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* [Bug libstdc++/67114] New: [MinGW64] build failure with POSIX threads enabled
@ 2015-08-04 10:47 sliwa at ifpan dot edu.pl
2015-08-04 10:48 ` [Bug libstdc++/67114] " sliwa at ifpan dot edu.pl
` (9 more replies)
0 siblings, 10 replies; 11+ messages in thread
From: sliwa at ifpan dot edu.pl @ 2015-08-04 10:47 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67114
Bug ID: 67114
Summary: [MinGW64] build failure with POSIX threads enabled
Product: gcc
Version: 5.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libstdc++
Assignee: unassigned at gcc dot gnu.org
Reporter: sliwa at ifpan dot edu.pl
Target Milestone: ---
Created attachment 36119
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36119&action=edit
proposed patch to GCC
Since operator< is not available for thread types when using the pthreads-win32
library, gcc build fails when configured with POSIX threads on MinGW64.
The attached patch implements a field-by-field comparison.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug libstdc++/67114] [MinGW64] build failure with POSIX threads enabled
2015-08-04 10:47 [Bug libstdc++/67114] New: [MinGW64] build failure with POSIX threads enabled sliwa at ifpan dot edu.pl
@ 2015-08-04 10:48 ` sliwa at ifpan dot edu.pl
2015-08-04 12:03 ` sliwa at ifpan dot edu.pl
` (8 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: sliwa at ifpan dot edu.pl @ 2015-08-04 10:48 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67114
--- Comment #1 from Cezary Śliwa <sliwa at ifpan dot edu.pl> ---
Created attachment 36120
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36120&action=edit
complementary patch to the w32-pthreads library
>From gcc-bugs-return-494037-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Aug 04 10:56:53 2015
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From: "paolo.carlini at oracle dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/66427] The compiler rejects too complex variable templates
Date: Tue, 04 Aug 2015 10:56:00 -0000
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Paolo Carlini <paolo.carlini at oracle dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2015-08-04
Target Milestone|--- |5.2
Ever confirmed|0 |1
--- Comment #2 from Paolo Carlini <paolo.carlini at oracle dot com> ---
5.2.0 is also fine, I'm adding a testcase and closing the bug.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug libstdc++/67114] [MinGW64] build failure with POSIX threads enabled
2015-08-04 10:47 [Bug libstdc++/67114] New: [MinGW64] build failure with POSIX threads enabled sliwa at ifpan dot edu.pl
2015-08-04 10:48 ` [Bug libstdc++/67114] " sliwa at ifpan dot edu.pl
@ 2015-08-04 12:03 ` sliwa at ifpan dot edu.pl
2015-08-04 12:21 ` redi at gcc dot gnu.org
` (7 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: sliwa at ifpan dot edu.pl @ 2015-08-04 12:03 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67114
--- Comment #3 from Cezary Śliwa <sliwa at ifpan dot edu.pl> ---
Yes, I understand. The purpose of the patch is to point the problem. In
particular I don't know why operator< is needed and what are the required
semantics (i.e. comparing pointers vs. comparing thread sequence numbers; what
is the x field in the struct?). I am also concerned if the current
implementation of pthread_equal in the w32-pthreads library is correct in this
respect.
>From gcc-bugs-return-494054-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Aug 04 12:08:48 2015
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From: "mpolacek at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/67108] [6 Regression] ICE: in cxx_eval_call_expression, at cp/constexpr.c:1345 when dumping
Date: Tue, 04 Aug 2015 12:08:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?idg108
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2015-08-04
CC| |mpolacek at gcc dot gnu.org
Summary|ICE: in |[6 Regression] ICE: in
|cxx_eval_call_expression, |cxx_eval_call_expression,
|at cp/constexpr.c:1345 when |at cp/constexpr.c:1345 when
|dumping |dumping
Ever confirmed|0 |1
--- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Confirmed.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug libstdc++/67114] [MinGW64] build failure with POSIX threads enabled
2015-08-04 10:47 [Bug libstdc++/67114] New: [MinGW64] build failure with POSIX threads enabled sliwa at ifpan dot edu.pl
2015-08-04 10:48 ` [Bug libstdc++/67114] " sliwa at ifpan dot edu.pl
2015-08-04 12:03 ` sliwa at ifpan dot edu.pl
@ 2015-08-04 12:21 ` redi at gcc dot gnu.org
2015-08-04 13:13 ` redi at gcc dot gnu.org
` (6 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: redi at gcc dot gnu.org @ 2015-08-04 12:21 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67114
--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
The C++ standard requires thread::id objects to be comparable with operator<
and for it to impose a total order.
