[Octave-bug-tracker] [bug #54389] warnings when building on Solaris

[Rik]

Follow-up Comment #1, bug #54389 (project octave):

The first one seems like a problem with either gcc or cpp expansion.

In fpucw-wrappers.c the code is


void
octave_end_long_double_rounding (unsigned int oldcw)
{
  END_LONG_DOUBLE_ROUNDING ();
}


So the parameter oldcw isn't used per se.  But if you look at
gnulib/lib/fpucw.h there is a definition for END_LONG_DOUBLE_ROUNDING which
is


# define END_LONG_DOUBLE_ROUNDING() \
  SET_FPUCW (oldcw)


so oldcw is getting used.  Maybe the fact that SET_FPUCW is in turn a macro is
causing problems in that it isn't fully expanding all macros before passing
the results to gcc.



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