@@ -2,7 +2,7 @@ Package: Rgraphviz

 Title: Provides plotting capabilities for R graph objects

 Description: Interfaces R with the AT and T graphviz library for

         plotting R graph objects from the graph package.

-Version: 2.41.1

+Version: 2.41.2

 Authors@R: c(person(c("Kasper", "Daniel"), "Hansen", role = c("cre", "aut"),

                     email = "kasperdanielhansen@gmail.com"),

              person("Jeff", "Gentry", role = "aut"),

@@ -1,11 +1,12 @@

 #! /bin/sh

 # Guess values for system-dependent variables and create Makefiles.

-# Generated by GNU Autoconf 2.69 for Rgraphviz 1.x.

+# Generated by GNU Autoconf 2.71 for Rgraphviz 1.x.

 #

 # Report bugs to <biocore@stat.math.ethz.ch>.

 #

 #

-# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.

+# Copyright (C) 1992-1996, 1998-2017, 2020-2021 Free Software Foundation,

+# Inc.

 #

 #

 # This configure script is free software; the Free Software Foundation

@@ -16,14 +17,16 @@

 # Be more Bourne compatible

 DUALCASE=1; export DUALCASE # for MKS sh

-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :

+as_nop=:

+if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1

+then :

   emulate sh

   NULLCMD=:

   # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which

   # is contrary to our usage.  Disable this feature.

   alias -g '${1+"$@"}'='"$@"'

   setopt NO_GLOB_SUBST

-else

+else $as_nop

   case `(set -o) 2>/dev/null` in #(

   *posix*) :

     set -o posix ;; #(

@@ -33,46 +36,46 @@ esac

 fi

+

+# Reset variables that may have inherited troublesome values from

+# the environment.

+

+# IFS needs to be set, to space, tab, and newline, in precisely that order.

+# (If _AS_PATH_WALK were called with IFS unset, it would have the

+# side effect of setting IFS to empty, thus disabling word splitting.)

+# Quoting is to prevent editors from complaining about space-tab.

 as_nl='

 '

 export as_nl

-# Printing a long string crashes Solaris 7 /usr/bin/printf.

-as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'

-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo

-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo

-# Prefer a ksh shell builtin over an external printf program on Solaris,

-# but without wasting forks for bash or zsh.

-if test -z "$BASH_VERSION$ZSH_VERSION" \

-    && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then

-  as_echo='print -r --'

-  as_echo_n='print -rn --'

-elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then

-  as_echo='printf %s\n'

-  as_echo_n='printf %s'

-else

-  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then

-    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'

-    as_echo_n='/usr/ucb/echo -n'

-  else

-    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'

-    as_echo_n_body='eval

-      arg=$1;

-      case $arg in #(

-      *"$as_nl"*)

-	expr "X$arg" : "X\\(.*\\)$as_nl";

-	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;

-      esac;

-      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"

-    '

-    export as_echo_n_body

-    as_echo_n='sh -c $as_echo_n_body as_echo'

-  fi

-  export as_echo_body

-  as_echo='sh -c $as_echo_body as_echo'

-fi

+IFS=" ""	$as_nl"

+

+PS1='$ '

+PS2='> '

+PS4='+ '

+

+# Ensure predictable behavior from utilities with locale-dependent output.

+LC_ALL=C

+export LC_ALL

+LANGUAGE=C

+export LANGUAGE

+

+# We cannot yet rely on "unset" to work, but we need these variables

+# to be unset--not just set to an empty or harmless value--now, to

+# avoid bugs in old shells (e.g. pre-3.0 UWIN ksh).  This construct

+# also avoids known problems related to "unset" and subshell syntax

+# in other old shells (e.g. bash 2.01 and pdksh 5.2.14).

+for as_var in BASH_ENV ENV MAIL MAILPATH CDPATH

+do eval test \${$as_var+y} \

+  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :

+done

+

+# Ensure that fds 0, 1, and 2 are open.

