<br><br><div class="gmail_quote">On Mon, Jun 4, 2012 at 9:11 PM, Eric Christopher <span dir="ltr"><<a href="mailto:echristo@apple.com" target="_blank">echristo@apple.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div class="HOEnZb"><div class="h5"><br>
On Jun 4, 2012, at 12:36 AM, Alexey Samsonov <<a href="mailto:samsonov@google.com">samsonov@google.com</a>> wrote:<br>
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> On Sat, Jun 2, 2012 at 2:13 AM, Chandler Carruth <<a href="mailto:chandlerc@google.com">chandlerc@google.com</a>> wrote:<br>
> On Fri, Jun 1, 2012 at 1:53 PM, Eric Christopher <<a href="mailto:echristo@apple.com">echristo@apple.com</a>> wrote:<br>
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> On Jun 1, 2012, at 12:37 PM, Alexey Samsonov <<a href="mailto:samsonov@google.com">samsonov@google.com</a>> wrote:<br>
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> ><br>
> ><br>
> > On Fri, Jun 1, 2012 at 9:58 PM, Eric Christopher <<a href="mailto:echristo@apple.com">echristo@apple.com</a>> wrote:<br>
> ><br>
> > On Jun 1, 2012, at 2:10 AM, Alexey Samsonov <<a href="mailto:samsonov@google.com">samsonov@google.com</a>> wrote:<br>
> ><br>
> > > Hi, cfe-commits!<br>
> > ><br>
> > > This patch improves support for different -g options:<br>
> > > 1) Flags -ggdb{0,2,3}, -gdwarf-{2,3,4} are now supported and translated to "-g" (except -ggdb0).<br>
> > > 2) Flag -gtoggle is supported.<br>
> > > 3) Flags -g[no-]record-gcc-switches and -g[no-]strict-dwarf are supported and ignored.<br>
> > > 4) Flags for alternate debug formats (-gcoff*, -gxcoff*, -gstabs*, -gvms*) are marked as unsupported and produce an error.<br>
> ><br>
> > ... what on earth is -gtoggle for?<br>
> ><br>
> > Or do you mean Clang doesn't need to support this one?<br>
> ><br>
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> I'm ok with it not supporting it. That's just silly. If you've got a use for it I don't necessarily mind though.<br>
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> I see no use for it. Let's not support it, ideally by rejecting it (as it should theoretically have an impact on the output that we won't reproduce.<br>
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> Agree. Marked -gtoggle as unsupported as well. What do you think of -g1/-ggdb1 options? AFAIR, Clang can't emit debug info of that level,<br>
> should we be more strict than just printing "arugment unused during compilation" warning as we do now?<br>
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</div></div>*shrug* We don't support level 3 at the moment or really any of the levels other than 0 (none) and (2) all of it, but no macros. I'd prefer right now just to not support -gLevel so people don't expect things. Just have it as "argument unused".</blockquote>
<div><br></div><div>This is reasonable. Maybe, we can support -g, -g0 and -g2, but produce warnings (or driver errors?) on -g1 and -g3?</div></div><div><br></div>-- <br><div>Alexey Samsonov, MSK</div><br>