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

Tue Jun 18 16:31:21 PDT 2013

On 18.06.2013 21:12, Anna Zaks wrote:
> Anton,
>
> Maybe we should add a page describing what it takes to run scan-build 
> on Windows to the static analyzer website?
Sure, I'll see to it.

>
> Cheers,
> Anna.
> On Jun 17, 2013, at 9:34 PM, Anton Yartsev <anton.yartsev at gmail.com 
> <mailto:anton.yartsev at gmail.com>> wrote:
>
>> 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 
>>> fromhttp://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 inhttp://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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>> cfe-dev at cs.uiuc.edu <mailto:cfe-dev at cs.uiuc.edu>
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>


-- 
Anton

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