+if (exec 3>&0) 2>/dev/null; then :; else exec 0</dev/null; fi

+if (exec 3>&1) 2>/dev/null; then :; else exec 1>/dev/null; fi

+if (exec 3>&2)            ; then :; else exec 2>/dev/null; fi

 # The user is always right.

-if test "${PATH_SEPARATOR+set}" != set; then

+if ${PATH_SEPARATOR+false} :; then

   PATH_SEPARATOR=:

   (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {

     (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||

@@ -81,13 +84,6 @@ if test "${PATH_SEPARATOR+set}" != set; then

 fi

-# IFS

-# We need space, tab and new line, in precisely that order.  Quoting is

-# there to prevent editors from complaining about space-tab.

-# (If _AS_PATH_WALK were called with IFS unset, it would disable word

-# splitting by setting IFS to empty value.)

-IFS=" ""	$as_nl"

-

 # Find who we are.  Look in the path if we contain no directory separator.

 as_myself=

 case $0 in #((

@@ -96,8 +92,12 @@ case $0 in #((

 for as_dir in $PATH

 do

   IFS=$as_save_IFS

-  test -z "$as_dir" && as_dir=.

-    test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break

+  case $as_dir in #(((

+    '') as_dir=./ ;;

+    */) ;;

+    *) as_dir=$as_dir/ ;;

+  esac

+    test -r "$as_dir$0" && as_myself=$as_dir$0 && break

   done

 IFS=$as_save_IFS

@@ -109,30 +109,10 @@ if test "x$as_myself" = x; then

   as_myself=$0

 fi

 if test ! -f "$as_myself"; then

-  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2

+  printf "%s\n" "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2

   exit 1

 fi

-# Unset variables that we do not need and which cause bugs (e.g. in

-# pre-3.0 UWIN ksh).  But do not cause bugs in bash 2.01; the "|| exit 1"

-# suppresses any "Segmentation fault" message there.  '((' could

-# trigger a bug in pdksh 5.2.14.

-for as_var in BASH_ENV ENV MAIL MAILPATH

-do eval test x\${$as_var+set} = xset \

-  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :

-done

-PS1='$ '

-PS2='> '

-PS4='+ '

-

-# NLS nuisances.

-LC_ALL=C

-export LC_ALL

-LANGUAGE=C

-export LANGUAGE

-

-# CDPATH.

-(unset CDPATH) >/dev/null 2>&1 && unset CDPATH

 # Use a proper internal environment variable to ensure we don't fall

   # into an infinite loop, continuously re-executing ourselves.

@@ -154,20 +134,22 @@ esac

 exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}

 # Admittedly, this is quite paranoid, since all the known shells bail

 # out after a failed `exec'.

-$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2

-as_fn_exit 255

+printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2

+exit 255

   fi

   # We don't want this to propagate to other subprocesses.

           { _as_can_reexec=; unset _as_can_reexec;}

 if test "x$CONFIG_SHELL" = x; then

-  as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then :

+  as_bourne_compatible="as_nop=:

+if test \${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1

+then :

   emulate sh

   NULLCMD=:

   # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which

   # is contrary to our usage.  Disable this feature.

   alias -g '\${1+\"\$@\"}'='\"\$@\"'

   setopt NO_GLOB_SUBST

-else

+else \$as_nop

   case \`(set -o) 2>/dev/null\` in #(

   *posix*) :

     set -o posix ;; #(

@@ -187,42 +169,52 @@ as_fn_success || { exitcode=1; echo as_fn_success failed.; }

 as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; }

 as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; }

 as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; }

-if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then :

+if ( set x; as_fn_ret_success y && test x = \"\$1\" )

+then :

-else

+else \$as_nop

   exitcode=1; echo positional parameters were not saved.

 fi

 test x\$exitcode = x0 || exit 1

+blah=\$(echo \$(echo blah))

+test x\"\$blah\" = xblah || exit 1

 test -x / || exit 1"

   as_suggested="  as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO

   as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO

   eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" &&

-  test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1

-test \$(( 1 + 1 )) = 2 || exit 1"

-  if (eval "$as_required") 2>/dev/null; then :

+  test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1"

+  if (eval "$as_required") 2>/dev/null

+then :

   as_have_required=yes

-else

+else $as_nop

   as_have_required=no

 fi

-  if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then :

+  if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null

+then :

-else

+else $as_nop

   as_save_IFS=$IFS; IFS=$PATH_SEPARATOR

 as_found=false

 for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH

 do

   IFS=$as_save_IFS

-  test -z "$as_dir" && as_dir=.

