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al177 / esp8089

Linux kernel module driver for the ESP8089 WiFi chip
GNU General Public License v2.0
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compilation impossible in latest Raspbian, KBUILD is missing #19

Closed voloviq closed 6 years ago

voloviq commented 6 years ago

Hi, I try to compile the latest esp8089 sdio driver in latest raspbian but without success. I got a following error

"Makefile:14: *** Kernel build tree not found - please set KBUILD to configured kernel. Stop."

How can I set KBUILD

Thanks

al177 commented 6 years ago

The Makefile guesses at the kernel header path by looking for the /lib/modules/$(RUNNING_VERSION)/build . The raspberrypi-kernel-headers package should automatically set up a symlink. If you've built your own kernel, you will need to set KBUILD in the shell: KBUILD=/usr/src/my_linux-4.9.0 make all

If you're using the Raspbian packaged kernels, I recommend installing from the DKMS source package in the releases section of this repo or using the make dkms target to register and build this driver with DKMS. You'll need to install packages "dkms" and "raspberrypi-kernel-headers" first.

voloviq commented 6 years ago

Hi, thank for the answer. After investigating Makefile and read Your answer above I check my file structure. Of course, kernel headers were missing. So I simply install it by issue sudo apt-get install raspberrypi-kernel-headers on the command line. So now driver compile as it should. I try to use Your code into bbb Yocto, it will be a bit different but I hope to succeed. I think that this issue can be close. Thanks BR Voloviq