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List:       openjdk-serviceability-dev
Subject:    Re: RFR: JDK-8224028: loop initial declarations introduced by JDK-8184770 (jdwp)
From:       Ao Qi <aoqi () loongson ! cn>
Date:       2019-05-17 15:11:53
Message-ID: CALjzQn4mRQBF5Tda-7BQpGoWbQFtjtWHLS18SzvN349WEHZjDg () mail ! gmail ! com
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Hi,

Aleksey has helped to push:
http://hg.openjdk.java.net/jdk/jdk/rev/3205f4c40716. Thank you all!

Cheers,
Ao Qi

On Fri, May 17, 2019 at 8:19 AM David Holmes <david.holmes@oracle.com> wrote:
> 
> On 17/05/2019 9:14 am, Martin Buchholz wrote:
> > On Thu, May 16, 2019 at 4:05 PM David Holmes <david.holmes@oracle.com
> > <mailto:david.holmes@oracle.com>> wrote:
> > 
> > On 17/05/2019 8:57 am, Martin Buchholz wrote:
> > > Maybe you just need to ask gcc to use a more modern -std=...
> > > It might reasonably be defaulting to gnu89
> > > 
> > https://stackoverflow.com/questions/14737104/what-is-the-default-c-mode-for-the-current-gcc-especially-on-ubuntu
> >  
> > Yes, but I thought we'd already done this dance. Solaris was setting a
> > flag to use C89 IIRC and we removed it.
> > 
> > 
> > A flag to use C89 is obviously bad if you're using features from a later
> > standard.
> > I was suggesting that you could pass gcc -std=gnu99 or -std= c99 (I
> > would go whole hog to C11)
> 
> Again I thought we had done this dance. We set -std=gnu++98 but that
> only affects .cpp files. We need a similar thing for .c files. I know
> this has been discussed so I'll see if I can dig up the history and find
> out why we didn't do it. I'll file a build bug if needed.
> 
> Cheers,
> David
> 
> 
> > $ gcc -v --help |& grep std=.*' C '
> > -std=c11                    Conform to the ISO 2011 C standard
> > -std=c89                    Conform to the ISO 1990 C standard
> > -std=c90                    Conform to the ISO 1990 C standard
> > -std=c99                    Conform to the ISO 1999 C standard
> > -std=gnu11                  Conform to the ISO 2011 C standard with GNU
> > -std=gnu89                  Conform to the ISO 1990 C standard with GNU
> > -std=gnu90                  Conform to the ISO 1990 C standard with GNU
> > -std=gnu99                  Conform to the ISO 1999 C standard with GNU
> > -std=iso9899:1990           Conform to the ISO 1990 C standard
> > -std=iso9899:199409         Conform to the ISO 1990 C standard as
> > amended in
> > -std=iso9899:1999           Conform to the ISO 1999 C standard
> > -std=iso9899:2011           Conform to the ISO 2011 C standard


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