On Mon, Apr 24, 2023 at 02:15:04PM -0500, Ben Dilts via Gphoto-devel wrote:
> lsusb gives
> 
> Bus 004 Device 011: ID 04a9:32f4 Canon, Inc. USB3.0 Hub
> gphoto2 --version
> 
> gphoto2 2.5.28 Copyright (c) 2000-2021 Marcus Meissner and others
> gphoto2 comes with NO WARRANTY, to the extent permitted by law. You may
> redistribute copies of gphoto2 under the terms of the GNU General Public
> License. For more information about these matters, see the files named
> COPYING. This version of gphoto2 is using the following software
> versions and options: gphoto2 2.5.28 gcc, popt(m), exif, no cdk, no aa,
> no jpeg, no readline libgphoto2 2.5.30 standard camlibs (SKIPPING
> docupen lumix), gcc, no ltdl, no EXIF libgphoto2_port 0.12.1 iolibs:
> disk ptpip serial, gcc, no ltdl, no EXIF, no USB, serial without locking
> gphoto2 --auto-detect
> 

"no USB" means you built it without USB support.

If you do manual builds of libgphoto2, please install libusb 1 development 
package
before running configure.

And then check the configure end summary if USB enabled.

Ciao, Marcus


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