pdf_TRUE
+DX_PDFLATEX
+DX_FLAG_pdf
+DX_COND_ps_FALSE
+DX_COND_ps_TRUE
+DX_EGREP
+DX_DVIPS
+DX_MAKEINDEX
+DX_LATEX
+DX_FLAG_ps
+DX_COND_html_FALSE
+DX_COND_html_TRUE
+DX_FLAG_html
+DX_COND_chi_FALSE
+DX_COND_chi_TRUE
+DX_FLAG_chi
+DX_COND_chm_FALSE
+DX_COND_chm_TRUE
+DX_HHC
+DX_FLAG_chm
+DX_COND_xml_FALSE
+DX_COND_xml_TRUE
+DX_FLAG_xml
+DX_COND_rtf_FALSE
+DX_COND_rtf_TRUE
+DX_FLAG_rtf
+DX_COND_man_FALSE
+DX_COND_man_TRUE
+DX_FLAG_man
+DX_COND_dot_FALSE
+DX_COND_dot_TRUE
+DX_DOT
+DX_FLAG_dot
+DX_COND_doc_FALSE
+DX_COND_doc_TRUE
+DX_PERL
+DX_DOXYGEN
+DX_FLAG_doc
+DX_ENV
+DX_DOCDIR
+DX_CONFIG
+DX_PROJECT
 HAVE_CXX11
 am__fastdepCC_FALSE
 am__fastdepCC_TRUE
@@ -682,6 +728,16 @@
 enable_option_checking
 enable_silent_rules
 enable_dependency_tracking
+enable_doxygen_doc
+enable_doxygen_dot
+enable_doxygen_man
+enable_doxygen_rtf
+enable_doxygen_xml
+enable_doxygen_chm
+enable_doxygen_chi
+enable_doxygen_html
+enable_doxygen_ps
+enable_doxygen_pdf
 '
       ac_precious_vars='build_alias
 host_alias
@@ -693,7 +749,8 @@
 CPPFLAGS
 CCC
 CC
-CFLAGS'
+CFLAGS
+DOXYGEN_PAPER_SIZE'
 
 
 # Initialize some variables set by options.
@@ -1314,6 +1371,17 @@
                           do not reject slow dependency extractors
   --disable-dependency-tracking
                           speeds up one-time build
+  --disable-doxygen-doc   don't generate any doxygen documentation
+  --enable-doxygen-dot    generate graphics for doxygen documentation
+  --enable-doxygen-man    generate doxygen manual pages
+  --enable-doxygen-rtf    generate doxygen RTF documentation
+  --enable-doxygen-xml    generate doxygen XML documentation
+  --enable-doxygen-chm    generate doxygen compressed HTML help documentation
+  --enable-doxygen-chi    generate doxygen seperate compressed HTML help index
+                          file
+  --disable-doxygen-html  don't generate doxygen plain HTML documentation
+  --enable-doxygen-ps     generate doxygen PostScript documentation
+  --enable-doxygen-pdf    generate doxygen PDF documentation
 
 Some influential environment variables:
   CXX         C++ compiler command
@@ -1325,6 +1393,8 @@
               you have headers in a nonstandard directory <include dir>
   CC          C compiler command
   CFLAGS      C compiler flags
+  DOXYGEN_PAPER_SIZE
+              a4wide (default), a4, letter, legal or executive
 
 Use these variables to override the choices made by `configure' or to help
 it to find libraries and programs with nonstandard names/locations.
@@ -4267,6 +4337,1844 @@
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
+
+
+
+
+
+
+
+
+
+
+# Files:
+DX_PROJECT=$PACKAGE_NAME
+
+DX_CONFIG=Doxyfile
+
+DX_DOCDIR=doxygen-doc
+
+
+# Environment variables used inside doxygen.cfg:
+DX_ENV="$DX_ENV SRCDIR='$srcdir'"
+
+DX_ENV="$DX_ENV PROJECT='$DX_PROJECT'"
+
+DX_ENV="$DX_ENV DOCDIR='$DX_DOCDIR'"
+
+DX_ENV="$DX_ENV VERSION='$PACKAGE_VERSION'"
+
+
+# Doxygen itself:
+
+
+
+    # Check whether --enable-doxygen-doc was given.
+if test "${enable_doxygen_doc+set}" = set; then :
+  enableval=$enable_doxygen_doc;
+case "$enableval" in
+#(
+y|Y|yes|Yes|YES)
+    DX_FLAG_doc=1
+
+
+;; #(
+n|N|no|No|NO)
+    DX_FLAG_doc=0
+
+;; #(
+*)
+    as_fn_error $? "invalid value '$enableval' given to doxygen-doc" "$LINENO" 5
+;;
+esac
+
+else
+
+DX_FLAG_doc=1
+
+
+
+fi
+
+if test "$DX_FLAG_doc" = 1; then
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}doxygen", so it can be a program name with args.
+set dummy ${ac_tool_prefix}doxygen; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_DX_DOXYGEN+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $DX_DOXYGEN in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_DX_DOXYGEN="$DX_DOXYGEN" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_DX_DOXYGEN="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+DX_DOXYGEN=$ac_cv_path_DX_DOXYGEN
+if test -n "$DX_DOXYGEN"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DX_DOXYGEN" >&5
+$as_echo "$DX_DOXYGEN" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_path_DX_DOXYGEN"; then
+  ac_pt_DX_DOXYGEN=$DX_DOXYGEN
+  # Extract the first word of "doxygen", so it can be a program name with args.
