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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-08-05 23:13:20 (GMT) |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2009-08-06 02:28:21 (GMT) |
| commit | d7c208a92e6b15cdcd159e30cd1fc0177fd967e9 (patch) | |
| tree | 3b7d2da701bff17012d47ea631e6672c280671db /Makefile | |
| parent | 3f55e4107f7906134df029f9a5c44864f9258110 (diff) | |
| download | git-d7c208a92e6b15cdcd159e30cd1fc0177fd967e9.zip git-d7c208a92e6b15cdcd159e30cd1fc0177fd967e9.tar.gz git-d7c208a92e6b15cdcd159e30cd1fc0177fd967e9.tar.bz2 | |
Add new optimized C 'block-sha1' routines
Based on the mozilla SHA1 routine, but doing the input data accesses a
word at a time and with 'htonl()' instead of loading bytes and shifting.
It requires an architecture that is ok with unaligned 32-bit loads and a
fast htonl().
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 9 |
1 files changed, 9 insertions, 0 deletions
@@ -84,6 +84,10 @@ all:: # specify your own (or DarwinPort's) include directories and # library directories by defining CFLAGS and LDFLAGS appropriately. # +# Define BLK_SHA1 environment variable if you want the C version +# of the SHA1 that assumes you can do unaligned 32-bit loads and +# have a fast htonl() function. +# # Define PPC_SHA1 environment variable when running make to make use of # a bundled SHA1 routine optimized for PowerPC. # @@ -1167,6 +1171,10 @@ ifdef NO_DEFLATE_BOUND BASIC_CFLAGS += -DNO_DEFLATE_BOUND endif +ifdef BLK_SHA1 + SHA1_HEADER = "block-sha1/sha1.h" + LIB_OBJS += block-sha1/sha1.o +else ifdef PPC_SHA1 SHA1_HEADER = "ppc/sha1.h" LIB_OBJS += ppc/sha1.o ppc/sha1ppc.o @@ -1184,6 +1192,7 @@ else endif endif endif +endif ifdef NO_PERL_MAKEMAKER export NO_PERL_MAKEMAKER endif |