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# =============================================================================
# https://www.gnu.org/software/autoconf-archive/ax_cxx_cxxflags_std_lang.html
# =============================================================================
#
# SYNOPSIS
#
# AX_CXX_CXXFLAGS_STD_LANG(CXX-FLAGS)
#
# DESCRIPTION
#
# Append to variable CXX-FLAGS the set of compile-time flags that should
# be passed to the C++ compiler in order to enable use of C++ features as
# defined in the ANSI C++ standard (eg. use of standard iostream classes
# in the `std' namespace, etc.). Note that if you use GNU Libtool you may
# need to prefix each of those flags with `-Xcompiler' so that Libtool
# doesn't discard them (see Libtool's manual and `AC_LIBTOOLIZE_CFLAGS').
#
# LICENSE
#
# Copyright (c) 2008 Ludovic Courtes <ludo@chbouib.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_CXXFLAGS_STD_LANG], [AX_CXX_CXXFLAGS_STD_LANG])
AC_DEFUN([AX_CXX_CXXFLAGS_STD_LANG],
[AC_LANG_ASSERT([C++])
AC_REQUIRE([AX_COMPILER_VENDOR])
case "$ax_cv_cxx_compiler_vendor" in
sgi) $1="$$1 -LANG:std -exceptions";;
hp) $1="$$1 -AA";;
esac])
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