There are two variants - TNS/E, which uses Itanium, and TNS/X, which is 
x86-64. I'm going for the TNS/X variant because it is the future of the 
platform.

On Friday, 5 June 2020 22:09:09 UTC-4, Gé Weijers wrote:
>
> I thought HPE Nonstop uses the Itanium processor (X64, not X86-64, it's 
> completely unrelated to the common desktop CPU). You'd need to create a new 
> code generator for that platform, and given that it's a VLIW processor that 
> would be a major research project. Endianness is the least of your problems 
> here, code generation for this type of processor is notoriously hard, so it 
> does not surprise me that GCC is not available.
>
> Gé
>
> On Fri, Jun 5, 2020 at 4:02 PM Ian Lance Taylor <ia...@golang.org 
> <javascript:>> wrote:
>
>> On Fri, Jun 5, 2020 at 3:46 PM Randall Becker <the....@gmail.com 
>> <javascript:>> wrote:
>> >
>> > That's actually what I figured. So where do I look to add nsx to the 
>> toolchain?
>>
>> You'll have to fix the linker to generate whatever nsx expects.
>> You'll have to add code to support nsx in the runtime and syscall
>> packages.  Pick which supported OS is most like nsx; let's say it's
>> linux.  Look for *_linux.go and *_linux.s files; you'll need nsx
>> versions of those files.  Look for +build lines in files that say
>> linux; you'll need to add nsx, or write a separate file that works on
>> nsx.
>>
>> It's a lot of work.
>>
>> Ian
>>
>>
>> > On Friday, 5 June 2020 17:03:11 UTC-4, Ian Lance Taylor wrote:
>> >>
>> >> On Fri, Jun 5, 2020 at 12:49 PM Randall Becker <the....@gmail.com> 
>> wrote:
>> >> >
>> >> > Some progress. I've managed to build 1.14.4 using the Windows GO 
>> implementation. The trouble I was having was using cygwin64. After figuring 
>> that part out...
>> >> >
>> >> > I checked out a new branch from release_go1.14 named nonstop_port
>> >> >
>> >> > Then ran
>> >> >
>> >> > GOARCH=amd64 GOOS=nsx bootstrap.bash
>> >> > which failed because I am using cygwin64, but then ran make.bat from 
>> inside ../../go-nsx-amd64-bootstrap
>> >> > That installed a go binary in go-nsx-amd64-bootstrap/bin
>> >> >
>> >> > This still used the whatever compiler it chose to use, presumably 
>> gcc-generated code, but the executable will not run on the NonStop platform 
>> at all. The key here is that I need to use c99 for cross-compilation.
>> >> >
>> >> > Where do I go next, please?
>> >>
>> >> I'm sure how to answer that except to say that you need to add support
>> >> for nsx to the Go toolchain.  The Go toolchain is written in Go, not
>> >> C, so the mention of c99 seems irrelevant.  Your first step is to
>> >> build a Go toolchain that runs on your host system (not your nsx
>> >> system), which you've done.  The second step is to add nsx support to
>> >> the toolchain.  The third step is to run bootstrap.bash.  The fact
>> >> that bootstrap.bash gives you a program that won't run on nsx suggests
>> >> that the second step is not complete.
>> >>
>> >> Ian
>> >>
>> >>
>> >>
>> >> > On Wednesday, 27 May 2020 08:01:17 UTC-4, Randall Becker wrote:
>> >> >>
>> >> >> We've gotten nowhere on this despite trying. Installing GO on 
>> windows went fine, based on what Ian suggested, but specifying GOOS=nsx 
>> fails immediately as being unrecognized (rather obvious). The archictture 
>> is not a powerPC, so I'm not sure why I would start there - it is a 
>> big-endian x86.
>> >> >>
>> >> >> On Wednesday, 13 May 2020 11:33:00 UTC-4, Bruno Albuquerque wrote:
>> >> >>>
>> >> >>> Now you create your branch or whatever of the Go code and start 
>> porting it to your platform. As a first step, you will probably want to add 
>> the new nsx GOOS. Then you use your go1.14.2 installation to compile it 
>> (with bootstarp.sh) setting GOOS=nsx for cross compiling. Something like 
>> this:
>> >> >>>
>> >> >>> GOOS=nsx GOARCH=ppc64 bootstrap.bash
>> >> >>>
>> >> >>> That will not work at first. Now you have to make it work, which 
>> *IS* the porting process.
