1 dnl Copyright (C) 2006-2022 CEA/DEN, EDF R&D
3 dnl This library is free software; you can redistribute it and/or
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11 dnl Lesser General Public License for more details.
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15 dnl Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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20 dnl @synopsis AC_CXX_USE_STD_IOSTREAM
21 dnl If the C++ library use std iostream
23 AC_DEFUN([AC_CXX_USE_STD_IOSTREAM],
26 AC_MSG_CHECKING(whether the compiler use std iostream)
28 cat > conftest.cxx <<EOF
30 int main(int argc, char **argv) {std::cout << "Hello" << std::endl; return 0;}
34 for ac_CXX_USE_STD_IOSTREAM in "" -D__USE_STD_IOSTREAM ; do
35 if $CXX ${ac_CXX_USE_STD_IOSTREAM} conftest.cxx > /dev/null 2>&1; then
36 CPPFLAGS="$CPPFLAGS ${ac_CXX_USE_STD_IOSTREAM}"
37 if test x${ac_CXX_USE_STD_IOSTREAM} = x; then
40 AC_MSG_RESULT(${ac_CXX_USE_STD_IOSTREAM})
46 if test $fUSE_STD_IOSTREAM = no; then