add libyaml

packages/l/libyaml/xmake.lua

@@ -0,0 +1,19 @@
+package("libyaml")
+
+    set_homepage("http://pyyaml.org/wiki/LibYAML")
+    set_description("Canonical source repository for LibYAML.")
+
+    set_urls("https://github.com/yaml/libyaml/archive/$(version).tar.gz",
+             "https://github.com/yaml/libyaml.git")
+    add_versions("0.2.2", "46bca77dc8be954686cff21888d6ce10ca4016b360ae1f56962e6882a17aa1fe")
+ 
+    on_install("macosx", "linux", function (package)
+        if not os.isfile("configure") then
+            os.vrun("./bootstrap")
+        end
+        import("package.tools.autoconf").install(package) 
+    end)
+
+    on_test(function (package)
+        assert(package:has_cfuncs("yaml_document_initialize", {includes = "yaml.h"}))
+    end)