#18240: fix MPIR's compliance with c++
-------------------------------------+-------------------------------------
Reporter: dimpase | Owner:
Type: defect | Status: needs_review
Priority: major | Milestone: sage-6.7
Component: packages: | Resolution:
standard | Merged in:
Keywords: | Reviewers:
Authors: Dima Pasechnik | Work issues:
Report Upstream: Reported | Commit:
upstream. Developers acknowledge | d358636766bf0abae69bb07f154053180bd14a8a
bug. | Stopgaps:
Branch: u/dimpase/18240 |
Dependencies: |
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Comment (by leif):
Oh, this is weird:
While with the patches to MPIR 4ti2-1.6.2 now "finds" GMP (i.e., MPIR), it
doesn't build for me (on Sage 6.6) with GCC 4.8.4 nor 4.9.2, but 5.0.1
(RC1).
In the failing builds, GCC complains about
{{{
../../src/groebner/VectorArrayAPI.h:144:1: error: redefinition of 'static
void _4ti2_::VectorArrayAPI::convert(const T1&, T2&) [with T1 =
__gmp_expr<__mpz_struct [1], __mpz_struct [1]>; T2 = long int]'
VectorArrayAPI::convert(const mpz_class& v1, _4ti2_int64_t& v2)
^
../../src/groebner/VectorArrayAPI.h:130:1: error: 'static void
_4ti2_::VectorArrayAPI::convert(const T1&, T2&) [with T1 =
__gmp_expr<__mpz_struct [1], __mpz_struct [1]>; T2 = long int]' previously
declared here
VectorArrayAPI::convert(const mpz_class& v1, long int& v2)
^
}}}
multiple times, where apparently only the last is fatal (= not ignored
through Make rules); after the first error other things get built and
installed.
This '''might''' be related to MPIR as well, but I'm not sure, and I guess
you also tested with GCC 4.9.2, so I'm a bit puzzled.
--
Ticket URL: <http://trac.sagemath.org/ticket/18240#comment:14>
Sage <http://www.sagemath.org>
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