check-reqs.eclass: Sanitize MERGE_TYPE for EAPI < 4

Signed-off-by: Justin Lecher <jlec@gentoo.org>

diff --git a/eclass/check-reqs.eclass b/eclass/check-reqs.eclass
index e16e7c43f76f9dfd109e9fbd093a05b264e5f129..0b66f5459ef8043347758556af03cc81cb38b45a 100644 (file)
--- a/eclass/check-reqs.eclass
+++ b/eclass/check-reqs.eclass
@@ -136,6 +136,8 @@ check-reqs_run() {
        # some people are *censored*
        unset CHECKREQS_FAILED
 
+       [[ ${EAPI:-0} == [0123] ]] && local MERGE_TYPE=""
+
        # use != in test, because MERGE_TYPE only exists in EAPI 4 and later
        if [[ ${MERGE_TYPE} != binary ]]; then
                [[ -n ${CHECKREQS_MEMORY} ]] && \