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Re: no longer able to build default on MacOS X


From: Ben Abbott
Subject: Re: no longer able to build default on MacOS X
Date: Sat, 06 Feb 2016 20:27:17 -0500

> On Feb 6, 2016, at 7:57 PM, Ben Abbott <address@hidden> wrote:
> 
>> On Feb 6, 2016, at 6:02 PM, Ben Abbott <address@hidden> wrote:
>> 
>> My tip is 
>> 
>> $ hg tip
>> changeset:   21201:88b41a4711e2
>> bookmark:    @
>> tag:         tip
>> user:        Rik <address@hidden>
>> date:        Fri Feb 05 17:58:24 2016 -0800
>> summary:     maint: Correct names used in #ifdefs to prevent re-loading .h 
>> files.
>> 
>> The error message is …
>> 
>> CXX      liboctave/numeric/liboctave_numeric_libnumeric_la-sparse-qr.lo
>> In file included from liboctave/numeric/sparse-qr.cc:30:
>> In file included from ./liboctave/util/oct-sparse.h:77:
>> /sw/include/suitesparse/cs.h:422:14: warning: 'cs_ci_house' has C-linkage 
>> specified, but returns user-defined type 'cs_complex_t' (aka 
>> 'complex<double>') which is incompatible with C
>>     [-Wreturn-type-c-linkage]
>> cs_complex_t cs_ci_house (cs_complex_t *x, double *beta, int n) ;
>>            ^
>> /sw/include/suitesparse/cs.h:562:14: warning: 'cs_cl_house' has C-linkage 
>> specified, but returns user-defined type 'cs_complex_t' (aka 
>> 'complex<double>') which is incompatible with C
>>     [-Wreturn-type-c-linkage]
>> cs_complex_t cs_cl_house (cs_complex_t *x, double *beta, cs_long_t n) ;
>>            ^
>> liboctave/numeric/sparse-qr.cc:2190:15: error: use 'template' keyword to 
>> treat 'tall_solve' as a dependent template name
>> return rep->tall_solve<RHS_T, RET_T> (b, info);
>>             ^
>>             template 
>> liboctave/numeric/sparse-qr.cc:2198:15: error: use 'template' keyword to 
>> treat 'wide_solve' as a dependent template name
>> return rep->wide_solve<RHS_T, RET_T> (b, info);
>>             ^
>>             template 
>> 2 warnings and 2 errors generated.
>> 
>> I’ve deleted the files below from my build tree.
>> 
>>       libinterp/oct-conf.h
>>       libinterp/oct-conf-features.h
>> 
>> I suspect the problem was introduced by changeset 21186:7f35125714b4
>> 
>>      http://hg.savannah.gnu.org/hgweb/octave/rev/7f35125714b4
>> 
>> Ben
> 
> Opps. I forgot to mention Mac OS X used clang.
> 
> Apple LLVM version 7.0.2 (clang-700.1.81)
> Target: x86_64-apple-darwin14.5.0
> Thread model: posix
> 
> Ben

My understanding of clang/c++ is insufficient to know if this is appropirate, 
but after some googling and experimenting I found solution (?) that allows the 
default branch to finish building.

Ben

Attachment: sparse-qr.diff
Description: Binary data





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