wcslib-dev 7.1+ds-2 (arm64 binary) in ubuntu focal

 WCSLIB is a C library, supplied with a full set of Fortran wrappers, that
 implements the "World Coordinate System" (WCS) standard in FITS (Flexible
 Image Transport System).
 .
 PGSBOX draws and labels a curvilinear coordinate grid. The caller
 must provide a separate external function, NLFUNC, to define the
 non-linear coordinate transformation.
 .
 This package contains the static libraries and the C header files.