On Sunday 23 October 2011 13:34:20 Duncan wrote: > Interestingly enough, unless I've misunderstood, this issue would be > affected by the recent security-based -fPIC/-fPIE on amd64 by default > discussion as well, since if everything (including static libs) were > built with at least -fPIC as required for dynamic linking, then a single > build, linked once each for static and dynamic, as common on x86 (32-bit) > would be at least arguably acceptable. (IOW, my point here isn't to > argue whether that'd be acceptable or not, but rather, that the forced > double-build factor on amd64 is much more an issue than simple double- > linking would be.)
it would be impacted, but not in the way you think. static libs we'd compile with -fPIE while dynamic libs we'd compile with -fPIC. these flags share a lot, but they aren't exactly the same. -fPIE allows a few assumptions over - fPIC which, for some code bases, improves performance. -mike
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