File baselibs.conf of Package armadillo.openSUSE_Leap_42.1_Update
libarmadillo5 armadillo-devel requires -armadillo-<targettype> requires "libarmadillo5-<targettype> = <version>"
libarmadillo5 armadillo-devel requires -armadillo-<targettype> requires "libarmadillo5-<targettype> = <version>"