From: "Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
To: git@vger.kernel.org
Cc: "Junio C Hamano" <gitster@pobox.com>,
"Mike Hommey" <mh@glandium.org>,
"brian m . carlson" <sandals@crustytoothpaste.net>,
"Carlo Marcelo Arenas Belón" <carenas@gmail.com>,
"Eric Sunshine" <sunshine@sunshineco.com>,
"Glen Choo" <chooglen@google.com>,
"Eric DeCosta" <edecosta@mathworks.com>,
"Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
Subject: [PATCH v4 6/9] Makefile: document default SHA-256 backend
Date: Wed, 26 Oct 2022 16:56:44 +0200 [thread overview]
Message-ID: <patch-v4-6.9-1e4695d0ba0-20221026T145255Z-avarab@gmail.com> (raw)
In-Reply-To: <cover-v4-0.9-00000000000-20221026T145255Z-avarab@gmail.com>
Since 27dc04c5450 (sha256: add an SHA-256 implementation using
libgcrypt, 2018-11-14) we've claimed to support a BLK_SHA256 flag, but
there's no such SHA-256 backend.
Instead we fall back on adding "sha256/block/sha256.o" to "LIB_OBJS"
and adding "-DSHA256_BLK" to BASIC_CFLAGS.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
---
Makefile | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/Makefile b/Makefile
index 870ecdb0d85..992eba9e0c8 100644
--- a/Makefile
+++ b/Makefile
@@ -513,7 +513,15 @@ include shared.mak
#
# === SHA-256 backend ===
#
-# Define BLK_SHA256 to use the built-in SHA-256 routines.
+# ==== Default SHA-256 backend ====
+#
+# If no *_SHA256 backend is picked we'll fall fall back on using the
+# default.
+#
+# The default SHA-256 backend is shipped with Git. No flag is required
+# to enable it. To select it don't define any other *_SHA256 flag.
+#
+# ==== Other SHA-256 implementations ====
#
# Define NETTLE_SHA256 to use the SHA-256 routines in libnettle.
#
--
2.38.0.1251.g3eefdfb5e7a
next prev parent reply other threads:[~2022-10-26 14:57 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-22 9:53 [PATCH 0/5] core: update our SHA-1 docs, use sha1collisiondetection on OSX too Ævar Arnfjörð Bjarmason
2022-04-22 9:53 ` [PATCH 1/5] Makefile: create and use sections for "define" flag listing Ævar Arnfjörð Bjarmason
2022-04-22 9:53 ` [PATCH 2/5] Makefile: really use and document sha1collisiondetection by default Ævar Arnfjörð Bjarmason
2022-04-22 9:53 ` [PATCH 3/5] Makefile: rephrase the discussion of *_SHA1 knobs Ævar Arnfjörð Bjarmason
2022-04-22 9:53 ` [PATCH 4/5] Makefile + hash.h: remove PPC_SHA1 implementation Ævar Arnfjörð Bjarmason
2022-04-22 9:53 ` [PATCH 5/5] Makefile: use $(OBJECTS) instead of $(C_OBJ) Ævar Arnfjörð Bjarmason
2022-04-22 18:56 ` [PATCH 0/5] core: update our SHA-1 docs, use sha1collisiondetection on OSX too Junio C Hamano
2022-05-19 20:14 ` Ævar Arnfjörð Bjarmason
2022-05-26 19:02 ` Ævar Arnfjörð Bjarmason
2022-10-19 1:03 ` [PATCH v2 0/4] " Ævar Arnfjörð Bjarmason
2022-10-19 1:03 ` [PATCH v2 1/4] fsmonitor OSX: compile with DC_SHA1=YesPlease Ævar Arnfjörð Bjarmason
2022-10-19 1:03 ` [PATCH v2 2/4] Makefile: create and use sections for "define" flag listing Ævar Arnfjörð Bjarmason
2022-10-19 1:03 ` [PATCH v2 3/4] Makefile: really use and document sha1collisiondetection by default Ævar Arnfjörð Bjarmason
2022-10-19 2:59 ` Eric Sunshine
2022-10-19 16:28 ` Junio C Hamano
2022-10-19 18:54 ` Ævar Arnfjörð Bjarmason
2022-10-19 19:43 ` Junio C Hamano
2022-10-19 22:15 ` Junio C Hamano
2022-10-19 22:27 ` Junio C Hamano
2022-10-20 21:15 ` brian m. carlson
2022-10-19 1:03 ` [PATCH v2 4/4] Makefile: rephrase the discussion of *_SHA1 knobs Ævar Arnfjörð Bjarmason
