yinshengkai 85f727f232 tools: replace INCDIR to Makefile variable
In the past, header file paths were generated by the incdir command
Now they are generated by concatenating environment variables

In this way, when executing makefile, no shell command will be executed,
it will improve the speed of executing makfile
Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
2022-11-03 19:59:55 +08:00
..

This will eventually hold some general documentation for the IEEE 802.15.4
MAC implementation.

NOTE: Throughout the code, excerpts from the standard are quoted as to make
the code thoroughly readable. I have tried, to always put a reference [1] and
page number.  Below is the references that correspond with the reference number

[1]