AC_CXX_MEMBER_TEMPLATES
, 
, 

2004-02-04

Todd Veldhuizen Luc Maisonobe <luc@spaceroots.org>

AllPermissive
Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved. Users of this software should generally follow the principles of the MIT License includings its disclaimer.

cryp.to ac-archive's C++ Support (released)

If the compiler supports member templates, define HAVE_MEMBER_TEMPLATES.

AC_DEFUN([AC_CXX_MEMBER_TEMPLATES],
[AC_CACHE_CHECK(whether the compiler supports member templates,
ac_cv_cxx_member_templates,
[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) { return A<T,N>(); }
};],[A<double,4> x; A<double,7> y; x = y; return 0;],
 ac_cv_cxx_member_templates=yes, ac_cv_cxx_member_templates=no)
 AC_LANG_RESTORE
])
if test "$ac_cv_cxx_member_templates" = yes; then
  AC_DEFINE(HAVE_MEMBER_TEMPLATES,,[define if the compiler supports member templates])
fi
])