+set dummy doxygen; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_ac_pt_DX_DOXYGEN+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $ac_pt_DX_DOXYGEN in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_ac_pt_DX_DOXYGEN="$ac_pt_DX_DOXYGEN" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_ac_pt_DX_DOXYGEN="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+ac_pt_DX_DOXYGEN=$ac_cv_path_ac_pt_DX_DOXYGEN
+if test -n "$ac_pt_DX_DOXYGEN"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_DX_DOXYGEN" >&5
+$as_echo "$ac_pt_DX_DOXYGEN" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_pt_DX_DOXYGEN" = x; then
+    DX_DOXYGEN=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    DX_DOXYGEN=$ac_pt_DX_DOXYGEN
+  fi
+else
+  DX_DOXYGEN="$ac_cv_path_DX_DOXYGEN"
+fi
+
+if test "$DX_FLAG_doc$DX_DOXYGEN" = 1; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: doxygen not found - will not generate any doxygen documentation" >&5
+$as_echo "$as_me: WARNING: doxygen not found - will not generate any doxygen documentation" >&2;}
+    DX_FLAG_doc=0
+
+fi
+
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}perl", so it can be a program name with args.
+set dummy ${ac_tool_prefix}perl; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_DX_PERL+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $DX_PERL in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_DX_PERL="$DX_PERL" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_DX_PERL="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+DX_PERL=$ac_cv_path_DX_PERL
+if test -n "$DX_PERL"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DX_PERL" >&5
+$as_echo "$DX_PERL" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_path_DX_PERL"; then
+  ac_pt_DX_PERL=$DX_PERL
+  # Extract the first word of "perl", so it can be a program name with args.
+set dummy perl; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_ac_pt_DX_PERL+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $ac_pt_DX_PERL in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_ac_pt_DX_PERL="$ac_pt_DX_PERL" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_ac_pt_DX_PERL="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+ac_pt_DX_PERL=$ac_cv_path_ac_pt_DX_PERL
+if test -n "$ac_pt_DX_PERL"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_DX_PERL" >&5
+$as_echo "$ac_pt_DX_PERL" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_pt_DX_PERL" = x; then
+    DX_PERL=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    DX_PERL=$ac_pt_DX_PERL
+  fi
+else
+  DX_PERL="$ac_cv_path_DX_PERL"
+fi
+
+if test "$DX_FLAG_doc$DX_PERL" = 1; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: perl not found - will not generate any doxygen documentation" >&5
+$as_echo "$as_me: WARNING: perl not found - will not generate any doxygen documentation" >&2;}
+    DX_FLAG_doc=0
+
+fi
+
+    :
+fi
+ if test "$DX_FLAG_doc" = 1; then
+  DX_COND_doc_TRUE=
+  DX_COND_doc_FALSE='#'
+else
+  DX_COND_doc_TRUE='#'
+  DX_COND_doc_FALSE=
+fi
+
+if test "$DX_FLAG_doc" = 1; then
+    DX_ENV="$DX_ENV PERL_PATH='$DX_PERL'"
+
+    :
+else
+
+    :
+fi
+
+
+# Dot for graphics:
+
+
+
+    # Check whether --enable-doxygen-dot was given.
+if test "${enable_doxygen_dot+set}" = set; then :
+  enableval=$enable_doxygen_dot;
+case "$enableval" in
+#(
+y|Y|yes|Yes|YES)
+    DX_FLAG_dot=1
+
+
+test "$DX_FLAG_doc" = "1" \
+|| as_fn_error $? "doxygen-dot requires doxygen-dot" "$LINENO" 5
+
+;; #(
+n|N|no|No|NO)
+    DX_FLAG_dot=0
+
+;; #(
+*)
+    as_fn_error $? "invalid value '$enableval' given to doxygen-dot" "$LINENO" 5
+;;
+esac
+
+else
+
+DX_FLAG_dot=0
+
+
+test "$DX_FLAG_doc" = "1" || DX_FLAG_dot=0
+
+
+
+fi
+
+if test "$DX_FLAG_dot" = 1; then
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}dot", so it can be a program name with args.
+set dummy ${ac_tool_prefix}dot; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_DX_DOT+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $DX_DOT in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_DX_DOT="$DX_DOT" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_DX_DOT="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+DX_DOT=$ac_cv_path_DX_DOT
+if test -n "$DX_DOT"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DX_DOT" >&5
+$as_echo "$DX_DOT" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_path_DX_DOT"; then
+  ac_pt_DX_DOT=$DX_DOT
+  # Extract the first word of "dot", so it can be a program name with args.
