/usr/lib/x86_64-linux-gnu/pkgconfig/gtkhotkey-1.0.pc is in libgtkhotkey-dev 0.2.1-6.
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 10 11 | prefix=/usr
exec_prefix=${prefix}
libdir=${prefix}/lib/x86_64-linux-gnu
includedir=${prefix}/include
Name: gtkhotkey
Description: Helper library for Gtk+ applications to register and bind hotkeys in a consistent way
Version: 0.2.1
Requires: glib-2.0 gobject-2.0 gtk+-2.0
Libs: -L${libdir} -lgtkhotkey
Cflags: -I${includedir}/gtkhotkey-1.0
|