* [Bug libstdc++/44902] eh_arm.cc:42:23: error: declaration of '__cxxabiv1::__cxa_type_match_result __cxa_type_match(_Unwind_Control_Block*, const std::type_info*, bool, void**)' with C language linkage [-Werror]
2010-07-10 12:18 [Bug libstdc++/44902] New: eh_arm.cc:42:23: error: declaration of '__cxxabiv1::__cxa_type_match_result __cxa_type_match(_Unwind_Control_Block*, const std::type_info*, bool, void**)' with C language linkage [-Werror] John dot Tytgat at aaug dot net
@ 2010-07-10 20:20 ` paolo dot carlini at oracle dot com
2010-07-12 17:45 ` rearnsha at gcc dot gnu dot org
` (11 subsequent siblings)
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From: paolo dot carlini at oracle dot com @ 2010-07-10 20:20 UTC (permalink / raw)
To: gcc-bugs
------- Comment #1 from paolo dot carlini at oracle dot com 2010-07-10 20:20 -------
ARM maintainers, could you please help me triaging this? Thanks.
--
paolo dot carlini at oracle dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |richard dot earnshaw at arm
| |dot com, nickc at redhat dot
| |com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44902
^ permalink raw reply [flat|nested] 14+ messages in thread* [Bug libstdc++/44902] eh_arm.cc:42:23: error: declaration of '__cxxabiv1::__cxa_type_match_result __cxa_type_match(_Unwind_Control_Block*, const std::type_info*, bool, void**)' with C language linkage [-Werror]
2010-07-10 12:18 [Bug libstdc++/44902] New: eh_arm.cc:42:23: error: declaration of '__cxxabiv1::__cxa_type_match_result __cxa_type_match(_Unwind_Control_Block*, const std::type_info*, bool, void**)' with C language linkage [-Werror] John dot Tytgat at aaug dot net
2010-07-10 20:20 ` [Bug libstdc++/44902] " paolo dot carlini at oracle dot com
@ 2010-07-12 17:45 ` rearnsha at gcc dot gnu dot org
2010-07-13 20:32 ` John dot Tytgat at aaug dot net
` (10 subsequent siblings)
12 siblings, 0 replies; 14+ messages in thread
From: rearnsha at gcc dot gnu dot org @ 2010-07-12 17:45 UTC (permalink / raw)
To: gcc-bugs
------- Comment #2 from rearnsha at gcc dot gnu dot org 2010-07-12 17:45 -------
Looks to be a valid bug to me. I suspect it's triggered by the
'--enable-maintainer-mode' flag causing -Werror to be used while building
libstdc++.
Paul, is this just a straight prototype problem in the header file?
--
rearnsha at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |pbrook at gcc dot gnu dot
| |org
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
Last reconfirmed|0000-00-00 00:00:00 |2010-07-12 17:45:45
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44902
^ permalink raw reply [flat|nested] 14+ messages in thread* [Bug libstdc++/44902] eh_arm.cc:42:23: error: declaration of '__cxxabiv1::__cxa_type_match_result __cxa_type_match(_Unwind_Control_Block*, const std::type_info*, bool, void**)' with C language linkage [-Werror]
2010-07-10 12:18 [Bug libstdc++/44902] New: eh_arm.cc:42:23: error: declaration of '__cxxabiv1::__cxa_type_match_result __cxa_type_match(_Unwind_Control_Block*, const std::type_info*, bool, void**)' with C language linkage [-Werror] John dot Tytgat at aaug dot net
2010-07-10 20:20 ` [Bug libstdc++/44902] " paolo dot carlini at oracle dot com
2010-07-12 17:45 ` rearnsha at gcc dot gnu dot org
@ 2010-07-13 20:32 ` John dot Tytgat at aaug dot net
2010-07-13 23:51 ` mikpe at it dot uu dot se
` (9 subsequent siblings)
12 siblings, 0 replies; 14+ messages in thread
From: John dot Tytgat at aaug dot net @ 2010-07-13 20:32 UTC (permalink / raw)
To: gcc-bugs
------- Comment #3 from John dot Tytgat at aaug dot net 2010-07-13 20:32 -------
I can confirm that it is because of the use of --enable-maintainer-mode we get
an error instead of a warning.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44902
^ permalink raw reply [flat|nested] 14+ messages in thread* [Bug libstdc++/44902] eh_arm.cc:42:23: error: declaration of '__cxxabiv1::__cxa_type_match_result __cxa_type_match(_Unwind_Control_Block*, const std::type_info*, bool, void**)' with C language linkage [-Werror]
2010-07-10 12:18 [Bug libstdc++/44902] New: eh_arm.cc:42:23: error: declaration of '__cxxabiv1::__cxa_type_match_result __cxa_type_match(_Unwind_Control_Block*, const std::type_info*, bool, void**)' with C language linkage [-Werror] John dot Tytgat at aaug dot net
` (2 preceding siblings ...)
