guile-cairo.ppc64le: W: explicit-lib-dependency libguile-cairo0
You must let rpm find the library dependencies by itself. Do not put unneeded
explicit Requires: tags.

guile-cairo.ppc64le: W: no-binary
The package should be of the noarch architecture because it doesn't contain
any binaries.

guile-cairo-devel.ppc64le: W: no-version-in-last-changelog
guile-cairo.ppc64le: W: no-version-in-last-changelog
guile-cairo.src: W: no-version-in-last-changelog
libguile-cairo0.ppc64le: W: no-version-in-last-changelog
The latest changelog entry doesn't contain a version. Please insert the
version that is coherent with the version of the package and rebuild it.

4 packages and 0 specfiles checked; 0 errors, 6 warnings.