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Re: 3.1.52 fails to build in hppa/linux


From: Jaroslav Hajek
Subject: Re: 3.1.52 fails to build in hppa/linux
Date: Sun, 22 Feb 2009 21:14:28 +0100

On Sun, Feb 22, 2009 at 8:32 PM, Marco Atzeri <address@hidden> wrote:
>
> --- Dom 22/2/09, Jaroslav Hajek  ha scritto:
>
>> Da: Jaroslav Hajek
>> Oggetto: Re: 3.1.52 fails to build in hppa/linux
>> A: address@hidden
>> Data: Domenica 22 febbraio 2009, 19:40
>> On Sun, Feb 22, 2009 at 5:21 PM, Rafael Laboissiere
>>  wrote:
>> > * Jaroslav Hajek  [2009-02-22
>> 16:41]:
>> >
>> >> On Sun, Feb 22, 2009 at 4:08 PM, Rafael
>> Laboissiere  wrote:
>> >> > A bug report has been filed against the
>> octave3.1 in Debian regarding the
>> >> > failure to build the package on the hppa
>> architecture.  You will find the
>> >> > complete bug report in
>> http://bugs.debian.org/516588, including a link to
>> >> > the full build log.  In sum, it fails with
>> errors like this:
>> >> >
>> >> > g++ -c  -fPIC -I. -I.. -I../liboctave
>> -I../src -I../libcruft/misc -DHAVE_CONFIG_H
>> -I/usr/include/freetype2 -Wall -W -Wshadow -Wold-style-cast
>> -O2 -g oct-inttypes.cc -o pic/oct-inttypes.o
>> >> > oct-inttypes.cc:511: error: ambiguous
>> template specialization
>> 'mop<octave_int_cmp_op::lt>' for 'bool
>> octave_int_cmp_op::mop(double, int64_t)'
>> >> >
>> >> > Any ideas?
>> >> >
>> >> > --
>> >> > Rafael
> [cut]
>> >
>> > --
>> > Rafael
>> >
>>
>> Rafael,
>>
>> can you try compiling (no need to link) the following test
>> code? It
>> should be a simple instance of the same issue.
>>
>> class A {};
>>
>> template <class X, class T> void method (double u, T
>> v);
>>
>> template <class X> void method (double u, long v);
>>
>> int main ()
>> {
>>   double u; long v;
>>   method<A> (u, v);
>> }
>>
>> If you get a failure, then you have a buggy gcc.
>>
>> --
>> RNDr. Jaroslav Hajek
>
> Hi Jaroslav,
> your test compile fine on cygwin with gcc-4.4.3.
>
> I suspect it is more an issue around int64_t and uint64_t
> as all the errors go in couple:
>
> ../../octave_local/liboctave/oct-inttypes.cc:514: error: ambiguous template 
> specialization 'mop<octave_int_cmp_op::ge>' for 'bool 
> octave_int_cmp_op::mop(int64_t, double)'
> ../../octave_local/liboctave/oct-inttypes.cc:514: error: ambiguous template 
> specialization 'mop<octave_int_cmp_op::ge>' for 'bool 
> octave_int_cmp_op::mop(uint64_t, double)'
>
> Regards
> Marco
>
>
>      Passa a Yahoo! Mail.
>
> La webmail che ti offre GRATIS spazio illimitato,
> antispam e messenger integrato.
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>

I see; it's probably a different issue, then. I suspect it only
happens on those architectures where long double is equal to double,
right? I'll try to investigate this.

-- 
RNDr. Jaroslav Hajek
computing expert
Aeronautical Research and Test Institute (VZLU)
Prague, Czech Republic
url: www.highegg.matfyz.cz


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