+  case $as_dir in #(((

+    '') as_dir=./ ;;

+    */) ;;

+    *) as_dir=$as_dir/ ;;

+  esac

   as_found=:

   case $as_dir in #(

 	 /*)

 	   for as_base in sh bash ksh sh5; do

 	     # Try only shells that exist, to save several forks.

-	     as_shell=$as_dir/$as_base

+	     as_shell=$as_dir$as_base

 	     if { test -f "$as_shell" || test -f "$as_shell.exe"; } &&

-		    { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then :

+		    as_run=a "$as_shell" -c "$as_bourne_compatible""$as_required" 2>/dev/null

+then :

   CONFIG_SHELL=$as_shell as_have_required=yes

-		   if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then :

+		   if as_run=a "$as_shell" -c "$as_bourne_compatible""$as_suggested" 2>/dev/null

+then :

   break 2

 fi

 fi

@@ -230,14 +222,21 @@ fi

        esac

   as_found=false

 done

-$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&

-	      { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$SHELL"; } 2>/dev/null; then :

-  CONFIG_SHELL=$SHELL as_have_required=yes

-fi; }

 IFS=$as_save_IFS

+if $as_found

+then :

+

+else $as_nop

+  if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&

+	      as_run=a "$SHELL" -c "$as_bourne_compatible""$as_required" 2>/dev/null

+then :

+  CONFIG_SHELL=$SHELL as_have_required=yes

+fi

+fi

-      if test "x$CONFIG_SHELL" != x; then :

+      if test "x$CONFIG_SHELL" != x

+then :

   export CONFIG_SHELL

              # We cannot yet assume a decent shell, so we have to provide a

 # neutralization value for shells without unset; and this also

@@ -255,18 +254,19 @@ esac

 exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}

 # Admittedly, this is quite paranoid, since all the known shells bail

 # out after a failed `exec'.

-$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2

+printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2

 exit 255

 fi

-    if test x$as_have_required = xno; then :

-  $as_echo "$0: This script requires a shell more modern than all"

-  $as_echo "$0: the shells that I found on your system."

-  if test x${ZSH_VERSION+set} = xset ; then

-    $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should"

-    $as_echo "$0: be upgraded to zsh 4.3.4 or later."

+    if test x$as_have_required = xno

+then :

+  printf "%s\n" "$0: This script requires a shell more modern than all"

+  printf "%s\n" "$0: the shells that I found on your system."

+  if test ${ZSH_VERSION+y} ; then

+    printf "%s\n" "$0: In particular, zsh $ZSH_VERSION has bugs and should"

+    printf "%s\n" "$0: be upgraded to zsh 4.3.4 or later."

   else

-    $as_echo "$0: Please tell bug-autoconf@gnu.org and

+    printf "%s\n" "$0: Please tell bug-autoconf@gnu.org and

 $0: biocore@stat.math.ethz.ch about your system, including

 $0: any error possibly output before this message. Then

 $0: install a modern shell, or manually run the script

@@ -294,6 +294,7 @@ as_fn_unset ()

 }

 as_unset=as_fn_unset

+

 # as_fn_set_status STATUS

 # -----------------------

 # Set $? to STATUS, without forking.

@@ -311,6 +312,14 @@ as_fn_exit ()

   as_fn_set_status $1

   exit $1

 } # as_fn_exit

+# as_fn_nop

+# ---------

+# Do nothing but, unlike ":", preserve the value of $?.

