libevent: use options DSL

Signed-off-by: Jack Nagel <jacknagel@gmail.com>

1 files changed, 14 insertions, 16 deletions

diff --git a/Library/Formula/libevent.rb b/Library/Formula/libevent.rb
index 8a10a6d2b..36edc48a3 100644
--- a/Library/Formula/libevent.rb
+++ b/Library/Formula/libevent.rb
@@ -7,37 +7,35 @@ class Libevent < Formula
 
   head 'git://levent.git.sourceforge.net/gitroot/levent/levent'
 
-  fails_with :llvm do
-    build 2326
-    cause "Undefined symbol '_current_base' reported during linking."
-  end
-
-  if ARGV.build_head?
+  if build.head?
     depends_on :automake
     depends_on :libtool
   end
 
-  depends_on "doxygen" => :build if ARGV.include? '--enable-manpages'
+  depends_on "doxygen" => :build if build.include? 'enable-manpages'
 
-  # Enable manpage generation
-  def patches
-    DATA if ARGV.include? '--enable-manpages'
+  option :universal
+  option 'enable-manpages', 'Install the libevent manpages (requires doxygen)'
+
+  fails_with :llvm do
+    build 2326
+    cause "Undefined symbol '_current_base' reported during linking."
   end
 
-  def options
-    [["--enable-manpages", "Install the libevent manpages"],
-     ["--universal", "Builds a universal binary"]]
+  # Enable manpage generation
+  def patches
+    DATA if build.include? 'enable-manpages'
   end
 
   def install
-    ENV.universal_binary if ARGV.build_universal?
+    ENV.universal_binary if build.universal?
     ENV.j1
-    system "./autogen.sh" if ARGV.build_head?
+    system "./autogen.sh" if build.head?
     system "./configure", "--prefix=#{prefix}"
     system "make"
     system "make install"
 
-    if ARGV.include? '--enable-manpages'
+    if build.include? 'enable-manpages'
       system "make doxygen"
       man3.install Dir['doxygen/man/man3/*.3']
     end