2.4.2-ac23 compile error in setup.c

[Pfenniger Daniel]

Hi, here is the error message

make[1]: Entering directory `/usr/src/linux-test/linux/arch/i386/kernel'
gcc -D__KERNEL__ -I/usr/src/linux-test/linux/include -Wall -Wstrict-prototypes
-O2 -fomit-frame-pointer -fno-strict-aliasing -pipe -mpreferred-stack-boundary=2
-march=i686    -c -o setup.o setup.c
setup.c: In function `identify_cpu':
setup.c:2280: `tsc_disable' undeclared (first use in this function)
setup.c:2280: (Each undeclared identifier is reported only once
setup.c:2280: for each function it appears in.)
setup.c: In function `get_cpuinfo':
setup.c:2378: warning: unused variable `x86_udelay_tsc'
make[1]: *** [setup.o] Error 1
make[1]: Leaving directory `/usr/src/linux-test/linux/arch/i386/kernel'
make: *** [_dir_arch/i386/kernel] Error 2

	Dan