Cppcheck: Reduction of False Positives: Manual Approach

Stephan Bergmann sbergman at redhat.com
Mon Oct 1 06:52:19 UTC 2018

On 30/09/2018 15:04, Maarten Hoes wrote:
> So, my futile attempt was :
> ./bin/gbuild-to-ide --ide vim --make make
> Which resulted in this:
> Traceback (most recent call last):
>    File "./bin/gbuild-to-ide", line 1664, in <module>
>      gbuildparser = GbuildParser(args.makecmd).parse()
>    File "./bin/gbuild-to-ide", line 83, in __init__
>      self.binpath = os.path.dirname(os.environ['GPERF']) # woha, this is
> quite a hack
>    File "/usr/lib64/python3.6/os.py", line 669, in __getitem__
>      raise KeyError(key) from None
> KeyError: 'GPERF'
> Appearantly, 'gbuild-to-ide' assumes some environment variables are set
> (GPERF, SRCDIR, BUILDDIR, INSTDIR, and WORKDIR), but I cannot determine what
> would be sane/expected values for these variables. Okay,
> SRCDIR/BUILDDIR/INSTDIR seem self-explanatory (but you know what happens
> when we assUme), but what are WORKDIR and GPERF ?

That smells like gbuild-to-ide needs to be run from within gbuild's 
"config_host.mk polluted" environment, which can be done via the "cmd" 
make target, i.e., something like

   make cmd cmd='bin/gbuild-to-ide --ide vim --make make'

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