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dnl -*- shell-script -*-
dnl
dnl Copyright (c) 2001-2002 The Trustees of Indiana University.
dnl All rights reserved.
dnl Copyright (c) 1998-2001 University of Notre Dame.
dnl All rights reserved.
dnl Copyright (c) 1994-1998 The Ohio State University.
dnl All rights reserved.
dnl
dnl This file is part of the LAM/MPI software package. For license
dnl information, see the LICENSE file in the top level directory of the
dnl LAM/MPI source distribution.
dnl
dnl $Id: cxx_have_nothrow_new.m4,v 1.5 2003/02/04 17:47:20 jsquyres Exp $
dnl
define([LAM_CXX_HAVE_NOTHROW_NEW],[
#
# Arguments: None
#
# Depdendencies: None
#
# Check to see if the C++ compiler has std::nothrow support for new
# and new[]
#
# Defines LAM_CXX_NOTHROW_NEW_ARG to be either "(std::nothrow)" or ""
# Defines LAM_CXX_NOTHROW_NEW to be either 1 or 0
# Sets LAM_CXX_NOTHROW_NEW to be 1 or 0
#
# Do the rest
if test "$?CXXFLAGS" = 0; then
CXXFLAGS=""
fi
AC_MSG_CHECKING([whether $CXX has new(std::nothrow)])
rm -f conftest.cc conftest.o
cat > conftest.cc <<EOF
#include <new>
int main(int argc, char* argv[]) {
int *baz;
unsigned int foo = 3;
baz = new(std::nothrow) int;
baz = new(std::nothrow) int[[foo - 1]];
}
EOF
echo configure:__oline__: $CXX $CXXFLAGS conftest.cc -o conftest >&5
$CXX $CXXFLAGS conftest.cc -o conftest >&5 2>&5
if test -f conftest; then
lsc_result=1
lsc_define="(std::nothrow)"
AC_MSG_RESULT([yes])
else
echo configure:__oline__: here is the program that failed: >&5
cat conftest.cc >&5
lsc_result=0
lsc_define=""
AC_MSG_RESULT([no])
fi
# Set the result
LAM_CXX_NOTHROW_NEW="$lsc_result"
AC_DEFINE_UNQUOTED(LAM_CXX_NOTHROW_NEW, $lsc_result,
[Whether we have nothrow::new or not])
AC_DEFINE_UNQUOTED(LAM_CXX_NOTHROW_NEW_ARG, $lsc_define,
[Whether nothrow::new requires an argument or not])
# Clean up
rm -f conftest*
unset lsc_result lsc_define])dnl
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