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AC_CXX_TEMPLATES
1.2 (2004/02/15) 0.5.57 : C++_Support
Todd Veldhuizen and Luc Maisonobe <luc@spaceroots.org>
If the compiler supports basic templates, define HAVE_TEMPLATES.
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
])