ncmpcpp: add HEAD

Formula/ncmpcpp.rb

@@ -5,6 +5,15 @@ class Ncmpcpp < Formula
   url 'http://ncmpcpp.rybczak.net/stable/ncmpcpp-0.5.10.tar.bz2'
   sha1 '5e34733e7fbaf2862f04fdf8af8195ce860a9014'
 
+  head do
+    url 'git://repo.or.cz/ncmpcpp.git'
+
+    depends_on :autoconf
+    depends_on :automake
+    depends_on :libtool
+    depends_on 'boost' # not needed by stable
+  end
+
   depends_on 'pkg-config' => :build
   depends_on 'taglib'
   depends_on 'libmpdclient'
@@ -12,7 +21,7 @@ class Ncmpcpp < Formula
 
   fails_with :clang do
     cause "'itsTempString' is a private member of 'NCurses::basic_buffer<char>'"
-  end
+  end if build.stable?
 
   option 'outputs', 'Compile with mpd outputs control'
   option 'visualizer', 'Compile with built-in visualizer'
@@ -29,7 +38,12 @@ class Ncmpcpp < Formula
     args << '--enable-visualizer' if build.include? 'visualizer'
     args << '--enable-clock' if build.include? 'clock'
 
-    system "./configure", *args
+    if build.head?
+      # Also runs configure
+      system "./autogen.sh", *args
+    else
+      system "./configure", *args
+    end
     system "make install"
   end
 end