+set dummy dot; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_ac_pt_DX_DOT+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $ac_pt_DX_DOT in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_ac_pt_DX_DOT="$ac_pt_DX_DOT" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_ac_pt_DX_DOT="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+ac_pt_DX_DOT=$ac_cv_path_ac_pt_DX_DOT
+if test -n "$ac_pt_DX_DOT"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_DX_DOT" >&5
+$as_echo "$ac_pt_DX_DOT" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_pt_DX_DOT" = x; then
+    DX_DOT=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    DX_DOT=$ac_pt_DX_DOT
+  fi
+else
+  DX_DOT="$ac_cv_path_DX_DOT"
+fi
+
+if test "$DX_FLAG_dot$DX_DOT" = 1; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: dot not found - will not generate graphics for doxygen documentation" >&5
+$as_echo "$as_me: WARNING: dot not found - will not generate graphics for doxygen documentation" >&2;}
+    DX_FLAG_dot=0
+
+fi
+
+    :
+fi
+ if test "$DX_FLAG_dot" = 1; then
+  DX_COND_dot_TRUE=
+  DX_COND_dot_FALSE='#'
+else
+  DX_COND_dot_TRUE='#'
+  DX_COND_dot_FALSE=
+fi
+
+if test "$DX_FLAG_dot" = 1; then
+    DX_ENV="$DX_ENV HAVE_DOT='YES'"
+
+             DX_ENV="$DX_ENV DOT_PATH='`expr ".$DX_DOT" : '\(\.\)[^/]*$' \| "x$DX_DOT" : 'x\(.*\)/[^/]*$'`'"
+
+    :
+else
+    DX_ENV="$DX_ENV HAVE_DOT='NO'"
+
+    :
+fi
+
+
+# Man pages generation:
+
+
+
+    # Check whether --enable-doxygen-man was given.
+if test "${enable_doxygen_man+set}" = set; then :
+  enableval=$enable_doxygen_man;
+case "$enableval" in
+#(
+y|Y|yes|Yes|YES)
+    DX_FLAG_man=1
+
+
+test "$DX_FLAG_doc" = "1" \
+|| as_fn_error $? "doxygen-man requires doxygen-man" "$LINENO" 5
+
+;; #(
+n|N|no|No|NO)
+    DX_FLAG_man=0
+
+;; #(
+*)
+    as_fn_error $? "invalid value '$enableval' given to doxygen-man" "$LINENO" 5
+;;
+esac
+
+else
+
+DX_FLAG_man=0
+
+
+test "$DX_FLAG_doc" = "1" || DX_FLAG_man=0
+
+
+
+fi
+
+if test "$DX_FLAG_man" = 1; then
+
+    :
+fi
+ if test "$DX_FLAG_man" = 1; then
+  DX_COND_man_TRUE=
+  DX_COND_man_FALSE='#'
+else
+  DX_COND_man_TRUE='#'
+  DX_COND_man_FALSE=
+fi
+
+if test "$DX_FLAG_man" = 1; then
+    DX_ENV="$DX_ENV GENERATE_MAN='YES'"
+
+    :
+else
+    DX_ENV="$DX_ENV GENERATE_MAN='NO'"
+
+    :
+fi
+
+
+# RTF file generation:
+
+
+
+    # Check whether --enable-doxygen-rtf was given.
+if test "${enable_doxygen_rtf+set}" = set; then :
+  enableval=$enable_doxygen_rtf;
+case "$enableval" in
+#(
+y|Y|yes|Yes|YES)
+    DX_FLAG_rtf=1
+
+
+test "$DX_FLAG_doc" = "1" \
+|| as_fn_error $? "doxygen-rtf requires doxygen-rtf" "$LINENO" 5
+
+;; #(
+n|N|no|No|NO)
+    DX_FLAG_rtf=0
+
+;; #(
+*)
+    as_fn_error $? "invalid value '$enableval' given to doxygen-rtf" "$LINENO" 5
+;;
+esac
+
+else
+
+DX_FLAG_rtf=0
+
+
+test "$DX_FLAG_doc" = "1" || DX_FLAG_rtf=0
+
+
+
+fi
+
+if test "$DX_FLAG_rtf" = 1; then
+
+    :
+fi
+ if test "$DX_FLAG_rtf" = 1; then
+  DX_COND_rtf_TRUE=
+  DX_COND_rtf_FALSE='#'
+else
+  DX_COND_rtf_TRUE='#'
+  DX_COND_rtf_FALSE=
+fi
+
+if test "$DX_FLAG_rtf" = 1; then
+    DX_ENV="$DX_ENV GENERATE_RTF='YES'"
+
+    :
+else
+    DX_ENV="$DX_ENV GENERATE_RTF='NO'"
+
+    :
+fi
+
+
+# XML file generation:
+
+
+
+    # Check whether --enable-doxygen-xml was given.
