I just took stock linux-2.4.22-1.2115.nptl source, ran make mrproper, then copied configs/kernel-2.4.22-athlon.config to .config and ran this command: make oldconfig dep bzImage modules Here's what happened: [...lots of stuff OK, then] gcc32 -D__KERNEL__ -I/usr/src/linux-2.4.22-1.2115.nptl/include -Wall -Wstrict-prototypes -Wno-trigraphs -O2 -fno-strict-aliasing -fno-common -fomit-frame-pointer -pipe -mpreferred-stack-boundary=2 -march=athlon -nostdinc -iwithprefix include -DKBUILD_BASENAME=oprofile_stats -c -o ../../../drivers/oprofile/oprofile_stats.o ../../../drivers/oprofile/oprofile_stats.c rm -f oprofile.o ld -m elf_i386 -r -o oprofile.o init.o timer_int.o ../../../drivers/oprofile/oprof.o ../../../drivers/oprofile/cpu_buffer.o ../../../drivers/oprofile/buffer_sync.o ../../../drivers/oprofile/event_buffer.o ../../../drivers/oprofile/oprofile_files.o ../../../drivers/oprofile/oprofilefs.o ../../../drivers/oprofile/oprofile_stats.o ../../../drivers/oprofile/event_buffer.o(.text+0x0): In function `dcookie_register': : multiple definition of `dcookie_register' ../../../drivers/oprofile/buffer_sync.o(.text+0x0): first defined here ../../../drivers/oprofile/event_buffer.o(.text+0x10): In function `dcookie_unregister': : multiple definition of `dcookie_unregister' ../../../drivers/oprofile/buffer_sync.o(.text+0x10): first defined here make[2]: *** [oprofile.o] Error 1 make[2]: Leaving directory `/usr/src/linux-2.4.22-1.2115.nptl/arch/i386/oprofile' make[1]: *** [first_rule] Error 2 make[1]: Leaving directory `/usr/src/linux-2.4.22-1.2115.nptl/arch/i386/oprofile' m
