dev-libs/leveldb requires [optional] app-arch/snappy dependence. It linking with snappy if snappy installed. Found looking into sys-cluster/ceph 0.59 - it use system leveldb and just check snappy for it, but if snappy is not installed before - leveldb will be installed too, but without snappy linkage. According to maintainer's look, it may be useflag or hard dependence, but IMHO need to be fixed. It easy to check by "emerge leveldb|grep -i snappy" with and without app-arch/snappy. Reproducible: Always
We'll have to wait on #463308 for this, but I think it's easiest as an unconditional dep Thanks for finding this little bonus feature :)
+ 26 Mar 2013; Patrick Lauer <patrick@gentoo.org> +leveldb-1.9.0-r3.ebuild, + -leveldb-1.9.0-r1.ebuild, -leveldb-1.9.0-r2.ebuild: + Adding snappy dep #463218 Oh, that was fast :)