Update ABC to hg rev cd6984ee82d4

diff --git a/Makefile b/Makefile
index 822d6cd09ed13600d6880fec6d554da4a9520a83..49ac1e885eb2c0d6974d5ebb08f952bcf06d8a76 100644 (file)
--- 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.