/usr/lib/pkgconfig/libelemental.pc is in libelemental-dev 1.2.0-7ubuntu1.
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 | prefix=/usr
exec_prefix=${prefix}
libdir=${exec_prefix}/lib
includedir=${prefix}/include
Name: libelemental
Description: A periodic table library with detailed information on elements.
URL: http://www.kdau.com/projects/gelemental/
Version: 1.2.0
Requires: glibmm-2.4 >= 2.6.0 pango
Libs: -L${libdir} -lelemental
Cflags: -I${includedir}
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