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Building 1.9.1 on Debian Lenny - gcc issue

Michal Suchanek

2/5/2009 3:01:00 AM

Hello

While building ruby 1.9.1 on a Debian Lenny box with gcc4.3 (the
default) compiling parse.c might take several minutes on decent
hardware.

This problem happens on multiple x86 and x86_64 boxes for me but does
not happen on Debian gcc maintainer's boxes.

gcc 4.2 works fine for me.

Anybody else sees this problem?

Thanks

Michal
3 Answers

M. Edward (Ed) Borasky

2/5/2009 3:15:00 AM

0

On Wed, Feb 4, 2009 at 7:01 PM, Michal Suchanek <hramrach@centrum.cz> wrote:
> Hello
>
> While building ruby 1.9.1 on a Debian Lenny box with gcc4.3 (the
> default) compiling parse.c might take several minutes on decent
> hardware.
>
> This problem happens on multiple x86 and x86_64 boxes for me but does
> not happen on Debian gcc maintainer's boxes.
>
> gcc 4.2 works fine for me.
>
> Anybody else sees this problem?
>
> Thanks
>
> Michal
>
>

I just built 1.9.1 successfully with gcc 4.3 on openSUSE 11.1 (64-bit
machine). I haven't done much with Lenny recently, although I will
probably download it when it's release and build a virtual machine
with it.

--
M. Edward (Ed) Borasky

I've never met a happy clam. In fact, most of them were pretty steamed.

Michal Suchanek

2/5/2009 3:37:00 AM

0

2009/2/5 M. Edward (Ed) Borasky <znmeb@cesmail.net>:
> On Wed, Feb 4, 2009 at 7:01 PM, Michal Suchanek <hramrach@centrum.cz> wrote:
>> Hello
>>
>> While building ruby 1.9.1 on a Debian Lenny box with gcc4.3 (the
>> default) compiling parse.c might take several minutes on decent
>> hardware.
>>
>> This problem happens on multiple x86 and x86_64 boxes for me but does
>> not happen on Debian gcc maintainer's boxes.
>>
>> gcc 4.2 works fine for me.
>>
>> Anybody else sees this problem?
>>
>> Thanks
>>
>> Michal
>>
>>
>
> I just built 1.9.1 successfully with gcc 4.3 on openSUSE 11.1 (64-bit
> machine). I haven't done much with Lenny recently, although I will
> probably download it when it's release and build a virtual machine
> with it.

It's not that it does not build, it's just that it compiles that
particular file for very long and causes a particular pattern appear
on graphical system monitors that normally appears when something
locks up in a tight loop.

Thanks

Michal

Nobuyoshi Nakada

2/5/2009 3:41:00 AM

0

Hi,

At Thu, 5 Feb 2009 12:01:00 +0900,
Michal Suchanek wrote in [ruby-talk:326944]:
> While building ruby 1.9.1 on a Debian Lenny box with gcc4.3 (the
> default) compiling parse.c might take several minutes on decent
> hardware.

Use optflags=-O3 instead of default -O2.

--
Nobu Nakada