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build errors on Linux kernel v2.4.0

Hello all,
I have just moved to Linux world from Windows and am trying to develop a tool where I want to use Local APIC timer and Perf Ctr. interrupts. Stealing it from the system didnt work so I want to disable the systems use of APIC on a uniprocesor system, i am trying to achieve this thru deselecting the SMP support option and also the APIC support option in make menuconfig options list, my problem is doing this leads to build errors as below:

/include/asm/hardirq.h:37: warning: `synchronize_irq' redefined
/include/linux/modules/i386_ksyms.ver:84: warning: this is the location of the previous definition
In file included from ksyms.c:17:
/include/linux/kernel_stat.h: In function `kstat_irqs':
include/linux/kernel_stat.h:48: `smp_num_cpus' undeclared (first use in this function) /include/linux/kernel_stat.h:48: (Each undeclared identifier is reported only once
/include/linux/kernel_stat.h:48: for each function it appears in.)
make[2]: *** [ksyms.o] Error 1
make[2]: Leaving directory
make[1]: *** [first_rule] Error 2
make[1]: Leaving directory
make: *** [_dir_kernel] Error 2

I am sure there are ppl who can help me out on this...and am checking my inbox at 60Hz....:).....

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