Update to the latest autoconf / automake
diff --git a/Makefile.in b/Makefile.in
index 7132eb4..3dc325e 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -2574,7 +2574,6 @@
 GVCDecodeDelegate = @GVCDecodeDelegate@
 GVC_CFLAGS = @GVC_CFLAGS@
 GVC_LIBS = @GVC_LIBS@
-GnuplotDecodeDelegate = @GnuplotDecodeDelegate@
 HPGLDecodeDelegate = @HPGLDecodeDelegate@
 HTMLDecodeDelegate = @HTMLDecodeDelegate@
 ILBMDecodeDelegate = @ILBMDecodeDelegate@
diff --git a/config/delegates.xml.in b/config/delegates.xml.in
index 25d9290..ecee3a2 100644
--- a/config/delegates.xml.in
+++ b/config/delegates.xml.in
@@ -102,7 +102,6 @@
   <delegate decode="pcl:mono" stealth="True" command="&quot;@PCLDelegate@&quot; -dQUIET -dSAFER -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=2 &quot;-sDEVICE=@PCLMonoDevice@&quot; -dTextAlphaBits=%u -dGraphicsAlphaBits=%u &quot;-r%s&quot; %s &quot;-sOutputFile=%s&quot; &quot;%s&quot;"/>
   <delegate decode="pdf" encode="eps" mode="bi" command="&quot;@PSDelegate@&quot; -q -dQUIET -dSAFER -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=2 &quot;-sDEVICE=@GSEPSDevice@&quot; &quot;-sOutputFile=%o&quot; &quot;-f%i&quot;"/>
   <delegate decode="pdf" encode="ps" mode="bi" command="&quot;@PSDelegate@&quot; -q -dQUIET -dSAFER -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=2 &quot;-sDEVICE=@GSPSDevice@&quot; &quot;-sOutputFile=%o&quot; &quot;-f%i&quot;"/>
-  <delegate decode="plt" command="&quot;@EchoDelegate@&quot; &quot;set size 1.25,0.62; set terminal postscript portrait color solid; set output \'%o\'; load \'%i\'&quot; &gt; &quot;%u&quot;;&quot;@GnuplotDecodeDelegate@&quot; &quot;%u&quot;"/>
   <delegate decode="png" encode="webp" command="&quot;@WebPEncodeDelegate@&quot; -quiet -q %Q &quot;%i&quot; -o &quot;%o&quot;"/>
   <delegate decode="pnm" encode="ilbm" mode="encode" command="&quot;@ILBMEncodeDelegate@&quot; -24if &quot;%i&quot; &gt; &quot;%o&quot;"/>
   <delegate decode="bmp" encode="jxr" command="mv &quot;%i&quot; &quot;%i.bmp&quot;; &quot;@JXREncodeDelegate@&quot; -i &quot;%i.bmp&quot; -o &quot;%o.jxr&quot;; mv &quot;%i.bmp&quot; &quot;%i&quot;; mv &quot;%o.jxr&quot; &quot;%o&quot;"/>
diff --git a/configure b/configure
index a76e5f1..7f0c9da 100755
--- a/configure
+++ b/configure
@@ -722,7 +722,6 @@
 HTMLDecodeDelegate
 HPGLDecodeDelegate
 GVCDecodeDelegate
-GnuplotDecodeDelegate
 EditorDelegate
 EchoDelegate
 DisplayDelegate
@@ -4528,7 +4527,7 @@
 
 MAGICK_VERSION=7.0.1-2
 
-MAGICK_GIT_REVISION=18104:9cdadd9:20160504
+MAGICK_GIT_REVISION=18107:f7f737e:20160505
 
 
 # Substitute library versioning
@@ -34613,7 +34612,6 @@
 ConvertDelegateDefault=`echo convert | sed ${configure_transform_name}`
 DisplayDelegateDefault=`echo display | sed ${configure_transform_name}`
 MogrifyDelegateDefault=`echo mogrify | sed ${configure_transform_name}`
-GnuplotDecodeDelegateDefault='gnuplot'
 HPGLDecodeDelegateDefault='hp2xx'
 HTMLDecodeDelegateDefault='html2ps'
 ILBMDecodeDelegateDefault='ilbmtoppm'
@@ -35232,47 +35230,6 @@
 fi
 
