Macro: ac_cxx_templates

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# ac_cxx_templates

## Synopsis

`AC_CXX_TEMPLATES`

## Version

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

## Author

Luc Maisonobe

## Description

If the compiler supports basic templates, define HAVE_TEMPLATES.

## M4 Source Code

    AC_DEFUN([AC_CXX_TEMPLATES],
    [AC_CACHE_CHECK(whether the compiler supports basic templates,
    ac_cv_cxx_templates,
    [AC_LANG_SAVE
     AC_LANG_CPLUSPLUS
     AC_TRY_COMPILE([template<class T> class A {public:A(){}};
    template<class T> void f(const A<T>& ){}],[
    A<double> d; A<int> i; f(d); f(i); return 0;],
     ac_cv_cxx_templates=yes, ac_cv_cxx_templates=no)
     AC_LANG_RESTORE
    ])
    if test "$ac_cv_cxx_templates" = yes; then
      AC_DEFINE(HAVE_TEMPLATES,,[define if the compiler supports basic templates])
    fi
    ])