+libkern/kernel_mach_header.c standard
+
+libkern/zlib/adler32.c optional zlib
+libkern/zlib/compress.c optional zlib
+libkern/zlib/crc32.c optional zlib
+libkern/zlib/deflate.c optional zlib
+#libkern/zlib/gzio.c not needed for kernel optional zlib
+libkern/zlib/infback.c optional zlib
+libkern/zlib/inffast.c optional zlib
+libkern/zlib/inflate.c optional zlib
+libkern/zlib/inftrees.c optional zlib
+libkern/zlib/trees.c optional zlib
+libkern/zlib/uncompr.c optional zlib
+libkern/zlib/zutil.c optional zlib
+
+libkern/crypto/register_crypto.c optional crypto
+libkern/crypto/corecrypto_sha2.c optional crypto allcrypto
+libkern/crypto/corecrypto_sha1.c optional crypto
+libkern/crypto/corecrypto_sha1.c optional ipsec
+libkern/crypto/corecrypto_md5.c optional crypto
+libkern/crypto/corecrypto_md5.c optional networking
+libkern/crypto/corecrypto_des.c optional crypto
+libkern/crypto/corecrypto_aes.c optional crypto
+libkern/crypto/corecrypto_aesxts.c optional crypto
+
+libkern/stack_protector.c standard