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From: Junio C Hamano <gitster@pobox.com>
To: "Björn Steinbrink" <B.Steinbrink@gmx.de>
Cc: Alex Riesen <raa.lkml@gmail.com>,
	Guido Ostkamp <git@ostkamp.fastmail.fm>,
	git@vger.kernel.org
Subject: Re: [PATCH] Fix Solaris Workshop Compiler issues
Date: Wed, 14 Nov 2007 16:30:08 -0800	[thread overview]
Message-ID: <7v3av89wq7.fsf@gitster.siamese.dyndns.org> (raw)
In-Reply-To: <20071115001756.GA25021@atjola.homenet> (Björn Steinbrink's message of "Thu, 15 Nov 2007 01:17:56 +0100")

Björn Steinbrink <B.Steinbrink@gmx.de> writes:

> No, just tried with cc: Sun C 5.7 Patch 117837-06 2005/10/05
>
> It's the "struct hack", ie. the incomplete array at the end of
> delta_index. Still looking for a fix/workaround.

Do you mean the "FLEX_ARRAY" thing?

You can ask for FLEX_ARRAY from the command line of your "make"
process.

There is this thing in git-compat-util.h

        #ifndef FLEX_ARRAY
        #if defined(__GNUC__) && (__GNUC__ < 3)
        #define FLEX_ARRAY 0
        #else
        #define FLEX_ARRAY /* empty */
        #endif
        #endif

The sources are written this way:

	struct foo {
        	... other members ...
                char last_member_that_is_flexible[FLEX_ARRAY];
	};

For older gcc, because we know about its lack of support, the
above turns into:

	struct foo {
        	... other members ...
                char last_member_that_is_flexible[0];
        }

But for recent enough compilers that grok the "flexible array
members", the above expands to:

	struct foo {
        	... other members ...
                char last_member_that_is_flexible[];
        }

Maybe your compiler needs -DFLEX_ARRAY=0 in CFLAGS?

  reply	other threads:[~2007-11-15  0:30 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-11-14 20:31 [PATCH] Fix Solaris Workshop Compiler issues Guido Ostkamp
2007-11-14 20:47 ` Alex Riesen
2007-11-14 21:25   ` Junio C Hamano
2007-11-14 23:21     ` Guido Ostkamp
2007-11-14 23:28       ` Alex Riesen
2007-11-15  0:17         ` Björn Steinbrink
2007-11-15  0:30           ` Junio C Hamano [this message]
2007-11-15  0:44             ` Björn Steinbrink
2007-11-15  0:46               ` Junio C Hamano
2007-11-15  0:50                 ` Björn Steinbrink
2007-11-15  1:15                 ` [PATCH] Fix "identifier redeclared" compilation error with SUN cc Björn Steinbrink
2007-11-15 22:00                   ` Guido Ostkamp
2007-11-15 22:15                     ` Junio C Hamano
2007-11-15 22:28                       ` Guido Ostkamp
2007-11-16 18:59                       ` [PATCH] Add mkdtemp() workaround for Sun Solaris 10 Guido Ostkamp
2007-11-17  0:33                         ` [RFH] Solaris portability Junio C Hamano
2007-11-18 12:08                           ` Guido Ostkamp
2007-11-18 17:46                             ` Junio C Hamano
2007-11-16  4:58                   ` [PATCH] Fix "identifier redeclared" compilation error with SUN cc Junio C Hamano
2007-11-16 12:55                     ` Björn Steinbrink
2007-11-19 17:51                     ` Guido Ostkamp
2007-11-20  8:30                       ` Junio C Hamano
2007-11-20 17:28                         ` Guido Ostkamp
2007-11-20 18:06                           ` Guido Ostkamp
2007-11-20 18:26                       ` Martin Mares
2007-11-20 20:08                         ` Junio C Hamano
2007-11-20 20:09                           ` Martin Mares
2007-11-15  0:44             ` [PATCH] Fix Solaris Workshop Compiler issues Linus Torvalds
2007-11-15  1:21               ` David Kastrup
2007-11-15  1:53                 ` Linus Torvalds
2007-11-15  3:27                 ` Junio C Hamano

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