| # We check what namespace stl code like vector expects to be executed in |
| |
| AC_DEFUN([AC_CXX_STL_NAMESPACE], |
| [AC_CACHE_CHECK( |
| what namespace STL code is in, |
| ac_cv_cxx_stl_namespace, |
| [AC_REQUIRE([AC_CXX_NAMESPACES]) |
| AC_LANG_SAVE |
| AC_LANG_CPLUSPLUS |
| AC_TRY_COMPILE([#include <vector>], |
| [vector<int> t; return 0;], |
| ac_cv_cxx_stl_namespace=none) |
| AC_TRY_COMPILE([#include <vector>], |
| [std::vector<int> t; return 0;], |
| ac_cv_cxx_stl_namespace=std) |
| AC_LANG_RESTORE]) |
| if test "$ac_cv_cxx_stl_namespace" = none; then |
| AC_DEFINE(STL_NAMESPACE,, |
| [the namespace where STL code like vector<> is defined]) |
| fi |
| if test "$ac_cv_cxx_stl_namespace" = std; then |
| AC_DEFINE(STL_NAMESPACE,std, |
| [the namespace where STL code like vector<> is defined]) |
| fi |
| ]) |
