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dnl AX_CHECK_SSTREAM - check if local sstream is needed to compile OK AC_DEFUN([AX_CHECK_SSTREAM], [ AC_MSG_CHECKING([whether to use included sstream]) AC_TRY_COMPILE([#include <sstream>], [], AC_MSG_RESULT([no]);, AC_MSG_RESULT([yes]); OP_CXXFLAGS="$OP_CXXFLAGS -I\${top_srcdir}/include") ] ) |