diff --git a/rockspecs/effil-1.1-0.rockspec b/rockspecs/effil-1.1-0.rockspec
new file mode 100644
index 0000000..1cc69b2
--- /dev/null
+++ b/rockspecs/effil-1.1-0.rockspec
@@ -0,0 +1,45 @@
+package = "effil"
+version = "1.1-0"
+
+source = {
+    url = "gitrec+http://github.com/effil/effil",
+    tag = "v1.1-0"
+}
+
+description = {
+    summary  = "Multithreading library for Lua.",
+    detailed = [[
+       Effil is a lua module for multithreading support. It allows to spawn native threads and provides safe data exchange.
+    ]],
+    homepage = "https://github.com/effil/effil",
+    license  = "MIT"
+}
+
+dependencies = {
+    "lua >= 5.1", "luarocks-fetch-gitrec"
+}
+
+local function get_unix_build()
+    local install_dir = "rockspeck-content"
+    return {
+        type = "cmake",
+        variables = {
+            CMAKE_BUILD_TYPE     = "Release",
+            CMAKE_PREFIX_PATH    = "$(LUA_BINDIR)/..",
+            CMAKE_INSTALL_PREFIX = install_dir,
+            CMAKE_LIBRARY_PATH   = "$(LUA_LIBDIR)",
+            LUA_INCLUDE_DIR      = "$(LUA_INCDIR)",
+            BUILD_ROCK           = "yes"
+        },
+      install = {
+          lib = { install_dir .. "/effil.so" }
+      }
+    }
+end
+
+build = {
+    platforms = {
+        linux = get_unix_build(),
+        macosx = get_unix_build()
+    }
+}