1 files changed, 3 insertions, 1 deletions
diff --git a/aclocal.m4 b/aclocal.m4
index f5b577e..f6571f5 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -11,8 +11,9 @@ dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 dnl PARTICULAR PURPOSE.
 
 AC_DEFUN(DJ_AC_STL, [
-AC_MSG_CHECKING(for for STL versions)
+AC_MSG_CHECKING(for STL versions)
 AC_CACHE_VAL(ac_cv_stl,[
+  AC_LANG_CPLUSPLUS
   AC_TRY_COMPILE([#include <iostream>], [
   using namespace std;
   char bbuuff[5120];
@@ -23,6 +24,7 @@ AC_CACHE_VAL(ac_cv_stl,[
   ),
 ])
 
+AC_LANG_C
 if test x"${ac_cv_stl}" != x"v2" ; then  
   AC_MSG_RESULT(v3)
   AC_DEFINE(HAVE_STL3)