From b8f05a854d889c39fa052cb1905c34721acf17dd Mon Sep 17 00:00:00 2001
From: Michael Gilroy <michael.gilroy24@gmail.com>
Date: Wed, 5 Jul 2017 05:36:12 +0000
Subject: exporting BUILD_DIR per implementation

---
 eclass/mpi-select-r1.eclass | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/eclass/mpi-select-r1.eclass b/eclass/mpi-select-r1.eclass
index b23c1c0..76a4c5b 100644
--- a/eclass/mpi-select-r1.eclass
+++ b/eclass/mpi-select-r1.eclass
@@ -6,6 +6,8 @@
 # Michael Gilroy <michael.gilroy24@gmail.com>
 # @BLURB: Allow mpi software to select mpi implementation of choice.
 
+inherit multilib
+
 EXPORT_FUNCTIONS src_configure src_compile src_test src_install
 
 case ${EAPI:-0} in
@@ -57,6 +59,8 @@ mpi_foreach_implementation()
 
 	local status=0
 
+	export BUILD_DIR="${PF}-${ABI}"
+
 	for implementation in "${@}"
 	do
 		# iterate through implementations, repeat same commands for each variant
-- 
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