On Monday 27 July 2009 20:57:28 Ian Jackson wrote:
> Christoph Egger writes ("[PATCH] tools: python portability fixes"):
> > Attached patch applies portability fixes for NetBSD:
>
> Hi. As Keir says, I'm away, but:
> > - remove useless get-path. It is a bash specific script which tries to
> > gain information the build system already has.
> > - make install-wrap work with bourne shell on NetBSD
> > - pass `which $(PYTHON)` to install-wrap. It is safe to assume
> > this always works because in case it doesn't the build system
> > errors out very early in tools/check/check_python
>
> Isn't the effect of this to stop substituting #!/usr/bin/python2.5 (or
> whatever) for #!/usr/bin/python ? In which case it's wrong as I've
> already explained.
No, the effect is this:
When $(PYTHON) is python you get #!/usr/bin/python,
when $(PYTHON) is python2.5 you get #!/usr/bin/python2.5,
when $(PYTHON) is python2.6 you get #!/usr/bin/python2.6,
when $(PYTHON) is /usr/bin/python2.4 you get #!/usr/bin/python2.4,
etc.
When you install python on NetBSD, you don't have a "python"
binary. You always have pythonN.M where N.M is the version number
so you can have multiple python versions installed.
On NetBSD, you actually get #!/usr/pkg/bin/python2.5.
The get-path is a bash specific script which tries to get the information
`which $(PYTHON)` already provides but doesn't work for the case
where "python" doesn't exist.
The current approach is doomed to always fail on NetBSD.
On Linux you have a python symlink to pythonN.M.
Remove the symlink manually, build and install xen with
gmake PYTHON=pythonN.M and you can reproduce the issue on Linux.
The patch fixes it.
Christoph
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