>> >> >>>
>> >> >>> Eventually you will be able to compile everything and generate a 
>> go toolchain for your platform. At that point you will copy the generated 
>> files to the target platform and test it.
>> >> >>>
>> >> >>> That will most likely fail in your first attempt. Then go back, 
>> fix what you think is broken and try again.
>> >> >>>
>> >> >>> On Wed, May 13, 2020 at 8:11 AM Randall Becker <the....@gmail.com> 
>> wrote:
>> >> >>>>
>> >> >>>>
>> >> >>>>
>> >> >>>> On Tuesday, 12 May 2020 20:02:01 UTC-4, Ian Lance Taylor wrote:
>> >> >>>>>
>> >> >>>>> On Tue, May 12, 2020 at 2:17 PM Randall Becker <
>> the....@gmail.com> wrote:
>> >> >>>>> >
>> >> >>>>> > On Tuesday, 12 May 2020 16:55:54 UTC-4, Ian Lance Taylor wrote:
>> >> >>>>> >>
>> >> >>>>> >> On Tue, May 12, 2020 at 1:11 PM Randall Becker <
>> the....@gmail.com> wrote:
>> >> >>>>> >> >
>> >> >>>>> >> > I have the go repository with release-branch.go1.4 checked 
>> out on a Windows/cygwin64 installation. Looking for the bootstrap.bash and 
>> not finding one in that branch. Assuming that my eventual target will be 
>> called nsx (rather the standard name for other open source projects), would 
>> this be amd64 as a starting point, or does that not matter? Not sure about 
>> the next step. make.bat to build for Windows first?
>> >> >>>>> >>
>> >> >>>>> >> The only reason to use go1.4 is to use it to build a newer 
>> version of
>> >> >>>>> >> Go, ideally the current version.  Once you've built the 
>> current
>> >> >>>>> >> version, use that for everything else, and set your go1.4 
>> build aside
>> >> >>>>> >> unless and until you need to build Go from scratch again.
>> >> >>>>> >>
>> >> >>>>> >> Yes, I assume that you would use amd64 as a starting point, 
>> since your
>> >> >>>>> >> target is 64-bit x86 based
>> >> >>>>> >
>> >> >>>>> >
>> >> >>>>> > So if I get this, build go1.4 from source under Windows, and 
>> bootstrap.bash (but that does not exist in the branch), with the GOOS=nsx 
>> and GOARCH=amd64, then build within the created tree using the cross 
>> compilers. Then build the newest on the target platform using the go1.4 
>> cross compiled version.
>> >> >>>>> >
>> >> >>>>> > Still wondering what to use for bootstrap.bash, though.
>> >> >>>>>
>> >> >>>>> No, build Go1.4 from source on Windows.  Use that to build Go 
>> 1.14.2
>> >> >>>>> (say) on Windows, as described at
>> >> >>>>> https://golang.org/doc/install-source.html.  Then use Go 1.14.2 
>> with
>> >> >>>>> bootstrap.bash.  Go 1.14.2 comes with bootstrap.bash.
>> >> >>>>>
>> >> >>>>> Once you have Go 1.14.2, throw away Go1.4 and never use it 
>> again.  The
>> >> >>>>> only reason to use Go1.4 is to build a newer version of Go.  Once
>> >> >>>>> you've done that, use the newer version of Go for everything.
>> >> >>>>>
>> >> >>>>> For that matter, you can just download Go 1.14.2 for Windows.  
>> Go 1.4
>> >> >>>>> is there for people who want to bootstrap from source rather 
>> than rely
>> >> >>>>> on downloaded binaries.
>> >> >>>>>
>> >> >>>>> Ian
>> >> >>>>
>> >> >>>>
>> >> >>>> I have Go 1.14.2 installed and working under Windows. Not sure 
>> the next step. Sorry, I was assuming a source build, so I'm a bit clueless.
>> >> >>>>
>> >> >>>> --
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>> >> >
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>>
>
>
> -- 
> Gé
>

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