/usr/share/aclocal/ax_cxx_templates_as_template_arguments.m4 is in autoconf-archive 20140228-1.1.
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# http://www.gnu.org/software/autoconf-archive/ax_cxx_templates_as_template_arguments.html
# ==========================================================================================
#
# SYNOPSIS
#
# AX_CXX_TEMPLATES_AS_TEMPLATE_ARGUMENTS
#
# DESCRIPTION
#
# If the compiler supports templates as template arguments, define
# HAVE_TEMPLATES_AS_TEMPLATE_ARGUMENTS.
#
# LICENSE
#
# Copyright (c) 2008 Todd Veldhuizen
# Copyright (c) 2008 Luc Maisonobe <luc@spaceroots.org>
#
# 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. This file is offered as-is, without any
# warranty.
#serial 6
AU_ALIAS([AC_CXX_TEMPLATES_AS_TEMPLATE_ARGUMENTS], [AX_CXX_TEMPLATES_AS_TEMPLATE_ARGUMENTS])
AC_DEFUN([AX_CXX_TEMPLATES_AS_TEMPLATE_ARGUMENTS],
[AC_CACHE_CHECK(whether the compiler supports templates as template arguments,
ax_cv_cxx_templates_as_template_arguments,
[AC_LANG_SAVE
AC_LANG_CPLUSPLUS
AC_TRY_COMPILE([
template<class T> class allocator { public : allocator() {}; };
template<class X, template<class Y> class T_alloc>
class A { public : A() {} private : T_alloc<X> alloc_; };
],[A<double, allocator> x; return 0;],
ax_cv_cxx_templates_as_template_arguments=yes, ax_cv_cxx_templates_as_template_arguments=no)
AC_LANG_RESTORE
])
if test "$ax_cv_cxx_templates_as_template_arguments" = yes; then
AC_DEFINE(HAVE_TEMPLATES_AS_TEMPLATE_ARGUMENTS,,
[define if the compiler supports templates as template arguments])
fi
])
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