Wireshark · Wireshark-dev: Re: [Wireshark-dev] Wireshark seems to require Python 3.4 or better now ...

[Richard Sharpe <realrichardsharpe@xxxxxxxxx>]

On Sat, Nov 10, 2018 at 12:11 PM Peter Wu <peter@xxxxxxxxxxxxx> wrote:
>
> On Sat, Nov 10, 2018 at 10:05:14AM -0800, Richard Sharpe wrote:
> > On Sat, Nov 10, 2018 at 9:40 AM Pascal Quantin <pascal.quantin@xxxxxxxxx> wrote:
> > >
> > > Hi Richard,
> > >
> > > Le sam. 10 nov. 2018 à 18:33, Richard Sharpe <realrichardsharpe@xxxxxxxxx> a écrit :
> > >>
> > >> Hi folks,
> > >>
> > >> I am running into problems with building the latest Wireshark master
> > >> release on CentOS 7.5.1804.
> > >>
> > >> Wireshark seems to need Python 3.4 or better, and I have Python 3.6
> > >> installed and am using the software collection (scl enable rh-python36
> > >> bash) but cmake 3 does not want to find it.
> > >>
> > >> I get:
> > >>
> > >>    [rsharpe@localhost wireshark-build]$ python -V
> > >>    Python 3.6.3
> > >>    cmake3 ../wireshark-official
> > >>    ...
> > >>    CMake Error at
> > >> /usr/share/cmake3/Modules/FindPackageHandleStandardArgs.cmake:137
> > >> (message):
> > >>      Could NOT find PythonInterp: Found unsuitable version "2.7.5", but required
> > >>      is at least "3.4" (found /usr/bin/python)
> > >>
> > >> Any suggestions?
> > >
> > >
> > > Either clean your build folder, or edit your CMake cache file to remove the PythonInterp entry and force a new search.
> >
> > It was a completely new build dir.
> >
> > In the end, because I imagine the Wireshark build needs a more recent
> > version of Python, but the base platform still needs Python 2.7.5, I
> > went with virtualenv and it seems to have worked.
> >
> >    sudo pip3.6 install virtualenv
> >    virtualenv ./wireshark-master
> >    cd wireshark-master/
> >    source ./bin/activate
> >    cmake3 /path/to/wireshark/source
> >
> > seems to work.
>
> Like Pascal said, clearing PYTHON_EXECUTABLE from your CMakeCache.txt
> was sufficient (you do not have to wipe the full build directory). The
> default /usr/bin/python interpreter is Python 2.7, but CMake will now
> search for python3 first and use that if it is new enough.

Well, I tried doing that also, but no luck. It insists that python
2.7.5 is unsuitable ...

-- 
Regards,
Richard Sharpe
(何以解憂？唯有杜康。--曹操)(传说杜康是酒的发明者)