+if test "${enable_doxygen_xml+set}" = set; then :
+  enableval=$enable_doxygen_xml;
+case "$enableval" in
+#(
+y|Y|yes|Yes|YES)
+    DX_FLAG_xml=1
+
+
+test "$DX_FLAG_doc" = "1" \
+|| as_fn_error $? "doxygen-xml requires doxygen-xml" "$LINENO" 5
+
+;; #(
+n|N|no|No|NO)
+    DX_FLAG_xml=0
+
+;; #(
+*)
+    as_fn_error $? "invalid value '$enableval' given to doxygen-xml" "$LINENO" 5
+;;
+esac
+
+else
+
+DX_FLAG_xml=0
+
+
+test "$DX_FLAG_doc" = "1" || DX_FLAG_xml=0
+
+
+
+fi
+
+if test "$DX_FLAG_xml" = 1; then
+
+    :
+fi
+ if test "$DX_FLAG_xml" = 1; then
+  DX_COND_xml_TRUE=
+  DX_COND_xml_FALSE='#'
+else
+  DX_COND_xml_TRUE='#'
+  DX_COND_xml_FALSE=
+fi
+
+if test "$DX_FLAG_xml" = 1; then
+    DX_ENV="$DX_ENV GENERATE_XML='YES'"
+
+    :
+else
+    DX_ENV="$DX_ENV GENERATE_XML='NO'"
+
+    :
+fi
+
+
+# (Compressed) HTML help generation:
+
+
+
+    # Check whether --enable-doxygen-chm was given.
+if test "${enable_doxygen_chm+set}" = set; then :
+  enableval=$enable_doxygen_chm;
+case "$enableval" in
+#(
+y|Y|yes|Yes|YES)
+    DX_FLAG_chm=1
+
+
+test "$DX_FLAG_doc" = "1" \
+|| as_fn_error $? "doxygen-chm requires doxygen-chm" "$LINENO" 5
+
+;; #(
+n|N|no|No|NO)
+    DX_FLAG_chm=0
+
+;; #(
+*)
+    as_fn_error $? "invalid value '$enableval' given to doxygen-chm" "$LINENO" 5
+;;
+esac
+
+else
+
+DX_FLAG_chm=0
+
+
+test "$DX_FLAG_doc" = "1" || DX_FLAG_chm=0
+
+
+
+fi
+
+if test "$DX_FLAG_chm" = 1; then
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}hhc", so it can be a program name with args.
+set dummy ${ac_tool_prefix}hhc; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_DX_HHC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $DX_HHC in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_DX_HHC="$DX_HHC" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_DX_HHC="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+DX_HHC=$ac_cv_path_DX_HHC
+if test -n "$DX_HHC"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DX_HHC" >&5
+$as_echo "$DX_HHC" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_path_DX_HHC"; then
+  ac_pt_DX_HHC=$DX_HHC
+  # Extract the first word of "hhc", so it can be a program name with args.
+set dummy hhc; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_ac_pt_DX_HHC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $ac_pt_DX_HHC in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_ac_pt_DX_HHC="$ac_pt_DX_HHC" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_ac_pt_DX_HHC="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+ac_pt_DX_HHC=$ac_cv_path_ac_pt_DX_HHC
+if test -n "$ac_pt_DX_HHC"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_DX_HHC" >&5
+$as_echo "$ac_pt_DX_HHC" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_pt_DX_HHC" = x; then
+    DX_HHC=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    DX_HHC=$ac_pt_DX_HHC
+  fi
+else
+  DX_HHC="$ac_cv_path_DX_HHC"
+fi
+
+if test "$DX_FLAG_chm$DX_HHC" = 1; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: hhc not found - will not generate doxygen compressed HTML help documentation" >&5
+$as_echo "$as_me: WARNING: hhc not found - will not generate doxygen compressed HTML help documentation" >&2;}
+    DX_FLAG_chm=0
+
+fi
+
+    :
+fi
+ if test "$DX_FLAG_chm" = 1; then
+  DX_COND_chm_TRUE=
+  DX_COND_chm_FALSE='#'
+else
+  DX_COND_chm_TRUE='#'
+  DX_COND_chm_FALSE=
+fi
+
+if test "$DX_FLAG_chm" = 1; then
+    DX_ENV="$DX_ENV HHC_PATH='$DX_HHC'"
+
+             DX_ENV="$DX_ENV GENERATE_HTML='YES'"
+
+             DX_ENV="$DX_ENV GENERATE_HTMLHELP='YES'"
+
+    :
+else
+    DX_ENV="$DX_ENV GENERATE_HTMLHELP='NO'"
+
+    :
+fi
+
+
+# Seperate CHI file generation.
+
+
+
+    # Check whether --enable-doxygen-chi was given.
+if test "${enable_doxygen_chi+set}" = set; then :
+  enableval=$enable_doxygen_chi;
+case "$enableval" in
+#(
+y|Y|yes|Yes|YES)
+    DX_FLAG_chi=1
+
+
+test "$DX_FLAG_chm" = "1" \
+|| as_fn_error $? "doxygen-chi requires doxygen-chi" "$LINENO" 5
+
+;; #(
+n|N|no|No|NO)
+    DX_FLAG_chi=0
+
+;; #(
+*)
+    as_fn_error $? "invalid value '$enableval' given to doxygen-chi" "$LINENO" 5
+;;
+esac
+
+else
+
+DX_FLAG_chi=0
+
+
+test "$DX_FLAG_chm" = "1" || DX_FLAG_chi=0
+
+
+
+fi
+
+if test "$DX_FLAG_chi" = 1; then
+
+    :
+fi
+ if test "$DX_FLAG_chi" = 1; then
+  DX_COND_chi_TRUE=
+  DX_COND_chi_FALSE='#'
+else
+  DX_COND_chi_TRUE='#'
+  DX_COND_chi_FALSE=
+fi
+
+if test "$DX_FLAG_chi" = 1; then
+    DX_ENV="$DX_ENV GENERATE_CHI='YES'"
+
+    :
+else
+    DX_ENV="$DX_ENV GENERATE_CHI='NO'"
+
+    :
+fi
+
+
+# Plain HTML pages generation:
+
+
+
+    # Check whether --enable-doxygen-html was given.
