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