The current libstdc++ code assumes that a total order can be obtained simply by
comparing the pthread_t objects, which is not portable, but some form of total
order over pthread_t objects is needed.
For w32-pthreads comparing thread sequence numbers should be sufficient.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug libstdc++/67114] [MinGW64] build failure with POSIX threads enabled
2015-08-04 10:47 [Bug libstdc++/67114] New: [MinGW64] build failure with POSIX threads enabled sliwa at ifpan dot edu.pl
` (2 preceding siblings ...)
2015-08-04 12:21 ` redi at gcc dot gnu.org
@ 2015-08-04 13:13 ` redi at gcc dot gnu.org
2015-08-04 13:17 ` redi at gcc dot gnu.org
` (5 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: redi at gcc dot gnu.org @ 2015-08-04 13:13 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67114
Jonathan Wakely <redi at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #36119|0 |1
is obsolete| |
Attachment #36120|0 |1
is obsolete| |
--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Created attachment 36124
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36124&action=edit
Add _GLIBCXX_THREAD_ID_LESS hook for thread ID comparisons
This patch preserves the existing behaviour for most targets but adds a new
macro hook that can be used to define a target-specific alternative in
os_defines.h
This does not require any changes to pthreads-win32. Could you test it?
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug libstdc++/67114] [MinGW64] build failure with POSIX threads enabled
2015-08-04 10:47 [Bug libstdc++/67114] New: [MinGW64] build failure with POSIX threads enabled sliwa at ifpan dot edu.pl
` (3 preceding siblings ...)
2015-08-04 13:13 ` redi at gcc dot gnu.org
@ 2015-08-04 13:17 ` redi at gcc dot gnu.org
2015-08-04 14:45 ` sliwa at ifpan dot edu.pl
` (4 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: redi at gcc dot gnu.org @ 2015-08-04 13:17 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67114
Jonathan Wakely <redi at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #36124|0 |1
is obsolete| |
--- Comment #6 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Created attachment 36125
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36125&action=edit
Patch to add _GLIBCXX_THREAD_ID_LESS hook.
Oops, that wasn't the final version of the patch. This one should actually
compile!
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug libstdc++/67114] [MinGW64] build failure with POSIX threads enabled
2015-08-04 10:47 [Bug libstdc++/67114] New: [MinGW64] build failure with POSIX threads enabled sliwa at ifpan dot edu.pl
` (4 preceding siblings ...)
2015-08-04 13:17 ` redi at gcc dot gnu.org
@ 2015-08-04 14:45 ` sliwa at ifpan dot edu.pl
2015-08-04 15:55 ` redi at gcc dot gnu.org
` (3 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: sliwa at ifpan dot edu.pl @ 2015-08-04 14:45 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67114
--- Comment #7 from Cezary Śliwa <sliwa at ifpan dot edu.pl> ---
1. After applying the patch to GCC 5.2.0, the build fails (I do not see
PTW32_VERSION defined):
Making all in c++11
make[5]: Entering directory
`/home/czarek/src/nowe/build-pthreads/objdir-gcc/x86_64-w64-mingw32/libstdc++-v3/src/c++11'
