[cfe-dev] Trouble Using scan-build in Windows 7

Mon Jun 17 21:34:59 PDT 2013

On 18.06.2013 7:39, Lockhart, Jonathan (lockhaja) wrote:
> Anton,
>
> Well earlier today I uninstalled ActiveState perl for Strawberry perl 
> and oddly enough I ran into the same error, "getpwuid function is 
> unimplemented", which means that apparently it isn't just ActiveState 
> perl that causes the problem.
>
> Now I am surprised to hear you are using MinGW and that all I need is 
> the MinGW installation with MSYS. I have that already installed, as I 
> needed it for Eclipse with the C project I am working on, and it is 
> already in my path. I also have the latest version of both llvm and 
> clang from the trunk. I also added scan-build to my path. With all 
> that I am still hitting the error I emailed back today.
>
> Now I have not tried the example you provided so I will give that a 
> shot and be sure to provide it the build folder for clang.exe and see 
> if that takes care of the problem. Only other thing I can figure is 
> that scan-build can't find MinGW on my path though it is there.
>
> I have also checked the MinGW\msys folder, and there is no perl in the 
> bin folder.
Tried to install MinGW from the latest installer 
mingw-get-inst-20120426.exe (http://sourceforge.net/projects/mingw/files/)
Found out that "MinGW Developer Toolkit" component should be selected 
during installation to have perl installed at \MinGW\msys\1.0\bin\

