CHK include/linux/compile.h UPD include/linux/compile.h CC init/version.o LD init/built-in.o LD .tmp_vmlinux1 arch/i386/crypto/built-in.o(.text+0xd): In function `aes_enc_blk': : undefined reference to `crypto_tfm_ctx_offset' arch/i386/crypto/built-in.o(.text+0xb95): In function `aes_dec_blk': : undefined reference to `crypto_tfm_ctx_offset' arch/i386/crypto/built-in.o(.text+0xb9c): In function `aes_dec_blk': : undefined reference to `crypto_tfm_ctx_offset' collect2: ld returned 1 exit status KSYM .tmp_kallsyms1.S nm: '.tmp_vmlinux1': No such file No valid symbol. make: *** [.tmp_kallsyms1.S] Error 1