resending- adding the alias. On Mon, Dec 7, 2009 at 2:35 PM, Vikram A <vikram.acco...@gmail.com> wrote:
> hi Deepak, > > Incomplete information, please also specify the workspace you are trying to > build. Also, please share the errors generated. > Putting uname -a in the first mail itself helps alongwith appropriate cat > /etc/release > e.g cat /etc/redhat-release > > I guess it is hotspot in this case, in which case the following would be > relevant. > > Let me try to put some points which might be useful. > (Of course, if you see differences in Erik's comments from mine, he is the > final authority.) > > 1. I haven't yet heard of building a 64 bit VM on a 32 bit, the other way > might still be ok. > My guess is a 64 bit VM will not be able to load correctly on 32 a bit > machine. Copying the libjvm.so will not help, in that case. > It might just see a reference and proceed, but end up loading the 32 bit > VM. > > 2. If you are trying to build on a different kind of machine (crossing the > vm bit length and the machine bit length) and not specifying the ARCH_MODEL > explicitly, please try to do so. > This may give out errors correctly. > > 3. Also as a side note, a 32 bit build should not require link to 64 bit > JVM even as a ALT_BOOTDIR. > > but a 64 bit VM would require atleast 4 libjvm.so. > 32 bit libjvm.so > 32 bit libjvm_g.so > 64 bit libjvm.so > 64 bit libjvm_g.so > > The 64 bit VM does not run on its own, it required a support of 32 bit vm > as well. > It will work something like the last line in pt 1 above. > > 4. >>an adlc utility is run during the compilation, which is of 64 bit, so > cannot be executed on >>the host machine. > Goes back to pt 1. Yes, adlc is architecture dependant and will not run on > 32 bit. > Like I mentioned above the other way, (build 32 bit on a 64 bit ) would > probably be ok. > > > rgds, > Vikram. > > > > > > > On Mon, Dec 7, 2009 at 12:45 PM, Deepak Mathews <deepak2...@gmail.com>wrote: > >> Hi, >> >> Thank you Eric, for your quick reply. >> >> Sorry, I had forgot to mention the platform. >> >> It is Linux. >> >> Thanks. >> Deepak >> >> On Mon, Dec 7, 2009 at 12:16 PM, Erik Trimble <erik.trim...@sun.com>wrote: >> >>> Deepak Mathews wrote: >>> >>>> Hi, >>>> >>>> I am trying to cross compile for x86 64 bit from a x86 32 bit host >>>> machine. >>>> >>>> I am facing a lot of issues in this regard. >>>> >>>> Has anyone been able to successfully do this. >>>> >>>> Why is the target being linked against libjvm.so which is in the >>>> ALT_BOOTDIR on the host system. >>>> Even if i fix that issue by copying libjvm.so from a 64bit JDK, an adlc >>>> utility is run during the compilation, which is of 64 bit, so cannot be >>>> executed on the host machine. >>>> >>>> Thanks. >>>> >>>> Deepak >>>> >>> First off, which platform? Windows? Linux? Solaris? >>> >>> Frankly, I don't think we've ever tried doing Windows 64-bit on a 32-bit >>> platform, and I can't imagine it would really be easy at all. >>> >>> >>> >>> -- >>> Erik Trimble >>> Java System Support >>> Mailstop: usca22-123 >>> Phone: x17195 >>> Santa Clara, CA >>> Timezone: US/Pacific (GMT-0800) >>> >>> >> >
