Get major number in Makefile

[Michael Zhu <mylinuxk@yahoo.ca>]

Hi, smart gurus, I have a question while writing a
Makefile file to install my device driver. In my
device driver I dynamically allocate the major number
of my device. In my Makefile I want to build a device
node for my device under the /dev directory.

   mknod /dev/mydevice c $major 0;

So I need to know the major number of my deivce in the
Makefile. I've read the Linux 'Device Driver'. There
is some information about this. I use the following
command to get the major number in my Makefile.

major=`awk "\\$2==\"$mymodule\" {printf \\$1}"
/proc/devices`

But when I use the 'make install' command to install
my driver, the following error returned.

major=`awk "\\==\"$ymodule\" {printf \\}"
/proc/devices`
awk: 0: unexpected character '\'
awk: line 1: syntax error at or near ==
make: *** [install] Error 2

What is wrong with my command? Can anyone tell me how
to get the major number in Makefile.

Thank you very much.


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