From: Michael Kebe <michael.kebe@gmail.com>
To: "Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
Cc: Git Mailing List <git@vger.kernel.org>,
"Liam R. Howlett" <Liam.Howlett@oracle.com>
Subject: Re: Compile Error v2.13.2 on Solaris SPARC
Date: Mon, 26 Jun 2017 16:00:01 +0200 [thread overview]
Message-ID: <CAKKM46s25LA+ywu_W5fyTaZ-r+3VyURptaa6whZsonzggQV-+g@mail.gmail.com> (raw)
In-Reply-To: <87h8z2dig8.fsf@gmail.com>
Still no luck, with one or both patches.
Greetings
Michael
2017-06-26 14:47 GMT+02:00 Ævar Arnfjörð Bjarmason <avarab@gmail.com>:
>
> On Mon, Jun 26 2017, Michael Kebe jotted:
>
>> No luck with the patch.
>>
>> Still got:
>>
>> CC sha1dc/sha1.o
>> sha1dc/sha1.c:43:58: error: operator '==' has no right operand
>> (defined(_BYTE_ORDER) && (_BYTE_ORDER == _BIG_ENDIAN)) || \
>> ^
>> gmake: *** [sha1dc/sha1.o] Error 1
>
> Does this patch change anything, with or without the previous patch:
>
> diff --git a/git-compat-util.h b/git-compat-util.h
> index 047172d173..1327aea229 100644
> --- a/git-compat-util.h
> +++ b/git-compat-util.h
> @@ -131,6 +131,14 @@
> # else
> # define _XOPEN_SOURCE 500
> # endif
> +
> +/*
> + * Bring in macros defining _BIG_ENDIAN etc. Should be brought in by
> + * the likes of stdio.h, but include it here in case it hasn't been
> + * included already.
> + */
> +#include <sys/isa_defs.h>
> +
> #elif !defined(__APPLE__) && !defined(__FreeBSD__) && !defined(__USLC__) && \
> !defined(_M_UNIX) && !defined(__sgi) && !defined(__DragonFly__) && \
> !defined(__TANDEM) && !defined(__QNX__) && !defined(__MirBSD__) && \
>
>>
>> Greetings
>> Michael
>>
>> 2017-06-26 10:42 GMT+02:00 Ævar Arnfjörð Bjarmason <avarab@gmail.com>:
>>>
>>> On Mon, Jun 26 2017, Michael Kebe jotted:
>>>
>>>> When compiling 2.13.2 on Solaris SPARC I get this error:
>>>>
>>>> CC sha1dc/sha1.o
>>>> sha1dc/sha1.c:41:58: error: operator '==' has no right operand
>>>> #if ((defined(_BYTE_ORDER) && (_BYTE_ORDER == _BIG_ENDIAN)) || \
>>>> ^
>>>> gmake: *** [sha1dc/sha1.o] Error 1
>>>>
>>>> The define _BIG_ENDIAN is set by Solaris on SPARC systems. So the
>>>> check in line 41 gives this error.
>>>>
>>>> The _BIG_ENDIAN define is used few line below for defining
>>>> SHA1DC_BIGENDIAN. This is needed for Solaris SPARC systems.
>>>> See
>>>> https://github.com/cr-marcstevens/sha1collisiondetection/commit/33a694a9ee1b79c24be45f9eab5ac0e1aeeaf271
>>>
>>> I can see why this would error out. In sys/isa_defs.h on SPARC there's
>>> just `#define _BIG_ENDIAN`
>>> (http://src.illumos.org/source/xref/illumos-gate/usr/src/uts/common/sys/isa_defs.h),
>>> and (on Linux):
>>>
>>> $ cat /tmp/test.c
>>> #define _FOO
>>> #define _BAR 1
>>> #if (_BAR == _FOO)
>>> #endif
>>> $ gcc -E /tmp/test.c
>>> # 1 "/tmp/test.c"
>>> # 1 "<built-in>"
>>> # 1 "<command-line>"
>>> # 31 "<command-line>"
>>> # 1 "/usr/include/stdc-predef.h" 1 3 4
>>> # 32 "<command-line>" 2
>>> # 1 "/tmp/test.c"
>>> /tmp/test.c:3:18: error: operator '==' has no right operand
>>> #if (_BAR == _FOO)
>>>
>>> What I don't get is how this would have worked for Liam then (see
>>> 20170613020939.gemh3m5z6czgwmzp@oracle.com). Differences in Solaris
>>> versions and how their headers look like?
>>>
>>> Does this patch fix it for you?
