box2d: no need to chdir twice

1 files changed, 6 insertions, 8 deletions

diff --git a/Library/Formula/box2d.rb b/Library/Formula/box2d.rb
index 200505aef..55afc54e6 100644
--- a/Library/Formula/box2d.rb
+++ b/Library/Formula/box2d.rb
@@ -8,14 +8,12 @@ class Box2d < Formula
   depends_on 'cmake' => :build
 
   def install
-    cd 'Box2D_v2.3.0' do
-      cd 'Box2D' do
-        system "cmake", "-DBOX2D_INSTALL=ON",
-                        "-DBOX2D_BUILD_SHARED=ON",
-                        "-DBOX2D_BUILD_EXAMPLES=OFF",
-                        *std_cmake_args
-        system "make install"
-      end
+    cd "Box2D_v#{version}/Box2D" do
+      system "cmake", "-DBOX2D_INSTALL=ON",
+                      "-DBOX2D_BUILD_SHARED=ON",
+                      "-DBOX2D_BUILD_EXAMPLES=OFF",
+                      *std_cmake_args
+      system "make install"
     end
   end
 end