Patch to fix build breakage with GCC 4.7

[Paul Hohensee]

linux-sparc used to build and run fine (I did the port way back when),
so it should be relatively easy to resurrect.  The original port was on
a T1.

Paul

On 1/31/12 10:23 AM, Deepak Bhole wrote:
> * David Holmes<david.holmes at oracle.com>  [2012-01-30 21:50]:
>> On 31/01/2012 12:36 PM, Deepak Bhole wrote:
>>> * David Holmes<david.holmes at oracle.com>   [2012-01-30 19:57]:
>>>> While gcc compilation on sparc is rare I'm not sure that simply
>>>> deleting the sparc-only option unconditionally is the right thing to
>>>> do.
>>>>
>>> I thought about that too. But I was unable to find info on OpenJDK +
>>> SPARC + Linux. Is that combination even supported? The README doesn't
>>> list it:
>>> http://hg.openjdk.java.net/jdk6/jdk6/raw-file/tip/README-builds.html#MBE
>> Linux-sparc is not one of Oracle's supported OpenJDK platforms.
>> However AFAIK there are people in the community building OpenJDK on
>> Linux-sparc using the Zero interpreter. I don't know if this would
>> affect them but it still seems to me that we should be careful not
>> to break other people's builds.
>>
> Ah fair enough. If it is supported, the patch definitely needs to be
> fixed. I will re-post.
>
> Thanks for taking a look!
>
> Deepak
>
>> David
>> -----
>>
>>> The option seemed more like a relic from Solaris + SPARC config rather
>>> than a requirement for Linux + SPARC.
>>
>>
>>> Cheers,
>>> Deepak
>>>
>>>> David
>>>>
>>>> On 31/01/2012 1:20 AM, Deepak Bhole wrote:
>>>>> Hi,
>>>>>
>>>>> JDK builds currently fail with GCC 4.7 due to its stricter option
>>>>> checking.
>>>>>
>>>>> GCC 4.6 and prior ignored invalid options -- GCC 4.7 does not. Certain
>>>>> files in JDK supply the -mimpure-text option to GCC. This option is only
>>>>> valid on SPARC[1,2]. As a result, GCC 4.7 throws an error during build
>>>>> on Linux (I suppose .
>>>>>
>>>>> This patch removes the option:
>>>>> http://cr.openjdk.java.net/~dbhole/GCC-4.7-JDK8.00
>>>>>
>>>>> 1: http://gcc.gnu.org/onlinedocs/gcc-3.3.6/gcc/SPARC-Options.html
>>>>> 2: http://gcc.gnu.org/onlinedocs/gcc-3.3.6/gcc/i386-and-x86_002d64-Options.html
>>>>>
>>>>> If OK for push, please feel free to do so (I don't have commit access).
>>>>>
>>>>> Cheers,
>>>>> Deepak