That’s the correct approach. The build steps from the readme are copied below. 

HP

Building on Mac OSX

Use the following commands to build these packages on Mac OSX

• OpenColorIO
  • brew install -vd opencolorio --with-python
• Update the homebrew repository of install scripts to make sure that OpenImageIO is included.
  • brew tap homebrew/science
• Optional Dependencies for OpenImageIO
  • brew install -vd libRaw
  • brew install -vd OpenCV
• OpenImageIO
  • brew install -vd openimageio --with-python
• CTL
  • brew install -vd CTL
• OpenColorIO, a second time. ociolutimage will build with openimageio installed.
  • brew uninstall -vd opencolorio
  • brew install -vd opencolorio --with-python

On Wed, Jun 27, 2018 at 10:27 PM Michael Dolan <mich...@...> wrote:

To build "ociolutimage", OCIO needs to be linked against OpenImageIO. These two packages have optional dependencies on each other, so build order can be troublesome if you need both packages with full functionality.

I typically build OCIO without the OIIO dependency; then build OIIO, linking against OCIO; then build OCIO again, linking against OIIO. The homebrew OIIO formulae depends on OCIO, so that may be contributing to this support being missing.

On Thu, Jun 14, 2018, 5:38 AM Abraham Schneider, <abraham....@...> wrote:

I tried to create the original ACES 1.0.3 config from the included python folder via the 'create_aces_config' tool on my Mac. To do that, I installed all necessary tools via 'homebrew' (like 'ctl') and especially OCIO like it's mentioned on the website: 'brew install opencolorio --with-python'

Unfortunately the 'create_aces_config' script won't run successfully because it can't find the tool 'ociolutimage'. Would be cool if the homebrew version of OCIO would install all the tools that are available in 'https://github.com/imageworks/OpenColorIO/tree/master/src/apps', so it would be easy to create the ACES reference config easily on your own. 

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