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| author | Guillaume Gomez <guillaume1.gomez@gmail.com> | 2025-07-18 18:31:20 +0200 |
|---|---|---|
| committer | Guillaume Gomez <guillaume1.gomez@gmail.com> | 2025-07-18 18:31:20 +0200 |
| commit | 66017df336ae650c7fff2970e470a792036ba4be (patch) | |
| tree | 343a512ef5da9dc163747d0d7fe1938478751237 /compiler/rustc_codegen_gcc/doc/tips.md | |
| parent | 82310651b93a594a3fd69015e1562186a080d94c (diff) | |
| parent | f682d09eefc6700b9e5851ef193847959acf4fac (diff) | |
| download | rust-66017df336ae650c7fff2970e470a792036ba4be.tar.gz rust-66017df336ae650c7fff2970e470a792036ba4be.zip | |
Merge commit 'f682d09eefc6700b9e5851ef193847959acf4fac' into subtree-update_cg_gcc_2025-07-18
Diffstat (limited to 'compiler/rustc_codegen_gcc/doc/tips.md')
| -rw-r--r-- | compiler/rustc_codegen_gcc/doc/tips.md | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/compiler/rustc_codegen_gcc/doc/tips.md b/compiler/rustc_codegen_gcc/doc/tips.md index 86c22db186e..e62c3402a29 100644 --- a/compiler/rustc_codegen_gcc/doc/tips.md +++ b/compiler/rustc_codegen_gcc/doc/tips.md @@ -62,14 +62,14 @@ generate it in [gimple.md](./doc/gimple.md). * Run `./y.sh prepare --cross` so that the sysroot is patched for the cross-compiling case. * Set the path to the cross-compiling libgccjit in `gcc-path` (in `config.toml`). - * Make sure you have the linker for your target (for instance `m68k-unknown-linux-gnu-gcc`) in your `$PATH`. Currently, the linker name is hardcoded as being `$TARGET-gcc`. Specify the target when building the sysroot: `./y.sh build --sysroot --target-triple m68k-unknown-linux-gnu`. - * Build your project by specifying the target: `OVERWRITE_TARGET_TRIPLE=m68k-unknown-linux-gnu ../y.sh cargo build --target m68k-unknown-linux-gnu`. + * Make sure you have the linker for your target (for instance `m68k-unknown-linux-gnu-gcc`) in your `$PATH`. You can specify which linker to use via `CG_RUSTFLAGS="-Clinker=<linker>"`, for instance: `CG_RUSTFLAGS="-Clinker=m68k-unknown-linux-gnu-gcc"`. Specify the target when building the sysroot: `./y.sh build --sysroot --target-triple m68k-unknown-linux-gnu`. + * Build your project by specifying the target and the linker to use: `CG_RUSTFLAGS="-Clinker=m68k-unknown-linux-gnu-gcc" ../y.sh cargo build --target m68k-unknown-linux-gnu`. If the target is not yet supported by the Rust compiler, create a [target specification file](https://docs.rust-embedded.org/embedonomicon/custom-target.html) (note that the `arch` specified in this file must be supported by the rust compiler). Then, you can use it the following way: * Add the target specification file using `--target` as an **absolute** path to build the sysroot: `./y.sh build --sysroot --target-triple m68k-unknown-linux-gnu --target $(pwd)/m68k-unknown-linux-gnu.json` - * Build your project by specifying the target specification file: `OVERWRITE_TARGET_TRIPLE=m68k-unknown-linux-gnu ../y.sh cargo build --target path/to/m68k-unknown-linux-gnu.json`. + * Build your project by specifying the target specification file: `../y.sh cargo build --target path/to/m68k-unknown-linux-gnu.json`. If you get the following error: |