[cfe-dev] scan-build failure

[Michael Blumenkrantz]

On Wed, 1 Sep 2010 18:34:40 -0700
Ted Kremenek <kremenek at apple.com> wrote:

> Hi Michael,
> 
> From the error diagnostics it appears that they are coming from Clang when
> httpconnection.c is compiled.  I know you said that GCC is being used as the
> compiler, but that doesn't seem to be the case.
> 
> BTW, are you doing a parallel build?  It appears that url.c is analyzed
> before httpconnection.c, so it is difficult to tell from the log what is
> going on.
> 
Yes, -j2.
> FWIW, all ccc-analyzer does is directly forward the command line arguments to
> your compiler (e.g., gcc), and then calls clang with various analyzer comment
> line options.  If the analyzer fails, however, that shouldn't cause the build
> to fail.  The only reason that ccc-analyzer returns an error code is if the
> compiler it called returned an error code.
> 
> Have you tried building your project with Clang?  (not using scan-build).  I
> suspect that you'll see the same errors, and if so that will at least confirm
> that the build is failing because clang is being used for compilation.
> 
The project compiles fine with both gcc and clang, but fails when using
scan-build.  You can easily check the code out from
http://svn.zentific.com/trunk/Zentific-console/shellinabox and test this
yourself.
> Also, if clang is indeed being used to build your project, I'm not certain
> why scan-build is using clang to actually build your project unless...
> 
>   (a) the 'gcc' in your path is a symlink to clang
> 
> or
>  
>   (b) the environment variable CCC_CC is set to 'clang'
I don't remember which cc I was using in the log that I sent just now, but
neither compiler is able to finish a build when using scan-build.  Required
functions that are detected when not using scan-build are no longer detected
when using scan-build.
> 
> On Aug 31, 2010, at 9:41 PM, Michael Blumenkrantz wrote:
> 
> > Attached are the output for running configure and make with
> > CCC_ANALYZER_VERBOSE set (log.txt) as well as the config.log file.  For
> > whatever reason, when using scan-build it seems to be unable to compile
> > using certain headers.
> 
Checking out the code and testing this yourselves will likely be the fastest
way to solve this, unless it is somehow unique to my system.

-- 
Mike Blumenkrantz
Zentific: Our boolean values are huge.