Jonathan Wakely jwak...@redhat.com writes:
The powerpc64 ICE is fixed, so I'm committing the std::string ABI
transition patch.
This replaces our venerable Copy-on-Write std::string with a
C++11-conforming* Small-String Optimized std::__cxx11::string.
(* It's not quite 100% conforming, as
On 06/01/15 10:52 +0100, Rainer Orth wrote:
Unfortunately, this patch broke Solaris bootstrap with /bin/ld:
libstdc++.so fails to link with
ld: fatal: libstdc++-symbols.ver-sun: 5383: symbol
'std::locale::name[abi:cxx11]() const': symbol version conflict
l.5383 has
Jonathan Wakely jwak...@redhat.com writes:
Drat, I even tried to avoid that conflict, but apparently I thought
the letter that comes after 'n' is 'n'!
Does this fix it?
--- a/libstdc++-v3/config/abi/pre/gnu.ver
+++ b/libstdc++-v3/config/abi/pre/gnu.ver
@@ -118,7 +118,7 @@ GLIBCXX_3.4 {
#
On 06/01/15 13:29 +0100, Rainer Orth wrote:
Jonathan Wakely jwak...@redhat.com writes:
Drat, I even tried to avoid that conflict, but apparently I thought
the letter that comes after 'n' is 'n'!
Does this fix it?
--- a/libstdc++-v3/config/abi/pre/gnu.ver
+++
Hello Jonathan,
starting with around r218964, New std::string implementation.
the following program does no longer link correctly:
cat test1.cc
#include string
int
main()
{
std::string x;
x.erase(x.begin(), x.end());
}
g++ test1.cc
/tmp/ccgup1FU.o: In function `main':
The powerpc64 ICE is fixed, so I'm committing the std::string ABI
transition patch.
This replaces our venerable Copy-on-Write std::string with a
C++11-conforming* Small-String Optimized std::__cxx11::string.
(* It's not quite 100% conforming, as it's missing some allocator
features. Of course.
Hello
Great news.
However we need the following to make debug/profile modes happy.
Shouldn't we use _GLIBCXX_ABI_TAG_CXX11 to tag the __cxx11 namespace ?
2014-12-20 François Dumont fdum...@gcc.gnu.org
* include/bits/c++config: inline __cxx11 namespace within namespace
This fixes some duplicate symbols which break Darwin bootstrap.
Tested x86_64-linux and powerpc64-linux, committed to trunk.
commit fa3a5af2feee0f9873ba1a9bdb84148dd122506c
Author: Jonathan Wakely jwak...@redhat.com
Date: Fri Dec 19 23:44:01 2014 +
Fix duplicate symbol errors in
On 20/12/14 00:52 +0100, François Dumont wrote:
Hello
Great news.
However we need the following to make debug/profile modes happy.
Ah, thanks for checking it.
Shouldn't we use _GLIBCXX_ABI_TAG_CXX11 to tag the __cxx11 namespace ?
No, that is defined to
Here's the next version of the std::string rework, this time with
57.1428% more locale facets!
The problem is that there are several facet types that use std::string
in their public interfaces and as the parameters (or worse, as return
types) of virtual functions. It's not possible to overload
On 28/11/14 15:24 +, Jonathan Wakely wrote:
Tested x86_64-linux with:
--target_board=unix\{-m32,\}\{,-D_GLIBCXX_USE_CXX11_ABI=0\}
Also tested on powerpc64-linux (where this patch doesn't actually
bootstrap due to PR 63573, there's a patch in the PR that's needed)
and i686-linux.
Oh how
On Mon, Nov 17, 2014 at 5:43 PM, Jonathan Wakely jwak...@redhat.com wrote:
On 17/11/14 13:06 +0100, Markus Trippelsdorf wrote:
On 2014.11.14 at 15:43 +, Jonathan Wakely wrote:
Tested on x86_64-linux and powerpc64-linux, also with
--disable-libstdcxx11-abi to verify all the incompatible
On 18/11/14 10:45 +0100, Richard Biener wrote:
Looking at all these issues that just pop up inside libstdc++ I wonder
if this whole business will not blow up in our face once out in the wild...
I'm trying to ensure that most of the the pain is dealt with inside
libstdc++ and so users won't
On 14/11/14 15:43 +, Jonathan Wakely wrote:
This is the long-awaited ABI break for std::string, replacing our
venerable Copy-On-Write implementation with a C++11-conforming
Small-String-Optimization implementation (based on Paolo's vstring).
This patch fixes move construction and
On 2014.11.14 at 15:43 +, Jonathan Wakely wrote:
Tested on x86_64-linux and powerpc64-linux, also with
--disable-libstdcxx11-abi to verify all the incompatible changes can
be disabled if needed.
On ppc64 I get:
FAIL: libstdc++-abi/abi_check
FAIL: 27_io/basic_ios/copyfmt/char/1.cc
On 17/11/14 13:06 +0100, Markus Trippelsdorf wrote:
On 2014.11.14 at 15:43 +, Jonathan Wakely wrote:
Tested on x86_64-linux and powerpc64-linux, also with
--disable-libstdcxx11-abi to verify all the incompatible changes can
be disabled if needed.
On ppc64 I get:
FAIL:
This is the long-awaited ABI break for std::string, replacing our
venerable Copy-On-Write implementation with a C++11-conforming
Small-String-Optimization implementation (based on Paolo's vstring).
The gist of it is adding a second complete std::string implementation
that is tagged with
Some (very small) questions / cleanups
1) Do you plan on supporting CXX11 ABI on C++03? There is some #if
__cplusplus 201103L inside the new basic_string.
2) Is there a need for the #if 0 _M_mutate?
I tried bootstrapping on Mac OS X 10.10, and got lots of linking
issues, the relevant part
On 14/11/14 16:32 +, Christopher Jefferson wrote:
Some (very small) questions / cleanups
1) Do you plan on supporting CXX11 ABI on C++03? There is some #if
__cplusplus 201103L inside the new basic_string.
Yes, the intention is that you get the same std::string implementation
independent
On 14/11/14 16:42 +, Jonathan Wakely wrote:
On 14/11/14 16:32 +, Christopher Jefferson wrote:
I tried bootstrapping on Mac OS X 10.10, and got lots of linking
issues, the relevant part is::
I might be missing some of the new instantiations, I'll look into
that.
I am missing some
On 14/11/14 16:51 +, Jonathan Wakely wrote:
On 14/11/14 16:42 +, Jonathan Wakely wrote:
On 14/11/14 16:32 +, Christopher Jefferson wrote:
I tried bootstrapping on Mac OS X 10.10, and got lots of linking
issues, the relevant part is::
I might be missing some of the new
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