diff --git a/postfix/makedefs b/postfix/makedefs
index 169a054c6..15edabcd1 100644
--- a/postfix/makedefs
+++ b/postfix/makedefs
@@ -462,10 +462,12 @@ ReliantUNIX-?.5.43) SYSTYPE=ReliantUnix543
 		: ${CC=cc}
 		CCARGS="$CCARGS \$(WARN)"
 		# Darwin > 1.3 uses awk and flat_namespace
+		# MacOS X 10.8.x (Darwin 12.x) needs libresolv, likely much
+		# older earlier also, but I don't have access to test systems.
 		case $RELEASE in
 		 1.[0-3]) AWK=gawk;;
-		       *) AWK=awk
-			  SYSLIBS=-flat_namespace;;
+		 ?.*|1[0-1].*) AWK=awk; SYSLIBS="-flat_namespace";;
+	         *) AWK=awk; SYSLIBS="-lresolv -flat_namespace";;
 		esac
 		# Darwin 7 adds IPv6 support, BIND_8_COMPAT, NO_NETINFO
 		case $RELEASE in