 
-# Extract the first word of ""$GnuplotDecodeDelegateDefault"", so it can be a program name with args.
-set dummy "$GnuplotDecodeDelegateDefault"; 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_GnuplotDecodeDelegate+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  case $GnuplotDecodeDelegate in
-  [\\/]* | ?:[\\/]*)
-  ac_cv_path_GnuplotDecodeDelegate="$GnuplotDecodeDelegate" # 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_GnuplotDecodeDelegate="$as_dir/$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
-
-  test -z "$ac_cv_path_GnuplotDecodeDelegate" && ac_cv_path_GnuplotDecodeDelegate=""$GnuplotDecodeDelegateDefault""
-  ;;
-esac
-fi
-GnuplotDecodeDelegate=$ac_cv_path_GnuplotDecodeDelegate
-if test -n "$GnuplotDecodeDelegate"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $GnuplotDecodeDelegate" >&5
-$as_echo "$GnuplotDecodeDelegate" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
 # Extract the first word of ""$GVCDecodeDelegateDefault"", so it can be a program name with args.
 set dummy "$GVCDecodeDelegateDefault"; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
@@ -36889,7 +36846,6 @@
   DVIDecodeDelegate="$DVIDecodeDelegateDefault"
   EchoDelegate="$EchoDelegateDefault"
   EditorDelegate="$EditorDelegateDefault"
-  GnuplotDecodeDelegate="$GnuplotDecodeDelegateDefault"
   GVCDecodeDelegate="$GVCDecodeDelegateDefault"
   HPGLDecodeDelegate="$HPGLDecodeDelegateDefault"
   HTMLDecodeDelegate="$HTMLDecodeDelegateDefault"
@@ -36969,7 +36925,6 @@
 
 
 
-
 #
 # RPM support.
 #
diff --git a/configure.ac b/configure.ac
index f15c237..d922cc7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3031,7 +3031,6 @@
 ConvertDelegateDefault=`echo convert | sed ${configure_transform_name}`
 DisplayDelegateDefault=`echo display | sed ${configure_transform_name}`
 MogrifyDelegateDefault=`echo mogrify | sed ${configure_transform_name}`
-GnuplotDecodeDelegateDefault='gnuplot'
 HPGLDecodeDelegateDefault='hp2xx'
 HTMLDecodeDelegateDefault='html2ps'
 ILBMDecodeDelegateDefault='ilbmtoppm'
@@ -3085,7 +3084,6 @@
 AC_PATH_PROG(DisplayDelegate, "$DisplayDelegateDefault", "$DisplayDelegateDefault")
 AC_PATH_PROG(EchoDelegate, "$EchoDelegateDefault", "$EchoDelegateDefault")
 AC_PATH_PROG(EditorDelegate, "$EditorDelegateDefault", "$EditorDelegateDefault")
-AC_PATH_PROG(GnuplotDecodeDelegate, "$GnuplotDecodeDelegateDefault", "$GnuplotDecodeDelegateDefault")
 AC_PATH_PROG(GVCDecodeDelegate, "$GVCDecodeDelegateDefault", "$GVCDecodeDelegateDefault")
 AC_PATH_PROG(HPGLDecodeDelegate, "$HPGLDecodeDelegateDefault", "$HPGLDecodeDelegateDefault")
 AC_PATH_PROG(HTMLDecodeDelegate, "$HTMLDecodeDelegateDefault", "$HTMLDecodeDelegateDefault")
@@ -3285,7 +3283,6 @@
   DVIDecodeDelegate="$DVIDecodeDelegateDefault"
   EchoDelegate="$EchoDelegateDefault"
   EditorDelegate="$EditorDelegateDefault"
-  GnuplotDecodeDelegate="$GnuplotDecodeDelegateDefault"
   GVCDecodeDelegate="$GVCDecodeDelegateDefault"
   HPGLDecodeDelegate="$HPGLDecodeDelegateDefault"
   HTMLDecodeDelegate="$HTMLDecodeDelegateDefault"
@@ -3334,7 +3331,6 @@
 AC_SUBST(DVIDecodeDelegate)
 AC_SUBST(EchoDelegate)
 AC_SUBST(EditorDelegate)
-AC_SUBST(GnuplotDecodeDelegate)
 AC_SUBST(HPGLDecodeDelegate)
 AC_SUBST(HTMLDecodeDelegate)
 AC_SUBST(ILBMDecodeDelegate)