+as_fn_nop ()

+{

+  return $?

+}

+as_nop=as_fn_nop

 # as_fn_mkdir_p

 # -------------

@@ -325,7 +334,7 @@ as_fn_mkdir_p ()

     as_dirs=

     while :; do

       case $as_dir in #(

-      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(

+      *\'*) as_qdir=`printf "%s\n" "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(

       *) as_qdir=$as_dir;;

       esac

       as_dirs="'$as_qdir' $as_dirs"

@@ -334,7 +343,7 @@ $as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \

 	 X"$as_dir" : 'X\(//\)[^/]' \| \

 	 X"$as_dir" : 'X\(//\)$' \| \

 	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||

-$as_echo X"$as_dir" |

+printf "%s\n" X"$as_dir" |

     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{

 	    s//\1/

 	    q

@@ -373,12 +382,13 @@ as_fn_executable_p ()

 # advantage of any shell optimizations that allow amortized linear growth over

 # repeated appends, instead of the typical quadratic growth present in naive

 # implementations.

-if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then :

+if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null

+then :

   eval 'as_fn_append ()

   {

     eval $1+=\$2

   }'

-else

+else $as_nop

   as_fn_append ()

   {

     eval $1=\$$1\$2

@@ -390,18 +400,27 @@ fi # as_fn_append

 # Perform arithmetic evaluation on the ARGs, and store the result in the

 # global $as_val. Take advantage of shells that can avoid forks. The arguments

 # must be portable across $(()) and expr.

-if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :

+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null

+then :

   eval 'as_fn_arith ()

   {

     as_val=$(( $* ))

   }'

-else

+else $as_nop

   as_fn_arith ()

   {

     as_val=`expr "$@" || test $? -eq 1`

   }

 fi # as_fn_arith

+# as_fn_nop

+# ---------

+# Do nothing but, unlike ":", preserve the value of $?.

+as_fn_nop ()

+{

+  return $?

+}

+as_nop=as_fn_nop

 # as_fn_error STATUS ERROR [LINENO LOG_FD]

 # ----------------------------------------

@@ -413,9 +432,9 @@ as_fn_error ()

   as_status=$1; test $as_status -eq 0 && as_status=1

   if test "$4"; then

     as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack

-    $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4

+    printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: $2" >&$4

   fi

-  $as_echo "$as_me: error: $2" >&2

+  printf "%s\n" "$as_me: error: $2" >&2

   as_fn_exit $as_status

 } # as_fn_error

@@ -442,7 +461,7 @@ as_me=`$as_basename -- "$0" ||

 $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \

 	 X"$0" : 'X\(//\)$' \| \

 	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||

-$as_echo X/"$0" |

+printf "%s\n" X/"$0" |

     sed '/^.*\/\([^/][^/]*\)\/*$/{

 	    s//\1/

 	    q

@@ -486,7 +505,7 @@ as_cr_alnum=$as_cr_Letters$as_cr_digits

       s/-\n.*//

     ' >$as_me.lineno &&

   chmod +x "$as_me.lineno" ||

-    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }

+    { printf "%s\n" "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }

   # If we had to re-execute with $CONFIG_SHELL, we're ensured to have

   # already done that, so ensure we don't try to do so again and fall

@@ -500,6 +519,10 @@ as_cr_alnum=$as_cr_Letters$as_cr_digits

   exit

 }

+

+# Determine whether it's possible to make 'echo' print without a newline.

+# These variables are no longer used directly by Autoconf, but are AC_SUBSTed

+# for compatibility with existing Makefiles.

 ECHO_C= ECHO_N= ECHO_T=

 case `echo -n x` in #(((((

 -n*)

@@ -513,6 +536,13 @@ case `echo -n x` in #(((((

   ECHO_N='-n';;

 esac

+# For backward compatibility with old third-party macros, we provide

+# the shell variables $as_echo and $as_echo_n.  New code should use

+# AS_ECHO(["message"]) and AS_ECHO_N(["message"]), respectively.