+if test "${enable_doxygen_html+set}" = set; then :
+  enableval=$enable_doxygen_html;
+case "$enableval" in
+#(
+y|Y|yes|Yes|YES)
+    DX_FLAG_html=1
+
+
+test "$DX_FLAG_doc" = "1" \
+|| as_fn_error $? "doxygen-html requires doxygen-html" "$LINENO" 5
+
+test "$DX_FLAG_chm" = "0" \
+|| as_fn_error $? "doxygen-html contradicts doxygen-html" "$LINENO" 5
+
+;; #(
+n|N|no|No|NO)
+    DX_FLAG_html=0
+
+;; #(
+*)
+    as_fn_error $? "invalid value '$enableval' given to doxygen-html" "$LINENO" 5
+;;
+esac
+
+else
+
+DX_FLAG_html=1
+
+
+test "$DX_FLAG_doc" = "1" || DX_FLAG_html=0
+
+
+test "$DX_FLAG_chm" = "0" || DX_FLAG_html=0
+
+
+
+fi
+
+if test "$DX_FLAG_html" = 1; then
+
+    :
+fi
+ if test "$DX_FLAG_html" = 1; then
+  DX_COND_html_TRUE=
+  DX_COND_html_FALSE='#'
+else
+  DX_COND_html_TRUE='#'
+  DX_COND_html_FALSE=
+fi
+
+if test "$DX_FLAG_html" = 1; then
+    DX_ENV="$DX_ENV GENERATE_HTML='YES'"
+
+    :
+else
+    test "$DX_FLAG_chm" = 1 || DX_ENV="$DX_ENV GENERATE_HTML='NO'"
+
+    :
+fi
+
+
+# PostScript file generation:
+
+
+
+    # Check whether --enable-doxygen-ps was given.
+if test "${enable_doxygen_ps+set}" = set; then :
+  enableval=$enable_doxygen_ps;
+case "$enableval" in
+#(
+y|Y|yes|Yes|YES)
+    DX_FLAG_ps=1
+
+
+test "$DX_FLAG_doc" = "1" \
+|| as_fn_error $? "doxygen-ps requires doxygen-ps" "$LINENO" 5
+
+;; #(
+n|N|no|No|NO)
+    DX_FLAG_ps=0
+
+;; #(
+*)
+    as_fn_error $? "invalid value '$enableval' given to doxygen-ps" "$LINENO" 5
+;;
+esac
+
+else
+
+DX_FLAG_ps=0
+
+
+test "$DX_FLAG_doc" = "1" || DX_FLAG_ps=0
+
+
+
+fi
+
+if test "$DX_FLAG_ps" = 1; then
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}latex", so it can be a program name with args.
+set dummy ${ac_tool_prefix}latex; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_DX_LATEX+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $DX_LATEX in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_DX_LATEX="$DX_LATEX" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_DX_LATEX="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+DX_LATEX=$ac_cv_path_DX_LATEX
+if test -n "$DX_LATEX"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DX_LATEX" >&5
+$as_echo "$DX_LATEX" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_path_DX_LATEX"; then
+  ac_pt_DX_LATEX=$DX_LATEX
+  # Extract the first word of "latex", so it can be a program name with args.
+set dummy latex; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_ac_pt_DX_LATEX+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $ac_pt_DX_LATEX in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_ac_pt_DX_LATEX="$ac_pt_DX_LATEX" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_ac_pt_DX_LATEX="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+ac_pt_DX_LATEX=$ac_cv_path_ac_pt_DX_LATEX
+if test -n "$ac_pt_DX_LATEX"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_DX_LATEX" >&5
+$as_echo "$ac_pt_DX_LATEX" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_pt_DX_LATEX" = x; then
+    DX_LATEX=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    DX_LATEX=$ac_pt_DX_LATEX
+  fi
+else
+  DX_LATEX="$ac_cv_path_DX_LATEX"
+fi
+
+if test "$DX_FLAG_ps$DX_LATEX" = 1; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: latex not found - will not generate doxygen PostScript documentation" >&5
+$as_echo "$as_me: WARNING: latex not found - will not generate doxygen PostScript documentation" >&2;}
+    DX_FLAG_ps=0
+
+fi
+
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}makeindex", so it can be a program name with args.
+set dummy ${ac_tool_prefix}makeindex; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_DX_MAKEINDEX+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $DX_MAKEINDEX in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_DX_MAKEINDEX="$DX_MAKEINDEX" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_DX_MAKEINDEX="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+DX_MAKEINDEX=$ac_cv_path_DX_MAKEINDEX
+if test -n "$DX_MAKEINDEX"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DX_MAKEINDEX" >&5
+$as_echo "$DX_MAKEINDEX" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_path_DX_MAKEINDEX"; then
+  ac_pt_DX_MAKEINDEX=$DX_MAKEINDEX
+  # Extract the first word of "makeindex", so it can be a program name with args.
