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-rw-r--r--Makefile9
1 files changed, 9 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index daf4296706..e6df8ecde6 100644
--- a/Makefile
+++ b/Makefile
@@ -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