Gem stuff

On 07/27/2014 01:16 AM, Daniel Mendler wrote:
> In lmdb.gemspec:
>
>> @@ -19,6 +19,7 @@ Gem::Specification.new do |s|
>>    s.test_files    = `git ls-files -- spec/*`.split("\n")
>>    s.require_paths = ['lib']
>>
>> +  s.required_ruby_version = Gem::Requirement.new("~> 2.0")
>
> Why are we not supporting 1.9 anymore?

The 1.9.3 thread API is a bit different from 2.0. For example, 
rb_thread_call_without_gvl2() exists in 2.x but not in 1.9.3.

Let me see if I can make it work....