autoconf@2.64: import from homebrew/versions.

Formula/autoconf@2.64.rb

@@ -0,0 +1,21 @@
+class AutoconfAT264 < Formula
+  desc "Automatic configure script builder"
+  homepage "https://www.gnu.org/software/autoconf/"
+  url "https://ftpmirror.gnu.org/autoconf/autoconf-2.64.tar.gz"
+  mirror "https://ftp.gnu.org/gnu/autoconf/autoconf-2.64.tar.gz"
+  sha256 "a84471733f86ac2c1240a6d28b705b05a6b79c3cca8835c3712efbdf813c5eb6"
+
+  def install
+    system "./configure", "--program-suffix=264",
+                          "--prefix=#{prefix}",
+                          "--with-lispdir=#{elisp}",
+                          "--infodir=#{pkgshare}/info",
+                          "--datadir=#{pkgshare}"
+    system "make", "install"
+  end
+
+  test do
+    cp pkgshare/"autoconf/autotest/autotest.m4", "autotest.m4"
+    system bin/"autoconf264", "autotest.m4"
+  end
+end

formula_renames.json

@@ -7,6 +7,7 @@
   "apache-spark15": "apache-spark@15",
   "apache-spark16": "apache-spark@16",
   "autoconf213": "autoconf@213",
+  "autoconf264": "autoconf@264",
   "beanstalk": "beanstalkd",
   "cloog-ppl015": "cloog@0.15",
   "cloog018": "cloog",