/usr/lib/x86_64-linux-gnu/pkgconfig/libssh.pc is in libssh-dev 0.6.1-0ubuntu3.
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 | Name: libssh
Description: The SSH Library
Version: 0.6.1
Libs: -L/usr/lib/x86_64-linux-gnu -lssh
Cflags: -I/usr/include
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