+as_echo='printf %s\n'

+as_echo_n='printf %s'

+

+

 rm -f conf$$ conf$$.exe conf$$.file

 if test -d conf$$.dir; then

   rm -f conf$$.dir/conf$$.file

@@ -587,40 +617,36 @@ PACKAGE_URL=''

 # Factoring default headers for most tests.

 ac_includes_default="\

-#include <stdio.h>

-#ifdef HAVE_SYS_TYPES_H

-# include <sys/types.h>

-#endif

-#ifdef HAVE_SYS_STAT_H

-# include <sys/stat.h>

+#include <stddef.h>

+#ifdef HAVE_STDIO_H

+# include <stdio.h>

 #endif

-#ifdef STDC_HEADERS

+#ifdef HAVE_STDLIB_H

 # include <stdlib.h>

-# include <stddef.h>

-#else

-# ifdef HAVE_STDLIB_H

-#  include <stdlib.h>

-# endif

 #endif

 #ifdef HAVE_STRING_H

-# if !defined STDC_HEADERS && defined HAVE_MEMORY_H

-#  include <memory.h>

-# endif

 # include <string.h>

 #endif

-#ifdef HAVE_STRINGS_H

-# include <strings.h>

-#endif

 #ifdef HAVE_INTTYPES_H

 # include <inttypes.h>

 #endif

 #ifdef HAVE_STDINT_H

 # include <stdint.h>

 #endif

+#ifdef HAVE_STRINGS_H

+# include <strings.h>

+#endif

+#ifdef HAVE_SYS_TYPES_H

+# include <sys/types.h>

+#endif

+#ifdef HAVE_SYS_STAT_H

+# include <sys/stat.h>

+#endif

 #ifdef HAVE_UNISTD_H

 # include <unistd.h>

 #endif"

+ac_header_c_list=

 ac_subst_vars='LTLIBOBJS

 LIBOBJS

 GRAPHVIZ_BUNDLED

@@ -629,8 +655,6 @@ GVIZ_DEFS

 PKG_LIBS

 PKG_CFLAGS

 PKG_CONFIG

-EGREP

-GREP

 ac_ct_CXX

 CXXFLAGS

 CXX

@@ -661,6 +685,7 @@ infodir

 docdir

 oldincludedir

 includedir

+runstatedir

 localstatedir

 sharedstatedir

 sysconfdir

@@ -735,6 +760,7 @@ datadir='${datarootdir}'

 sysconfdir='${prefix}/etc'

 sharedstatedir='${prefix}/com'

 localstatedir='${prefix}/var'

+runstatedir='${localstatedir}/run'

 includedir='${prefix}/include'

 oldincludedir='/usr/include'

 docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'

@@ -764,8 +790,6 @@ do

   *)    ac_optarg=yes ;;

   esac

-  # Accept the important Cygnus configure options, so we can diagnose typos.

-

   case $ac_dashdash$ac_option in

   --)

     ac_dashdash=yes ;;

@@ -806,9 +830,9 @@ do

     ac_useropt=`expr "x$ac_option" : 'x-*disable-\(.*\)'`

     # Reject names that are not valid shell variable names.

     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&

-      as_fn_error $? "invalid feature name: $ac_useropt"

+      as_fn_error $? "invalid feature name: \`$ac_useropt'"

     ac_useropt_orig=$ac_useropt

-    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`

+    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`

     case $ac_user_opts in

       *"

 "enable_$ac_useropt"

@@ -832,9 +856,9 @@ do

     ac_useropt=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`

     # Reject names that are not valid shell variable names.

     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&

-      as_fn_error $? "invalid feature name: $ac_useropt"

+      as_fn_error $? "invalid feature name: \`$ac_useropt'"

     ac_useropt_orig=$ac_useropt

-    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`

+    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`

     case $ac_user_opts in

       *"

 "enable_$ac_useropt"

@@ -987,6 +1011,15 @@ do

   | -silent | --silent | --silen | --sile | --sil)

     silent=yes ;;

