I'm using Yocto Warrior 4.19.35 on a Variscite i.MX8M MINI SoM. I need to be able to respond to some interrupt events on GPIO events from userspace. I saw on kernel.org that the sysfs ABI is being deprecated, and the recommendation is to use libgpiod. https://www.kernel.org/doc/html/latest/driver-api/gpio/using-gpio.html
I modified my local.conf file to add libgpiod to IMAGE_INSTALL_append: IMAGE_INSTALL_append = " \ tcf-agent \ openssh-sftp-server \ libgpiod \ " I then ran "bitbake fsl-image-qt5", and programmed the new image onto an SD card. After booting, I can now see "/dev/gpiochip*" as expected. However, gpiod.h does not appear to be installed to /usr/include nore any other directory. Can someone explain what I need to do to correctly deploy libgpiod onto my target? Thanks!
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