/usr/lib/x86_64-linux-gnu/pkgconfig/vterm.pc is in libvterm-dev 0~bzr684-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 | prefix=/usr
libdir=/usr/lib/x86_64-linux-gnu
includedir=${prefix}/include
Name: vterm
Description: Abstract VT220/Xterm/ECMA-48 emulation library
Version: 0.0
Libs: -L${libdir} -lvterm
Cflags: -I${includedir}
|