[build] Add build check for ::arc4random().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156236 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 1 deletions

diff --git a/configure b/configure
index 60e839f5c3..bc4c98449d 100755
--- a/configure
+++ b/configure
@@ -17522,7 +17522,8 @@ done
 
 
 
-for ac_func in strerror strerror_r setenv
+
+for ac_func in strerror strerror_r setenv arc4random
 do
 as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
 { echo "$as_me:$LINENO: checking for $ac_func" >&5