fix non-PCH build after latest change

[wxWidgets.git] / acinclude.m4

diff --git a/acinclude.m4 b/acinclude.m4
index 6a27a120d7f9dfe11859a5bf771c14eb38d943bf..4c86f58ec728b9eb936478ebb1f11c1056423ad8 100644 (file)
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -132,7 +132,7 @@ AC_DEFUN([WX_CPP_NEW_HEADERS],
     AC_LANG_SAVE
     AC_LANG_CPLUSPLUS
 
-    AC_CHECK_HEADERS(iostream)
+    AC_CHECK_HEADER(iostream,,, [ ])
 
     if test "$ac_cv_header_iostream" = "yes" ; then
       ifelse([$1], , :, [$1])