czmq: add HEAD option

Closes #21730.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/Library/Formula/czmq.rb b/Library/Formula/czmq.rb
index 8a79d8c5a..f68d0e473 100644
--- a/Library/Formula/czmq.rb
+++ b/Library/Formula/czmq.rb
@@ -2,6 +2,7 @@ require 'formula'
 
 class Czmq < Formula
   homepage 'http://czmq.zeromq.org/'
+  head 'https://github.com/zeromq/czmq.git'
   url 'http://download.zeromq.org/czmq-1.4.1.tar.gz'
   sha1 '8ddb485e9d53bca6bb703c850be40b8da70c4d74'
 
@@ -9,8 +10,19 @@ class Czmq < Formula
 
   depends_on 'zeromq'
 
+  if build.head?
+    depends_on 'autoconf'
+    depends_on 'automake'
+    depends_on 'libtool'
+  end
+
   def install
     ENV.universal_binary if build.universal?
+
+    if build.head?
+      system "./autogen.sh"
+    end
+
     system "./configure", "--disable-debug", "--disable-dependency-tracking",
                           "--prefix=#{prefix}"
     system "make install"