[oi-dev] Rust in userland?

[Aurélien Larcher]

On Thu, Aug 23, 2018 at 8:21 AM, Michal Nowak <mnowak at startmail.com> wrote:

> On 08/21/18 11:16 PM, Aurélien Larcher wrote:
>
>>
>>
>> On Tue, Aug 21, 2018 at 11:10 PM, Michal Nowak <mnowak at startmail.com
>> <mailto:mnowak at startmail.com>> wrote:
>>
>>     On 08/16/18 07:31 PM, Aurélien Larcher wrote:
>>
>>
>>
>>         On Thu, Aug 16, 2018 at 7:18 PM, Aurélien Larcher
>>         <aurelien.larcher at gmail.com <mailto:aurelien.larcher at gmail.com>
>>         <mailto:aurelien.larcher at gmail.com
>>
>>         <mailto:aurelien.larcher at gmail.com>>> wrote:
>>
>>
>>
>>
>>
>>         https://github.com/cgrzemba/oi-userland/tree/rust/components
>> /developer/rust
>>         <https://github.com/cgrzemba/oi-userland/tree/rust/component
>> s/developer/rust>
>>                             <https://github.com/cgrzemba/o
>> i-userland/tree/rust/components/developer/rust
>>         <https://github.com/cgrzemba/oi-userland/tree/rust/component
>> s/developer/rust>>
>>
>>
>>                  I remember now updating my recipe to yours but I needed
>>         some
>>                  configuration tweaks to deal with a few issues:
>>                  - /usr/bin/cc is default used as linker but it is
>>         sunstudio 12.1
>>                  so you need to override it,
>>                  - AR should be specified,
>>                  - this recipe assumes that GCC runtime libraries are in
>>                  /usr/lib/$(MACH64) which is not true for us with GCC >=
>> 6,
>>                  - the linker should be specified for the target as it
>>         is not
>>                  passed from the global settings.
>>
>>                  Also rustc will eat up to 3GB of RAM so the host should
>>         have
>>                  enough memory.
>>
>>
>>              Just rebased my change over Carsten's branch:
>>
>>         https://github.com/alarcher/oi-userland/tree/rust123
>>         <https://github.com/alarcher/oi-userland/tree/rust123>
>>              <https://github.com/alarcher/oi-userland/tree/rust123
>>         <https://github.com/alarcher/oi-userland/tree/rust123>>
>>
>>
>>         More work:
>>
>>         helios> rustc hello.rs <http://hello.rs> <http://hello.rs>
>>         error[E0463]: can't find crate for `std`
>>
>>         error: aborting due to previous error
>>
>>         helios> ls /usr/lib/amd64/rustlib/x86_64-sun-solaris/
>>         analysis/ lib/
>>
>>         but rust looks for libraries in /usr/lib/rustlib
>>
>>         Symlinked like a piggy to check it and it is the problem...
>>
>>         Also rustc does not put /usr/lib/amd64 in the search path so
>>         executables are broken.
>>
>>
>>     I build Aurélien's branch inside a zone, but it fails for me with:
>>
>>     error: could not exec the linker `/usr/gcc/6/bin/gcc`: Not enough
>>     space (os error 12)
>>
>>     For full log, see
>>     https://paste.ec/paste/JxbabBm7#Kn+gh58pAwBhweYcTzrk6gzVSH7R
>> c6Npg2eXEmoCMv1
>>     <https://paste.ec/paste/JxbabBm7#Kn+gh58pAwBhweYcTzrk6gzVSH7
>> Rc6Npg2eXEmoCMv1>.
>>
>>     I am quite sure that I have plenty of disk space available:
>>
>>     $ df -h .
>>     Filesystem             Size   Used  Available Capacity  Mounted on
>>     rpool/zones/build/build-userland/ROOT/zbe-125
>>                             114G  14.7G      74.9G    17%    /
>>
>>     Any idea what the problem might be? I build it on Lenovo X220 (4
>>     cores, 6 GB of memory + 3 GB of swap), OS is updated to latest
>>     packages. I don't think I limited the zone in any way when I created
>> it.
>>
>>
>>
>> I have seen one instance of rustc take more than 3GB so you probably ran
>> out of mem.
>>
>
> I guess that's the only logical explanation, especially when the same
> component sources work for you. Hence I don't have a suitable system to
> work this on.
>
> I also tried to bump rust to 1.28 but failed short as "-nodefaultlibs" is
> getting my way: https://github.com/mno-hime/oi
> -userland/tree/rust/components/developer/rust.
>

Is it again some config picking /usr/bin/cc instead of the specified
compiler?


>
> M.
>
>
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