--- David Abrahams email@example.com wrote:
Christoph Ludwig firstname.lastname@example.org writes:
I do not claim the 2 TUs test will cover all possible scenarios. I am not
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.
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