```ruby
#
# Cookbook Name:: build-essential
# Attributes:: default
#
# Copyright 2008-2012, Chef Software, Inc.
#
# 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.
#

default['build-essential']['compile_time'] = false
default['build-essential']['msys']['path'] = 'C:/msys'
```

Use SYSTEMDRIVE for msys path attribue
user
```ruby
#
# Cookbook Name:: build-essential
# Attributes:: default
#
# Copyright 2008-2012, Chef Software, Inc.
#
# 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.
#

default['build-essential']['compile_time'] = false
default['build-essential']['msys']['path'] = File.join(ENV['SYSTEMDRIVE'], 'msys')
```
assistant