Re: Compile errors among the buildbots

[John W. Eaton]

On 03/23/2018 04:40 PM, Rik wrote:
> All,
>
> There are some very nasty looking compile failures among the buildbots.  
> This is for gcc-5-debian:
>
> libtool: compile: g++-5 -std=gnu++11 -DHAVE_CONFIG_H -I. -I../src 
> -Iliboctave -I../src/liboctave -I../src/liboctave/array 
> -Iliboctave/numeric -I../src/liboctave/numeric -Iliboctave/operators 
> -I../src/liboctave/operators -I../src/liboctave/system 
> -I../src/liboctave/util -I../src/libinterp/octave-value -Ilibinterp 
> -I../src/libinterp -I../src/libinterp/operators -Ilibinterp/parse-tree 
> -I../src/libinterp/parse-tree -Ilibinterp/corefcn 
> -I../src/libinterp/corefcn -I../src/liboctave/wrappers 
> -I/usr/include/hdf5/serial -I/usr/include/GraphicsMagick 
> -I/usr/include/hdf5/serial -I/usr/lib/jvm/java-8-openjdk-amd64/include 
> -I/usr/lib/jvm/java-8-openjdk-amd64/include/linux -fPIC -pthread 
> -fopenmp -Wall -W -Wold-style-cast -Wformat -Wpointer-arith 
> -Wwrite-strings -Wcast-align -Wcast-qual -g -O2 -MT 
> libinterp/octave-value/libinterp_octave_value_liboctave_value_la-ov-classdef.lo 
> -MD -MP -MF 
> libinterp/octave-value/.deps/libinterp_octave_value_liboctave_value_la-ov-classdef.Tpo 
> -c ../src/libinterp/octave-value/ov-classdef.cc -fPIC -DPIC -o 
> libinterp/octave-value/.libs/libinterp_octave_value_liboctave_value_la-ov-classdef.o 
> ../../src/init2.c:52: MPFR assertion failed: p >= 2 && p <= 
> ((mpfr_prec_t)((mpfr_uprec_t)(~(mpfr_uprec_t)0)>>1)) In file included 
> from ../src/liboctave/array/MSparse.h:123:0, from 
> ../src/liboctave/array/MatrixType.h:29, from 
> ../src/liboctave/array/dMatrix.h:31, from 
> ../src/liboctave/array/Range.h:30, from 
> ../src/libinterp/octave-value/ov.h:36, from 
> ../src/libinterp/octave-value/ovl.h:36, from 
> ../src/libinterp/operators/op-scm-scm.cc:29: 
> ../src/liboctave/array/MSparse.cc: In function ‘MSparse<T> 
> quotient(const MSparse<T>&, const MSparse<T>&) [with T = 
> std::complex<double>]’: ../src/liboctave/array/MSparse.cc:478:1: 
> internal compiler error: Aborted quotient (const MSparse<T>& a, const 
> MSparse<T>& b) ^ Please submit a full bug report, with preprocessed 
> source if appropriate. See <file:///usr/share/doc/gcc-5/README.Bugs> for 
> instructions. Makefile:19486: recipe for target 
> 'libinterp/operators/libinterp_liboctinterp_la-op-scm-scm.lo' failed 
> make[2]: *** 
> [libinterp/operators/libinterp_liboctinterp_la-op-scm-scm.lo] Error 1 
> make[2]: *** Waiting for unfinished jobs.... This seems pretty recent. 
> Does anyone have a clue? --Rik

I just posted a message about it to this list.  It might be this bug:

  https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=888422

If so, I don't think it is something we can fix in Octave.

jwe