I can't give any specific advice about this, other than that your
system version of gcc seems to be an as-yet unreleased version that
might be buggier than the stable 4.7 or 4.8 series.
On Mon, Jul 22, 2013 at 11:24 PM, ASageWoodpecker <reply....@gmail.com> wrote:
> Hi again,
>
> I got this error when sage was building mathplotlib recursively as part of
> its own build. It may be an error specific to my system of my version of gcc
> (4.9.0 20130317 (experimental)). But if anyone has insights on this error,
> I'd greatly appreciate it. I haven't run into internal compiler errors before
> and don't have much experience troubleshooting them.
>
> -------
> In file included from agg24/include/agg_vertex_sequence.h:23:0,
> from agg24/include/agg_math_stroke.h:24,
> from agg24/include/agg_vcgen_contour.h:19,
> from agg24/src/agg_vcgen_contour.cpp:21:
> agg24/include/agg_array.h:332:29: internal compiler error: unexpected
> expression ‘S’ of kind template_parm_index
> block_size = 1 << block_shift,
> ^
>
> agg24/include/agg_array.h:332:29: internal compiler error: Abort trap: 6
> gcc: internal compiler error: Abort trap: 6 (program cc1plus)
> error: command 'gcc' terminated by signal 6
> Error building matplotlib package.
>
> ---
>
> Here's the snippet of C++ code that I plucked out of the file that triggered
> the error in gcc.
>
> ---
> template<class T, unsigned S=6> class pod_bvector
> {
> public:
> enum block_scale_e
> {
> block_shift = S,
> block_size = 1 << block_shift,
> block_mask = block_size - 1
> };
>
> typedef T value_type;
> ---
>
> Thanks,
> Anton
>
> On Tuesday, July 23, 2013, ASageWoodpecker wrote:
>> Thanks Robert. I did download the source as a fallback.
>>
>> But I also made a small change to my build process. I created my DOT_SAGE
>> directory and removed the bottleneck to download the necessary packages from
>> sagemath.org. I'd have imagined that with the user-level permissions, the
>> install script would create the DOT_SAGE directory if it didn't exist.
>> Instead a particular step exited with a non-zero status and blocked the
>> entire install script.
>>
>> I'm now able to download packages automatically and compile the source that
>> I checked out from the repo.
>>
>> -Anton
>>
>
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