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# ===========================================================================
# http://autoconf-archive.cryp.to/ac_cxx_exceptions.html
# ===========================================================================
#
# SYNOPSIS
#
# AC_CXX_EXCEPTIONS
#
# DESCRIPTION
#
# If the C++ compiler supports exceptions handling (try, throw and catch),
# define HAVE_EXCEPTIONS.
#
# 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.
AC_DEFUN([AC_CXX_EXCEPTIONS],
[AC_CACHE_CHECK(whether the compiler supports exceptions,
ac_cv_cxx_exceptions,
[AC_LANG_SAVE
AC_LANG_CPLUSPLUS
AC_TRY_COMPILE(,[try { throw 1; } catch (int i) { return i; }],
ac_cv_cxx_exceptions=yes, ac_cv_cxx_exceptions=no)
AC_LANG_RESTORE
])
if test "$ac_cv_cxx_exceptions" = yes; then
AC_DEFINE(HAVE_EXCEPTIONS,,[define if the compiler supports exceptions])
fi
])
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