[cfe-dev] Make standalone-debug default based on glldb tuning
cfe-dev at lists.llvm.org
Fri Apr 12 08:45:47 PDT 2019
> -----Original Message-----
> From: aprantl at apple.com [mailto:aprantl at apple.com]
> Sent: Friday, April 12, 2019 11:21 AM
> To: David Blaikie
> Cc: Clang Dev; Robinson, Paul; Douglas Katzman
> Subject: Re: Make standalone-debug default based on glldb tuning
> > On Apr 12, 2019, at 8:18 AM, David Blaikie <dblaikie at gmail.com> wrote:
> > I realized recently (as folks at Google have started experimenting
> > with LLDB) that the platform default for debugger tuning and the
> > default for -fstandalone-debug are both independent. This seems a bit
> > wrong to me because enabling -glldb doesn't enable -fstandalone-debug.
> > I'm wondering if everyone's on board with removing
> > ToolChain::GetDefaultStandaloneDebug, and using
> > ToolChain::getDefaultDebuggerTuning() to select the default standalone
> > debug state?
> > Then on the command line, I'd kind of expect one to override the
> > other, so things like "-glldb -fno-standalone-debug" is respected
> > (when it comes to hopefully fixing LLDB to cope with standalone debug
> > input).
> > Sound good to everyone? If so I'll make a patch & send it for review.
> > (well, I'll probably work on the patch now anyway)
> Since this doesn't change anything for platforms that default to -glldb,
> I'm fine with this change.
> -- adrian
I'm somewhat surprised LLDB would want -fstandalone-debug, independent
of the target. It would be a source of unnecessary bloat on ELF-using
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