On Tue, Jul 17, 2012 at 9:37 PM, Wander Lairson Costa
<wander.lair...@gmail.com> wrote:
> 2012/7/17 Xiaofan Chen <xiaof...@gmail.com>:
>> I tried two methods configure the library paths but it still
>> does not work.
>> Ref: http://www.netbsd.org/docs/elf.html
>> Ref: http://www.postgresql.org/docs/9.1/static/install-post.html
>>
>> But I think NetBSD support can be later.
>>
>> localhost$ /sbin/ldconfig -m /usr/pkg/lib
>>
>> localhost$ ldconfig -r
>> /var/run/ld.so.hints:
>> search directories: /usr/pkg/lib
>>
>> localhost$ nano /etc/ld.so.conf
>>
>> localhost$ cat /etc/ld.so.conf
>> /usr/pkg/lib
>>
>>
>> localhost$ python2.7
>> Python 2.7.2 (default, Nov 13 2011, 10:50:29)
>> [GCC 4.1.3 20080704 prerelease (NetBSD nb2 20081120)] on netbsd5
>> Type "help", "copyright", "credits" or "license" for more information.
>>>>> import usb.core
>>>>> import usb.util
>>>>> dev=usb.core.find(idVendor=0x04d8)
>> Traceback (most recent call last):
>> File "<stdin>", line 1, in <module>
>> File "/usr/pkg/lib/python2.7/site-packages/usb/core.py", line 856, in find
>> raise ValueError('No backend available')
>> ValueError: No backend available
>>>>> exit()
>>
>
> It feels like some problem with find_library. I gave a look at the
> code and it does not have any particular case for NetBSD. However,
> according to [1] it should work if gcc is installed.
>
> [1] http://bugs.python.org/issue1610795
It seems to me that find_library should work, please refer to the
following run log under NetBSD. But I am not so sure why the
"No Backend available" happens under NetBSD.
localhost$ python2.7
Python 2.7.2 (default, Nov 13 2011, 10:50:29)
[GCC 4.1.3 20080704 prerelease (NetBSD nb2 20081120)] on netbsd5
Type "help", "copyright", "credits" or "license" for more information.
>>> import usb.core
>>> import usb.util
>>> from ctypes import CDLL
>>> c=CDLL('libusb-1.0.so')
>>> c
<CDLL 'libusb-1.0.so', handle bbbef400 at bb645ecc>
>>> c.libusb_init(None)
0
--
Xiaofan
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