/usr/lib/x86_64-linux-gnu/pkgconfig/linbox.pc is in liblinbox-dev 1.4.2-3.
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 13 14 | /------------------ linbox.pc ------------------------
prefix=/usr
exec_prefix=/usr
libdir=/usr/lib
includedir=/usr/include
Name: linbox
Description: Exact Linear Algebra library
URL: http://github.com/linbox-team/linbox
Version: 1.4.2
Requires: fflas-ffpack >= 2.2.2
Libs: -L${libdir} -llinbox-1.4.2 -llinboxsage-1.4.2 -lntl -lmpfr -liml
Cflags: -DDISABLE_COMMENTATOR -I${includedir}/linbox
\-------------------------------------------------------
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