Corrupt ament_cmake_symlink_install.cmake may be generated

[impactaky]

When I colcon build --symlink-install according to ROS2 tutorial, ament.cmake can be broken in my environment.
The output is in the following gist.
https://gist.github.com/impactaky/1254e9815337c3837c15922db12d9231#file-ament_cmake_symlink_install-cmake-L322

[cottsay]

Hi, thanks for the ticket.

1. What system are experiencing this error on? Ubuntu?
2. How can I reproduce this error myself?