+set dummy makeindex; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_ac_pt_DX_MAKEINDEX+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $ac_pt_DX_MAKEINDEX in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_ac_pt_DX_MAKEINDEX="$ac_pt_DX_MAKEINDEX" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_ac_pt_DX_MAKEINDEX="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+ac_pt_DX_MAKEINDEX=$ac_cv_path_ac_pt_DX_MAKEINDEX
+if test -n "$ac_pt_DX_MAKEINDEX"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_DX_MAKEINDEX" >&5
+$as_echo "$ac_pt_DX_MAKEINDEX" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_pt_DX_MAKEINDEX" = x; then
+    DX_MAKEINDEX=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    DX_MAKEINDEX=$ac_pt_DX_MAKEINDEX
+  fi
+else
+  DX_MAKEINDEX="$ac_cv_path_DX_MAKEINDEX"
+fi
+
+if test "$DX_FLAG_ps$DX_MAKEINDEX" = 1; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: makeindex not found - will not generate doxygen PostScript documentation" >&5
+$as_echo "$as_me: WARNING: makeindex not found - will not generate doxygen PostScript documentation" >&2;}
+    DX_FLAG_ps=0
+
+fi
+
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}dvips", so it can be a program name with args.
+set dummy ${ac_tool_prefix}dvips; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_DX_DVIPS+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $DX_DVIPS in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_DX_DVIPS="$DX_DVIPS" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_DX_DVIPS="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+DX_DVIPS=$ac_cv_path_DX_DVIPS
+if test -n "$DX_DVIPS"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DX_DVIPS" >&5
+$as_echo "$DX_DVIPS" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_path_DX_DVIPS"; then
+  ac_pt_DX_DVIPS=$DX_DVIPS
+  # Extract the first word of "dvips", so it can be a program name with args.
+set dummy dvips; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_ac_pt_DX_DVIPS+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $ac_pt_DX_DVIPS in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_ac_pt_DX_DVIPS="$ac_pt_DX_DVIPS" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_ac_pt_DX_DVIPS="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+ac_pt_DX_DVIPS=$ac_cv_path_ac_pt_DX_DVIPS
+if test -n "$ac_pt_DX_DVIPS"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_DX_DVIPS" >&5
+$as_echo "$ac_pt_DX_DVIPS" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_pt_DX_DVIPS" = x; then
+    DX_DVIPS=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    DX_DVIPS=$ac_pt_DX_DVIPS
+  fi
+else
+  DX_DVIPS="$ac_cv_path_DX_DVIPS"
+fi
+
+if test "$DX_FLAG_ps$DX_DVIPS" = 1; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: dvips not found - will not generate doxygen PostScript documentation" >&5
+$as_echo "$as_me: WARNING: dvips not found - will not generate doxygen PostScript documentation" >&2;}
+    DX_FLAG_ps=0
+
+fi
+
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}egrep", so it can be a program name with args.
+set dummy ${ac_tool_prefix}egrep; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_DX_EGREP+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $DX_EGREP in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_DX_EGREP="$DX_EGREP" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_DX_EGREP="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+DX_EGREP=$ac_cv_path_DX_EGREP
+if test -n "$DX_EGREP"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DX_EGREP" >&5
+$as_echo "$DX_EGREP" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_path_DX_EGREP"; then
+  ac_pt_DX_EGREP=$DX_EGREP
+  # Extract the first word of "egrep", so it can be a program name with args.
+set dummy egrep; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_ac_pt_DX_EGREP+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $ac_pt_DX_EGREP in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_ac_pt_DX_EGREP="$ac_pt_DX_EGREP" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_ac_pt_DX_EGREP="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+ac_pt_DX_EGREP=$ac_cv_path_ac_pt_DX_EGREP
+if test -n "$ac_pt_DX_EGREP"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_DX_EGREP" >&5
+$as_echo "$ac_pt_DX_EGREP" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_pt_DX_EGREP" = x; then
+    DX_EGREP=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    DX_EGREP=$ac_pt_DX_EGREP
+  fi
+else
+  DX_EGREP="$ac_cv_path_DX_EGREP"
+fi
+
+if test "$DX_FLAG_ps$DX_EGREP" = 1; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: egrep not found - will not generate doxygen PostScript documentation" >&5
+$as_echo "$as_me: WARNING: egrep not found - will not generate doxygen PostScript documentation" >&2;}
+    DX_FLAG_ps=0
+
+fi
+
+    :
+fi
+ if test "$DX_FLAG_ps" = 1; then
+  DX_COND_ps_TRUE=
+  DX_COND_ps_FALSE='#'
+else
+  DX_COND_ps_TRUE='#'
+  DX_COND_ps_FALSE=
+fi
+
+if test "$DX_FLAG_ps" = 1; then
+
+    :
+else
+
+    :
+fi
+
+
+# PDF file generation:
+
+
+
+    # Check whether --enable-doxygen-pdf was given.