>>>
>>> diff --git a/sha1dc/sha1.c b/sha1dc/sha1.c
>>> index facea1bb56..0b75b31b67 100644
>>> --- a/sha1dc/sha1.c
>>> +++ b/sha1dc/sha1.c
>>> @@ -36,9 +36,11 @@
>>> #undef SHA1DC_BIGENDIAN
>>> #endif
>>>
>>> -#if (defined(_BYTE_ORDER) || defined(__BYTE_ORDER) || defined(__BYTE_ORDER__))
>>> +#if (defined(BYTE_ORDER) || defined(_BYTE_ORDER) || defined(__BYTE_ORDER) || \
>>> + defined(__BYTE_ORDER__))
>>>
>>> -#if ((defined(_BYTE_ORDER) && (_BYTE_ORDER == _BIG_ENDIAN)) || \
>>> +#if ((defined(BYTE_ORDER) && (BYTE_ORDER == BIG_ENDIAN)) || \
>>> + (defined(_BYTE_ORDER) && (_BYTE_ORDER == _BIG_ENDIAN)) || \
>>> (defined(__BYTE_ORDER) && (__BYTE_ORDER == __BIG_ENDIAN)) || \
>>> (defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __BIG_ENDIAN__)) )
>>> #define SHA1DC_BIGENDIAN
>>>
>>> I thought maybe BYTE_ORDER would work after searching the Illumos
>>> sources a bit more:
>>> http://src.illumos.org/source/search?q=BYTE_ORDER&project=illumos-gate
>
next prev parent reply other threads:[~2017-06-26 14:01 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-26 7:32 Compile Error v2.13.2 on Solaris SPARC Michael Kebe
[not found] ` <87lgofcf7r.fsf@gmail.com>
2017-06-26 12:36 ` Michael Kebe
2017-06-26 12:47 ` Ævar Arnfjörð Bjarmason
2017-06-26 14:00 ` Michael Kebe [this message]
2017-06-26 18:31 ` Ævar Arnfjörð Bjarmason
2017-06-26 18:29 ` Liam R. Howlett
[not found] ` <87fuem7aw2.fsf@gmail.com>
2017-06-27 5:41 ` Michael Kebe
2017-06-27 6:28 ` Michael Kebe
2017-06-27 16:28 ` Liam R. Howlett
2017-06-27 17:38 ` Junio C Hamano
2017-06-27 18:29 ` Liam R. Howlett
2017-06-27 18:55 ` Ævar Arnfjörð Bjarmason
2017-06-27 17:59 ` Ævar Arnfjörð Bjarmason
2017-06-27 12:17 ` [PATCH 0/3] update sha1dc from PR #36 Ævar Arnfjörð Bjarmason
2017-06-27 18:37 ` Stefan Beller
2017-06-27 20:33 ` [PATCH v2 " Ævar Arnfjörð Bjarmason
2017-06-27 21:37 ` Junio C Hamano
2017-06-27 21:38 ` Junio C Hamano
2017-06-27 22:24 ` Ævar Arnfjörð Bjarmason
2017-06-28 21:42 ` Ævar Arnfjörð Bjarmason
2017-06-28 22:02 ` Junio C Hamano
2017-06-27 20:33 ` [PATCH v2 1/3] sha1dc: correct endian detection for Solaris (and others?) Ævar Arnfjörð Bjarmason
2017-06-27 20:33 ` [PATCH v2 2/3] sha1dc: optionally use sha1collisiondetection as a submodule Ævar Arnfjörð Bjarmason
2017-06-27 20:33 ` [PATCH v2 3/3] sha1collisiondetection: automatically enable when submodule is populated Ævar Arnfjörð Bjarmason
2017-07-01 22:05 ` [PATCH v3 0/3] Update sha1dc from upstream Ævar Arnfjörð Bjarmason
2017-07-01 22:05 ` [PATCH v3 1/3] sha1dc: update " Ævar Arnfjörð Bjarmason
2017-07-01 22:05 ` [PATCH v3 2/3] sha1dc: optionally use sha1collisiondetection as a submodule Ævar Arnfjörð Bjarmason
2017-07-03 17:11 ` Junio C Hamano
2017-07-03 20:29 ` Ævar Arnfjörð Bjarmason
2017-07-04 17:26 ` Junio C Hamano
2017-07-04 22:50 ` Ævar Arnfjörð Bjarmason
2017-07-05 0:36 ` Stefan Beller
2017-07-05 1:56 ` Junio C Hamano
2017-07-05 17:46 ` Stefan Beller
2017-07-05 18:03 ` Ævar Arnfjörð Bjarmason
2017-07-01 22:05 ` [PATCH v3 3/3] sha1collisiondetection: automatically enable when submodule is populated Ævar Arnfjörð Bjarmason
2017-06-27 12:17 ` [PATCH 1/3] sha1dc: update from my PR #36 Ævar Arnfjörð Bjarmason
2017-06-27 15:22 ` Junio C Hamano
2017-06-27 15:53 ` Junio C Hamano
2017-06-27 18:07 ` Ævar Arnfjörð Bjarmason
2017-06-27 15:55 ` Junio C Hamano
2017-06-27 16:31 ` Liam R. Howlett
2017-06-27 18:11 ` Ævar Arnfjörð Bjarmason
2017-06-27 19:10 ` Junio C Hamano
2017-06-27 19:33 ` Junio C Hamano
2017-06-27 19:35 ` Ævar Arnfjörð Bjarmason
2017-06-27 19:38 ` Junio C Hamano
2017-06-27 19:38 ` Liam R. Howlett
2017-06-27 19:48 ` Junio C Hamano
2017-06-27 18:06 ` Ævar Arnfjörð Bjarmason
2017-06-27 18:12 ` Junio C Hamano
2017-06-27 18:19 ` Ævar Arnfjörð Bjarmason
2017-06-27 20:17 ` Junio C Hamano
2017-06-27 18:23 ` Junio C Hamano
2017-06-27 18:52 ` Ævar Arnfjörð Bjarmason
2017-06-27 12:17 ` [PATCH 2/3] sha1dc: optionally use sha1collisiondetection as a submodule Ævar Arnfjörð Bjarmason
2017-06-27 18:46 ` Stefan Beller
2017-06-27 18:56 ` Ævar Arnfjörð Bjarmason
2017-06-27 12:17 ` [PATCH 3/3] sha1collisiondetection: automatically enable when submodule is populated Ævar Arnfjörð Bjarmason
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