/bin/sh ../../libtool --tag CXX --tag disable-shared --mode=compile
/home/czarek/src/nowe/build-pthreads/objdir-gcc/./gcc/xgcc -shared-libgcc
-B/home/czarek/src/nowe/build-pthreads/objdir-gcc/./gcc -nostdinc++
-L/home/czarek/src/nowe/build-pthreads/objdir-gcc/x86_64-w64-mingw32/libstdc++-v3/src
-L/home/czarek/src/nowe/build-pthreads/objdir-gcc/x86_64-w64-mingw32/libstdc++-v3/src/.libs
-L/home/czarek/src/nowe/build-pthreads/objdir-gcc/x86_64-w64-mingw32/libstdc++-v3/libsupc++/.libs
-L/opt/mingw64/x86_64-w64-mingw32/lib -L/opt/mingw64/mingw/lib -isystem
/opt/mingw64/x86_64-w64-mingw32/include -isystem /opt/mingw64/mingw/include
-B/opt/mingw64/x86_64-w64-mingw32/bin/ -B/opt/mingw64/x86_64-w64-mingw32/lib/
-isystem /opt/mingw64/x86_64-w64-mingw32/include -isystem
/opt/mingw64/x86_64-w64-mingw32/sys-include
-I/home/czarek/src/nowe/build-pthreads/gcc-5.2.0/libstdc++-v3/../libgcc
-I/home/czarek/src/nowe/build-pthreads/objdir-gcc/x86_64-w64-mingw32/libstdc++-v3/include/x86_64-w64-mingw32
-I/home/czarek/src/nowe/build-pthreads/objdir-gcc/x86_64-w64-mingw32/libstdc++-v3/include
-I/home/czarek/src/nowe/build-pthreads/gcc-5.2.0/libstdc++-v3/libsupc++
-std=gnu++11 -prefer-pic -D_GLIBCXX_SHARED -fno-implicit-templates -Wall
-Wextra -Wwrite-strings -Wcast-qual -Wabi -fdiagnostics-show-location=once
-ffunction-sections -fdata-sections -frandom-seed=functexcept.lo -g -O2 -c -o
functexcept.lo ../../../../../gcc-5.2.0/libstdc++-v3/src/c++11/functexcept.cc
libtool: compile: /home/czarek/src/nowe/build-pthreads/objdir-gcc/./gcc/xgcc
-shared-libgcc -B/home/czarek/src/nowe/build-pthreads/objdir-gcc/./gcc
-nostdinc++
-L/home/czarek/src/nowe/build-pthreads/objdir-gcc/x86_64-w64-mingw32/libstdc++-v3/src
-L/home/czarek/src/nowe/build-pthreads/objdir-gcc/x86_64-w64-mingw32/libstdc++-v3/src/.libs
-L/home/czarek/src/nowe/build-pthreads/objdir-gcc/x86_64-w64-mingw32/libstdc++-v3/libsupc++/.libs
-L/opt/mingw64/x86_64-w64-mingw32/lib -L/opt/mingw64/mingw/lib -isystem
/opt/mingw64/x86_64-w64-mingw32/include -isystem /opt/mingw64/mingw/include
-B/opt/mingw64/x86_64-w64-mingw32/bin/ -B/opt/mingw64/x86_64-w64-mingw32/lib/
-isystem /opt/mingw64/x86_64-w64-mingw32/include -isystem
/opt/mingw64/x86_64-w64-mingw32/sys-include
-I/home/czarek/src/nowe/build-pthreads/gcc-5.2.0/libstdc++-v3/../libgcc
-I/home/czarek/src/nowe/build-pthreads/objdir-gcc/x86_64-w64-mingw32/libstdc++-v3/include/x86_64-w64-mingw32
-I/home/czarek/src/nowe/build-pthreads/objdir-gcc/x86_64-w64-mingw32/libstdc++-v3/include
-I/home/czarek/src/nowe/build-pthreads/gcc-5.2.0/libstdc++-v3/libsupc++
-std=gnu++11 -D_GLIBCXX_SHARED -fno-implicit-templates -Wall -Wextra
-Wwrite-strings -Wcast-qual -Wabi -fdiagnostics-show-location=once
-ffunction-sections -fdata-sections -frandom-seed=functexcept.lo -g -O2 -c
../../../../../gcc-5.2.0/libstdc++-v3/src/c++11/functexcept.cc -o functexcept.o
In file included from
/home/czarek/src/nowe/build-pthreads/objdir-gcc/x86_64-w64-mingw32/libstdc++-v3/include/future:40:0,
from
../../../../../gcc-5.2.0/libstdc++-v3/src/c++11/functexcept.cc:34:
/home/czarek/src/nowe/build-pthreads/objdir-gcc/x86_64-w64-mingw32/libstdc++-v3/include/thread:
In instantiation of ‘static bool std::thread::id::__less<_Tp,
