Is it mandatory to have the name of the makefile as 'Makefile' for kernal module comp

[narender]

Hi.
Is it mandatory to have the name of the makefile as 'Makefile' for kernal module compilation ?

I have written a small kernel module for 2.6 kernel. I have written the make file as required for 2.6, but named the makefile as 'Makefile.2.6'.

When I execute make using the command "make -f Makefile.2.6", Compilation starts and when kbuild has to call my Makefile, instead of calling Makefile.2.6 it calls Makefile (which is available in the same directory, for user space compilation).


Can't I have any userdefined name for my kernel module Makefile like Makefile.2.6

Below is the error log.

make -w -f Makefile.lk.2.6
make: Entering directory `/home/kernel/TOS/code/my_module'
make -C /lib/modules/2.6.18-EP80579_8K/build M=/home/kernel/TOS/code/my_module SUBDIRS=/home/kernel/TOS/code/my_module
make[1]: Entering directory `/usr/src/redhat/BUILD/kernel-2.6.18/linux-2.6.18.i386'
/home/kernel/TOS/code/my_module/Makefile:4: ../LR/make.h: No such file or directory
/home/kernel/TOS/code/my_module/Makefile:5: ../LR/make.rule: No such file or directory
/home/kernel/TOS/code/my_module/Makefile:6: make.h: No such file or directory
make[2]: *** No rule to make target `make.h'. Stop.
make[1]: *** [_module_/home/kernel/TOS/code/my_module] Error 2
make[1]: Leaving directory `/usr/src/redhat/BUILD/kernel-2.6.18/linux-2.6.18.i386'
make: *** [all] Error 2
make: Leaving directory `/home/kernel/TOS/code/future/ipsecv4'
[root@localhost ipsecv4]# vim /lib/modules/2.6.18-EP80579_8K/build/Makefile

Any help will be appreciated.

Thanks in advance.

Regards
Narender

[gerard4143]

If you look at the lines in your make file or my example:

obj-m += test.o

all:
make -C /lib/modules/$(shell uname -r)/build M=$(PWD) modules

clean:
make -C /lib/modules/$(shell uname -r)/build M=$(PWD) clean

and expand them you'll see your calling another makefile at location
make -C /lib/modules/$(shell uname -r)/build

on my system that path would be:

make -C /lib/modules/2.6.27-9-default/build/

where there exists a file called Makefile...Hope this helps...Gerard4143

so is it mandatory to call it Makefile...no...but it probably should be...enter and change at your own peril...