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Diffstat (limited to 'Tools/jit/README.md')
| -rw-r--r-- | Tools/jit/README.md | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/Tools/jit/README.md b/Tools/jit/README.md index 4107265754f..8e817574b4d 100644 --- a/Tools/jit/README.md +++ b/Tools/jit/README.md @@ -41,7 +41,9 @@ Homebrew won't add any of the tools to your `$PATH`. That's okay; the build scri ### Windows -Install LLVM 19 [by searching for it on LLVM's GitHub releases page](https://github.com/llvm/llvm-project/releases?q=19), clicking on "Assets", downloading the appropriate Windows installer for your platform (likely the file ending with `-win64.exe`), and running it. **When installing, be sure to select the option labeled "Add LLVM to the system PATH".** +LLVM is downloaded automatically (along with other external binary dependencies) by `PCbuild\build.bat`. + +Otherwise, you can install LLVM 19 [by searching for it on LLVM's GitHub releases page](https://github.com/llvm/llvm-project/releases?q=19), clicking on "Assets", downloading the appropriate Windows installer for your platform (likely the file ending with `-win64.exe`), and running it. **When installing, be sure to select the option labeled "Add LLVM to the system PATH".** Alternatively, you can use [chocolatey](https://chocolatey.org): @@ -52,13 +54,13 @@ choco install llvm --version=19.1.0 ## Building -For `PCbuild`-based builds, pass the new `--experimental-jit` option to `build.bat`. +For `PCbuild`-based builds, pass the `--experimental-jit` option to `build.bat`. -For all other builds, pass the new `--enable-experimental-jit` option to `configure`. +For all other builds, pass the `--enable-experimental-jit` option to `configure`. Otherwise, just configure and build as you normally would. Cross-compiling "just works", since the JIT is built for the host platform. -The JIT can also be enabled or disabled using the `PYTHON_JIT` environment variable, even on builds where it is enabled or disabled by default. More details about configuring CPython with the JIT and optional values for `--enable-experimental-jit` can be found [here](https://docs.python.org/dev/whatsnew/3.13.html#experimental-jit-compiler). +The JIT can also be enabled or disabled using the `PYTHON_JIT` environment variable, even on builds where it is enabled or disabled by default. More details about configuring CPython with the JIT and optional values for `--enable-experimental-jit` can be found [here](https://docs.python.org/dev/using/configure.html#cmdoption-enable-experimental-jit). [^pep-744]: [PEP 744](https://peps.python.org/pep-0744/) |