Re: [ptxdist] Update libusb-1.0

[Martin Lammers <lammers@mwlaser.de>]

Am 28.03.2014 08:41, schrieb Alexander Aring:
> Hi Martin
>
> On Fri, Mar 28, 2014 at 08:12:37AM +0100, Martin Lammers wrote:
>> Hi there,
>>
>> we are using ptxdist 2012.03.0 with the Phytec iMX board. I develop some USB
>> applications with my Ubuntu machine using libusb-1.0.16.
>> In the ptxdist menuconfig i can select the libusb-1.0 to install it on my
>> target system. When i look at the rules files i see this is version 1.0.8.
>> Also in the newest version of ptxdist is the same version.
>> Now my question, what is the right way to update the libusb to version
>> 1.0.18 and it is possible to do that without changing the ptxdist version?
>>
> There exists two libusb variants, the original one "libusb" [0] and
> "libusb-x" [1] a fork of libusb.
>
> The current version of libusb is 1.0.9 and we have indeed 1.0.8. I can
> write a patch to bump this version but we have also a crazy patch for
> libusb 1.0.8:
>
> `cat patches/libusb-1.0.8/libusb-1.0.1-pkg-config.diff`
> Subject: libusb needs librt and libpthread
>
> Add missing dependencies.
>
> Signed-off-by: Robert Schwebel <r.schwebel@pengutronix.de>
>
> ---
> # 20100603 rsc: The patch was closed upstream, and I don't
> #          remember a use case any more :-( Let's keep it
> #          here for the moment, until we have a user.
> # 20100101 rsc: added as http://libusb.org/ticket/24
>
>   libusb-1.0.pc.in |    2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> Index: libusb-1.0.1/libusb-1.0.pc.in
> ===================================================================
> --- libusb-1.0.1.orig/libusb-1.0.pc.in
> +++ libusb-1.0.1/libusb-1.0.pc.in
> @@ -6,6 +6,6 @@ includedir=@includedir@
>   Name: libusb-1.0
>   Description: C API for USB device access from Linux userspace
>   Version: @VERSION@
> -Libs: -L${libdir} -lusb-1.0
> +Libs: -L${libdir} -lusb-1.0 -lrt -lpthread
>   Cflags: -I${includedir}/libusb-1.0
>
>
> Maybe this already fixed in mainline... I will check this.
>
> If you want to use libusb-x you need to generate a new port of this. I
> checked it and they using autotools as buildsystem so a new port would
> be (hopefully) easy.
>
> But it depends which library you want... libusb or libusbx.
>
> - Alex
>
> [0] http://www.libusb.org/
> [1] http://libusbx.sourceforge.net/
>
Hi Alex,

thanks for the fast response. We want to use libusbx version 1.0.18.

Thanks for your help,
best regards

Martin

-- 
mit freundlichen Grüßen/Best regards,

Martin Lammers
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