+if test "${enable_doxygen_pdf+set}" = set; then :
+  enableval=$enable_doxygen_pdf;
+case "$enableval" in
+#(
+y|Y|yes|Yes|YES)
+    DX_FLAG_pdf=1
+
+
+test "$DX_FLAG_doc" = "1" \
+|| as_fn_error $? "doxygen-pdf requires doxygen-pdf" "$LINENO" 5
+
+;; #(
+n|N|no|No|NO)
+    DX_FLAG_pdf=0
+
+;; #(
+*)
+    as_fn_error $? "invalid value '$enableval' given to doxygen-pdf" "$LINENO" 5
+;;
+esac
+
+else
+
+DX_FLAG_pdf=0
+
+
+test "$DX_FLAG_doc" = "1" || DX_FLAG_pdf=0
+
+
+
+fi
+
+if test "$DX_FLAG_pdf" = 1; then
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}pdflatex", so it can be a program name with args.
+set dummy ${ac_tool_prefix}pdflatex; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_DX_PDFLATEX+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $DX_PDFLATEX in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_DX_PDFLATEX="$DX_PDFLATEX" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_DX_PDFLATEX="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+DX_PDFLATEX=$ac_cv_path_DX_PDFLATEX
+if test -n "$DX_PDFLATEX"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DX_PDFLATEX" >&5
+$as_echo "$DX_PDFLATEX" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_path_DX_PDFLATEX"; then
+  ac_pt_DX_PDFLATEX=$DX_PDFLATEX
+  # Extract the first word of "pdflatex", so it can be a program name with args.
+set dummy pdflatex; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_ac_pt_DX_PDFLATEX+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $ac_pt_DX_PDFLATEX in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_ac_pt_DX_PDFLATEX="$ac_pt_DX_PDFLATEX" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_ac_pt_DX_PDFLATEX="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+ac_pt_DX_PDFLATEX=$ac_cv_path_ac_pt_DX_PDFLATEX
+if test -n "$ac_pt_DX_PDFLATEX"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_DX_PDFLATEX" >&5
+$as_echo "$ac_pt_DX_PDFLATEX" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_pt_DX_PDFLATEX" = x; then
+    DX_PDFLATEX=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    DX_PDFLATEX=$ac_pt_DX_PDFLATEX
+  fi
+else
+  DX_PDFLATEX="$ac_cv_path_DX_PDFLATEX"
+fi
+
+if test "$DX_FLAG_pdf$DX_PDFLATEX" = 1; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: pdflatex not found - will not generate doxygen PDF documentation" >&5
+$as_echo "$as_me: WARNING: pdflatex not found - will not generate doxygen PDF documentation" >&2;}
+    DX_FLAG_pdf=0
+
+fi
+
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}makeindex", so it can be a program name with args.
+set dummy ${ac_tool_prefix}makeindex; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_DX_MAKEINDEX+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $DX_MAKEINDEX in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_DX_MAKEINDEX="$DX_MAKEINDEX" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_DX_MAKEINDEX="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+DX_MAKEINDEX=$ac_cv_path_DX_MAKEINDEX
+if test -n "$DX_MAKEINDEX"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DX_MAKEINDEX" >&5
+$as_echo "$DX_MAKEINDEX" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_path_DX_MAKEINDEX"; then
+  ac_pt_DX_MAKEINDEX=$DX_MAKEINDEX
+  # Extract the first word of "makeindex", so it can be a program name with args.
+set dummy makeindex; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_ac_pt_DX_MAKEINDEX+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $ac_pt_DX_MAKEINDEX in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_ac_pt_DX_MAKEINDEX="$ac_pt_DX_MAKEINDEX" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_ac_pt_DX_MAKEINDEX="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+ac_pt_DX_MAKEINDEX=$ac_cv_path_ac_pt_DX_MAKEINDEX
+if test -n "$ac_pt_DX_MAKEINDEX"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_DX_MAKEINDEX" >&5
+$as_echo "$ac_pt_DX_MAKEINDEX" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_pt_DX_MAKEINDEX" = x; then
+    DX_MAKEINDEX=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    DX_MAKEINDEX=$ac_pt_DX_MAKEINDEX
+  fi
+else
+  DX_MAKEINDEX="$ac_cv_path_DX_MAKEINDEX"
+fi
+
+if test "$DX_FLAG_pdf$DX_MAKEINDEX" = 1; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: makeindex not found - will not generate doxygen PDF documentation" >&5
+$as_echo "$as_me: WARNING: makeindex not found - will not generate doxygen PDF documentation" >&2;}
+    DX_FLAG_pdf=0
+
+fi
+
+
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}egrep", so it can be a program name with args.
+set dummy ${ac_tool_prefix}egrep; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_DX_EGREP+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $DX_EGREP in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_DX_EGREP="$DX_EGREP" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_DX_EGREP="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+DX_EGREP=$ac_cv_path_DX_EGREP
+if test -n "$DX_EGREP"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DX_EGREP" >&5
+$as_echo "$DX_EGREP" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_path_DX_EGREP"; then
+  ac_pt_DX_EGREP=$DX_EGREP
+  # Extract the first word of "egrep", so it can be a program name with args.
