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kernel/capability.c:135: error: redefinition of ‘warn_deprecated_v2’
kernel/capability.c:72: error: previous definition of ‘warn_deprecated_v2’ was here
kernel/capability.c:153: error: redefinition of ‘cap_validate_magic’
kernel/capability.c:90: error: previous definition of ‘cap_validate_magic’ was here
kernel/capability.c:198: error: redefinition of ‘warn_deprecated_v2’
kernel/capability.c:135: error: previous definition of ‘warn_deprecated_v2’ was here
kernel/capability.c:216: error: redefinition of ‘cap_validate_magic’
kernel/capability.c:153: error: previous definition of ‘cap_validate_magic’ was here
make: *** [kernel/capability.o] Error 1
make: *** [kernel] Error 2
make clean in the source tree if you already have tried compilation
then cp /boot/config /usr/src/linux/.config
or zcat /proc/config.gz /usr/src/linux/.config
to copy the config from your current kernel to the fresh source tree. make oldconfig to configure the new tree using te old config make menuconfig - or whatever you prefer - to configure the kernel the way you want it
then make ...