Per poppler's metadata.xml, the subslot reflects ABI compatibility of
libpoppler.so only, not libpoppler-{glib,qt4,cpp}.so.
Bug: https://bugs.gentoo.org/607908
Package-Manager: Portage-2.3.24, Repoman-2.3.6
SLOT="0"
IUSE=""
-RDEPEND="app-text/poppler:=[cairo]
+RDEPEND="app-text/poppler[cairo]
>=app-text/zathura-0.2.7
x11-libs/cairo:="
DEPEND="${RDEPEND}
SLOT="0"
IUSE=""
-RDEPEND="app-text/poppler:=[cairo]
+RDEPEND="app-text/poppler[cairo]
>=app-text/zathura-0.3.8
x11-libs/cairo:="
DEPEND="${RDEPEND}
SLOT="0"
IUSE=""
-RDEPEND="app-text/poppler:=[cairo]
+RDEPEND="app-text/poppler[cairo]
>=app-text/zathura-0.3.8
x11-libs/cairo:="
DEPEND="${RDEPEND}