[LLVMbugs] [Bug 9232] Remove deprecated/removed scanner arguments from scan-build

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Wed Mar 16 14:13:48 PDT 2011


Ted Kremenek <kremenek at apple.com> changed:

           What    |Removed                     |Added
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED

--- Comment #18 from Ted Kremenek <kremenek at apple.com> 2011-03-16 16:13:47 CDT ---
(In reply to comment #17)
> Created an attachment (id=6324)
 --> (http://llvm.org/bugs/attachment.cgi?id=6324) [details]
> updated diff against TOT

Applied in r127758.

> I'm sorry, I thought that I had tried this with a clean script and it
> still failed. I was especially thrown off by the error, which made it
> seem like '-Xclang' is an unsupported option, when in reality it was
> '-Xclang -o' that got parsed as unknown option. Could you check that
> code-path once more? Is it printing the correct offending arg?

Everything is working fine for me with your patch.

> I did it mostly because I was lazy and it got the job done. That should teach
> me ...

No worries.  If you want to disable --analyzer-display-progress, the way to do
this is to:

1) add an option to scan-build, which sets an environment variable read by
2) ccc-analyzer consults the environment variable to determine if it should not
add -analyzer-display-progress to the clang -cc1 line.

There are numerous examples of this kind of argument passing in scan-build and

> I'd also like to give the user a knob to turn off the (usually benign)
> DeadStore reports. Perhaps I'll get to it later this week.

We recently landed changes in clang to disable/enable specific checks.  We know
need to forward those controls to scan-build.

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