Only use cxxabi.h's demangler, if it is actually available.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180684 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 1 insertions, 1 deletions

diff --git a/configure b/configure
index 26b612d279..4e146189e6 100755
--- a/configure
+++ b/configure
@@ -14868,7 +14868,7 @@ fi
 
 
 
-for ac_header in dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h
+for ac_header in cxxabi.h dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h
 do
 as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
 if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then