Patch to fix build breakage with GCC 4.7

[Andrew Hughes]

----- Original Message -----
> 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.
> 

Yes.  Including people in Fedora and Matthias Klose on Debian.

> 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
> 

-- 
Andrew :)

Free Java Software Engineer
Red Hat, Inc. (http://www.redhat.com)

PGP Key: 248BDC07 (https://keys.indymedia.org/)
Fingerprint = EC5A 1F5E C0AD 1D15 8F1F  8F91 3B96 A578 248B DC07