Re: [Boost-users] Compilation problems with MinGW

Subject: Re: [Boost-users] Compilation problems with MinGW
From: OvermindDL1 (overminddl1_at_[hidden])
Date: 2010-03-14 01:40:23

On Sat, Mar 13, 2010 at 10:16 PM, Benjamin Lau <blwy10v_at_[hidden]> wrote:
> Hello everyone,
>
> I successfully compiled Boost with MinGW (GCC 4.4.0 - it came
> installed with the Qt SDK) with all the settings on, so it has
> generated both dynamic and static libraries, debug and release
> versions, multithreaded and non-multithreaded runtimes etc. I tried to
> compile a small program that uses the serialization library
> (http://www.boost.org/doc/libs/1_42_0/libs/serialization/doc/tutorial.html#simplecase)
> and tried to link it statically with these libraries (in different
> compilations):
>
> libboost_serialization-mgw34-1_40.lib
> libboost_serialization-mgw34-mt-1_40.lib
> libboost_serialization-mgw34-mt-s-1_40.lib
> libboost_serialization-mgw34-mt-s.lib
> libboost_serialization-mgw34-mt.lib
> libboost_serialization-mgw34-s-1_40.lib
> libboost_serialization-mgw34-s.lib
> libboost_serialization-mgw34.lib
>
> Each time I compiled, it would always give me linker errors like so:
>
> undefined reference to `__gxx_personality_sj0'
> undefined reference to `_Unwind_SjLj_Register'
> undefined reference to `_Unwind_SjLj_Unregister'
> undefined reference to `_Unwind_SjLj_Resume'
>
> These are repeated over and over again. The compiler command and flags
> that I use are g++ test.cpp -o test -Ipath/to/boost/include
> path/to/static/library
>
> However, if I compile it with an import library like
> boost_serialization-mgw34.lib I don't get such errors.
>
> Searching online seems to suggest I am missing a compiler flag, but I
> cannot determine which one I am missing. Perhaps my Google-Fu isn't
> strong enough, so if I did miss out something patently obvious that
> could have been found online I offer my due apologies.

You need to enable exception handling.  I have no clue what the GCC
flag for that it, but that is what needs to be done (/Eh ?).  Your
runtime must also have exception handling support (assuming Qt did not
chance anything in the normal runtime build for MingW's GCC, it
should).