From 76c11d74546cc5521ffd10100db9141f22bb65db Mon Sep 17 00:00:00 2001
From: Clifford Wolf <clifford@clifford.at>
Date: Fri, 15 Sep 2017 21:25:59 +0200
Subject: [PATCH] Update ABC to hg rev cd6984ee82d4

---
 Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 822d6cd09..49ac1e885 100644
--- a/Makefile
+++ b/Makefile
@@ -99,10 +99,10 @@ OBJS = kernel/version_$(GIT_REV).o
 # is just a symlink to your actual ABC working directory, as 'make mrproper'
 # will remove the 'abc' directory and you do not want to accidentally
 # delete your work on ABC..
-ABCREV = efbf7f13ea9e
+ABCREV = cd6984ee82d4
 ABCPULL = 1
 ABCURL ?= https://bitbucket.org/alanmi/abc
-ABCMKARGS = CC="$(CXX)" CXX="$(CXX)"
+ABCMKARGS = CC="$(CXX)" CXX="$(CXX)" ABC_USE_LIBSTDCXX=1
 
 # set ABCEXTERNAL = <abc-command> to use an external ABC instance
 # Note: The in-tree ABC (yosys-abc) will not be installed when ABCEXTERNAL is set.
-- 
2.30.2