git: 4f79fef1a984 - stable/12 - Enable CRC64 checksums in xz.

From: Dag-Erling Smørgrav <des_at_FreeBSD.org>
Date: Wed, 13 Jul 2022 14:45:26 UTC
The branch stable/12 has been updated by des:

URL: https://cgit.FreeBSD.org/src/commit/?id=4f79fef1a9849baea8f6c3b68bc9eacd25c25e16

commit 4f79fef1a9849baea8f6c3b68bc9eacd25c25e16
Author:     Dag-Erling Smørgrav <des@FreeBSD.org>
AuthorDate: 2022-06-29 20:11:42 +0000
Commit:     Dag-Erling Smørgrav <des@FreeBSD.org>
CommitDate: 2022-07-13 15:59:59 +0000

    Enable CRC64 checksums in xz.
    
    Reviewed by:    imp
    Sponsored by:   Juniper Networks, Inc.
    Sponsored by:   Klara, Inc.
    Differential Revision: https://reviews.freebsd.org/D35668
    
    (cherry picked from commit 038405f32f71ad8ba0280ae066417f986ede79db)
---
 sys/conf/files          | 12 +++++++-----
 sys/modules/xz/Makefile |  2 ++
 2 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/sys/conf/files b/sys/conf/files
index fd82bb859fe0..658df6a0c862 100644
--- a/sys/conf/files
+++ b/sys/conf/files
@@ -624,15 +624,17 @@ contrib/ngatm/netnatm/sig/sig_verify.c optional ngatm_uni \
 	compile-with "${NORMAL_C} -I$S/contrib/ngatm"
 # xz
 dev/xz/xz_mod.c	optional xz \
-	compile-with "${NORMAL_C} -I$S/contrib/xz-embedded/freebsd/ -I$S/contrib/xz-embedded/linux/lib/xz/ -I$S/contrib/xz-embedded/linux/include/linux/"
+	compile-with "${NORMAL_C} -DXZ_USE_CRC64 -I$S/contrib/xz-embedded/freebsd/ -I$S/contrib/xz-embedded/linux/lib/xz/ -I$S/contrib/xz-embedded/linux/include/linux/"
 contrib/xz-embedded/linux/lib/xz/xz_crc32.c	optional xz \
-	compile-with "${NORMAL_C} -I$S/contrib/xz-embedded/freebsd/ -I$S/contrib/xz-embedded/linux/lib/xz/ -I$S/contrib/xz-embedded/linux/include/linux/"
+	compile-with "${NORMAL_C} -DXZ_USE_CRC64 -I$S/contrib/xz-embedded/freebsd/ -I$S/contrib/xz-embedded/linux/lib/xz/ -I$S/contrib/xz-embedded/linux/include/linux/"
+contrib/xz-embedded/linux/lib/xz/xz_crc64.c	optional xz \
+	compile-with "${NORMAL_C} -DXZ_USE_CRC64 -I$S/contrib/xz-embedded/freebsd/ -I$S/contrib/xz-embedded/linux/lib/xz/ -I$S/contrib/xz-embedded/linux/include/linux/"
 contrib/xz-embedded/linux/lib/xz/xz_dec_bcj.c	optional xz \
-	compile-with "${NORMAL_C} -I$S/contrib/xz-embedded/freebsd/ -I$S/contrib/xz-embedded/linux/lib/xz/ -I$S/contrib/xz-embedded/linux/include/linux/"
+	compile-with "${NORMAL_C} -DXZ_USE_CRC64 -I$S/contrib/xz-embedded/freebsd/ -I$S/contrib/xz-embedded/linux/lib/xz/ -I$S/contrib/xz-embedded/linux/include/linux/"
 contrib/xz-embedded/linux/lib/xz/xz_dec_lzma2.c	optional xz \
-	compile-with "${NORMAL_C} -I$S/contrib/xz-embedded/freebsd/ -I$S/contrib/xz-embedded/linux/lib/xz/ -I$S/contrib/xz-embedded/linux/include/linux/"
+	compile-with "${NORMAL_C} -DXZ_USE_CRC64 -I$S/contrib/xz-embedded/freebsd/ -I$S/contrib/xz-embedded/linux/lib/xz/ -I$S/contrib/xz-embedded/linux/include/linux/"
 contrib/xz-embedded/linux/lib/xz/xz_dec_stream.c optional xz \
-	compile-with "${NORMAL_C} -I$S/contrib/xz-embedded/freebsd/ -I$S/contrib/xz-embedded/linux/lib/xz/ -I$S/contrib/xz-embedded/linux/include/linux/"
+	compile-with "${NORMAL_C} -DXZ_USE_CRC64 -I$S/contrib/xz-embedded/freebsd/ -I$S/contrib/xz-embedded/linux/lib/xz/ -I$S/contrib/xz-embedded/linux/include/linux/"
 # Zstd
 contrib/zstd/lib/freebsd/zstd_kmalloc.c		optional zstdio compile-with ${ZSTD_C}
 contrib/zstd/lib/common/zstd_common.c		optional zstdio compile-with ${ZSTD_C}
diff --git a/sys/modules/xz/Makefile b/sys/modules/xz/Makefile
index 100e75094bda..9e3803fc299d 100644
--- a/sys/modules/xz/Makefile
+++ b/sys/modules/xz/Makefile
@@ -7,12 +7,14 @@
 KMOD=	xz
 SRCS= \
 	xz_crc32.c \
+	xz_crc64.c \
 	xz_dec_bcj.c \
 	xz_dec_lzma2.c \
 	xz_dec_stream.c \
 	xz_mod.c
 
 CFLAGS+= \
+	-DXZ_USE_CRC64 \
 	-I${SRCTOP}/sys/contrib/xz-embedded/freebsd \
 	-I${SRCTOP}/sys/contrib/xz-embedded/linux/lib/xz \
 	-I${SRCTOP}/sys/contrib/xz-embedded/linux/include/linux