--- /usr/portage/eclass/multilib-build.eclass	2016-07-09 17:45:52.289876627 +0200
+++ /usr/portage/eclass/multilib-build.eclass	2016-07-09 17:46:03.139876647 +0200
@@ -417,6 +417,12 @@
 
 		local dir=${f%/*}
 		local fn=${f##*/}
+		local EXEEXT
+
+		if [ -f "${WORKDIR}/${P}-.default/config.log" ] ; then
+			eval $(grep "^EXEEXT=" "${WORKDIR}/${P}-.default/config.log")
+			f="${f}${EXEEXT}"
+		fi
 
 		if [[ -L ${root}/${f} ]]; then
 			# rewrite the symlink target