[gmx-developers] Clang static analyzer (scan-build and scan-view)

Schulz, Roland roland.schulz at intel.com
Thu Dec 8 20:51:06 CET 2016


The c++ compiler command has to be c++-analyzer. You either can run "scan-build cmake" (it sets CXX=c++-analyzer)  and not set CMAKE_CXX_COMPILER manually or set it to c++-analyzer.


-----Original Message-----
From: gromacs.org_gmx-developers-bounces at maillist.sys.kth.se [mailto:gromacs.org_gmx-developers-bounces at maillist.sys.kth.se] On Behalf Of Vedran Miletic
Sent: Thursday, December 8, 2016 11:20 AM
To: GROMACS developers <gmx-developers at gromacs.org>
Subject: [gmx-developers] Clang static analyzer (scan-build and scan-view)


I am trying to reproduce Jenkins' Clang static analyzer locally. I have Clang / LLVM latest git installed in /usr/local (for some reason 3.8 that comes with Fedora 24 is unable to compile a simple test, did not look into it further).

Per admin/builds/clang-analyzer.py I do

-DCMAKE_CXX_COMPILER=/usr/local/bin/clang++ ..

and then

$ scan-build make -j8

but never get any warnings. I tried infesting the code with known positives and even calling it from other functions to make sure it doesn't get optimized out, but did not help. I tried setting --use-cc=/usr/local/bin/clang --use-c++=/usr/local/bin/clang++ but did not help. Also, running

$ scan-build clang++ helloworld.cpp

works as expected. Any ideas what I am doing wrong and what I can try?


Vedran Miletić
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