bullet: build universal under superenv

1 files changed, 5 insertions, 1 deletions

diff --git a/Library/Formula/bullet.rb b/Library/Formula/bullet.rb
index a71082e04..3ff530cdd 100644
--- a/Library/Formula/bullet.rb
+++ b/Library/Formula/bullet.rb
@@ -28,7 +28,11 @@ class Bullet < Formula
       args << "-DCMAKE_INSTALL_PREFIX=#{prefix}"
     end
 
-    args << "-DCMAKE_OSX_ARCHITECTURES='#{Hardware::CPU.universal_archs.as_cmake_arch_flags}" if build.universal?
+    if build.universal?
+      ENV.universal_binary
+      args << "-DCMAKE_OSX_ARCHITECTURES=#{Hardware::CPU.universal_archs.as_cmake_arch_flags}"
+    end
+
     args << "-DUSE_DOUBLE_PRECISION=ON" if build.include? "double-precision"
 
     args << "-DBUILD_DEMOS=OFF" unless build.include? "build-demo"