[Bug target/63773] [meta-bug] Restoring darwin bootstrap for gcc 5.0

["fxcoudert at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63773

--- Comment #16 from Francois-Xavier Coudert <fxcoudert at gcc dot gnu.org> ---
(In reply to Iain Sandoe from comment #15)
> … the second issue - which is that we need a -B…. option for each library
> path that will be used for spec-substitution (.a for .dylib)

The necessary -B options are already in POSTSTAGE1_HOST_EXPORTS, through
POSTSTAGE1_CXX_EXPORT.


> I don't think we want to bootstrap libcc1 (that was what the patch was
> removing).
> 
> Probably the right example is gnattools - or something similar that only
> builds @stage#3.

I cannot find anything in the top-level Makefile that builds at stage3 and uses
POSTSTAGE1_HOST_EXPORTS, i.e. properly builds with the final compiler. Even
gnarls uses HOST_EXPORTS, so it would probably have similar problems. (Doesn't
it? I don't know cause I never build ada.)
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From: "iains at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/63773] [meta-bug] Restoring darwin bootstrap for gcc 5.0
Date: Tue, 11 Nov 2014 21:20:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63773

--- Comment #17 from Iain Sandoe <iains at gcc dot gnu.org> ---
(In reply to Francois-Xavier Coudert from comment #16)
> (In reply to Iain Sandoe from comment #15)
> > … the second issue - which is that we need a -B…. option for each library
> > path that will be used for spec-substitution (.a for .dylib)
> 
> The necessary -B options are already in POSTSTAGE1_HOST_EXPORTS, through
> POSTSTAGE1_CXX_EXPORT.

excellent.
Jakub asked Paulo on-list if there was a solution to ...

> > I don't think we want to bootstrap libcc1 (that was what the patch was
> > removing).
> > 
> > Probably the right example is gnattools - or something similar that only
> > builds @stage#3.
> 
> I cannot find anything in the top-level Makefile that builds at stage3 and
> uses POSTSTAGE1_HOST_EXPORTS, i.e. properly builds with the final compiler.
> Even gnarls uses HOST_EXPORTS, so it would probably have similar problems.
> (Doesn't it? I don't know cause I never build ada.)

… this ^ i.e. choosing the right one to use depending on
cross/disable-bootstrap/stage#n … 

.. gnattools adds the -B options specifically in its Makefile.

interesting - so that also implies it will be affected by the bootstrap
compiler (although, of course, that pretty much has to be GCC for Ada).  I must
confess I'd not looked beyond the handling of certain configure options.
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From: "fdumont at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug libstdc++/61107] stl_algo.h: std::__inplace_stable_partition() doesn't process the whole data range
Date: Tue, 11 Nov 2014 21:21:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61107

--- Comment #2 from François Dumont <fdumont at gcc dot gnu.org> ---
Author: fdumont
Date: Tue Nov 11 21:21:10 2014
New Revision: 217370

URL: https://gcc.gnu.org/viewcvs?rev=217370&root=gcc&view=rev
Log:
2014-11-11  François Dumont  <fdumont@gcc.gnu.org>

    PR libstdc++/61107
    * include/bits/stl_algo.h (__inplace_stable_partition): Delete.
    (__stable_partition_adaptive): Return __first if range length is 1.
    (__stable_partition): Adapt.
    * testsuite/util/testsuite_new_operators.h: New.
    * testsuite/25_algorithms/stable_sort/1.cc: Test algo in simulated
    constraint memory context.
    * testsuite/25_algorithms/inplace_merge/1.cc: Likewise.
    * testsuite/25_algorithms/stable_partition/1.cc: Likewise.

Added:
    trunk/libstdc++-v3/testsuite/util/testsuite_new_operators.h
Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/bits/stl_algo.h
    trunk/libstdc++-v3/testsuite/25_algorithms/inplace_merge/1.cc
    trunk/libstdc++-v3/testsuite/25_algorithms/stable_partition/1.cc
    trunk/libstdc++-v3/testsuite/25_algorithms/stable_sort/1.cc
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Subject: [Bug libstdc++/61107] stl_algo.h: std::__inplace_stable_partition() doesn't process the whole data range
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61107

François Dumont <fdumont at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED
   Target Milestone|---                         |5.0

--- Comment #3 from François Dumont <fdumont at gcc dot gnu.org> ---
Fixed using proposal 2 with small adaptation.
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Subject: [Bug target/63773] [meta-bug] Restoring darwin bootstrap for gcc 5.0
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https://gcc.gnu.org/bugzilla/show_bug.cgi?idc773

--- Comment #18 from Francois-Xavier Coudert <fxcoudert at gcc dot gnu.org> ---
(In reply to Iain Sandoe from comment #17)
> interesting - so that also implies it will be affected by the bootstrap
> compiler (although, of course, that pretty much has to be GCC for Ada).  I
> must confess I'd not looked beyond the handling of certain configure options.

I suspect it's time to involve Paolo indeed. We have reached the limits of my
understanding of the GCC build system :)