diff --git a/common/autoconf/configure b/common/autoconf/configure
index 911351cb2915b34d479a944263952c13da805874..6bc421cf6f5b282b0b848e60a6acdb6e02abd2b0 100644
--- a/common/autoconf/configure
+++ b/common/autoconf/configure
@@ -28,8 +28,9 @@ if test "x$BASH_VERSION" = x; then
   exit 1
 fi
 
-# Force autoconf to use bash.
+# Force autoconf to use bash. This also means we must disable autoconf re-exec.
 export CONFIG_SHELL=$BASH
+export _as_can_reexec=no
 
 CONFIGURE_COMMAND_LINE="$@"
 conf_script_dir=`dirname $0`