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The targets are: - `arm-unknown-linux-musleabi` - `arm-unknown-linux-musleabihf` - `armv7-unknown-linux-musleabihf` These mirror the existing `gnueabi` targets. All of these targets produce fully static binaries, similar to the x86 MUSL targets. For now these targets can only be used with `--rustbuild` builds, as https://github.com/rust-lang/compiler-rt/pull/22 only made the necessary compiler-rt changes in the CMake configs, not the plain GNU Make configs. I've tested these targets GCC 5.3.0 compiled again musl-1.1.12 (downloaded from http://musl.codu.org/). An example `./configure` invocation is: ``` ./configure \ --enable-rustbuild --target=arm-unknown-linux-musleabi \ --musl-root="$MUSL_ROOT" ``` where `MUSL_ROOT` points to the `arm-linux-musleabi` prefix. Usually that path will be of the form `/foobar/arm-linux-musleabi/arm-linux-musleabi`. Usually the cross-compile toolchain will live under `/foobar/arm-linux-musleabi/bin`. That path should either by added to your `PATH` variable, or you should add a section to your `config.toml` as follows: ``` [target.arm-unknown-linux-musleabi] cc = "/foobar/arm-linux-musleabi/bin/arm-linux-musleabi-gcc" cxx = "/foobar/arm-linux-musleabi/bin/arm-linux-musleabi-g++" ``` As a prerequisite you'll also have to put a cross-compiled static `libunwind.a` library in `$MUSL_ROOT/lib`. This is similar to [how the x86_64 MUSL targets are built] (https://doc.rust-lang.org/book/advanced-linking.html).
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166 B
Makefile
3 lines
166 B
Makefile
# This file is intentially left empty to indicate that, while this target is
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# supported, it's not supported using plain GNU Make builds. Use a --rustbuild
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# instead.
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