Although perl-PDL BuildRequires: gsl-devel, gsl is not found and not used on ppc64, s390x and x86_64. This is at least partially caused by invalid output of the gsl-config script. Version-Release number of selected component (if applicable): perl-PDL-2.4.1-8
Fixed in gsl-1.5-2, perl-PDL-2.4.1-9.