github.com/jlmucb/cloudproxy@v0.0.0-20170830161738-b5aa0b619bc4/src/third_party/google-glog/m4/.svn/text-base/stl_namespace.m4.svn-base (about)

     1  # We check what namespace stl code like vector expects to be executed in
     2  
     3  AC_DEFUN([AC_CXX_STL_NAMESPACE],
     4    [AC_CACHE_CHECK(
     5        what namespace STL code is in,
     6        ac_cv_cxx_stl_namespace,
     7        [AC_REQUIRE([AC_CXX_NAMESPACES])
     8        AC_LANG_SAVE
     9        AC_LANG_CPLUSPLUS
    10        AC_TRY_COMPILE([#include <vector>],
    11                       [vector<int> t; return 0;],
    12                       ac_cv_cxx_stl_namespace=none)
    13        AC_TRY_COMPILE([#include <vector>],
    14                       [std::vector<int> t; return 0;],
    15                       ac_cv_cxx_stl_namespace=std)
    16        AC_LANG_RESTORE])
    17     if test "$ac_cv_cxx_stl_namespace" = none; then
    18        AC_DEFINE(STL_NAMESPACE,,
    19                  [the namespace where STL code like vector<> is defined])
    20     fi
    21     if test "$ac_cv_cxx_stl_namespace" = std; then
    22        AC_DEFINE(STL_NAMESPACE,std,
    23                  [the namespace where STL code like vector<> is defined])
    24     fi
    25  ])