[Bug 1990315] Re: cannot link against libudev

[Nick Rosbrook]

There is a pkgconfig file shipped with udev itself, which just contains
the definition of udev_dir. This is unrelated to the udev development
package (libudev-dev). For development purposes, you should be using
libudev, e.g. `pkg-config --libs libudev`.

The rest sounds related to your build system, or at least not related to
systemd or udev.

** Changed in: systemd (Ubuntu)
       Status: Incomplete => Invalid

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https://bugs.launchpad.net/bugs/1990315

Title:
  cannot link against libudev

Status in systemd package in Ubuntu:
  Invalid

Bug description:
  When building Mesa vulkan drivers I get a lot of those error messages
  and the build fails:

  ```
  error: undefined symbol: udev_new
  error: undefined symbol: udev_monitor_get_fd
  error: undefined symbol: udev_monitor_new_from_netlink
  error: undefined symbol: udev_monitor_receive_device
  error: undefined symbol: udev_monitor_unref
  error: undefined symbol: udev_unref
  error: undefined symbol: udev_device_unref
  error: undefined symbol: udev_device_get_property_value
  error: undefined symbol: udev_monitor_filter_add_match_subsystem_devtype
  error: undefined symbol: udev_monitor_enable_receiving
  ```

  It worked on Ubuntu 21.10.

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