cppp 2.6 (new formula)

Closes #1522.

Signed-off-by: Dominyk Tiller <dominyktiller@gmail.com>

Formula/cppp.rb

@@ -0,0 +1,31 @@
+class Cppp < Formula
+  desc "Partial Preprocessor for C"
+  homepage "http://www.muppetlabs.com/~breadbox/software/cppp.html"
+  url "http://www.muppetlabs.com/~breadbox/pub/software/cppp-2.6.tar.gz"
+  sha256 "d42cd410882c3b660c77122b232f96c209026fe0a38d819c391307761e651935"
+
+  def install
+    system "make"
+    bin.install "cppp"
+  end
+
+  test do
+    (testpath/"hello.c").write <<-EOS.undent
+    /* Comments stand for code */
+    #ifdef FOO
+    /* FOO is defined */
+    # ifdef BAR
+    /* FOO & BAR are defined */
+    # else
+    /* BAR is not defined */
+    # endif
+    #else
+    /* FOO is not defined */
+    # ifndef BAZ
+    /* FOO & BAZ are undefined */
+    # endif
+    #endif
+    EOS
+    system "#{bin}/cppp", "-DFOO", "hello.c"
+  end
+end