[Mesa-stable] [Mesa-dev] [PATCH] clover: Prevent Clang from printing number of errors and warnings to stderr.

[Tom Stellard]

On Tue, May 13, 2014 at 01:23:03AM +0200, Francisco Jerez wrote:
> Tom Stellard <thomas.stellard at amd.com> writes:
> 
> > https://bugs.freedesktop.org/show_bug.cgi?id=78581
> >
> > CC: "10.1 10.2" <mesa-stable at lists.freedesktop.org>
> > ---
> >  src/gallium/state_trackers/clover/llvm/invocation.cpp | 4 ++++
> >  1 file changed, 4 insertions(+)
> >
> > diff --git a/src/gallium/state_trackers/clover/llvm/invocation.cpp b/src/gallium/state_trackers/clover/llvm/invocation.cpp
> > index 82e262f..c211a06 100644
> > --- a/src/gallium/state_trackers/clover/llvm/invocation.cpp
> > +++ b/src/gallium/state_trackers/clover/llvm/invocation.cpp
> > @@ -187,6 +187,10 @@ namespace {
> >        c.getLangOpts().NoBuiltin = true;
> >        c.getTargetOpts().Triple = triple;
> >        c.getTargetOpts().CPU = processor;
> > +
> > +      // This prevents Clang from printing the number of warnings and errors
> > +      // to stderr.
> > +      c.getDiagnosticOpts().ShowCarets = false;
> 
> Hm...  Why does 'ShowCarets = true' lead Clang to print errors to
> stderr?
> 

I'm not really sure.  Here is the relevant code in Clang:

https://github.com/llvm-mirror/clang/blob/master/lib/Frontend/CompilerInstance.cpp#L728

-Tom

> >  #if HAVE_LLVM <= 0x0301
> >        c.getInvocation().setLangDefaults(clang::IK_OpenCL);
> >  #else
> > -- 
> > 1.8.1.5




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