old_contents: import winbrew
  
  class Bullet(winbrew.Formula):
      url = 'https://bullet.googlecode.com/files/bullet-2.82-r2704.zip'
      homepage = 'http://bulletphysics.org'
      sha1 = ''
      build_deps = ('cmake',)
      deps = ()
  
      def install(self):
          self.cd('bullet-2.82-r2704')
          self.cmake(('-G', 'Visual Studio 12', 
              '-DUSE_DOUBLE_PRECISION=ON', 
              '-DBUILD_DEMOS=OFF', 
              '-DBUILD_EXTRAS=OFF', 
              '-DBUILD_SHARED_LIBS=OFF'))
          self.msbuild(winbrew.msbuild_args+('BULLET_PHYSICS.sln',))
          self.libs('lib\\Release')
          self.includes('src', dest='bullet')
  
      def test(self):
          pass
  
new_contents: import winbrew
  
  class Bullet(winbrew.Formula):
      url = 'https://bullet.googlecode.com/files/bullet-2.82-r2704.zip'
      homepage = 'http://bulletphysics.org'
      sha1 = ''
      build_deps = ('cmake',)
      deps = ()
  
      def install(self):
          self.cd('bullet-2.82-r2704')
          self.cmake(('-G', 'Visual Studio 12', 
              '-DUSE_DOUBLE_PRECISION=OFF', 
              '-DBUILD_DEMOS=OFF', 
              '-DBUILD_EXTRAS=OFF', 
              '-DBUILD_SHARED_LIBS=OFF'))
          self.msbuild(winbrew.msbuild_args+('BULLET_PHYSICS.sln',))
          self.libs('lib\\Release')
          self.includes('src', dest='bullet')
  
      def test(self):
          pass
  
subject: Use single precision for bullet'