blob: 989ad80696a3139ca1152301bd539ae3d92b3643 [file] [log] [blame] [edit]
# 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
])