[rust-dev] Rust (Servo) Cross-Compile to ARM

Corey Richardson corey at octayn.net
Sun Jun 8 15:10:34 PDT 2014


You need to change the target, not just the target-cpu. `rustc
--target arm-unknown-linux-gnueabihf ...`

On Sun, Jun 8, 2014 at 2:57 PM, Skirmantas Kligys
<Skirmantas.Kligys at gmail.com> wrote:
> Luqman Aden <laden at ...> writes:
>>
>> Building a Rust cross compiler that can target arm isn't too hard. You
> just need the right toolchain installed. I personally use Debian with the
> gcc-4.7-arm-linux-gnueabi package from the Emdebian repo. (I believe Ubuntu
> and other distros have similar packages). From there it's just a simple
> matter of passing the right triple to the configure script.
>>
>> ./configure --target=arm-unknown-linux-gnueabi && make
>>
>> That'll build a rustc that can target arm as well as all the libraries.
> Then you can run it like so:
>>
>> rustc --target=arm-unknown-linux-gnueabi --linker=arm-linux-gnueabi-gcc
> hello.rs
>>
>> That'll give you a binary, hello, which will run on arm/linux. So, that's
> the basic gist of it.
>
> I am trying to follow these instructions and also
>
> https://gist.github.com/amatus/6665852
>
> unsuccessfully.
>
> export PATH=$PWD/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian-
> x64/bin:$PATH
> cd rust
> ./configure --prefix=/usr/local/stow/rust-pi-20140608 --target=arm-unknown-
> linux-gnueabihf
> make -j2
> sudo make install
>
> cfg: build triple x86_64-unknown-linux-gnu
> cfg: host triples x86_64-unknown-linux-gnu
> cfg: target triples x86_64-unknown-linux-gnu arm-unknown-linux-gnueabihf
> cfg: non-build target triples arm-unknown-linux-gnueabihf
> cfg: enabling more debugging (CFG_ENABLE_DEBUG)
> cfg: host for x86_64-unknown-linux-gnu is x86_64
> cfg: host for arm-unknown-linux-gnueabihf is arm
> cfg: os for x86_64-unknown-linux-gnu is unknown-linux-gnu
> cfg: os for arm-unknown-linux-gnueabihf is unknown-linux-gnueabihf
> cfg: using CC=gcc (CFG_CC)
> cfg: no pdflatex found, deferring to xelatex
> cfg: no xelatex found, deferring to lualatex
> cfg: no lualatex found, disabling LaTeX docs
> cfg: no pandoc found, omitting PDF and EPUB docs
> cfg: no llnextgen found, omitting grammar-verification
> ...
>
> A rustc gets built, but it targets Intel:
>
>  $ rustc -C target-cpu=help hello.rs
> Available CPUs for this target:
>
>   amdfam10      - Select the amdfam10 processor.
>   athlon        - Select the athlon processor.
>   athlon-4      - Select the athlon-4 processor.
>   athlon-fx     - Select the athlon-fx processor.
>   athlon-mp     - Select the athlon-mp processor.
>   athlon-tbird  - Select the athlon-tbird processor.
>   athlon-xp     - Select the athlon-xp processor.
>   athlon64      - Select the athlon64 processor.
>   athlon64-sse3 - Select the athlon64-sse3 processor.
> ...
>
> Any ideas?
>
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