CMake issue on OSRA install: InChI library not found

[dpolefrone]

Hi,

In going through the recommended brew packages as per https://www.macinchem.org/reviews/cheminfo/cheminfoMacUpdate.php, I've run into the following error:

brew install osra
==> Installing osra from mcs07/cheminformatics
==> Installing dependencies for mcs07/cheminformatics/osra: mcs07/cheminformatics/open-babel, libtool and graphicsmagick
==> Installing mcs07/cheminformatics/osra dependency: mcs07/cheminformatics/open-babel
==> Downloading https://github.com/openbabel/openbabel/archive/openbabel-2-4-1.tar.gz
Already downloaded: /Users/davidpolefrone/Library/Caches/Homebrew/downloads/6937db17b0d685087dbefb2a69072e743cba78cd3001a51e8f29c1fbcea06e67--openbabel-openbabel-2-4-1.tar.gz
==> cmake .. -DOPENBABEL_USE_SYSTEM_INCHI=ON
Last 15 lines from /Users/davidpolefrone/Library/Logs/Homebrew/open-babel/01.cmake:
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: /usr/local/Homebrew/Library/Homebrew/shims/mac/super/clang++
-- Check for working CXX compiler: /usr/local/Homebrew/Library/Homebrew/shims/mac/super/clang++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Could NOT find INCHI (missing: INCHI_LIBRARY INCHI_INCLUDE_DIR)
CMake Error at CMakeLists.txt:151 (message):
Inchi library not found.

-- Configuring incomplete, errors occurred!
See also "/tmp/open-babel-20200321-32477-145s3aq/openbabel-openbabel-2-4-1/build/CMakeFiles/CMakeOutput.log".

If reporting this issue please do so at (not Homebrew/brew or Homebrew/core):
https://github.com/mcs07/homebrew-cheminformatics/issues

How can this configuration error be fixed?