/usr/lib/pkgconfig/gts.pc is in libgts-dev 0.7.6+darcs110121-1.1build1.
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=${prefix}
libdir=${exec_prefix}/lib
includedir=${prefix}/include
Name: GTS
Description: GNU Triangulated Surface Library
Version: 0.7.6
Requires: glib-2.0,gthread-2.0,gmodule-2.0
Libs: -L${libdir} -lgts -lm
Cflags: -I${includedir}
|