On Wed, May 15, 2013 at 5:36 PM, Junio C Hamano <gits...@pobox.com> wrote:
> David Aguilar <dav...@gmail.com> writes:
>
>> Mac OS X 10.8 Mountain Lion prints warnings when building git:
>>
>>       warning: 'SHA1_Init' is deprecated
>>       (declared at /usr/include/openssl/sha.h:121)
>>
>> Silence the warnings by using the CommonCrytpo SHA-1
>> functions for SHA1_Init(), SHA1_Update(), and SHA1_Final().
>>
>> Add a NO_COMMON_DIGEST_FOR_OPENSSL option to the Makefile to allow
>> users to opt out of using this library.  When defined, Git will
>> use OpenSSL instead.
>>
>> COMMON_DIGEST_FOR_OPENSSL is defined to enable the OpenSSL
>> compatibility macros in CommonDigest.h.
>
> This symbol will also cover not just SHA but also HMAC, would it
> make more sense to call it COMMON_CRYPTO_FOR_OPENSSL?  After all,
> that is what Apple calls this library, no?

They call it COMMON_DIGEST_FOR_OPENSSL.  weirdos,
but I guess they mean it's for the digest functions.

Thanks for catching the commit message typo.

>>
>> Helped-by: Eric Sunshine <sunsh...@sunshineco.com>
>> Helped-by: Torsten Bögershausen <tbo...@web.de>
>> Signed-off-by: David Aguilar <dav...@gmail.com>
>> ---
>> Changes since last time:
>>
>> Name the Makefile variable after the #define for consistency.
>>
>>  Makefile | 13 +++++++++++++
>>  1 file changed, 13 insertions(+)
>>
>> diff --git a/Makefile b/Makefile
>> index f698c1a..b0eb949 100644
>> --- a/Makefile
>> +++ b/Makefile
>> @@ -137,6 +137,10 @@ all::
>>  # specify your own (or DarwinPort's) include directories and
>>  # library directories by defining CFLAGS and LDFLAGS appropriately.
>>  #
>> +# Define NO_COMMON_DIGEST_FOR_OPENSSL 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 +1058,9 @@ ifeq ($(uname_S),Darwin)
>>                       BASIC_LDFLAGS += -L/opt/local/lib
>>               endif
>>       endif
>> +     ifndef NO_COMMON_DIGEST_FOR_OPENSSL
>> +             COMMON_DIGEST_FOR_OPENSSL = YesPlease
>> +     endif
>>       NO_REGEX = YesPlease
>>       PTHREAD_LIBS =
>>  endif
>> @@ -1389,10 +1396,16 @@ ifdef PPC_SHA1
>>       LIB_OBJS += ppc/sha1.o ppc/sha1ppc.o
>>       LIB_H += ppc/sha1.h
>>  else
>> +ifdef COMMON_DIGEST_FOR_OPENSSL
>> +     BASIC_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



--
David
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