On Sep 9, 2016, at 10:32, Ken Cunningham <[email protected]>
wrote:
>
> Hi all, thanks in advance for the ongoing education, and I apologize for the
> newbie questions.
>
>
> I'm working on updating a port (hatari) that only builds with python2.7 (or
> more accurately, doesn't build with python35 selected , but does build with
> python27 selected). it uses cmake, and FindPythonInterp to find python.
> <https://cmake.org/cmake/help/v3.0/module/FindPythonInterp.html>
>
> If I ensure "sudo port select python python27" and then build, all goes well.
> if I have python35 selected, the build fails, on SL and on El Cap.
>
> I've pulled my hair out trying to find a portfile command that will force it
> to build with python27 even if the user has previously selected python35.
>
> Here's what I've tried so far, none of which have worked to override the
> user's set python. I know I'm missing something simple.... thanks.
>
> Ken
>
>
>
>
> # port builds with python27 but not 3.5
>
> #configure.python ${prefix}/bin/python2.7
>
> #build.env-append PYTHON=${prefix}/bin/python2.7
> #build.env-append PYTHONEXECUTABLE=${prefix}/bin/python2.7
> #build.env-append PYTHON_EXECUTABLE=${prefix}/bin/python2.7
> #build.env-append PYTHON_VERSION_MAJOR=2
> #build.env-append PYTHON_VERSION_MINOR=7
>
>
> #configure.env-append PYTHON=${prefix}/bin/python2.7
> #configure.env-append PYTHON_EXECUTABLE=${prefix}/bin/python2.7
> #configure.env-append PYTHON_VERSION_MAJOR=2
> #configure.env-append PYTHON_VERSION_MINOR=7
>
>
> #configure.args-append PYTHON_VERSION_MAJOR=2
> #configure.args-append PYTHON_VERSION_MINOR=7
>
>
> but no matter, I get
>
> :info:configure -- Found PythonInterp: /opt/local/bin/python (found version
> "3.5.2")
>
> and the build fails, unless I "sudo port select python python27" first.
You may not be missing anything. I've found cmake to be pretty awful. Maybe try:
configure.args-append -DPYTHON_EXECUTABLE=${prefix}/bin/python2.7
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