--- David Abrahams <dave at boost-consulting.com> wrote:
> Christoph Ludwig <cludwig at cdc.informatik.tu-darmstadt.de> writes:
>
> > I do not claim the 2 TUs test will cover all possible scenarios. I am not
> even
> > sure this decision should be left to an automated test. Because if the test
> > breaks for some reason then the user is left with a linker error that is
> > time-consuming to track down.
>
> However, at least by the usual hierarchy of values, the sort of
> runtime error that results from the current needless linking with C++
> on ELF/Linux is even worse.
Indeed. A few months ago the current configure behavior lead to a major loss of
our time, probably a whole week between 4-5 people.
The problem was that a Python compiled under RH 8.0 was used to build and run
new C++ extensions under Fedroa Core 3. Some extensions ran OK, others crashed
without warning after running to a certain point. It was very confusing.
To avoid this situation in the future, we permanently added a test to our setup
scripts, comparing the result of ldd python | grep libstdc++ to the
corresponding output for extension modules.
Cheers,
Ralf
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