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[Octave-bug-tracker] [bug #55672] [octave forge] (control) undefined sym


From: Markus Mützel
Subject: [Octave-bug-tracker] [bug #55672] [octave forge] (control) undefined symbol: _Z11warning_msgPKcllPS0_l (development branch)
Date: Mon, 11 Feb 2019 17:33:22 -0500 (EST)
User-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:66.0) Gecko/20100101 Firefox/66.0

Follow-up Comment #8, bug #55672 (project octave):

I was thinking about doing something similar in the packages:

#if defined (OCTAVE_ENABLE_64)
#  define PKG_OCTAVE_IDX_TYPE_FORMAT PRId64
#else
#  define PKG_OCTAVE_IDX_TYPE_FORMAT PRId32
#endif


and using that macro.

But I now prefer your approach with C++ string streams. Only change maybe in
the last line to avoid possible issues if somehow a format specifier would
find its way into os:

  std::ostringstream os;
  os << name << ": the " << index << "-th argument had an invalid value";
  error ("%s", os.str ());


Also, if I remember correctly, gcc complained if a printf-style function was
called with a format string that it couldn't analyse at compile time.

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