diff --git a/configure b/configure
index a3008ef..a0aae22 100755
--- a/configure
+++ b/configure
@@ -16306,7 +16306,8 @@
 
 
 
-for ac_func in chflags getrusage llseek lseek64 open64 fstat64 getmntinfo strtoull strcasecmp srandom fchown mallinfo fdatasync strnlen strptime sysconf pathconf posix_memalign memalign valloc __secure_getenv prctl
+
+for ac_func in chflags getrusage llseek lseek64 open64 fstat64 getmntinfo strtoull strcasecmp srandom jrand48 fchown mallinfo fdatasync strnlen strptime sysconf pathconf posix_memalign memalign valloc __secure_getenv prctl
 do
 as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
 { echo "$as_me:$LINENO: checking for $ac_func" >&5