epikao

if I add the mt.h, I get follow errors: ``` mt.h:31:10: error: ‘ABS_MT_LAST’ undeclared here (not in a function) int abs[ABS_MT_LAST - ABS_MT_FIRST + 1]; ^~~~~~~~~~~ mt.h:31:24: error: ‘ABS_MT_FIRST’ undeclared...

phuu :-( I was thinking that I can simply execute this program after compile it... but also simply compile the C-File gives error... I don't have any expirience with load...

I already have tried `apt-get install raspberrypi-kernel-headers` pi@raspberrypi:~ $ apt-cache search linux-headers aufs-dkms - DKMS files to build and install aufs linux-headers-3.10-3-all - All header files for Linux 3.10 (meta-package)...

Already tried both headers, but make always gives follow error: ``` pi@raspberrypi:~/virtual_ctp/virtual_touchscreen-master $ make make -C /lib/modules/`uname -r`/build M=$PWD modules make[1]: *** /lib/modules/4.9.59-v7+/build: No such file or directory. Stop. Makefile:10:...

in the directory I cannot find any "build" named file. after install apt-file, I get no results with apt-file search...: ``` pi@raspberrypi:~/virtual_ctp/virtual_touchscreen-master $ apt-file search /lib/modules/4.9.59-v7+/build pi@raspberrypi:~/virtual_ctp/virtual_touchscreen-master $ ```

> Where do you get the kernel from? Does DKMS work? For example, can you install and use something like v4l2loopback-dkms? it's orginal Raspbian Image (Kernel) from the Raspberry Homepage....

I have the same problem, is there in the meantime a solution available?

can you show me your sketch code?

> Basically - several functions miss 'const' attributes from their arguments. This causes sever issues for architectures which access 'const' variables ( mostly texts) differently then variables. what do you...

@zengcym , I would also be interested in the scheme, and would also pay something for it...