Note that rpmlint's warning about empty files are correct, bit it's
too dangerous to remove them.
# rpmlint -v free-solid-devel-2.1.1-1.fc16.i686.rpm
free-solid-devel.i686: I: checking
free-solid-devel.i686: I: checking-url http://sourceforge.net/projects/freesolid/ (timeout 10 seconds)
free-solid-devel.i686: E: zero-length /usr/include/FreeSOLID/MT_Point.h
free-solid-devel.i686: E: info-files-without-install-info-postin /usr/share/info/solid2.info.gz
free-solid-devel.i686: E: info-files-without-install-info-postun /usr/share/info/solid2.info.gz
free-solid-devel.i686: W: no-manual-page-for-binary freesolid-config
1 packages and 0 specfiles checked; 3 errors, 1 warnings.