/usr/lib/x86_64-linux-gnu/pkgconfig/libpcre.pc is in libpcre3-dev 1:8.31-2ubuntu2.2.
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 11 12 | # Package Information for pkg-config
prefix=/usr
exec_prefix=${prefix}
libdir=${prefix}/lib/x86_64-linux-gnu
includedir=${prefix}/include
Name: libpcre
Description: PCRE - Perl compatible regular expressions C library with 8 bit character support
Version: 8.31
Libs: -L${libdir} -lpcre
Cflags: -I${includedir}
|