diff --git a/Formula/gnuplot@4.rb b/Formula/gnuplot@4.rb
new file mode 100644
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+++ b/Formula/gnuplot@4.rb
@@ -0,0 +1,102 @@
+class GnuplotAT4 < Formula
+  desc "Command-driven, interactive function plotting"
+  homepage "http://www.gnuplot.info"
+  url "https://downloads.sourceforge.net/project/gnuplot/gnuplot/4.6.7/gnuplot-4.6.7.tar.gz"
+  sha256 "26d4d17a00e9dcf77a4e64a28a3b2922645b8bbfe114c0afd2b701ac91235980"
+
+  keg_only :versioned_formula
+
+  option "with-pdflib-lite", "Build the PDF terminal using pdflib-lite"
+  option "with-wxmac", "Build the wxWidgets terminal using pango"
+  option "with-cairo", "Build the Cairo based terminals"
+  option "without-lua", "Build without the lua/TikZ terminal"
+  option "with-test", "Verify the build with make check (1 min)"
+  option "without-emacs", "Do not build Emacs lisp files"
+  option "with-tex", "Build with LaTeX support"
+  option "with-aquaterm", "Build with AquaTerm support"
+  option "with-x11", "Build with X11 support"
+
+  depends_on "pkg-config" => :build
+  depends_on "lua" => :recommended
+  depends_on "gd" => :recommended
+  depends_on "readline"
+  depends_on "libpng"
+  depends_on "jpeg"
+  depends_on "libtiff"
+  depends_on "fontconfig"
+  depends_on "pango" if (build.with? "cairo") || (build.with? "wxmac")
+  depends_on "pdflib-lite" => :optional
+  depends_on "wxmac" => :optional
+  depends_on :tex => :optional
+  depends_on :x11 => :optional
+
+  def install
+    if build.with? "aquaterm"
+      # Add "/Library/Frameworks" to the default framework search path, so that an
+      # installed AquaTerm framework can be found. Brew does not add this path
+      # when building against an SDK (Nov 2013).
+      ENV.prepend "CPPFLAGS", "-F/Library/Frameworks"
+      ENV.prepend "LDFLAGS", "-F/Library/Frameworks"
+    else
+      inreplace "configure", "-laquaterm", ""
+    end
+
+    # Help configure find libraries
+    readline = Formula["readline"].opt_prefix
+    pdflib = Formula["pdflib-lite"].opt_prefix
+    gd = Formula["gd"].opt_prefix
+
+    args = %W[
+      --disable-dependency-tracking
+      --disable-silent-rules
+      --prefix=#{prefix}
+      --with-readline=#{readline}
+    ]
+
+    args << "--with-pdf=#{pdflib}" if build.with? "pdflib-lite"
+    args << (build.with?("gd") ? "--with-gd=#{gd}" : "--without-gd")
+
+    if build.without? "wxmac"
+      args << "--disable-wxwidgets"
+      args << "--without-cairo" if build.without? "cairo"
+    end
+
+    args << "--without-lua" if build.without? "lua"
+    args << (build.with?("emacs") ? "--with-lispdir=#{elisp}" : "--without-lisp-files")
+    args << (build.with?("aquaterm") ? "--with-aquaterm" : "--without-aquaterm")
+    args << (build.with?("x11") ? "--with-x" : "--without-x")
+    args << (build.with?("tex") ? "--with-latex" : "--without-latex")
+
+    # From latest gnuplot formula on core:
+    # > The tutorial requires the deprecated subfigure TeX package installed
+    # > or it halts in the middle of the build for user-interactive resolution.
+    # > Per upstream: "--with-tutorial is horribly out of date."
+    args << "--without-tutorial"
+
+    system "./configure", *args
+    ENV.deparallelize # or else emacs tries to edit the same file with two threads
+    system "make"
+    system "make", "check" if build.with? "test"
+    system "make", "install"
+  end
+
+  def caveats
+    if build.with? "aquaterm"
+      <<-EOS.undent
+        AquaTerm support will only be built into Gnuplot if the standard AquaTerm
+        package from SourceForge has already been installed onto your system.
+        If you subsequently remove AquaTerm, you will need to uninstall and then
+        reinstall Gnuplot.
+      EOS
+    end
+  end
+
+  test do
+    system "#{bin}/gnuplot", "-e", <<-EOS.undent
+        set terminal png;
+        set output "#{testpath}/image.png";
+        plot sin(x);
+    EOS
+    assert (testpath/"image.png").exist?
+  end
+end