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
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