/usr/lib/x86_64-linux-gnu/pkgconfig/tinfo.pc is in libtinfo-dev 5.9+20140913-1+deb8u3.
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 13 14 15 | prefix=/usr
exec_prefix=${prefix}
libdir=/usr/lib/x86_64-linux-gnu
includedir=${prefix}/include/ncursesw
major_version=5
version=5.9.20140913
Name: tinfo
Description: ncurses 5.9 terminal interface library
Version: ${version}
URL: http://invisible-island.net/ncurses
Requires.private:
Libs: -L${libdir} -ltinfo
Libs.private:
Cflags: -I${includedir}
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