X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/2905865228930b085dd967276a8f4de9578f276d..0797198341a1753f7f03569f69e9abdd2fd2ed14:/m4/cxx.m4

diff --git a/m4/cxx.m4 b/m4/cxx.m4
index 1d17e836..4394b049 100644
--- a/m4/cxx.m4
+++ b/m4/cxx.m4
@@ -29,7 +29,8 @@ AC_DEFUN([BISON_TEST_FOR_WORKING_CXX_COMPILER],
       [AC_LANG_PROGRAM(
 	 [#include <iostream>
 	  using namespace std;],
-         [cout << "";])],
+         [std::cerr << "";
+          cout << "";])],
       [bison_cv_cxx_works=yes],
       [bison_cv_cxx_works=no],
       [bison_cv_cxx_works=cross])