<template-parameter-1-2> >::_S_less(const _Tp&, const _Tp&) [with _Tp =
ptw32_handle_t; <template-parameter-1-2> = void]’:
/home/czarek/src/nowe/build-pthreads/objdir-gcc/x86_64-w64-mingw32/libstdc++-v3/include/thread:106:37:
required from here
/home/czarek/src/nowe/build-pthreads/objdir-gcc/x86_64-w64-mingw32/libstdc++-v3/include/thread:91:36:
error: ‘_GLIBCXX_THREAD_ID_LESS’ was not declared in this scope
{ return _GLIBCXX_THREAD_ID_LESS(__x, __y); }
^
make[5]: *** [functexcept.lo] Error 1
make[5]: Leaving directory
`/home/czarek/src/nowe/build-pthreads/objdir-gcc/x86_64-w64-mingw32/libstdc++-v3/src/c++11'
make[5]: Entering directory
`/home/czarek/src/nowe/build-pthreads/objdir-gcc/x86_64-w64-mingw32/libstdc++-v3/src'
/bin/sh ../libtool --tag CXX --mode=compile
/home/czarek/src/nowe/build-pthreads/objdir-gcc/./gcc/xgcc -shared-libgcc
-B/home/czarek/src/nowe/build-pthreads/objdir-gcc/./gcc -nostdinc++
-L/home/czarek/src/nowe/build-pthreads/objdir-gcc/x86_64-w64-mingw32/libstdc++-v3/src
-L/home/czarek/src/nowe/build-pthreads/objdir-gcc/x86_64-w64-mingw32/libstdc++-v3/src/.libs
-L/home/czarek/src/nowe/build-pthreads/objdir-gcc/x86_64-w64-mingw32/libstdc++-v3/libsupc++/.libs
-L/opt/mingw64/x86_64-w64-mingw32/lib -L/opt/mingw64/mingw/lib -isystem
/opt/mingw64/x86_64-w64-mingw32/include -isystem /opt/mingw64/mingw/include
-B/opt/mingw64/x86_64-w64-mingw32/bin/ -B/opt/mingw64/x86_64-w64-mingw32/lib/
-isystem /opt/mingw64/x86_64-w64-mingw32/include -isystem
/opt/mingw64/x86_64-w64-mingw32/sys-include
-I/home/czarek/src/nowe/build-pthreads/objdir-gcc/x86_64-w64-mingw32/libstdc++-v3/include/x86_64-w64-mingw32
-I/home/czarek/src/nowe/build-pthreads/objdir-gcc/x86_64-w64-mingw32/libstdc++-v3/include
-I/home/czarek/src/nowe/build-pthreads/gcc-5.2.0/libstdc++-v3/libsupc++
-DDLL_EXPORT -DPIC -fno-implicit-templates -Wall -Wextra -Wwrite-strings
-Wcast-qual -Wabi -fdiagnostics-show-location=once -ffunction-sections
-fdata-sections -frandom-seed=compatibility-thread-c++0x.lo -g -O2
-std=gnu++11 -c
../../../../gcc-5.2.0/libstdc++-v3/src/c++11/compatibility-thread-c++0x.cc
libtool: compile: /home/czarek/src/nowe/build-pthreads/objdir-gcc/./gcc/xgcc
-shared-libgcc -B/home/czarek/src/nowe/build-pthreads/objdir-gcc/./gcc
-nostdinc++
-L/home/czarek/src/nowe/build-pthreads/objdir-gcc/x86_64-w64-mingw32/libstdc++-v3/src
-L/home/czarek/src/nowe/build-pthreads/objdir-gcc/x86_64-w64-mingw32/libstdc++-v3/src/.libs
-L/home/czarek/src/nowe/build-pthreads/objdir-gcc/x86_64-w64-mingw32/libstdc++-v3/libsupc++/.libs
-L/opt/mingw64/x86_64-w64-mingw32/lib -L/opt/mingw64/mingw/lib -isystem
/opt/mingw64/x86_64-w64-mingw32/include -isystem /opt/mingw64/mingw/include
-B/opt/mingw64/x86_64-w64-mingw32/bin/ -B/opt/mingw64/x86_64-w64-mingw32/lib/
-isystem /opt/mingw64/x86_64-w64-mingw32/include -isystem
/opt/mingw64/x86_64-w64-mingw32/sys-include
-I/home/czarek/src/nowe/build-pthreads/objdir-gcc/x86_64-w64-mingw32/libstdc++-v3/include/x86_64-w64-mingw32
-I/home/czarek/src/nowe/build-pthreads/objdir-gcc/x86_64-w64-mingw32/libstdc++-v3/include
-I/home/czarek/src/nowe/build-pthreads/gcc-5.2.0/libstdc++-v3/libsupc++
-DDLL_EXPORT -DPIC -fno-implicit-templates -Wall -Wextra -Wwrite-strings
