Skip libglu on osx
@@ -64,7 +64,7 @@ requirements:
- gtk3 # [linux]
# libglu seems necessary for osx too
# https://github.com/conda-forge/libglu-feedstock/pull/17
- - libglu # [unix]
+ - libglu # [linux]
- mesalib # [unix]
- xorg-libx11 # [linux]
- xorg-libsm # [linux]
