From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shine Mohamed Jabbar Subject: Re: Error building 'Hello,World' kernel Module Date: Fri, 06 Aug 2004 10:50:46 +0530 Sender: linux-newbie-owner@vger.kernel.org Message-ID: <1091769646.1853.6.camel@shine.naturesoft.com> References: <1091659420.5427.14.camel@bijar.nec-labs.com> <1091683034.1861.13.camel@shine.naturesoft.com> <4112B836.2060703@nec-labs.com> Reply-To: shinemohamed_j@naturesoft.net Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4112B836.2060703@nec-labs.com> List-Id: Content-Type: text/plain; charset="us-ascii" To: Lei Yang Cc: Kernel Newbies Mailing List , linux-newbie@vger.kernel.org On Fri, 2004-08-06 at 04:14, Lei Yang wrote: > Shine Mohamed Jabbar wrote: > > Hi, > > > > I tried ur program in my machine and > > its working fine. > > > > Apart from what u've done I did two more things > > 1) Copied the config file from the /boot to kernel > > source directory and done "make menuconfig" > > I didn't copy anything to kernel source, I just did 'make oldconfig' Thats fine.. > > > 2) Done a make in the kernel source till it compiles > > the first c file (CC init/main.o). (I've done > > because to make a link of include/asm->include/asm-i386). > > Is this really necessary...? I don't know. I didn't do that. I thought > all the information module needed is the kernel configuration. In my case the soft link {KERNEL SRC}/include/asm was not defined. Without that soft link it was not possible to include arch specific header files. So when I did a "make" (for first/one time) that link came automatically (by some scripts). Am I right ? Thanks and Regards, Shine Mohamed Jabbar > > Thanks. > Lei > > > Regards, > > Shine Mohamed Jabbar > > > > On Thu, 2004-08-05 at 04:13, Lei Yang wrote: > > > >>Hello, > >> > >>I am learning about module programming and just tried to build a > >>simplest module, Hello World. > >> > >>The code is as follows: > >>/* hello.c > >>#include > >>#include > >> > >>int init_module(void) > >>{ > >> printk("Hello world!\n"); > >> return 0; > >>} > >> > >>void cleanup_module(void) > >>{ > >> printk(KERN_ALERT "Goodbye world!\n"); > >>} > >> > >> > >>The makefile is just one line: > >> obj-m += hello.o > >> > >>Then as root, I did in the HelloWorld directory: > >> > >>make -C /usr/src/linux-`uname -r` SUBDIRS=$PWD modules > >> > >>There is such an error: > >>make: Entering directory `/usr/src/linux-2.6.5-7.104-default' > >> > >>WARNING: Symbol version dump > >>/usr/src/linux-2.6.5-7.104-default/Module.symvers is missing, modules > >>will have CONFIG_MODVERSIONS disabled. > >> > >>make[1]: *** No rule to make target `/home/lei/HelloWorld/hello.c', > >>needed by `/home/lei/HelloWorld/hello.o'. Stop. > >>make: *** [_module_/home/lei/HelloWorld] Error 2 > >>make: Leaving directory `/usr/src/linux-2.6.5-7.104-default' > >> > >> > >>Appreciate any comments and help! > >> > >>TIA > >>Lei > >> > >> > >> > >>-- > >>Kernelnewbies: Help each other learn about the Linux kernel. > >>Archive: http://mail.nl.linux.org/kernelnewbies/ > >>FAQ: http://kernelnewbies.org/faq/ > >> > >> > > > > > > > > -- > > Kernelnewbies: Help each other learn about the Linux kernel. > > Archive: http://mail.nl.linux.org/kernelnewbies/ > > FAQ: http://kernelnewbies.org/faq/ > > > > -- > Kernelnewbies: Help each other learn about the Linux kernel. > Archive: http://mail.nl.linux.org/kernelnewbies/ > FAQ: http://kernelnewbies.org/faq/ > > - To unsubscribe from this list: send the line "unsubscribe linux-newbie" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.linux-learn.org/faqs