On Fri, Feb 21, 2014 at 4:53 PM, Rafael Espíndola < [email protected]> wrote:
> >> That is probably fine. Note that we always try to make llvm and clang > >> build options be just the default value of a runtime option. Not sure > >> if that would be strictly needed in here since the compile time option > >> would just be what -flto is during link time. > > > > > > Could we just detect whether the linker is gold in the driver? > > > > That would let us: > > > > 1) produce an error if using BFD ld and -flto > > 2) pass the plugin argument safely in all cases where it would be useful > > Current versions of BFD support plugins. Gold (and BFD) can also be > compiled without plugin support, so the detection is not trivial. We > would also have to run the linker twice, no? Once to find if it > supports plugins and then again to actually link. Bleh. That's rather annoying. I don't have any good ideas here (other than "LLD will fix this!" which isn't terribly helpful). I wonder if the current behavior isn't the best default.
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