File baselibs.conf of Package libpng17

libpng17-17
 obsoletes "libpng-<targettype> < <version>"
 provides "libpng-<targettype> = <version>"
libpng17-devel
 requires -libpng17-<targettype>
 requires "libpng17-17-<targettype> = <version>"
libpng17-compat-devel
 requires -libpng17-compat-<targettype>
 requires "libpng17-devel-<targettype> = <version>"
 conflicts "libpng-devel-<targettype>"
 provides "libpng-devel-<targettype>"