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| author | bjorn3 <17426603+bjorn3@users.noreply.github.com> | 2023-09-07 12:03:27 +0000 |
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| committer | bjorn3 <17426603+bjorn3@users.noreply.github.com> | 2023-09-07 12:03:27 +0000 |
| commit | d72f7109ede688200c4ffdc0453457a66552f47b (patch) | |
| tree | 0ea1bbe8efbfe88121795a70633d83e882e6800d | |
| parent | 5ae94e91f02a5e26162db20e2b306aeebd79a2d7 (diff) | |
| download | rust-d72f7109ede688200c4ffdc0453457a66552f47b.tar.gz rust-d72f7109ede688200c4ffdc0453457a66552f47b.zip | |
Update steps to testing rustc changes for upstream changes
| -rw-r--r-- | Readme.md | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/Readme.md b/Readme.md index 62eaef359af..6f2027be96d 100644 --- a/Readme.md +++ b/Readme.md @@ -60,18 +60,14 @@ You need to do this steps to successfully compile and use the cranelift backend 2. Run `python x.py setup` and choose option for compiler (`b`). 3. Build compiler and necessary tools: `python x.py build --stage=2 compiler library/std src/tools/rustdoc src/tools/rustfmt` * (Optional) You can also build cargo by adding `src/tools/cargo` to previous command. -4. Copy exectutable files from `./build/host/stage2-tools/<your hostname triple>/release` -to `./build/host/stage2/bin/`. Note that you would need to do this every time you rebuilt `rust` repository. -5. Copy cargo from another toolchain: `cp $(rustup which cargo) .build/<your hostname triple>/stage2/bin/cargo` - * Another option is to build it at step 3 and copy with other executables at step 4. -6. Link your new `rustc` to toolchain: `rustup toolchain link stage2 ./build/host/stage2/`. -7. (Windows only) compile the build system: `rustc +stage2 -O build_system/main.rs -o y.exe`. -8. You need to prefix every `./y.sh` (or `y` if you built `build_system/main.rs` as `y`) command by `rustup run stage2` to make cg_clif use your local changes in rustc. - +4. Copy cargo from a nightly toolchain: `cp $(rustup +nightly which cargo) ./build/host/stage2/bin/cargo`. Note that you would need to do this every time you rebuilt `rust` repository. +5. Link your new `rustc` to toolchain: `rustup toolchain link stage2 ./build/host/stage2/`. +6. (Windows only) compile the build system: `rustc +stage2 -O build_system/main.rs -o y.exe`. +7. You need to prefix every `./y.sh` (or `y` if you built `build_system/main.rs` as `y`) command by `rustup run stage2` to make cg_clif use your local changes in rustc. * `rustup run stage2 ./y.sh prepare` * `rustup run stage2 ./y.sh build` * (Optional) run tests: `rustup run stage2 ./y.sh test` -9. Now you can use your cg_clif build to compile other Rust programs, e.g. you can open any Rust crate and run commands like `$RustCheckoutDir/compiler/rustc_codegen_cranelift/dist/cargo-clif build --release`. +8. Now you can use your cg_clif build to compile other Rust programs, e.g. you can open any Rust crate and run commands like `$RustCheckoutDir/compiler/rustc_codegen_cranelift/dist/cargo-clif build --release`. ## Configuration |