Macro: ac_cxx_member_templates_outside_class

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# ac_cxx_member_templates_outside_class

Synopsis

  `AC_CXX_MEMBER_TEMPLATES_OUTSIDE_CLASS`

Version

  1.1.1.1 (2001/07/26) C++_Support @ ac-archive-0.5.39

Author

  Luc Maisonobe

Description

  If the compiler supports member templates outside the class declaration, define HAVE_MEMBER_TEMPLATES_OUTSIDE_CLASS.

M4 Source Code

      AC_DEFUN([AC_CXX_MEMBER_TEMPLATES_OUTSIDE_CLASS],
      [AC_CACHE_CHECK(whether the compiler supports member templates outside the class declaration,
      ac_cv_cxx_member_templates_outside_class,
      [AC_LANG_SAVE
       AC_LANG_CPLUSPLUS
       AC_TRY_COMPILE([
      template<class T, int N> class A
      { public :
        template<int N2> A<T,N> operator=(const A<T,N2>& z);
      };
      template<class T, int N> template<int N2>
      A<T,N> A<T,N>::operator=(const A<T,N2>& z){ return A<T,N>(); }],[
      A<double,4> x; A<double,7> y; x = y; return 0;],
       ac_cv_cxx_member_templates_outside_class=yes, ac_cv_cxx_member_templates_outside_class=no)
       AC_LANG_RESTORE
      ])
      if test "$ac_cv_cxx_member_templates_outside_class" = yes; then
        AC_DEFINE(HAVE_MEMBER_TEMPLATES_OUTSIDE_CLASS,,
                  [define if the compiler supports member templates outside the class declaration])
      fi
      ])