Merge branch 'an/diff-index-doc' into maint

diff --git a/Makefile b/Makefile
index 0f931a203002aec397f8b454f93df9aee97a21ad..11d89a5d272a426e1eab2b0f43b1561cb8141232 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -69,6 +69,9 @@ all::
 # Define NO_MSGFMT_EXTENDED_OPTIONS if your implementation of msgfmt
 # doesn't support GNU extensions like --check and --statistics
 #
+# Define NEEDS_CLIPPED_WRITE if your write(2) cannot write more than
+# INT_MAX bytes at once (e.g. MacOS X).
+#
 # Define HAVE_PATHS_H if you have paths.h and want to use the default PATH
 # it specifies.
 #
@@ -137,6 +140,10 @@ all::
 # specify your own (or DarwinPort's) include directories and
 # library directories by defining CFLAGS and LDFLAGS appropriately.
 #
+# Define NO_APPLE_COMMON_CRYPTO if you are building on Darwin/Mac OS X
+# and do not want to use Apple's CommonCrypto library.  This allows you
+# to provide your own OpenSSL library, for example from MacPorts.
+#
 # Define BLK_SHA1 environment variable to make use of the bundled
 # optimized C SHA1 routine.
 #
@@ -1054,6 +1061,11 @@ ifeq ($(uname_S),Darwin)
                        BASIC_LDFLAGS += -L/opt/local/lib
                endif
        endif
+       ifndef NO_APPLE_COMMON_CRYPTO
+               APPLE_COMMON_CRYPTO = YesPlease
+               COMPAT_CFLAGS += -DAPPLE_COMMON_CRYPTO
+       endif
+       NO_REGEX = YesPlease
        PTHREAD_LIBS =
 endif
 
@@ -1387,11 +1399,17 @@ ifdef PPC_SHA1
        SHA1_HEADER = "ppc/sha1.h"
        LIB_OBJS += ppc/sha1.o ppc/sha1ppc.o
        LIB_H += ppc/sha1.h
+else
+ifdef APPLE_COMMON_CRYPTO
+       COMPAT_CFLAGS += -DCOMMON_DIGEST_FOR_OPENSSL
+       SHA1_HEADER = <CommonCrypto/CommonDigest.h>
 else
        SHA1_HEADER = <openssl/sha.h>
        EXTLIBS += $(LIB_4_CRYPTO)
 endif
 endif
+endif
+
 ifdef NO_PERL_MAKEMAKER
        export NO_PERL_MAKEMAKER
 endif
@@ -1466,6 +1484,11 @@ ifndef NO_MSGFMT_EXTENDED_OPTIONS
        MSGFMT += --check --statistics
 endif
 
+ifdef NEEDS_CLIPPED_WRITE
+       BASIC_CFLAGS += -DNEEDS_CLIPPED_WRITE
+       COMPAT_OBJS += compat/clipped-write.o
+endif
+
 ifneq (,$(XDL_FAST_HASH))
        BASIC_CFLAGS += -DXDL_FAST_HASH
 endif