+  -runstatedir | --runstatedir | --runstatedi | --runstated \

+  | --runstate | --runstat | --runsta | --runst | --runs \

+  | --run | --ru | --r)

+    ac_prev=runstatedir ;;

+  -runstatedir=* | --runstatedir=* | --runstatedi=* | --runstated=* \

+  | --runstate=* | --runstat=* | --runsta=* | --runst=* | --runs=* \

+  | --run=* | --ru=* | --r=*)

+    runstatedir=$ac_optarg ;;

+

   -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)

     ac_prev=sbindir ;;

   -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \

@@ -1036,9 +1069,9 @@ do

     ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`

     # Reject names that are not valid shell variable names.

     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&

-      as_fn_error $? "invalid package name: $ac_useropt"

+      as_fn_error $? "invalid package name: \`$ac_useropt'"

     ac_useropt_orig=$ac_useropt

-    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`

+    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`

     case $ac_user_opts in

       *"

 "with_$ac_useropt"

@@ -1052,9 +1085,9 @@ do

     ac_useropt=`expr "x$ac_option" : 'x-*without-\(.*\)'`

     # Reject names that are not valid shell variable names.

     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&

-      as_fn_error $? "invalid package name: $ac_useropt"

+      as_fn_error $? "invalid package name: \`$ac_useropt'"

     ac_useropt_orig=$ac_useropt

-    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`

+    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`

     case $ac_user_opts in

       *"

 "with_$ac_useropt"

@@ -1098,9 +1131,9 @@ Try \`$0 --help' for more information"

   *)

     # FIXME: should be removed in autoconf 3.0.

-    $as_echo "$as_me: WARNING: you should use --build, --host, --target" >&2

+    printf "%s\n" "$as_me: WARNING: you should use --build, --host, --target" >&2

     expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&

-      $as_echo "$as_me: WARNING: invalid host type: $ac_option" >&2

+      printf "%s\n" "$as_me: WARNING: invalid host type: $ac_option" >&2

     : "${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}"

     ;;

@@ -1116,7 +1149,7 @@ if test -n "$ac_unrecognized_opts"; then

   case $enable_option_checking in

     no) ;;

     fatal) as_fn_error $? "unrecognized options: $ac_unrecognized_opts" ;;

-    *)     $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;;

+    *)     printf "%s\n" "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;;

   esac

 fi

@@ -1124,7 +1157,7 @@ fi

 for ac_var in	exec_prefix prefix bindir sbindir libexecdir datarootdir \

 		datadir sysconfdir sharedstatedir localstatedir includedir \

 		oldincludedir docdir infodir htmldir dvidir pdfdir psdir \

-		libdir localedir mandir

+		libdir localedir mandir runstatedir

 do

   eval ac_val=\$$ac_var

   # Remove trailing slashes.

@@ -1180,7 +1213,7 @@ $as_expr X"$as_myself" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \

 	 X"$as_myself" : 'X\(//\)[^/]' \| \

 	 X"$as_myself" : 'X\(//\)$' \| \

 	 X"$as_myself" : 'X\(/\)' \| . 2>/dev/null ||

-$as_echo X"$as_myself" |

+printf "%s\n" X"$as_myself" |

     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{

 	    s//\1/

 	    q

@@ -1277,6 +1310,7 @@ Fine tuning of the installation directories:

   --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]

   --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]

   --localstatedir=DIR     modifiable single-machine data [PREFIX/var]

+  --runstatedir=DIR       modifiable per-process data [LOCALSTATEDIR/run]

   --libdir=DIR            object code libraries [EPREFIX/lib]

   --includedir=DIR        C header files [PREFIX/include]

   --oldincludedir=DIR     C header files for non-gcc [/usr/include]

@@ -1339,9 +1373,9 @@ if test "$ac_init_help" = "recursive"; then

 case "$ac_dir" in

 .) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;

 *)

-  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`

+  ac_dir_suffix=/`printf "%s\n" "$ac_dir" | sed 's|^\.[\\/]||'`

   # A ".." for each directory in $ac_dir_suffix.

-  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`

+  ac_top_builddir_sub=`printf "%s\n" "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`

   case $ac_top_builddir_sub in

   "") ac_top_builddir_sub=. ac_top_build_prefix= ;;

   *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;

@@ -1369,7 +1403,8 @@ esac

 ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix

     cd "$ac_dir" || { ac_status=$?; continue; }

-    # Check for guested configure.

