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AC_CXX_DEFAULT_TEMPLATE_PARAMETERS
1.2 (2004/02/15) 0.5.63 : C++_Support
Todd Veldhuizen and Luc Maisonobe <luc@spaceroots.org>
AC_DEFUN([AC_CXX_DEFAULT_TEMPLATE_PARAMETERS], [AC_CACHE_CHECK(whether the compiler supports default template parameters, ac_cv_cxx_default_template_parameters, [AC_LANG_SAVE AC_LANG_CPLUSPLUS AC_TRY_COMPILE([ template<class T = double, int N = 10> class A {public: int f() {return 0;}}; ],[A<float> a; return a.f();], ac_cv_cxx_default_template_parameters=yes, ac_cv_cxx_default_template_parameters=no) AC_LANG_RESTORE ]) if test "$ac_cv_cxx_default_template_parameters" = yes; then AC_DEFINE(HAVE_DEFAULT_TEMPLATE_PARAMETERS,, [define if the compiler supports default template parameters]) fi ])