Macro: ac_cxx_typename

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# ac_cxx_typename

## Synopsis

`AC_CXX_TYPENAME`

## Version

1.1.1.1 (2001/07/26) C++_Support @ ac-archive-0.5.32

## Author

Luc Maisonobe

## Description

If the compiler recognizes the typename keyword, define HAVE_TYPENAME.

## M4 Source Code

    AC_DEFUN([AC_CXX_TYPENAME],
    [AC_CACHE_CHECK(whether the compiler recognizes typename,
    ac_cv_cxx_typename,
    [AC_LANG_SAVE
     AC_LANG_CPLUSPLUS
     AC_TRY_COMPILE([template<typename T>class X {public:X(){}};],
    [X<float> z; return 0;],
     ac_cv_cxx_typename=yes, ac_cv_cxx_typename=no)
     AC_LANG_RESTORE
    ])
    if test "$ac_cv_cxx_typename" = yes; then
      AC_DEFINE(HAVE_TYPENAME,,[define if the compiler recognizes typename])
    fi
    ])