Subject: Re: [Boost-users] MSVC _SECURE_SCL causes ABI change, ODR violation - mangle library names?
From: Hansi (hansipet_at_[hidden])
Date: 2008-10-10 14:06:16
I think also that it would be really important that also this versions
are build. so everyone can use what he wants . Otherwhise it is really
hard to find errors like this ones...
Best regards
Hansjörg
Jean-Francois Bastien schrieb:
> The _SECURE_SCL macro in Visual Studio's (Dinkumware's) STL changes the
> ABI for standard types, which causes silent ODR violations when Boost
> static libraries and the main program linking with them don't define
> this macro the same way. This problem manifests itself as runtime
> crashes.
>
> There's been discussion before (see links at the end) to solve this by
> using different library names in the build system to distinguish
> different ABIs. The discussions brought up issues:
> - _SECURE_SCL implies a performance cost.
> - _SECURE_SCL might not be conformant with the complexity requirements
> (no clear conclusion was reached on this).
> - Should the compiler's default behaviour be Boost's default (i.e.
> _SECURE_SCL isn't defined)?
> - The Windows version of the Intel compiler has a bug around partial
> function template ordering which can be solved by defining _SECURE_SCL
> to 0.
>
> There's already a Trac issue for this:
> http://svn.boost.org/trac/boost/ticket/2086
>
> Could we reach a consensus on adding this to the library name mangling?
>
> Is it too late for 1.37.0?
>
>
> Thanks,
>
> JF
>
>
> References:
>
> msvc toolset addition stl-security-theater
> http://listarchives.boost.org/boost-build/2008/09/index.php#20072
>
> High Cost of MS "Safe" STL for Release Builds
> http://listarchives.boost.org/boost-build/2008/04/18828.php
>
> System: error_code.cpp #definesmacroswithoutchecking if already defined
> http://listarchives.boost.org/boost-build/2008/04/18754.php
>
> What plans to handle _SCEURE_SCL in the boost build system?
> http://listarchives.boost.org/Archives/boost/2008/04/index.php#136481
>
> Intel compiler - does anyone care?
> http://listarchives.boost.org/Archives/boost/2008/01/index.php#132079
>
> bjam define=_SECURE_SCL shows no effect
> http://listarchives.boost.org/boost-users/2007/05/index.php#27928
>
> Bug/Incompatibility: Visual C++ 2005 checkediteratorslead to major
> crashes
> http://listarchives.boost.org/Archives/boost/2006/06/index.php#106415
>
> vc 8 secure stl/runtime and boost
> http://listarchives.boost.org/boost-users/2005/12/index.php#15843