>
> Looks like I still got a bunch of problems left to figure out.
>
> Regards,
> Jon
>
> ------------------------------------------------------------------------
> *From:* Anton Yartsev [anton.yartsev at gmail.com]
> *Sent:* Monday, June 17, 2013 11:09 PM
> *To:* Lockhart, Jonathan (lockhaja)
> *Cc:* Jordan Rose; cfe-dev Developers
> *Subject:* Re: Trouble Using scan-build in Windows 7
>
> On 16.06.2013 20:36, Lockhart, Jonathan (lockhaja) wrote:
>> Anton and Jordon,
>>
>> So I got scan-build to fire off, and when I do it does another 
>> command with perl -S in front of it. Now I did not have perl 
>> originally install on my machine but since have gone and grabbed a 
>> copy of perl and installed it. Now when I run the scan-build command 
>> I get this error:
>>
>> C:\Users\lockhaja\llvm\tools\clang\tools\scan-build>perl -S scan-build
>> The getpwuid function is unimplemented at scan-build line 35.
>>
>> Now Patrik on the LLVM list point out this article to me:
>> http://lists.cs.uiuc.edu/pipermail/cfe-dev/2010-April/008659.html
>>
>> I read through it and believe I may be using the ActiveState perl 
>> which appears not to work with scan-build. This would mean I would 
>> have to go grab another version. I am curious to know if I would have 
>> to perform all this changes that were described further in the 
>> digest, as I am on 7 not XP, and I would feel that the Static 
>> Analyzer has progressed since 2010 and its building on Windows.
>>
>> I would be very interested in knowing your set up Anton.
> Now I see that it was a good idea to try MinGW first :)
> I got the same error "getpwuid function is unimplemented" when tried 
> to launch scan-build with ActiveState perl. Then I switched to perl 
> from my MinGW+MSYS installation, and after little changes in scripts 
> scan-build worked for me. I never tried to launch scan-build with Cygwin.
> Clang repository (http://llvm.org/svn/llvm-project/cfe/trunk) holds 
> the changes, allowing to use scan-build with MinGW+MSYS, since the 
> revision 180905.
>
> Theoretically all you should do to get scan-build work is:
> 1) install MinGW+MSYS, get scan-build from 
> http://llvm.org/svn/llvm-project/cfe/trunk
> 2) add the path to scan-build to your PATH environment variable
> 3) provide --use-analyzer=[Xcode|path to clang] option to scan-build
>
> Here is a random example of how I use scan-build:
> for configuring:
> scan-build -v -v -v -o "./" 
> --use-analyzer=F:/llvm_COMMON/-Eclipse_build-/Release+Asserts/bin/clang.exe 
> ../configure DISABLE_ASSERTIONS=1
>
> for making:
> scan-build -v -v -v -o "./" 
> --use-analyzer=F:/llvm_COMMON/-Eclipse_build-/Release+Asserts/bin/clang.exe 
> make DISABLE_ASSERTIONS=1
>
> -o "./" forces scan-build to put reports to the current folder
> DISABLE_ASSERTIONS=1 is a command passed to the configure/make, not 
> scan-build
>
> Hope that helps.
>
>> Regards,
>> Jon
>>
>> ------------------------------------------------------------------------
>> *From:* Anton Yartsev [anton.yartsev at gmail.com]
>> *Sent:* Thursday, June 06, 2013 9:29 PM
>> *To:* Lockhart, Jonathan (lockhaja)
>> *Cc:* Jordan Rose; cfe-dev Developers
>> *Subject:* Re: Trouble Using scan-build in Windows 7
>>
>> On 07.06.2013 5:24, Anton Yartsev wrote:
>>> Hi  Jonathan,
>>>
>>> To use the scan-build you should get the contents of 
>>> clang\tools\scan-build from Clang sources as Jordan pointed out.
>>> Currently the scan-build script expects the clang executables 
>>> (clang.exe and clang++.exe) to live in ./clang or ./bin/clang
>> mistake, ./ or ./bin
>>> directory relative to directory with the scan-build stuff but you 
>>> can use the --use-analyzer=[Xcode|path to clang] scan-build option 
>>> to tell scan-build where your clang executables live.
>>> The last thing you should do is to add the path to scan-build to 
>>> your PATH and then you should be able to use scan-build as it 
>>> described in http://clang-analyzer.llvm.org/scan-build.html.
>>> Hope I've not missed something.
>>> Feel free to ask and point to problems.
>>>
>>>> No, cfe-dev is the appropriate list for questions. (Or cfe-users, 
>>>> but to be honest we analyzer folks don't follow that list much and 
>>>> you probably wouldn't have gotten an answer there!)
>>>>
>>>> scan-build is not installed with Clang or LLVM; I believe when the 
>>>> analyzer project first began it wasn't clear if everyone would want 
>>>> it as a part of their default install. You can find the executables 
>>>> in tools\scan-build under your Clang source directory (probably 
>>>> llvm\tools\clang.)
>>>>
>>>> I've CC'd Anton Yartsev, who I know has been running scan-build on 
>>>> Windows for some time. (Not sure which version, though.)
>>>> Jordan
>>>>
>>>>
>>>> On Jun 3, 2013, at 14:13 , "Lockhart, Jonathan (lockhaja)" 
>>>> <lockhaja at mail.uc.edu <mailto:lockhaja at mail.uc.edu>> wrote:
>>>>
>>>>> Hello Clang Users and Developers,
>>>>>
>>>>> I apologize in advance if this is going to the wrong email list, 
>>>>> but I thought it would be inappropriate to send it to the dev list.
>>>>>
>>>>> I am currently working on using Clang and LLVM in some research I 
>>>>> am doing. More specifically at this time I am trying to use the 
>>>>> Clang Static Analysis Tool. I have been able to follow the 
>>>>> instructions on the Static Analysis Tool site as well as the LLVM 
>>>>> page for compiling the code with Cmake for use with Visual Studio, 
>>>>> and I have successfully built the system using "ALL_BUILD" as well 
>>>>> as have testing successfully clang by build "clang-test" in visual 
>>>>> studio.
>>>>>
>>>>> With that said I seem to be able to find the bin file from which 
>>>>> all the material from the system was installed. Following the 
>>>>> directions, I would believe it to be located in the \bin directory 
>>>>> under build but it is not there. I have also search my llvm and 
>>>>> build directories with no mention of scan-build being found via 
>>>>> inspection or search.
>>>>>
>>>>> I was wondering if the instructions online were outdated and a 
>>>>> newer process for running the Clang Static Analyzer was now used? 
>>>>> Is the project even still active and worth me using in the 
>>>>> development of my C programs? Is there now a way to use the tool 
>>>>> from an IDE on the code you have written, such as through Eclipse 
>>>>> or Visual Studio?
>>>>>
>>>>> These are the questions I currently have as I am stuck after 
>>>>> building and testing via the instructions found 
>>>>> here:http://clang.llvm.org/get_started.html#build. Any assistance 
>>>>> would be most appreciative.
>>>>>
>>>>> Regards,
>>>>> Jon Lockhart
>>>>> PhD Candidate - EE Systems
>>>>> IEEE Vice President 13/14
>>>>> University of Cincinnati
>>>>> lockhaja at mail.uc.edu <mailto:lockhaja at mail.uc.edu>
>>>>> _______________________________________________
>>>>> cfe-commits mailing list
>>>>> cfe-commits at cs.uiuc.edu <mailto:cfe-commits at cs.uiuc.edu>
>>>>> http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits
>>>>
>>>
>>>
>>> -- 
>>> Anton
>>
>>
>> -- 
>> Anton
>
>
> -- 
> Anton


-- 
Anton

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