-Wcast-qual -Wabi -fdiagnostics-show-location=once -ffunction-sections
-fdata-sections -frandom-seed=compatibility-thread-c++0x.lo -g -O2 -std=gnu++11
-c ../../../../gcc-5.2.0/libstdc++-v3/src/c++11/compatibility-thread-c++0x.cc
-DDLL_EXPORT -DPIC -D_GLIBCXX_SHARED -o .libs/compatibility-thread-c++0x.o
In file included from
/home/czarek/src/nowe/build-pthreads/objdir-gcc/x86_64-w64-mingw32/libstdc++-v3/include/future:40:0,
from
../../../../gcc-5.2.0/libstdc++-v3/src/c++11/compatibility-thread-c++0x.cc:30:
/home/czarek/src/nowe/build-pthreads/objdir-gcc/x86_64-w64-mingw32/libstdc++-v3/include/thread:
In instantiation of ‘static bool std::thread::id::__less<_Tp,
<template-parameter-1-2> >::_S_less(const _Tp&, const _Tp&) [with _Tp =
ptw32_handle_t; <template-parameter-1-2> = void]’:
/home/czarek/src/nowe/build-pthreads/objdir-gcc/x86_64-w64-mingw32/libstdc++-v3/include/thread:106:37:
required from here
/home/czarek/src/nowe/build-pthreads/objdir-gcc/x86_64-w64-mingw32/libstdc++-v3/include/thread:91:36:
error: ‘_GLIBCXX_THREAD_ID_LESS’ was not declared in this scope
{ return _GLIBCXX_THREAD_ID_LESS(__x, __y); }
^
make[5]: *** [compatibility-thread-c++0x.lo] Error 1
make[5]: Leaving directory
`/home/czarek/src/nowe/build-pthreads/objdir-gcc/x86_64-w64-mingw32/libstdc++-v3/src'
2. What is the appropriate test to verify the correctness of the order imposed?
3. My procedure is the following: I build GCC with Win32 threads, use it to
build the w32-pthreads library, and only then I build the compiler which uses
POSIX threads. Is there a better or simpler way? Building libgcc requires
pthreads, w32-pthreads compiled with gcc require libgcc. This looks like a
circular dependence.
>From gcc-bugs-return-494079-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Aug 04 14:48:07 2015
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From: "paolo.carlini at oracle dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/66392] rejects-valid: copy-initialization through user-defined conversion sequence fails
Date: Tue, 04 Aug 2015 14:48:00 -0000
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Paolo Carlini <paolo.carlini at oracle dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |paolo.carlini at oracle dot com
--- Comment #1 from Paolo Carlini <paolo.carlini at oracle dot com> ---
Works in mainline, likely due to the fix for c++/54521. I'm adding the testcase
and closing the bug.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug libstdc++/67114] [MinGW64] build failure with POSIX threads enabled
2015-08-04 10:47 [Bug libstdc++/67114] New: [MinGW64] build failure with POSIX threads enabled sliwa at ifpan dot edu.pl
` (5 preceding siblings ...)
2015-08-04 14:45 ` sliwa at ifpan dot edu.pl
@ 2015-08-04 15:55 ` redi at gcc dot gnu.org
2015-08-05 9:55 ` sliwa at ifpan dot edu.pl
` (2 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: redi at gcc dot gnu.org @ 2015-08-04 15:55 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67114
--- Comment #8 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Cezary Śliwa from comment #7)
> 1. After applying the patch to GCC 5.2.0, the build fails (I do not see
> PTW32_VERSION defined):
Doh, of course not, because gthr.h isn't included until after os_defines.h,
sorry.
