1 files changed, 7 insertions, 1 deletions
diff --git a/Library/Formula/opencv.rb b/Library/Formula/opencv.rb
index 0697ad7d3..e16d56734 100644
--- a/Library/Formula/opencv.rb
+++ b/Library/Formula/opencv.rb
@@ -21,8 +21,14 @@ class Opencv <Formula
   # you don't need unless you're doing video analysis, and some of it isn't
   # in Homebrew anyway.
 
+  def options
+    [['--build32', 'Force a 32-bit build.']]
+  end
+
   def install
-    system "cmake -G 'Unix Makefiles' -DCMAKE_INSTALL_PREFIX:PATH=#{prefix} ."
+    makefiles = "cmake -G 'Unix Makefiles' -DCMAKE_INSTALL_PREFIX:PATH=#{prefix} ."
+    makefiles += " -DOPENCV_EXTRA_C_FLAGS='-arch i386 -m32'" if ARGV.include? '--build32'
+    system makefiles
     system "make"
     system "make install"
   end