/usr/lib/pkgconfig/tre.pc is in libtre-dev 0.8.0-2.
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 | prefix=/usr
exec_prefix=${prefix}
libdir=${exec_prefix}/lib
includedir=${prefix}/include
Name: TRE
Description: TRE regexp matching library
Version: 0.8.0
Libs: -L${libdir} -ltre -Wl,-Bsymbolic-functions
Cflags: -I${includedir}
|