Vendor libyaml software definition

Source:
ihttps://github.com/opscode/omnibus-software/blob/0dddef2baefd5f62dd38ff2ae6e5491bfb394479/config/software/libyaml.rb

config/software/libyaml.rb

+#
+# Copyright:: Copyright (c) 2012-2014 Chef Software, Inc.
+# License:: Apache License, Version 2.0
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+name "libyaml"
+default_version '0.1.6'
+
+source :url => "http://pyyaml.org/download/libyaml/yaml-#{version}.tar.gz",
+       :md5 => '5fe00cda18ca5daeb43762b80c38e06e'
+
+relative_path "yaml-#{version}"
+
+configure_env =
+  case platform
+  when "aix"
+    {
+      "CC" => "xlc -q64",
+      "CXX" => "xlC -q64",
+      "LD" => "ld -b64",
+      "CFLAGS" => "-q64 -I#{install_dir}/embedded/include -O",
+      "LDFLAGS" => "-q64 -Wl,-blibpath:/usr/lib:/lib",
+      "OBJECT_MODE" => "64",
+      "ARFLAGS" => "-X64 cru",
+      "LD" => "ld -b64",
+      "OBJECT_MODE" => "64",
+      "ARFLAGS" => "-X64 cru "
+    }
+  when "mac_os_x"
+    {
+      "LDFLAGS" => "-L#{install_dir}/embedded/lib -I#{install_dir}/embedded/include",
+      "CFLAGS" => "-I#{install_dir}/embedded/include -L#{install_dir}/embedded/lib"
+    }
+  when "solaris2"
+    {
+      "LDFLAGS" => "-R#{install_dir}/embedded/lib -L#{install_dir}/embedded/lib -I#{install_dir}/embedded/include -static-libgcc",
+      "CFLAGS" => "-L#{install_dir}/embedded/lib -I#{install_dir}/embedded/include -DNO_VIZ"
+    }
+  else
+    {
+      "LDFLAGS" => "-L#{install_dir}/embedded/lib -I#{install_dir}/embedded/include",
+      "CFLAGS" => "-I#{install_dir}/embedded/include -L#{install_dir}/embedded/lib"
+    }
+  end
+
+build do
+  command "./configure --prefix=#{install_dir}/embedded", :env => configure_env
+  command "make -j #{max_build_jobs}", :env => configure_env
+  command "make -j #{max_build_jobs} install", :env => configure_env
+end