+    # Check for configure.gnu first; this name is used for a wrapper for

+    # Metaconfig's "Configure" on case-insensitive file systems.

     if test -f "$ac_srcdir/configure.gnu"; then

       echo &&

       $SHELL "$ac_srcdir/configure.gnu" --help=recursive

@@ -1377,7 +1412,7 @@ ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix

       echo &&

       $SHELL "$ac_srcdir/configure" --help=recursive

     else

-      $as_echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2

+      printf "%s\n" "$as_me: WARNING: no configuration information is in $ac_dir" >&2

     fi || ac_status=$?

     cd "$ac_pwd" || { ac_status=$?; break; }

   done

@@ -1387,9 +1422,9 @@ test -n "$ac_init_help" && exit $ac_status

 if $ac_init_version; then

   cat <<\_ACEOF

 Rgraphviz configure 1.x

-generated by GNU Autoconf 2.69

+generated by GNU Autoconf 2.71

-Copyright (C) 2012 Free Software Foundation, Inc.

+Copyright (C) 2021 Free Software Foundation, Inc.

 This configure script is free software; the Free Software Foundation

 gives unlimited permission to copy, distribute and modify it.

 _ACEOF

@@ -1406,14 +1441,14 @@ fi

 ac_fn_c_try_compile ()

 {

   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack

-  rm -f conftest.$ac_objext

+  rm -f conftest.$ac_objext conftest.beam

   if { { ac_try="$ac_compile"

 case "(($ac_try" in

   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;

   *) ac_try_echo=$ac_try;;

 esac

 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""

-$as_echo "$ac_try_echo"; } >&5

+printf "%s\n" "$ac_try_echo"; } >&5

   (eval "$ac_compile") 2>conftest.err

   ac_status=$?

   if test -s conftest.err; then

@@ -1421,14 +1456,15 @@ $as_echo "$ac_try_echo"; } >&5

     cat conftest.er1 >&5

     mv -f conftest.er1 conftest.err

   fi

-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5

+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5

   test $ac_status = 0; } && {

 	 test -z "$ac_c_werror_flag" ||

 	 test ! -s conftest.err

-       } && test -s conftest.$ac_objext; then :

+       } && test -s conftest.$ac_objext

+then :

   ac_retval=0

-else

-  $as_echo "$as_me: failed program was:" >&5

+else $as_nop

+  printf "%s\n" "$as_me: failed program was:" >&5

 sed 's/^/| /' conftest.$ac_ext >&5

 	ac_retval=1

@@ -1450,7 +1486,7 @@ case "(($ac_try" in

   *) ac_try_echo=$ac_try;;

 esac

 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""

-$as_echo "$ac_try_echo"; } >&5

+printf "%s\n" "$ac_try_echo"; } >&5

   (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err

   ac_status=$?

   if test -s conftest.err; then

@@ -1458,14 +1494,15 @@ $as_echo "$ac_try_echo"; } >&5

     cat conftest.er1 >&5

     mv -f conftest.er1 conftest.err

   fi

-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5

+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5

   test $ac_status = 0; } > conftest.i && {

 	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||

 	 test ! -s conftest.err

-       }; then :

+       }

+then :

   ac_retval=0

-else

-  $as_echo "$as_me: failed program was:" >&5

+else $as_nop

+  printf "%s\n" "$as_me: failed program was:" >&5

 sed 's/^/| /' conftest.$ac_ext >&5

     ac_retval=1

@@ -1481,14 +1518,14 @@ fi

 ac_fn_cxx_try_compile ()

