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# ===============================================================================
# http://www.nongnu.org/autoconf-archive/ax_cxx_full_specialization_syntax.html
# ===============================================================================
#
# SYNOPSIS
#
# AX_CXX_FULL_SPECIALIZATION_SYNTAX
#
# DESCRIPTION
#
# If the compiler recognizes the full specialization syntax, define
# HAVE_FULL_SPECIALIZATION_SYNTAX.
#
# 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.
AU_ALIAS([AC_CXX_FULL_SPECIALIZATION_SYNTAX], [AX_CXX_FULL_SPECIALIZATION_SYNTAX])
AC_DEFUN([AX_CXX_FULL_SPECIALIZATION_SYNTAX],
[AC_CACHE_CHECK(whether the compiler recognizes the full specialization syntax,
ax_cv_cxx_full_specialization_syntax,
[AC_LANG_SAVE
AC_LANG_CPLUSPLUS
AC_TRY_COMPILE([
template<class T> class A { public : int f () const { return 1; } };
template<> class A<float> { public: int f () const { return 0; } };],[
A<float> a; return a.f();],
ax_cv_cxx_full_specialization_syntax=yes, ax_cv_cxx_full_specialization_syntax=no)
AC_LANG_RESTORE
])
if test "$ax_cv_cxx_full_specialization_syntax" = yes; then
AC_DEFINE(HAVE_FULL_SPECIALIZATION_SYNTAX,,
[define if the compiler recognizes the full specialization syntax])
fi
])
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