eclass/cargo: ensure people have a good cargo depend

We need at least Cargo 0.13.0 to use the new bits in this eclass.

Signed-off-by: Doug Goldstein <cardoe@gentoo.org>

diff --git a/eclass/cargo.eclass b/eclass/cargo.eclass
index f2b2b12149d1f8c37f8fabab1db596940ef0c773..8089227a159feb515282dd365dcca20e633bbbd3 100644 (file)
--- a/eclass/cargo.eclass
+++ b/eclass/cargo.eclass
@@ -21,6 +21,8 @@ EXPORT_FUNCTIONS src_unpack src_compile src_install
 
 IUSE="${IUSE} debug"
 
+[[ ${CATEGORY}/${PN} != dev-util/cargo ]] && DEPEND=">=dev-util/cargo-0.13.0"
+
 ECARGO_HOME="${WORKDIR}/cargo_home"
 ECARGO_VENDOR="${ECARGO_HOME}/gentoo"