/usr/lib/x86_64-linux-gnu/pkgconfig/libnfc.pc is in libnfc-dev 1.7.1-4build1.
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=${prefix}/include
Name: libnfc
Description: Near Field Communication (NFC) library
Version: 1.7.1
Requires: libusb
Libs: -L${libdir} -lnfc
Cflags: -I${includedir}
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