/usr/lib/x86_64-linux-gnu/pkgconfig/tifiles2.pc is in libtifiles-dev 1.1.6-3.
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 12 | prefix=/usr
exec_prefix=${prefix}
libdir=${prefix}/lib/x86_64-linux-gnu
includedir=${prefix}/include
Name: TiFiles
Description: TI file format management library
Version: 1.1.6
Requires: glib-2.0,ticonv
Requires.private: libarchive
Libs: -L${libdir} -ltifiles2
Cflags: -I${includedir}/tilp2
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