2010-07-13 20:32 ` John dot Tytgat at aaug dot net
@ 2010-07-13 23:51 ` mikpe at it dot uu dot se
2010-07-17 21:24 ` John dot Tytgat at aaug dot net
` (8 subsequent siblings)
12 siblings, 0 replies; 14+ messages in thread
From: mikpe at it dot uu dot se @ 2010-07-13 23:51 UTC (permalink / raw)
To: gcc-bugs
------- Comment #4 from mikpe at it dot uu dot se 2010-07-13 23:51 -------
Created an attachment (id=21195)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21195&action=view)
fix __cxa_type_match and __cxa_begin_cleanup prototypes
Looks like long-standing confusion about the return types of __cxa_type_match
and __cxa_begin_cleanup. I see the warnings with 4.5 and 4.6, but strangely
enough not with 4.4 even though the same mismatch exists there.
Fixed by making the prototypes match the function definitions. Tested so far
with a 4.6 cross to arm-linux-gnueabi.
There's also a mismatching extern declaration for __cxa_begin_cleanup in
libjava/exception.cc, but it seems harmless so I excluded the patch to correct
it.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44902
^ permalink raw reply [flat|nested] 14+ messages in thread* [Bug libstdc++/44902] eh_arm.cc:42:23: error: declaration of '__cxxabiv1::__cxa_type_match_result __cxa_type_match(_Unwind_Control_Block*, const std::type_info*, bool, void**)' with C language linkage [-Werror]
2010-07-10 12:18 [Bug libstdc++/44902] New: eh_arm.cc:42:23: error: declaration of '__cxxabiv1::__cxa_type_match_result __cxa_type_match(_Unwind_Control_Block*, const std::type_info*, bool, void**)' with C language linkage [-Werror] John dot Tytgat at aaug dot net
` (3 preceding siblings ...)
2010-07-13 23:51 ` mikpe at it dot uu dot se
@ 2010-07-17 21:24 ` John dot Tytgat at aaug dot net
2010-07-19 9:25 ` paolo dot carlini at oracle dot com
` (7 subsequent siblings)
12 siblings, 0 replies; 14+ messages in thread
From: John dot Tytgat at aaug dot net @ 2010-07-17 21:24 UTC (permalink / raw)
To: gcc-bugs
------- Comment #5 from John dot Tytgat at aaug dot net 2010-07-17 21:24 -------
Patch attachment 21195 fixes reported problem as well (4.6 cross with target
arm-unknown-eabi). Thanks.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44902
^ permalink raw reply [flat|nested] 14+ messages in thread* [Bug libstdc++/44902] eh_arm.cc:42:23: error: declaration of '__cxxabiv1::__cxa_type_match_result __cxa_type_match(_Unwind_Control_Block*, const std::type_info*, bool, void**)' with C language linkage [-Werror]
2010-07-10 12:18 [Bug libstdc++/44902] New: eh_arm.cc:42:23: error: declaration of '__cxxabiv1::__cxa_type_match_result __cxa_type_match(_Unwind_Control_Block*, const std::type_info*, bool, void**)' with C language linkage [-Werror] John dot Tytgat at aaug dot net
` (4 preceding siblings ...)
2010-07-17 21:24 ` John dot Tytgat at aaug dot net
@ 2010-07-19 9:25 ` paolo dot carlini at oracle dot com
2010-07-19 9:48 ` mikpe at it dot uu dot se
` (6 subsequent siblings)
12 siblings, 0 replies; 14+ messages in thread
From: paolo dot carlini at oracle dot com @ 2010-07-19 9:25 UTC (permalink / raw)
To: gcc-bugs
------- Comment #6 from paolo dot carlini at oracle dot com 2010-07-19 09:25 -------
Any comment from the ARM maintainers about Mikael' patch? Otherwise, I mean to
apply it and close the PR pretty soon...
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44902
^ permalink raw reply [flat|nested] 14+ messages in thread* [Bug libstdc++/44902] eh_arm.cc:42:23: error: declaration of '__cxxabiv1::__cxa_type_match_result __cxa_type_match(_Unwind_Control_Block*, const std::type_info*, bool, void**)' with C language linkage [-Werror]
2010-07-10 12:18 [Bug libstdc++/44902] New: eh_arm.cc:42:23: error: declaration of '__cxxabiv1::__cxa_type_match_result __cxa_type_match(_Unwind_Control_Block*, const std::type_info*, bool, void**)' with C language linkage [-Werror] John dot Tytgat at aaug dot net
` (5 preceding siblings ...)
