Re: 3.1.52 fails to build in hppa/linux

[Marco Atzeri]

--- Lun 23/2/09, John W. Eaton  ha scritto:

> Da: John W. Eaton 
> Oggetto: Re: 3.1.52 fails to build in hppa/linux
> A: address@hidden
> Cc: "Jaroslav Hajek" , address@hidden
> Data: Lunedì 23 febbraio 2009, 02:02
> On 22-Feb-2009, Marco Atzeri wrote:
> 
> | 
> | --- Dom 22/2/09, Jaroslav Hajek  ha scritto:
> | 
> | > >> And is OCTAVE_INT_USE_LONG_DOUBLE defined
> in
> | > config.h? Do
> | > >> you get the
> | > >> same error as Rafael? You see, lines 511
> and 514
> | > in
> | > >> oct-inttypes.cc
> | > >> are inside an #ifdef
> OCTAVE_INT_USE_LONG_DOUBLE
> | > block.
> | > >>
> | > >>
> | > >>
> | > >> --
> | > >> RNDr. Jaroslav Hajek
> | > >
> | > > OCTAVE_INT_USE_LONG_DOUBLE is defined
> | > >
> | > > same errors from 511 to 516
> | > >
> | > > Regards
> | > > Marco
> | > 
> | > Whoa, that's wicked. Those lines should not even
> be
> | > compiled, then (I
> | > meant, of course, ifndef block in the previous
> message).
> | > Can you maybe
> | > try posting just the preprocessor output?
> | > 
> | > The easiest way to get it is to cd to liboctave/, do
> | > make pic/oct-inttypes.o
> | > 
> | > then copy the command shown to compile, but replace
> | > "-c" by "-E" and
> | > redirect -o to a suitable file. It will be probably
> too
> | > large to post
> | > it on the mailing list.
> | 
> | uploaded on
> | http://matzeri.altervista.org/octave/
> | 
> | gcc -E output    oct-inttypes.E
> | gcc -c logs      oct-inttypes.log-20090222-202140
> | full command     oct_int.sh 
> 
> Does the attached change avoid the problem for you?  It
> allows me to
> build Octave with GCC and OCTAVE_INT_USE_LONG_DOUBLE
> undefined.  So
> maybe this is a GCC bug because I didn't change any
> code, I just moved
> some function definitions to a header file.  But I did
> remove some
> explicit instantiations, and I'm not sure I fully
> understand the rules
> for instantiating templates, especially when some are
> explicitly
> instantiated and some are not (at least I think that is
> true for the
> classes defined in oct-inttypes.{h,cc}).
> 
> I also don't see how these lines could be compiled if
> OCTAVE_INT_USE_LONG_DOUBLE is defined.
> 
> The lines to define it in config.h are
> 
>   #if (SIZEOF_LONG_DOUBLE >= 10) && defined
> (HAVE_ROUNDL)
>   #define OCTAVE_INT_USE_LONG_DOUBLE
>   #endif
> 
> I think you already said SIZEOF_LONG_DOUBLE is 12.  Is
> HAVE_ROUNDL
> defined on your system?
> 
> jwe
> 

John,
I am stupid, I used grep to find 
#define OCTAVE_INT_USE_LONG_DOUBLE

and have not checked the line arounds.
HAVE_ROUNDL is not defined 

so also OCTAVE_INT_USE_LONG_DOUBLE is not defined.

Marco



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