[cfe-users] Building stblibc++ with support for MSAN

[Evgeniy Stepanov]

Try 4.8 branch of gcc. This process is known to work with google/gcc-4.8.
There is no upstream testing of building libstdc++ with clang, and it
is not an officially supported configuration, so it may break from
time to time.


On Fri, Jan 17, 2014 at 12:19 AM, Daniel Mosesson <danmosesson at yahoo.com> wrote:
> I tried to follow the new instructions, and at the last step (make) I get the following error
>
> In file included from ../../libstdc++-v3/libsupc++/eh_aux_runtime.cc:29:
> In file included from /home/daniel/programming/SomeLocalDir/libstdc++-v3/libsupc++/unwind-cxx.h:35:
> /home/daniel/programming/SomeLocalDir/build/include/cstddef:51:11: error: no
>       member named 'max_align_t' in the global namespace
>   using ::max_align_t;
>         ~~^
> 1 error generated.
> make[2]: *** [eh_aux_runtime.lo] Error 1
> make[2]: Leaving directory `/home/daniel/programming/SomeLocalDir/build/libsupc++'
> make[1]: *** [all-recursive] Error 1
> make[1]: Leaving directory `/home/daniel/programming/SomeLocalDir/build'
> make: *** [all] Error 2
>
> Seems like the same issue that I was getting before.
>
> This is with TOT-gcc  4.9.0 20140116 (experimental) and clang version 3.5 (198044)
>
> Any ideas?
>
> Thank you,
> Daniel
> -----Original Message-----
> From: Evgeniy Stepanov [mailto:eugenis at google.com]
> Sent: Thursday, January 16, 2014 5:52 AM
> To: Daniel Mosesson
> Subject: Re: [cfe-users] Building stblibc++ with support for MSAN
>
> This one? Works for me.
> https://code.google.com/p/memory-sanitizer/wiki/InstrumentingLibstdcxx
>
> On Thu, Jan 16, 2014 at 2:25 PM, Daniel Mosesson <danmosesson at yahoo.com> wrote:
>> Are the instructions at the same link?
>> That link seems to be dead now.
>>
>> -----Original Message-----
>> From: Evgeniy Stepanov [mailto:eugenis at google.com]
>> Sent: Thursday, January 16, 2014 3:46 AM
>> To: Alexey Samsonov
>> Cc: Daniel B Mosesson; cfe-users at cs.uiuc.edu
>> Subject: Re: [cfe-users] Building stblibc++ with support for MSAN
>>
>> I've updated build instructions, please see if they work for you.
>>
>>
>> On Thu, Jan 16, 2014 at 10:41 AM, Alexey Samsonov <samsonov at google.com> wrote:
>>> +eugenis
>>>
>>> Evgeniy, are these intructions still relevant?
>>>
>>> On Fri, Jan 3, 2014 at 1:19 AM, Daniel B Mosesson
>>> <dmosess1 at binghamton.edu> wrote:
>>>> How can I build libstdc++ with instrumentation to allow MSAN to work?
>>>> I have attempted to follow the instructions listed at
>>>> https://code.google.com/p/memory-sanitizer/wiki/InstrumentingLibstdc
>>>> xx,
>>>> but there were a few issues:
>>>>
>>>> 1) I had to change the path that is used to find the library
>>>> 2) It could not find ::max_align_t, so I simply defined it to be 16
>>>> 3) "No rule to make target../src/c++11/libc++11convenience.la',
>>>> needed by libstdc++.la"
>>>>
>>>> Could not figure this out.
>>>>
>>>> Any help?
>>>> _______________________________________________
>>>> cfe-users mailing list
>>>> cfe-users at cs.uiuc.edu
>>>> http://lists.cs.uiuc.edu/mailman/listinfo/cfe-users
>>>
>>>
>>>
>>> --
>>> Alexey Samsonov, MSK
>>
>
>
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