Link to icucore on Mac #55
                
     Open
            
            
          
  Add this suggestion to a batch that can be applied as a single commit.
  This suggestion is invalid because no changes were made to the code.
  Suggestions cannot be applied while the pull request is closed.
  Suggestions cannot be applied while viewing a subset of changes.
  Only one suggestion per line can be applied in a batch.
  Add this suggestion to a batch that can be applied as a single commit.
  Applying suggestions on deleted lines is not supported.
  You must change the existing code in this line in order to create a valid suggestion.
  Outdated suggestions cannot be applied.
  This suggestion has been applied or marked resolved.
  Suggestions cannot be applied from pending reviews.
  Suggestions cannot be applied on multi-line comments.
  Suggestions cannot be applied while the pull request is queued to merge.
  Suggestion cannot be applied right now. Please check back later.
  
    
  
    
Mac OS X already has an inbuilt, partial
libicuimplementation calledlibicucore, see e.g. this guide. This pull request buildsnode-stringprepagainst the inbuiltlibicucore, avoiding finicky Homebrew etc. installations oflibicu(see #31, #37, #47).The diffs feature:
unicodeheader directory oflibicuversion 49 from the ICU project. This corresponds to the version on my OS X 10.8 machine and is needed to compile.binding.gypto compile and link againstlibicucore.