[Buildroot] [PATCH v2] openpgm: needs host python2

[Baruch Siach <baruch@tkos.co.il>]

Hi Samuel,

On Fri, Apr 11, 2014 at 09:09:12AM +0200, Samuel Martin wrote:
> On Thu, Apr 10, 2014 at 10:16 AM, Baruch Siach <baruch@tkos.co.il> wrote:
> > When BR2_PACKAGE_PYTHON3=y host python symlinks to python3. This breaks the
> > version_generator.py script. Make sure we use the right host python version.
> >
> > We can't use the host installed python for ac_cv_path_PYTHON, but host python
> > might default to python3 in the not so distant future.
> >
> > Fixes:
> > http://autobuild.buildroot.net/results/01f/01f886a073439c0639ed93e596b68bcadf1a5824/
> >
> > Cc: Samuel Martin <s.martin49@gmail.com>
> > Signed-off-by: Baruch Siach <baruch@tkos.co.il>
> > ---
> > Changes v1 -> v2:
> >         * Depend on host-python unconditionally (Samuel Martin)
> >         * Explain in the commit log why not to use the host python
> > ---
> >  package/openpgm/openpgm.mk | 5 ++++-
> >  1 file changed, 4 insertions(+), 1 deletion(-)
> >
> > diff --git a/package/openpgm/openpgm.mk b/package/openpgm/openpgm.mk
> > index 3ec5c77e28c4..a108afea903b 100644
> > --- a/package/openpgm/openpgm.mk
> > +++ b/package/openpgm/openpgm.mk
> > @@ -12,7 +12,10 @@ OPENPGM_LICENSE_FILES = openpgm/pgm/LICENSE
> >  OPENPGM_INSTALL_STAGING = YES
> >  OPENPGM_AUTORECONF = YES
> >  OPENPGM_SUBDIR = openpgm/pgm/
> > +# version_generator.py needs python2
> > +OPENPGM_DEPENDENCIES = host-python
> >  OPENPGM_CONF_ENV = ac_cv_file__proc_cpuinfo=yes ac_cv_file__dev_rtc=no \
> > -                   ac_cv_file__dev_hpet=no
> > +               ac_cv_file__dev_hpet=no \
> > +               ac_cv_path_PYTHON=$(HOST_DIR)/usr/bin/python2
> >
> 
> This works fine, but maybe a patch like [1] is simple enough to avoid
> a hard dependency on host-python.

The print_function feature of __future__ is only available since Python 2.6. 
Should we rely on having such a recent version installed on the host?

baruch

> >  $(eval $(autotools-package))
> > --
> > 1.9.1
> 
> Regards,
> 
> [1] http://pastebin.com/JJerR2uu

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