+set dummy egrep; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_ac_pt_DX_EGREP+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $ac_pt_DX_EGREP in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_ac_pt_DX_EGREP="$ac_pt_DX_EGREP" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_path_ac_pt_DX_EGREP="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+ac_pt_DX_EGREP=$ac_cv_path_ac_pt_DX_EGREP
+if test -n "$ac_pt_DX_EGREP"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_DX_EGREP" >&5
+$as_echo "$ac_pt_DX_EGREP" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_pt_DX_EGREP" = x; then
+    DX_EGREP=""
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    DX_EGREP=$ac_pt_DX_EGREP
+  fi
+else
+  DX_EGREP="$ac_cv_path_DX_EGREP"
+fi
+
+if test "$DX_FLAG_pdf$DX_EGREP" = 1; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: egrep not found - will not generate doxygen PDF documentation" >&5
+$as_echo "$as_me: WARNING: egrep not found - will not generate doxygen PDF documentation" >&2;}
+    DX_FLAG_pdf=0
+
+fi
+
+    :
+fi
+ if test "$DX_FLAG_pdf" = 1; then
+  DX_COND_pdf_TRUE=
+  DX_COND_pdf_FALSE='#'
+else
+  DX_COND_pdf_TRUE='#'
+  DX_COND_pdf_FALSE=
+fi
+
+if test "$DX_FLAG_pdf" = 1; then
+
+    :
+else
+
+    :
+fi
+
+
+# LaTeX generation for PS and/or PDF:
+ if test "$DX_FLAG_ps" = 1 || test "$DX_FLAG_pdf" = 1; then
+  DX_COND_latex_TRUE=
+  DX_COND_latex_FALSE='#'
+else
+  DX_COND_latex_TRUE='#'
+  DX_COND_latex_FALSE=
+fi
+
+if test "$DX_FLAG_ps" = 1 || test "$DX_FLAG_pdf" = 1; then
+    DX_ENV="$DX_ENV GENERATE_LATEX='YES'"
+
+else
+    DX_ENV="$DX_ENV GENERATE_LATEX='NO'"
+
+fi
+
+# Paper size for PS and/or PDF:
+
+case "$DOXYGEN_PAPER_SIZE" in
+#(
+"")
+    DOXYGEN_PAPER_SIZE=""
+
+;; #(
+a4wide|a4|letter|legal|executive)
+    DX_ENV="$DX_ENV PAPER_SIZE='$DOXYGEN_PAPER_SIZE'"
+
+;; #(
+*)
+    as_fn_error $? "unknown DOXYGEN_PAPER_SIZE='$DOXYGEN_PAPER_SIZE'" "$LINENO" 5
+;;
+esac
+
+#For debugging:
+#echo DX_FLAG_doc=$DX_FLAG_doc
+#echo DX_FLAG_dot=$DX_FLAG_dot
+#echo DX_FLAG_man=$DX_FLAG_man
+#echo DX_FLAG_html=$DX_FLAG_html
+#echo DX_FLAG_chm=$DX_FLAG_chm
+#echo DX_FLAG_chi=$DX_FLAG_chi
+#echo DX_FLAG_rtf=$DX_FLAG_rtf
+#echo DX_FLAG_xml=$DX_FLAG_xml
+#echo DX_FLAG_pdf=$DX_FLAG_pdf
+#echo DX_FLAG_ps=$DX_FLAG_ps
+#echo DX_ENV=$DX_ENV
+
+
 ac_config_files="$ac_config_files Makefile"
 
 cat >confcache <<\_ACEOF
@@ -4406,6 +6314,50 @@
   as_fn_error $? "conditional \"am__fastdepCC\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${DX_COND_doc_TRUE}" && test -z "${DX_COND_doc_FALSE}"; then
+  as_fn_error $? "conditional \"DX_COND_doc\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${DX_COND_dot_TRUE}" && test -z "${DX_COND_dot_FALSE}"; then
+  as_fn_error $? "conditional \"DX_COND_dot\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${DX_COND_man_TRUE}" && test -z "${DX_COND_man_FALSE}"; then
+  as_fn_error $? "conditional \"DX_COND_man\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${DX_COND_rtf_TRUE}" && test -z "${DX_COND_rtf_FALSE}"; then
+  as_fn_error $? "conditional \"DX_COND_rtf\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${DX_COND_xml_TRUE}" && test -z "${DX_COND_xml_FALSE}"; then
+  as_fn_error $? "conditional \"DX_COND_xml\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${DX_COND_chm_TRUE}" && test -z "${DX_COND_chm_FALSE}"; then
+  as_fn_error $? "conditional \"DX_COND_chm\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${DX_COND_chi_TRUE}" && test -z "${DX_COND_chi_FALSE}"; then
+  as_fn_error $? "conditional \"DX_COND_chi\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${DX_COND_html_TRUE}" && test -z "${DX_COND_html_FALSE}"; then
+  as_fn_error $? "conditional \"DX_COND_html\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${DX_COND_ps_TRUE}" && test -z "${DX_COND_ps_FALSE}"; then
+  as_fn_error $? "conditional \"DX_COND_ps\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${DX_COND_pdf_TRUE}" && test -z "${DX_COND_pdf_FALSE}"; then
+  as_fn_error $? "conditional \"DX_COND_pdf\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${DX_COND_latex_TRUE}" && test -z "${DX_COND_latex_FALSE}"; then
+  as_fn_error $? "conditional \"DX_COND_latex\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 
 : "${CONFIG_STATUS=./config.status}"
 ac_write_fail=0