gromacs: use new dsl

1 files changed, 6 insertions, 10 deletions

diff --git a/Library/Formula/gromacs.rb b/Library/Formula/gromacs.rb
index 0c4c60caa..d035313c9 100644
--- a/Library/Formula/gromacs.rb
+++ b/Library/Formula/gromacs.rb
@@ -1,23 +1,19 @@
 require 'formula'
 
 class Gromacs < Formula
-  url 'ftp://ftp.gromacs.org/pub/gromacs/gromacs-4.5.5.tar.gz'
   homepage 'http://www.gromacs.org/'
+  url 'ftp://ftp.gromacs.org/pub/gromacs/gromacs-4.5.5.tar.gz'
   md5 '6a87e7cdfb25d81afa9fea073eb28468'
 
-  depends_on 'fftw'
+  option 'enable-mpi', "Enables MPI support"
+  option 'enable-double',"Enables double precision"
 
-  def options
-    [
-      ['--enable-mpi', "Enables MPI support"],
-      ['--enable-double',"Enables double precision"]
-    ]
-  end
+  depends_on 'fftw'
 
   def install
     args = ["--prefix=#{prefix}"]
-    args << "--enable-mpi" if ARGV.include? '--enable-mpi'
-    args << "--enable-double" if ARGV.include? '--enable-double'
+    args << "--enable-mpi" if build.include? 'enable-mpi'
+    args << "--enable-double" if build.include? 'enable-double'
 
     system "./configure", *args
     system "make"