/usr/lib/x86_64-linux-gnu/pkgconfig/hkl.pc is in libhkl-dev 5.0.0.2173-2.
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 13 | prefix=/usr
exec_prefix=${prefix}
libdir=${prefix}/lib/x86_64-linux-gnu
includedir=${prefix}/include
Name: hkl
Description: Library for hkl Diffractometer computation
Version: 5.0.0.0
URL: http://repo.or.cz/w/hkl.git
Requires: gsl glib-2.0
Libs: -L${libdir} -lhkl
Libs.private: -lm
Cflags: -I${includedir}/hkl-5
|