compilation problems with ecj.jar

Tue Jan 16 09:53:00 GMT 2007

On Tue, Jan 16, 2007 at 10:42:36AM +0100, Marco Trudel wrote:
> Marco Trudel wrote:
> >Andrew Haley wrote:
> >>[snip]
> >>
> >> > > Nevertheless, this command does work for me, producing ecjx. It 
> >>needs
> >> > > a lot of memory to compile, though. Perhaps you're running out of
> >> > > memory.
> >> > > Yes, I think you're right. I tried a couple of times and 
> >>sometimes got > "virtual memory exhausted: Cannot allocate memory", 
> >>even if I removed > optimization. How much RAM do you have? I have 
> >>1gb RAM and 2gb swap. I'm > somewhat surprised that that's not enough 
> >>or at least not enough without > optimization...
> >>
> >>The compilation process peaks at about 1.5G of RAM on my system.
> >
> >Strange, how can it then be that 3gb are not enough on mine?
> >
> >[snip]
> >
> >PS: I'll try to compile a static GCJ with ecj.jar on a machine with 10gb 
> >swap. I'll report if that works...
>> So, I tried the compilation on another machine with the mentioned 10gb 
> swap. The same command also fails but with a different message:
>> gcj: Internal error: Segmenation fault (program jc1)
>>> It still has over 8gb free RAM. I then run that failing command with a 
> gcj from a complete compilation (one I built without ecj.jar) and it 
> works without a problem. So it seems that for static compilation, the 
> generated gcj is not yet ready for compiling ecj.jar or is missing some 
> arguments. That would also explain why you can compile it manually.
>> Shall I fill in a bugreport? I assume this is not highest priority ;-)
> BTW,l there are more problems with compiling ecj.jar for 
> cross-compiling. Creating a host-linux, target-windows GCJ will create a 
> ecj.exe what is definitely the wrong thing to do. I'll investigate some 
> more and report that latter...

Where did you got your ecj.jar from?
Michael
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 .''`. | Michael Koch <konqueror@gmx.de>
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