2010-07-19 9:25 ` paolo dot carlini at oracle dot com
@ 2010-07-19 9:48 ` mikpe at it dot uu dot se
2010-07-19 10:16 ` paolo dot carlini at oracle dot com
` (5 subsequent siblings)
12 siblings, 0 replies; 14+ messages in thread
From: mikpe at it dot uu dot se @ 2010-07-19 9:48 UTC (permalink / raw)
To: gcc-bugs
------- Comment #7 from mikpe at it dot uu dot se 2010-07-19 09:48 -------
I had planned to include this patch in my native ARM bootstrap+regtest of the
next 4.6 weekly snapshot (4.6-20100717) and then submit it properly, but with
the bootstrap-breaking r162270 mess it slipped my mind.
If people are Ok with it w/o native testing, I'll gladly submit it right now or
have someone else apply it directly under the obvious rule.
Otherwise I'll do an incremental re-build and libstd++-only test run with it
once my current test cycle completes, and then submit it.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44902
^ permalink raw reply [flat|nested] 14+ messages in thread* [Bug libstdc++/44902] eh_arm.cc:42:23: error: declaration of '__cxxabiv1::__cxa_type_match_result __cxa_type_match(_Unwind_Control_Block*, const std::type_info*, bool, void**)' with C language linkage [-Werror]
2010-07-10 12:18 [Bug libstdc++/44902] New: eh_arm.cc:42:23: error: declaration of '__cxxabiv1::__cxa_type_match_result __cxa_type_match(_Unwind_Control_Block*, const std::type_info*, bool, void**)' with C language linkage [-Werror] John dot Tytgat at aaug dot net
` (6 preceding siblings ...)
2010-07-19 9:48 ` mikpe at it dot uu dot se
@ 2010-07-19 10:16 ` paolo dot carlini at oracle dot com
2010-07-20 8:48 ` mikpe at it dot uu dot se
` (4 subsequent siblings)
12 siblings, 0 replies; 14+ messages in thread
From: paolo dot carlini at oracle dot com @ 2010-07-19 10:16 UTC (permalink / raw)
To: gcc-bugs
------- Comment #8 from paolo dot carlini at oracle dot com 2010-07-19 10:15 -------
If you can svn update to a revision pre-breakage and natively test there it
would be great. But really, I just compared unwind-cxx.h to the actual
definitions in eh_arm.cc and the patch seems pretty straightforward to me, I
think we can safely go ahead for mainline. And well, if something is really
wrong we have plenty of time to correct ourselves.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44902
^ permalink raw reply [flat|nested] 14+ messages in thread* [Bug libstdc++/44902] eh_arm.cc:42:23: error: declaration of '__cxxabiv1::__cxa_type_match_result __cxa_type_match(_Unwind_Control_Block*, const std::type_info*, bool, void**)' with C language linkage [-Werror]
2010-07-10 12:18 [Bug libstdc++/44902] New: eh_arm.cc:42:23: error: declaration of '__cxxabiv1::__cxa_type_match_result __cxa_type_match(_Unwind_Control_Block*, const std::type_info*, bool, void**)' with C language linkage [-Werror] John dot Tytgat at aaug dot net
` (7 preceding siblings ...)
2010-07-19 10:16 ` paolo dot carlini at oracle dot com
@ 2010-07-20 8:48 ` mikpe at it dot uu dot se
2010-07-20 8:55 ` rearnsha at gcc dot gnu dot org
` (3 subsequent siblings)
12 siblings, 0 replies; 14+ messages in thread
From: mikpe at it dot uu dot se @ 2010-07-20 8:48 UTC (permalink / raw)
To: gcc-bugs
------- Comment #9 from mikpe at it dot uu dot se 2010-07-20 08:48 -------
I just finished a native bootstrap and libstdc++-only regtest on
arm-linux-gnueabi with the proposed fix for PR44902. The build-time warning is
gone, there were no test suite regressions.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44902
^ permalink raw reply [flat|nested] 14+ messages in thread* [Bug libstdc++/44902] eh_arm.cc:42:23: error: declaration of '__cxxabiv1::__cxa_type_match_result __cxa_type_match(_Unwind_Control_Block*, const std::type_info*, bool, void**)' with C language linkage [-Werror]
2010-07-10 12:18 [Bug libstdc++/44902] New: eh_arm.cc:42:23: error: declaration of '__cxxabiv1::__cxa_type_match_result __cxa_type_match(_Unwind_Control_Block*, const std::type_info*, bool, void**)' with C language linkage [-Werror] John dot Tytgat at aaug dot net
` (8 preceding siblings ...)
