[Buildroot] [PATCH 1/2] Makefile.in: add host python2 binary detection

Samuel Martin s.martin49 at gmail.com
Fri May 11 22:50:46 UTC 2012


Hi,

2012/5/12 Arnout Vandecappelle <arnout at mind.be>:
> On 05/08/12 22:45, Samuel Martin wrote:
>>
>>
>> Signed-off-by: Samuel Martin<s.martin49 at gmail.com>
>>
>> diff --git a/package/Makefile.in b/package/Makefile.in
>> index df7042c..84968da 100644
>> --- a/package/Makefile.in
>> +++ b/package/Makefile.in
>> @@ -151,6 +151,18 @@ FLEX:=$(shell which flex || type -p flex)
>>  BISON:=$(shell which bison || type -p bison)
>>  SED:=$(shell which sed || type -p sed) -i -e
>>
>> +PYTHON2:=$(shell \
>> +       which python&>/dev/null&&  \
>> +               python --version 2>&1 | grep -qE 'Python 2\.[6-7]*'&&  \
>> +               which python || \
>> +       which python2&>/dev/null&&  \
>> +               python2 --version 2>&1 | grep -qE 'Python 2\.[6-7]*'&&  \
>> +               which python2 || \
>> +       echo $(HOST_DIR)/usr/bin/python)
>> +HOST_PYTHON2:=$(shell \
>> +       test $(PYTHON2) != $(HOST_DIR)/usr/bin/python || \
>> +       echo host-python)
>> +
>
>
>  This is probably better placed in support/dependencies, using the
> suitable-host-package infrastructure.  Put the PYTHON2 script in
> support/dependencies/check-host-python2.sh, and create a
> support/dependencies/check-host-python2.mk containing:
>
> PYTHON2 := python python2
> PYTHON2 := $(call suitable-host-package,$(PYTHON2))
> ifeq ($(PYTHON2),$(HOST_DIR)/usr/bin/python)
>  HOST_PYTHON2 = host-python
> endif
>
>  Actually, maybe DEP_PYTHON2 is a better name for the dependency.  Or
> NEEDS_PYTHON2.
>
I've never noticed this stuff before.
Looks like exactly what I wanted to do!

Thx for the tip.

>  Regards,
>  Arnout
>
> --
> Arnout Vandecappelle                               arnout at mind be
> Senior Embedded Software Architect                 +32-16-286540
> Essensium/Mind                                     http://www.mind.be
> G.Geenslaan 9, 3001 Leuven, Belgium                BE 872 984 063 RPR Leuven
> LinkedIn profile: http://www.linkedin.com/in/arnoutvandecappelle
> GPG fingerprint:  7CB5 E4CC 6C2E EFD4 6E3D A754 F963 ECAB 2450 2F1F


Cheers,

Sam


More information about the buildroot mailing list