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Re: Recent libstdc++ regression on i686-linux: abi/cxx_runtime_only_linkage.cc
Peter Dimov wrote:
The problem, from the point of view of a library such as
boost::shared_ptr, is that there is no way to distinguish between user
A, who just types g++ foo.cpp and expects to get a program that works
well on a typical machine, and user B, who types g++ -march=i386
foo.cpp, with the explicit intent to run the result on a 386.
Maybe "no way" is a tad too strong: now we have
|__GCC_HAVE_SYNC_COMPARE_AND_SWAP_? and more could be added...
Paolo.
|