2010-07-20 8:48 ` mikpe at it dot uu dot se
@ 2010-07-20 8:55 ` rearnsha at gcc dot gnu dot org
2010-07-20 9:38 ` mikpe at it dot uu dot se
` (2 subsequent siblings)
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From: rearnsha at gcc dot gnu dot org @ 2010-07-20 8:55 UTC (permalink / raw)
To: gcc-bugs
------- Comment #10 from rearnsha at gcc dot gnu dot org 2010-07-20 08:55 -------
The patch looks OK, but should really be posted to gcc-patches for approval.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44902
^ permalink raw reply [flat|nested] 14+ messages in thread* [Bug libstdc++/44902] eh_arm.cc:42:23: error: declaration of '__cxxabiv1::__cxa_type_match_result __cxa_type_match(_Unwind_Control_Block*, const std::type_info*, bool, void**)' with C language linkage [-Werror]
2010-07-10 12:18 [Bug libstdc++/44902] New: eh_arm.cc:42:23: error: declaration of '__cxxabiv1::__cxa_type_match_result __cxa_type_match(_Unwind_Control_Block*, const std::type_info*, bool, void**)' with C language linkage [-Werror] John dot Tytgat at aaug dot net
` (9 preceding siblings ...)
2010-07-20 8:55 ` rearnsha at gcc dot gnu dot org
@ 2010-07-20 9:38 ` mikpe at it dot uu dot se
2010-07-20 9:44 ` paolo at gcc dot gnu dot org
2010-07-20 9:45 ` paolo dot carlini at oracle dot com
12 siblings, 0 replies; 14+ messages in thread
From: mikpe at it dot uu dot se @ 2010-07-20 9:38 UTC (permalink / raw)
To: gcc-bugs
------- Comment #11 from mikpe at it dot uu dot se 2010-07-20 09:37 -------
Patch posted:
http://gcc.gnu.org/ml/libstdc++/2010-07/msg00067.html
http://gcc.gnu.org/ml/gcc/2010-07/msg00293.html
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44902
^ permalink raw reply [flat|nested] 14+ messages in thread* [Bug libstdc++/44902] eh_arm.cc:42:23: error: declaration of '__cxxabiv1::__cxa_type_match_result __cxa_type_match(_Unwind_Control_Block*, const std::type_info*, bool, void**)' with C language linkage [-Werror]
2010-07-10 12:18 [Bug libstdc++/44902] New: eh_arm.cc:42:23: error: declaration of '__cxxabiv1::__cxa_type_match_result __cxa_type_match(_Unwind_Control_Block*, const std::type_info*, bool, void**)' with C language linkage [-Werror] John dot Tytgat at aaug dot net
` (10 preceding siblings ...)
2010-07-20 9:38 ` mikpe at it dot uu dot se
@ 2010-07-20 9:44 ` paolo at gcc dot gnu dot org
2010-07-20 9:45 ` paolo dot carlini at oracle dot com
12 siblings, 0 replies; 14+ messages in thread
From: paolo at gcc dot gnu dot org @ 2010-07-20 9:44 UTC (permalink / raw)
To: gcc-bugs
------- Comment #12 from paolo at gcc dot gnu dot org 2010-07-20 09:44 -------
Subject: Bug 44902
Author: paolo
Date: Tue Jul 20 09:44:01 2010
New Revision: 162328
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=162328
Log:
2010-07-20 Paolo Carlini <paolo.carlini@oracle.com>
* libsupc++/unwind-cxx.h: Minor formatting / stylistic tweaks.
2010-07-20 Mikael Pettersson <mikpe@it.uu.se>
PR libstdc++/44902
* libsupc++/unwind-cxx.h (__cxa_type_match): Correct prototype.
(__cxa_begin_cleanup): Likewise.
Modified:
trunk/libstdc++-v3/ChangeLog
trunk/libstdc++-v3/libsupc++/unwind-cxx.h
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44902
^ permalink raw reply [flat|nested] 14+ messages in thread* [Bug libstdc++/44902] eh_arm.cc:42:23: error: declaration of '__cxxabiv1::__cxa_type_match_result __cxa_type_match(_Unwind_Control_Block*, const std::type_info*, bool, void**)' with C language linkage [-Werror]
2010-07-10 12:18 [Bug libstdc++/44902] New: eh_arm.cc:42:23: error: declaration of '__cxxabiv1::__cxa_type_match_result __cxa_type_match(_Unwind_Control_Block*, const std::type_info*, bool, void**)' with C language linkage [-Werror] John dot Tytgat at aaug dot net
` (11 preceding siblings ...)
2010-07-20 9:44 ` paolo at gcc dot gnu dot org
@ 2010-07-20 9:45 ` paolo dot carlini at oracle dot com
12 siblings, 0 replies; 14+ messages in thread
From: paolo dot carlini at oracle dot com @ 2010-07-20 9:45 UTC (permalink / raw)
To: gcc-bugs
------- Comment #13 from paolo dot carlini at oracle dot com 2010-07-20 09:45 -------
Applied. PS: don't post patches to gcc@.
--
paolo dot carlini at oracle dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
Target Milestone|--- |4.6.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44902
^ permalink raw reply [flat|nested] 14+ messages in thread