10.9+OF0.8.4+Xcode 6 not building

Keep getting build errors for OFTexture.cpp

/Volumes/Extra/Documents/of_v0.8.4_osx_release/libs/openFrameworks/gl/ofTexture.cpp:383:44: Use of undeclared identifier ‘GL_TEXTURE_SWIZZLE_R’

Any ideas how to fix this?

TIA