change /usr/src/linux-2.4 to what u r using or do a symlink of ur kernel directory to linux-2.4 or rename your kernel directory to linux-2.4 Eugene <quote sender="William J. Beksi"> > I'm new to kernel programming and am trying to get the example device > driver "scull" from Linux Device Drivers working. I downloaded the example > code from here: http://examples.oreilly.com/linuxdrive2/ > > I'm running Redhat linux with kernel 2.4.20-8. The output from running > gmake is below. Any help would be greatly appreciated. > > thank you, > Bill > > > > wbeksi@asahi:~/programs/drivers/scull$ gmake scull > gcc -Wall -D__KERNEL__ -DMODULE -I/usr/src/linux-2.4/include -O2 -I.. -c > -o main.o main.c > gcc -Wall -D__KERNEL__ -DMODULE -I/usr/src/linux-2.4/include -O2 -I.. -c > -o pipe.o pipe.c > pipe.c: In function `scull_p_read': > pipe.c:155: warning: comparison of distinct pointer types lacks a cast > pipe.c:157: warning: comparison of distinct pointer types lacks a cast > pipe.c: In function `scull_p_write': > pipe.c:202: warning: comparison of distinct pointer types lacks a cast > pipe.c:204: warning: comparison of distinct pointer types lacks a cast > pipe.c:206: warning: comparison of distinct pointer types lacks a cast > gcc -Wall -D__KERNEL__ -DMODULE -I/usr/src/linux-2.4/include -O2 -I.. -c > -o access.o access.c > ld -r main.o pipe.o access.o -o scull.o > gcc scull.o -o scull > /usr/lib/gcc-lib/i386-redhat-linux/3.2.2/../../../crt1.o(.text+0x18): In > function `_start': > ../sysdeps/i386/elf/start.S:77: undefined reference to `main' > scull.o(.text+0x3a): In function `scull_trim': > : undefined reference to `kfree' > scull.o(.text+0x54): In function `scull_trim': > : undefined reference to `kfree' > scull.o(.text+0x91): In function `scull_trim': > : undefined reference to `kfree' > scull.o(.text+0x1f0): In function `scull_create_proc': > : undefined reference to `create_proc_entry' > scull.o(.text+0x21a): In function `scull_remove_proc': > : undefined reference to `remove_proc_entry' > scull.o(.text+0x278): In function `scull_open': > : undefined reference to `__this_module' > scull.o(.text+0x284): In function `scull_open': > : undefined reference to `__this_module' > scull.o(.text+0x2a6): In function `scull_open': > : undefined reference to `__this_module' > scull.o(.text+0x2ac): In function `scull_open': > : undefined reference to `__this_module' > scull.o(.text+0x305): In function `scull_release': > : undefined reference to `__this_module' > scull.o(.text+0x30b): more undefined references to `__this_module' follow > scull.o(.text+0x34b): In function `scull_follow': > : undefined reference to `kmalloc' > scull.o(.text+0x44f): In function `scull_read': > : undefined reference to `__generic_copy_to_user' > scull.o(.text+0x556): In function `scull_write': > : undefined reference to `__generic_copy_from_user' > scull.o(.text+0x5b8): In function `scull_write': > : undefined reference to `kmalloc' > scull.o(.text+0x5e7): In function `scull_write': > : undefined reference to `kmalloc' > scull.o(.text+0x8a2): In function `scull_ioctl': > : undefined reference to `__this_module' > scull.o(.text+0x8ac): In function `scull_ioctl': > : undefined reference to `__this_module' > scull.o(.text+0x8b5): In function `scull_ioctl': > : undefined reference to `__this_module' > scull.o(.text+0x8bf): In function `scull_ioctl': > : undefined reference to `__this_module' > scull.o(.text+0x8c5): In function `scull_ioctl': > : undefined reference to `__this_module' > scull.o(.text+0x8ce): more undefined references to `__this_module' follow > scull.o(.text+0xaf8): In function `scull_cleanup_module': > : undefined reference to `unregister_chrdev' > scull.o(.text+0xb4a): In function `scull_cleanup_module': > : undefined reference to `kfree' > scull.o(.text+0xb83): In function `init_module': > : undefined reference to `__this_module' > scull.o(.text+0xb88): In function `init_module': > : undefined reference to `register_chrdev' > scull.o(.text+0xbc0): In function `init_module': > : undefined reference to `kmalloc' > scull.o(.text+0xc82): In function `init_module': > : undefined reference to `printk' > scull.o(.text+0xd10): In function `.text.lock.KBUILD_BASENAME': > : undefined reference to `__down_failed_interruptible' > scull.o(.text+0xd1a): In function `.text.lock.KBUILD_BASENAME': > : undefined reference to `__up_wakeup' > scull.o(.text+0xd24): In function `.text.lock.KBUILD_BASENAME': > : undefined reference to `__down_failed_interruptible' > scull.o(.text+0xd2e): In function `.text.lock.KBUILD_BASENAME': > : undefined reference to `__up_wakeup' > scull.o(.text+0xd38): In function `.text.lock.KBUILD_BASENAME': > : undefined reference to `__down_failed_interruptible' > scull.o(.text+0xd42): In function `.text.lock.KBUILD_BASENAME': > : undefined reference to `__up_wakeup' > scull.o(.text+0xd4c): In function `.text.lock.KBUILD_BASENAME': > : undefined reference to `__down_failed_interruptible' > scull.o(.text+0xd56): In function `.text.lock.KBUILD_BASENAME': > : undefined reference to `__up_wakeup' > scull.o(.text+0xe0f): In function `scull_p_open': > : undefined reference to `__this_module' > scull.o(.text+0xe15): In function `scull_p_open': > : undefined reference to `__this_module' > scull.o(.text+0xe33): In function `scull_p_open': > : undefined reference to `kmalloc' > scull.o(.text+0xebd): In function `scull_p_release': > : undefined reference to `__this_module' > scull.o(.text+0xec3): In function `scull_p_release': > : undefined reference to `__this_module' > scull.o(.text+0xedb): In function `scull_p_release': > : undefined reference to `kfree' > scull.o(.text+0xf56): In function `scull_p_read': > : undefined reference to `__generic_copy_to_user' > scull.o(.text+0xf9a): In function `scull_p_read': > : undefined reference to `__wake_up' > scull.o(.text+0x102b): In function `scull_p_read': > : undefined reference to `add_wait_queue' > scull.o(.text+0x104a): In function `scull_p_read': > : undefined reference to `schedule' > scull.o(.text+0x1066): In function `scull_p_read': > : undefined reference to `remove_wait_queue' > scull.o(.text+0x1172): In function `scull_p_write': > : undefined reference to `add_wait_queue' > scull.o(.text+0x11ac): In function `scull_p_write': > : undefined reference to `schedule' > scull.o(.text+0x11c9): In function `scull_p_write': > : undefined reference to `remove_wait_queue' > scull.o(.text+0x122f): In function `scull_p_write': > : undefined reference to `__generic_copy_from_user' > scull.o(.text+0x1277): In function `scull_p_write': > : undefined reference to `__wake_up' > scull.o(.text+0x1297): In function `scull_p_write': > : undefined reference to `kill_fasync' > scull.o(.text+0x12f4): In function `scull_p_poll': > : undefined reference to `__pollwait' > scull.o(.text+0x130d): In function `scull_p_poll': > : undefined reference to `__pollwait' > scull.o(.text+0x1350): In function `scull_p_fasync': > : undefined reference to `fasync_helper' > scull.o(.text+0x138c): In function `scull_p_init': > : undefined reference to `__this_module' > scull.o(.text+0x1391): In function `scull_p_init': > : undefined reference to `kmalloc' > scull.o(.text+0x145a): In function `scull_p_cleanup': > : undefined reference to `kfree' > scull.o(.text+0x1475): In function `scull_p_cleanup': > : undefined reference to `kfree' > scull.o(.text+0x1485): In function `.text.lock.KBUILD_BASENAME': > : undefined reference to `__down_failed_interruptible' > scull.o(.text+0x148f): In function `.text.lock.KBUILD_BASENAME': > : undefined reference to `__up_wakeup' > scull.o(.text+0x1499): In function `.text.lock.KBUILD_BASENAME': > : undefined reference to `__up_wakeup' > scull.o(.text+0x14a3): In function `.text.lock.KBUILD_BASENAME': > : undefined reference to `__down_failed' > scull.o(.text+0x14ad): In function `.text.lock.KBUILD_BASENAME': > : undefined reference to `__up_wakeup' > scull.o(.text+0x14b7): In function `.text.lock.KBUILD_BASENAME': > : undefined reference to `__down_failed_interruptible' > scull.o(.text+0x14c1): In function `.text.lock.KBUILD_BASENAME': > : undefined reference to `__up_wakeup' > scull.o(.text+0x14cb): In function `.text.lock.KBUILD_BASENAME': > : undefined reference to `__up_wakeup' > scull.o(.text+0x14d5): In function `.text.lock.KBUILD_BASENAME': > : undefined reference to `__up_wakeup' > scull.o(.text+0x14df): In function `.text.lock.KBUILD_BASENAME': > : undefined reference to `__down_failed_interruptible' > scull.o(.text+0x14e9): In function `.text.lock.KBUILD_BASENAME': > : undefined reference to `__down_failed_interruptible' > scull.o(.text+0x14f3): In function `.text.lock.KBUILD_BASENAME': > : undefined reference to `__up_wakeup' > scull.o(.text+0x14fd): In function `.text.lock.KBUILD_BASENAME': > : undefined reference to `__down_failed_interruptible' > scull.o(.text+0x1507): In function `.text.lock.KBUILD_BASENAME': > : undefined reference to `__up_wakeup' > scull.o(.text+0x1511): In function `.text.lock.KBUILD_BASENAME': > : undefined reference to `__up_wakeup' > scull.o(.text+0x1578): In function `scull_s_open': > : undefined reference to `__this_module' > scull.o(.text+0x157e): In function `scull_s_open': > : undefined reference to `__this_module' > scull.o(.text+0x15a7): In function `scull_s_release': > : undefined reference to `__this_module' > scull.o(.text+0x15ad): In function `scull_s_release': > : undefined reference to `__this_module' > scull.o(.text+0x165e): In function `scull_u_open': > : undefined reference to `__this_module' > scull.o(.text+0x1664): more undefined references to `__this_module' follow > scull.o(.text+0x1730): In function `scull_w_open': > : undefined reference to `interruptible_sleep_on' > scull.o(.text+0x1780): In function `scull_w_open': > : undefined reference to `__this_module' > scull.o(.text+0x1786): In function `scull_w_open': > : undefined reference to `__this_module' > scull.o(.text+0x17c3): In function `scull_w_release': > : undefined reference to `__this_module' > scull.o(.text+0x17c9): In function `scull_w_release': > : undefined reference to `__this_module' > scull.o(.text+0x17e4): In function `scull_w_release': > : undefined reference to `__wake_up' > scull.o(.text+0x1830): In function `scull_c_lookfor_device': > : undefined reference to `kmalloc' > scull.o(.text+0x18f6): In function `scull_c_open': > : undefined reference to `__this_module' > scull.o(.text+0x18fc): In function `scull_c_open': > : undefined reference to `__this_module' > scull.o(.text+0x1919): In function `scull_c_release': > : undefined reference to `__this_module' > scull.o(.text+0x191f): In function `scull_c_release': > : undefined reference to `__this_module' > scull.o(.text+0x19d8): In function `scull_access_init': > : undefined reference to `__this_module' > scull.o(.text+0x19e2): more undefined references to `__this_module' follow > scull.o(.text+0x1a51): In function `scull_access_cleanup': > : undefined reference to `kfree' > scull.o(.text+0x1a6a): In function `scull_access_cleanup': > : undefined reference to `kfree' > scull.o(.data+0x24): undefined reference to `scull_wuser_fops' > collect2: ld returned 1 exit status > gmake: *** [scull] Error 1 > > _________________________________________________________________ > STOP MORE SPAM with the new MSN 8 and get 2 months FREE* > http://join.msn.com/?page=features/junkmail > > -- > 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/