2022-10-20 22:43 ` [PATCH v3 0/9] Makefile & docs: document SHA-{1,256} behavior, fix bug Ævar Arnfjörð Bjarmason
2022-10-20 22:43 ` [PATCH v3 1/9] Makefile: always (re)set DC_SHA1 on fallback Ævar Arnfjörð Bjarmason
2022-10-20 22:43 ` [PATCH v3 2/9] INSTALL: remove discussion of SHA-1 backends Ævar Arnfjörð Bjarmason
2022-10-20 22:43 ` [PATCH v3 3/9] Makefile: correct DC_SHA1 documentation Ævar Arnfjörð Bjarmason
2022-10-20 22:43 ` [PATCH v3 4/9] Makefile: create and use sections for "define" flag listing Ævar Arnfjörð Bjarmason
2022-10-20 22:43 ` [PATCH v3 5/9] Makefile: rephrase the discussion of *_SHA1 knobs Ævar Arnfjörð Bjarmason
2022-10-20 22:43 ` [PATCH v3 6/9] Makefile: document default SHA-256 backend Ævar Arnfjörð Bjarmason
2022-10-20 22:43 ` [PATCH v3 7/9] Makefile: document SHA-1 and SHA-256 default and selection order Ævar Arnfjörð Bjarmason
2022-10-20 22:58 ` Eric Sunshine
2022-10-20 22:43 ` [PATCH v3 8/9] Makefile: document default SHA-1 backend on OSX Ævar Arnfjörð Bjarmason
2022-10-20 23:01 ` Eric Sunshine
2022-10-20 22:43 ` [PATCH v3 9/9] Makefile: discuss SHAttered in *_SHA{1,256} discussion Ævar Arnfjörð Bjarmason
2022-10-26 14:56 ` [PATCH v4 0/9] Makefile & docs: document SHA-{1,256} behavior, fix bug Ævar Arnfjörð Bjarmason
2022-10-26 14:56 ` [PATCH v4 1/9] Makefile: always (re)set DC_SHA1 on fallback Ævar Arnfjörð Bjarmason
2022-10-26 14:56 ` [PATCH v4 2/9] INSTALL: remove discussion of SHA-1 backends Ævar Arnfjörð Bjarmason
2022-10-26 14:56 ` [PATCH v4 3/9] Makefile: correct DC_SHA1 documentation Ævar Arnfjörð Bjarmason
2022-10-26 14:56 ` [PATCH v4 4/9] Makefile: create and use sections for "define" flag listing Ævar Arnfjörð Bjarmason
2022-10-26 14:56 ` [PATCH v4 5/9] Makefile: rephrase the discussion of *_SHA1 knobs Ævar Arnfjörð Bjarmason
2022-10-26 14:56 ` Ævar Arnfjörð Bjarmason [this message]
2022-10-26 14:56 ` [PATCH v4 7/9] Makefile: document SHA-1 and SHA-256 default and selection order Ævar Arnfjörð Bjarmason
2022-10-26 22:30 ` Junio C Hamano
2022-10-26 14:56 ` [PATCH v4 8/9] Makefile: document default SHA-1 backend on OSX Ævar Arnfjörð Bjarmason
2022-10-26 14:56 ` [PATCH v4 9/9] Makefile: discuss SHAttered in *_SHA{1,256} discussion Ævar Arnfjörð Bjarmason
2022-11-07 21:23 ` [PATCH v5 00/10] Makefile, docs & code: document & fix SHA-{1,256} selection behavior Ævar Arnfjörð Bjarmason
2022-11-07 21:23 ` [PATCH v5 01/10] Makefile: always (re)set DC_SHA1 on fallback Ævar Arnfjörð Bjarmason
2022-11-07 21:23 ` [PATCH v5 02/10] INSTALL: remove discussion of SHA-1 backends Ævar Arnfjörð Bjarmason
2022-11-07 21:23 ` [PATCH v5 03/10] Makefile: correct DC_SHA1 documentation Ævar Arnfjörð Bjarmason
2022-11-07 21:23 ` [PATCH v5 04/10] Makefile: create and use sections for "define" flag listing Ævar Arnfjörð Bjarmason
2022-11-07 21:23 ` [PATCH v5 05/10] Makefile: rephrase the discussion of *_SHA1 knobs Ævar Arnfjörð Bjarmason
2022-11-07 21:23 ` [PATCH v5 06/10] Makefile: document default SHA-256 backend Ævar Arnfjörð Bjarmason
2022-11-07 21:23 ` [PATCH v5 07/10] Makefile: document SHA-1 and SHA-256 default and selection order Ævar Arnfjörð Bjarmason
2022-11-07 21:23 ` [PATCH v5 08/10] Makefile & test-tool: replace "DC_SHA1" variable with a "define" Ævar Arnfjörð Bjarmason
2022-11-07 21:23 ` [PATCH v5 09/10] Makefile: document default SHA-1 backend on OSX Ævar Arnfjörð Bjarmason
2022-11-07 21:23 ` [PATCH v5 10/10] Makefile: discuss SHAttered in *_SHA{1,256} discussion Ævar Arnfjörð Bjarmason
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