Patch to fix build breakage with GCC 4.7

[Paul Hohensee]

On, and it's not supported by Oracle, of course.  One of the Linux
distro companies might be interested though.

On 2/1/12 7:12 AM, Paul Hohensee wrote:
> 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