# 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 BLK_SHA1 environment variable to make use of the bundled
+# optimized C SHA1 routine.
#
# Define PPC_SHA1 environment variable when running make to make use of
# a bundled SHA1 routine optimized for PowerPC.