/usr/lib/x86_64-linux-gnu/pkgconfig/dri.pc is in mesa-common-dev 8.0.2-0ubuntu3.
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=${prefix}
libdir=/usr/lib/x86_64-linux-gnu
includedir=/usr/include
dridriverdir=/usr/lib/x86_64-linux-gnu/dri
Name: dri
Description: Direct Rendering Infrastructure
Version: 8.0.0
Requires.private: libdrm >= 2.4.24
Cflags: -I${includedir}
|