Hi Steven, This seems to be a general problem with mac os using newer version of gcc, as described here: http://stackoverflow.com/questions/19577759/installing-libv8-gem-on-os-x-10-9 .
I'm also using mac os 10.11, and simple `bundle update` solved the problem for me. Hope this helps. Chan On Sun, Oct 16, 2016 at 2:33 PM, Steven Yan <steven....@salesforce.com> wrote: > To whom it may concern, > > I am interested in contributing to documentation, so I am following > http://predictionio.incubator.apache.org/community/ > contribute-documentation/ > on macbook pro, *osx 10.11.6*. > > $ cd docs/manual$ gem install bundler$ bundle install$ npm install -g > bower$ bower install > > > at `bundle install`, it reports > `An error occurred while installing libv8 (3.16.14.13), and Bundler cannot > continue. > Make sure that `gem install libv8 -v '3.16.14.13'` succeeds before > bundling. > ` > > running `gem install libv8 -v '3.16.14.13'` > will give error > ../src/objects.h:5252:44: error: shifting a negative signed value is > undefined [-Werror,-Wshift-negative-value] > static const int kElementsKindMask = (-1 << kElementsKindShift) & > ~~ ^ > ../src/objects.h:7386:36: error: shifting a negative signed value is > undefined [-Werror,-Wshift-negative-value] > (~kMaxCachedArrayIndexLength << kArrayIndexHashLengthShift) | > ~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^ > > however, running `gem install libv8` will not give error. > > after running `gem install libv8`, `bundle install` still gives error, > insisting I make sure `gem install libv8 -v '3.16.14.13'` works. > > Any solution for this problem? Thanks a lot. > > Thanks, > Steven >
