Add post_install_message to install sysrandom gem (rafaelsales#17)

owst · Feb 3, 2020 · e30307a · e30307a
1 parent d8d98c7
commit e30307a
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/ulid.gemspec b/ulid.gemspec
@@ -17,5 +17,8 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ['lib']
 
-  spec.add_dependency 'sysrandom', '>= 1.0.0', '< 2.0' if RUBY_VERSION < '2.5'
+  spec.post_install_message = %q[
+ulid gem needs to install sysrandom gem if you use Ruby 2.4 or older.
+Execute `gem install sysrandom` or add `gem "sysrandom"` to Gemfile.
+]
 end