>From gcc-bugs-return-494095-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Tue Aug 04 16:00:24 2015
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From: "redi at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug libstdc++/67116] incorrect detection of thread model when cross-compiling the tool chain
Date: Tue, 04 Aug 2015 16:00:00 -0000
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Jonathan Wakely <redi at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
Status|UNCONFIRMED |WAITING
Last reconfirmed| |2015-08-04
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--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
What are the configure commands you're using?
Libstdc++ is built using the target compiler, so its configure uses the target
compiler not the host, so this shouldn't happen.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug libstdc++/67114] [MinGW64] build failure with POSIX threads enabled
2015-08-04 10:47 [Bug libstdc++/67114] New: [MinGW64] build failure with POSIX threads enabled sliwa at ifpan dot edu.pl
` (6 preceding siblings ...)
2015-08-04 15:55 ` redi at gcc dot gnu.org
@ 2015-08-05 9:55 ` sliwa at ifpan dot edu.pl
2015-08-08 22:01 ` jason at gcc dot gnu.org
2015-08-08 22:05 ` jason at gcc dot gnu.org
9 siblings, 0 replies; 11+ messages in thread
From: sliwa at ifpan dot edu.pl @ 2015-08-05 9:55 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67114
--- Comment #9 from Cezary Śliwa <sliwa at ifpan dot edu.pl> ---
One think I missed is that MinGW64 uses the winpthreads library. If using
winpthreads, there is no failure. However, as far as I understand,
pthreads-win32 is in use in MinGW.
>From gcc-bugs-return-494147-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Wed Aug 05 10:01:50 2015
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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/67055] [5/6 Regression] Segmentation fault in fold_builtin_alloca_with_align in tree-ssa-ccp.c
Date: Wed, 05 Aug 2015 10:01:00 -0000
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--- Comment #11 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Wed Aug 5 10:01:12 2015
New Revision: 226616
URL: https://gcc.gnu.org/viewcvs?rev"6616&root=gcc&view=rev
Log:
2015-08-05 Richard Biener <rguenther@suse.de>
PR tree-optimization/67055
* tree-ssa-ccp.c (fold_builtin_alloca_with_align): Handle
NULL gimple_block.
* g++.dg/torture/pr67055.C: New testcase.
Added:
trunk/gcc/testsuite/g++.dg/torture/pr67055.C
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-ccp.c
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug libstdc++/67114] [MinGW64] build failure with POSIX threads enabled
2015-08-04 10:47 [Bug libstdc++/67114] New: [MinGW64] build failure with POSIX threads enabled sliwa at ifpan dot edu.pl
` (7 preceding siblings ...)
2015-08-05 9:55 ` sliwa at ifpan dot edu.pl
@ 2015-08-08 22:01 ` jason at gcc dot gnu.org
2015-08-08 22:05 ` jason at gcc dot gnu.org
9 siblings, 0 replies; 11+ messages in thread
From: jason at gcc dot gnu.org @ 2015-08-08 22:01 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67114
--- Comment #10 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Sat Aug 8 22:01:12 2015
New Revision: 226736
URL: https://gcc.gnu.org/viewcvs?rev=226736&root=gcc&view=rev
Log:
PR c++/67114
* call.c (joust): Only call more_constrained on decls.
Added:
trunk/gcc/testsuite/g++.dg/cpp1z/regress1.C
Modified:
trunk/gcc/cp/ChangeLog
trunk/gcc/cp/call.c
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug libstdc++/67114] [MinGW64] build failure with POSIX threads enabled
2015-08-04 10:47 [Bug libstdc++/67114] New: [MinGW64] build failure with POSIX threads enabled sliwa at ifpan dot edu.pl
` (8 preceding siblings ...)
2015-08-08 22:01 ` jason at gcc dot gnu.org
@ 2015-08-08 22:05 ` jason at gcc dot gnu.org
9 siblings, 0 replies; 11+ messages in thread
From: jason at gcc dot gnu.org @ 2015-08-08 22:05 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67114
Jason Merrill <jason at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jason at gcc dot gnu.org
--- Comment #11 from Jason Merrill <jason at gcc dot gnu.org> ---
(In reply to Jason Merrill from comment #10)
Oops, wrong bug number.
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