initial support for gem creation

syncache.gemspec

@@ -0,0 +1,24 @@
+Gem::Specification.new do |spec|
+  spec.name        = 'syncache'
+  spec.version     = '1.2'
+  spec.author      = 'Dmitry Borodaenko'
+  spec.email       = 'angdraug@debian.org'
+  spec.homepage    = 'https://github.com/angdraug/syncache'
+  spec.summary     = 'Thread-safe time-limited cache with flexible replacement policy'
+  spec.description = <<-EOF
+SynCache stores cached objects in a Hash that is protected by an advanced
+two-level locking mechanism which ensures that:
+
+ * Multiple threads can add and fetch objects in parallel.
+ * While one thread is working on a cache entry, other threads can access
+   the rest of the cache with no waiting on the global lock, no race
+   conditions nor deadlock or livelock situations.
+ * While one thread is performing a long and resource-intensive
+   operation, other threads that request the same data will be put on hold,
+   and as soon as the first thread completes the operation, the result will be
+   returned to all threads.
+    EOF
+  spec.files       = `git ls-files`.split "\n"
+  spec.executables = spec.files.map{|p| p =~ /^bin\/(.*)/ ? $1 : nil }.compact
+  spec.license     = 'GPL3+'
+end