Cmake error when I run `./pico_setup.sh`

[GalaxiumNation]

Using PICO_SDK_PATH from environment ('/home/galaxium/pico/pico-sdk') -- Could NOT find PkgConfig (missing: PKG_CONFIG_EXECUTABLE) -- Could NOT find LIBUSB (missing: LIBUSB_INCLUDE_DIR) CMake Error at CMakeLists.txt:34 (message): picotool cannot be built because libUSB is not found
What happened?
CMakeOutput.log

[lurch]

Moving this to the pico-setup repo.
What OS were you using?

[lurch]

See also #15 and #21

[GalaxiumNation]

Ubuntu 22.04