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# ============================================================================
# https://www.gnu.org/software/autoconf-archive/ax_cxx_member_constants.html
# ============================================================================
#
# SYNOPSIS
#
# AX_CXX_MEMBER_CONSTANTS
#
# DESCRIPTION
#
# If the compiler supports member constants, define HAVE_MEMBER_CONSTANTS.
#
# 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 8
AU_ALIAS([AC_CXX_MEMBER_CONSTANTS], [AX_CXX_MEMBER_CONSTANTS])
AC_DEFUN([AX_CXX_MEMBER_CONSTANTS],
[AC_CACHE_CHECK(whether the compiler supports member constants,
ax_cv_cxx_member_constants,
[AC_LANG_PUSH([C++])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[class C {public: static const int i = 0;}; const int C::i;]],
[[return C::i;]])],
[ax_cv_cxx_member_constants=yes], [ax_cv_cxx_member_constants=no])
AC_LANG_POP([C++])
])
if test "$ax_cv_cxx_member_constants" = yes; then
AC_DEFINE(HAVE_MEMBER_CONSTANTS,,[define if the compiler supports member constants])
fi
])
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