make[1]: *** No rule to make target `modules'. Stop.

tjyorkshire · 07-23-2007, 12:28 PM

not sure if this is the right place to put this but,
when trying to compile a module for a wireless adapter (rt2570 from seriamonkey) i have a problem. I run the make command and get this

Code:

make[1]: Entering directory `/usr/src/linux-2.6.18.2-34-obj/i386/default'
make[1]: *** No rule to make target `modules'.  Stop.
make[1]: Leaving directory `/usr/src/linux-2.6.18.2-34-obj/i386/default'
rt2570.ko failed to build!
make: *** [module] Error 1
tom:/home/thomas/Desktop/rt2570-1.1.0-b2/rt2570-1.1.0-b2/Module #

its probably something really simple - any help would be greatly appreciated!
Thanks

Matir · 07-23-2007, 12:59 PM

Do you have the kernel headers installed?

tjyorkshire · 07-23-2007, 02:29 PM

yes,
thats why i'm so confused..

any other ideas?

Matir · 07-23-2007, 02:39 PM

And the kernel headers do match the current kernel version? Otherwise, this should work fine...

tjyorkshire · 07-23-2007, 02:59 PM

ok, how would i make sure that what you have said is correctly installed on my system?

all im relying on is what yast is telling me is installed (using opensuse)

BootLaptop · 07-23-2007, 05:55 PM

When i got this error it was because I issued the command in a directory other than the directory where ndiswrapper was created by the tar command.

tjyorkshire · 07-24-2007, 05:34 AM

hi,
but from what i can see here, it has found the makefile (so i'm issuing "make" in the correct directory) but then get:

Code:

make[1]: *** No rule to make target `modules'.  Stop.

maroonbaboon · 07-24-2007, 10:51 PM

In the Makefile you may find a line like:

KERNEL_SOURCES := /lib/modules/$(shell uname -r)/build

When this is read the $(shell uname -r) part gets changed to whatever the output of the command 'uname -r' is.

Check that there really are kernel header files in that location. If not just edit the Makefile to set the correct location.

bonder · 09-30-2007, 04:15 AM

I'm having a similar problem trying to install the rt73 serialmonkey driver on Ubuntu 7.04. When I run the make command I get the following output:

Code:

make[1]: Entering directory `/lib/modules/2.6.20-16-386/build'
make[1]: *** No rule to make target `modules'.  Stop.
make[1]: Leaving directory '/lib/modules/2.6.20-16-386/build'
rt73.ko failed to build!
make: *** [module] Error 1

As you can see, it's pretty much the same output as in the OP. I have the correct kernel headers installed and I tried editing the make file as maroonbaboon suggested to no avail. I wish I could offer some help, but I'm afraid I'm in the same boat as tjyorkshire.

maroonbaboon · 09-30-2007, 07:27 AM

What did you change the KERNEL_SOURCES line to? Looks like the output of your 'make' command might still be using the uname -r version.

What is in the directory /lib/modules/2.6.20-16-386/build ?

Too bad the o/p did not reply. At the time I had access to an Ubuntu system, but now can't recall the exact setup.

NemoTheBlue · 09-30-2007, 10:18 AM

Hi guys, I'm having exactly the same problem trying to install a NIC driver. I'm something of a noob with Linux, though. What exactly are kernel headers? And what should be the connection between KERNEL_SOURCES and the contents of the /build folder?

By the way, when you say edit the makefile, will I be using vi for that?

Edit: I should mention that I originally got a message saying the /build folder did not exist, but since I thought it was just a target directory I went and mkdir'd it. What should be in there?

bonder · 09-30-2007, 02:37 PM

The KERNEL_SOURCES line of the Makefile originally read:

Code:

ifdef KERNDIR
 KERNEL_SOURCES := $(KERNDIR)
else
 KERNEL_SOURCES := /lib/modules/$(shell uname -r)/build
endif

Edit: That was the state of the Makefile for the output I posted previously

I changed this to:

Code:

ifdef KERNDIR
 KERNEL_SOURCES := $(KERNDIR)
else
 KERNEL_SOURCES := /usr/src/linux-headers-2.6.20-16-386/build
endif

when I tried running make with the modified Makefile, I got pretty much the same output as before:

Code:

make[1]: Entering directory `/usr/src/linux-headers-2.6.20-16-386/build'
make[1]: *** No rule to make target `modules'.  Stop.
make[1]: Leaving directory '/usr/src/linux-headers-2.6.20-16-386/build'
rt73.ko failed to build!
make: *** [module] Error 1

Like NemoTheBlue, I got a message saying that the /build file did not exist (both /lib/modules/2.6.20-16-386/build and /usr/src/linux-headers-2.6.20-16-386/build for the pre- and post-modified Makefile, respectively), so I created them using mkdir. So, both the build folders are empty. Could it be something as simple as I'm missing some packages necessary to do this?

Edit: @NemoTheBlue, you can use whatever text editor you want to edit the Makefile. I used vim, you can use that or gedit, or emacs, or whatever your text editor of choice is.

maroonbaboon · 09-30-2007, 09:19 PM

Quote:

Originally Posted by bonder

So, both the build folders are empty. Could it be something as simple as I'm missing some packages necessary to do this?

Yes, that is definitely your problem! The 'kernel header files' contain descriptions of what's what inside the linux kernel. If you compile a driver it uses these to link up correctly with the kernel.

Exactly the same header files must be used to compile the kernel itself and the drivers it will use.

Many distros provide them as a package, matching whatever kernel the distro provides. If you compile your own kernel, they are part of the kernel source code. When you compile the driver, you need to tell the compiler where to find them, in this case by setting KERNEL_SOURCES correctly.

bonder · 09-30-2007, 10:30 PM

How do I find what packages I need to install? I've run

Code:

sudo apt-get install linux-headers-`uname -r`

and

Code:

sudo aptitude install build-essential linux-headers-`uname -r`

from the command line, but this doesn't change anything.

NemoTheBlue · 10-01-2007, 03:37 AM

Great information so far, everyone. I think it'll go a long way to sorting me out, but not the whole way! My situation's slightly more complicated since the driver I'm trying to build is a NIC driver. My Ubuntu server is completely offline until I get the driver built, so apt-get isn't an option for me. As long as I know my kernel version, can I download the headers on another system, transfer them over and manually install? If that's an option, how would I install them or can they simply be copied into the right directory?