It is not currently possible to build the LZ4 code on ARM, so let's remove that option in Kconfig for now. lib/built-in.o: In function `lz4_compress64kctx': lib/lz4/lz4_compress.c:339: undefined reference to `__ctzsi2' lib/built-in.o: In function `lz4_compressctx': lib/lz4/lz4_compress.c:157: undefined reference to `__ctzsi2' lib/built-in.o: In function `lz4hc_commonlength': lib/lz4/lz4hc_compress.c:102: undefined reference to `__ctzsi2' lib/lz4/lz4hc_compress.c:102: undefined reference to `__ctzsi2' lib/built-in.o: In function `lz4hc_insertandgetwidermatch': lib/lz4/lz4hc_compress.c:230: undefined reference to `__ctzsi2' Cc: Chanho Min Cc: Herbert Xu Signed-off-by: Arnd Bergmann --- crypto/Kconfig | 2 ++ 1 file changed, 2 insertions(+) diff --git a/crypto/Kconfig b/crypto/Kconfig index aa3a349..1cd134b 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -1361,6 +1361,7 @@ config CRYPTO_842 config CRYPTO_LZ4 tristate "LZ4 compression algorithm" + depends on !ARM select CRYPTO_ALGAPI select LZ4_COMPRESS select LZ4_DECOMPRESS @@ -1369,6 +1370,7 @@ config CRYPTO_LZ4 config CRYPTO_LZ4HC tristate "LZ4HC compression algorithm" + depends on !ARM select CRYPTO_ALGAPI select LZ4HC_COMPRESS select LZ4_DECOMPRESS -- 1.8.1.2