 {

   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack

-  rm -f conftest.$ac_objext

+  rm -f conftest.$ac_objext conftest.beam

   if { { ac_try="$ac_compile"

 case "(($ac_try" in

   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;

   *) ac_try_echo=$ac_try;;

 esac

 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""

-$as_echo "$ac_try_echo"; } >&5

+printf "%s\n" "$ac_try_echo"; } >&5

   (eval "$ac_compile") 2>conftest.err

   ac_status=$?

   if test -s conftest.err; then

@@ -1496,14 +1533,15 @@ $as_echo "$ac_try_echo"; } >&5

     cat conftest.er1 >&5

     mv -f conftest.er1 conftest.err

   fi

-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5

+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5

   test $ac_status = 0; } && {

 	 test -z "$ac_cxx_werror_flag" ||

 	 test ! -s conftest.err

-       } && test -s conftest.$ac_objext; then :

+       } && test -s conftest.$ac_objext

+then :

   ac_retval=0

-else

-  $as_echo "$as_me: failed program was:" >&5

+else $as_nop

+  printf "%s\n" "$as_me: failed program was:" >&5

 sed 's/^/| /' conftest.$ac_ext >&5

 	ac_retval=1

@@ -1513,139 +1551,6 @@ fi

 } # ac_fn_cxx_try_compile

-# ac_fn_c_check_header_mongrel LINENO HEADER VAR INCLUDES

-# -------------------------------------------------------

-# Tests whether HEADER exists, giving a warning if it cannot be compiled using

-# the include files in INCLUDES and setting the cache variable VAR

-# accordingly.

-ac_fn_c_check_header_mongrel ()

-{

-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack

-  if eval \${$3+:} false; then :

-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5

-$as_echo_n "checking for $2... " >&6; }

-if eval \${$3+:} false; then :

-  $as_echo_n "(cached) " >&6

-fi

-eval ac_res=\$$3

-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5

-$as_echo "$ac_res" >&6; }

-else

-  # Is the header compilable?

-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 usability" >&5

-$as_echo_n "checking $2 usability... " >&6; }

-cat confdefs.h - <<_ACEOF >conftest.$ac_ext

-/* end confdefs.h.  */

-$4

-#include <$2>

-_ACEOF

-if ac_fn_c_try_compile "$LINENO"; then :

-  ac_header_compiler=yes

-else

-  ac_header_compiler=no

-fi

-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext

-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_compiler" >&5

-$as_echo "$ac_header_compiler" >&6; }

-

-# Is the header present?

-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 presence" >&5

-$as_echo_n "checking $2 presence... " >&6; }

-cat confdefs.h - <<_ACEOF >conftest.$ac_ext

-/* end confdefs.h.  */

-#include <$2>

-_ACEOF

-if ac_fn_c_try_cpp "$LINENO"; then :

-  ac_header_preproc=yes

-else

-  ac_header_preproc=no

-fi

-rm -f conftest.err conftest.i conftest.$ac_ext

-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_preproc" >&5

-$as_echo "$ac_header_preproc" >&6; }

-

-# So?  What about this header?

-case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in #((

-  yes:no: )

-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&5

-$as_echo "$as_me: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&2;}

-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5

-$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}

-    ;;

-  no:yes:* )

-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: present but cannot be compiled" >&5

-$as_echo "$as_me: WARNING: $2: present but cannot be compiled" >&2;}

-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     check for missing prerequisite headers?" >&5

-$as_echo "$as_me: WARNING: $2:     check for missing prerequisite headers?" >&2;}

-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: see the Autoconf documentation" >&5

-$as_echo "$as_me: WARNING: $2: see the Autoconf documentation" >&2;}

-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&5

-$as_echo "$as_me: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&2;}

-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5

-$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}

-( $as_echo "## ---------------------------------------- ##

-## Report this to biocore@stat.math.ethz.ch ##

-## ---------------------------------------- ##"

-     ) | sed "s/^/$as_me: WARNING:     /" >&2

-    ;;

-esac