...
- uninstall tesseract:
brew uninstall tesseract
- uninstall leptonica:
brew uninstall leptonica
- install leptonica with tiff support:
brew install leptonica --with-libtiff
- install tesseract:
brew install tesseract tesseract-lang
...
...
brew uninstall tesseract
brew uninstall leptonica
brew install leptonica --with-libtiff
brew install tesseract tesseract-lang
...