File baselibs.conf of Package blocxx
package libblocxx6 package libblocxx-devel +.*/lib(64)?/pkgconfig/*.pc requires -libblocxx-<targettype> requires "libblocxx6-<targettype> = <version>" obsoletes "blocxx-devel-<targettype> <= <version>" provides "blocxx-devel-<targettype> = <version>"