2012/7/16 Xiaofan Chen <xiaof...@gmail.com>:
> Now that NetBSD and OpenBSD also have libusb-1.0/libusbx
> support along with the legacy libusb-0.1 support. So I would like
> to try out pyusb under NetBSD/OpenBSD as well.
>
> Under NetBSD 5.1.2 release, it seems to me that pyusb can not
> find the backends. I think this is because the libusb-0.1 and
> libusb-1.0 libraries are under /usr/pkg (pkgsrc system).
>
> bash-4.2$ 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,idProduct=0xfa2e)
> 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()
>
> bash-4.2$ pkg-config --libs libusb
> -Wl,-R/usr/pkg/lib -L/usr/pkg/lib -lusb
>
> bash-4.2$ pkg-config --libs libusb-1.0
> -L/usr/pkg/lib -lusb-1.0
>
>
Does the compiler can find the path to the library without pkg-config?
Because PyUSB uses ctypes find_library function, which will search in
system configured paths... Is there some kind of ld.so.conf under
NetBSD to confirm that?
--
Best Regards,
Wander Lairson Costa
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