Macro: ac_cxx_function_nontype_parameters

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# ac_cxx_function_nontype_parameters

## Synopsis

`AC_CXX_FUNCTION_NONTYPE_PARAMETERS`

## Version

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

## Author

Luc Maisonobe

## Description

If the compiler supports function templates with non-type parameters, define HAVE_FUNCTION_NONTYPE_PARAMETERS.

## M4 Source Code

    AC_DEFUN([AC_CXX_FUNCTION_NONTYPE_PARAMETERS],
    [AC_CACHE_CHECK(whether the compiler supports function templates with non-type parameters,
    ac_cv_cxx_function_nontype_parameters,
    [AC_LANG_SAVE
     AC_LANG_CPLUSPLUS
     AC_TRY_COMPILE([
    template<class T, int N> class A {};
    template<class T, int N> int f(const A<T,N>& x) { return 0; }
    ],[A<double, 17> z; return f(z);],
     ac_cv_cxx_function_nontype_parameters=yes, ac_cv_cxx_function_nontype_parameters=no)
     AC_LANG_RESTORE
    ])
    if test "$ac_cv_cxx_function_nontype_parameters" = yes; then
      AC_DEFINE(HAVE_FUNCTION_NONTYPE_PARAMETERS,,
                [define if the compiler supports function templates with non-type parameters])
    fi
    ])