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Merge pull request #1514 from jameshilliard/cross-env-detection 

Ensure we are cross compiling when any cross env variables are set.
This commit is contained in:
David Hewitt 2021-03-28 12:46:59 +01:00 committed by GitHub
parent 24b00004c6 2c3e8b1c50
commit 8ad3827341
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2 changed files with 36 additions and 27 deletions
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1
CHANGELOG.md
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@ -48,6 +48,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
- Fix inability to use a named lifetime for `&PyTuple` of `*args` in `#[pyfunction]`. [#1440](https://github.com/PyO3/pyo3/pull/1440)
- Fix inability to add `#[text_signature]` to some `#[pyproto]` methods. [#1483](https://github.com/PyO3/pyo3/pull/1483)
- Fix use of Python argument for #[pymethods] inside macro expansions. [#1505](https://github.com/PyO3/pyo3/pull/1505)
- Always use cross-compiling configuration if any of the environment variables are set. [#1514](https://github.com/PyO3/pyo3/pull/1514)
## [0.13.2] - 2021-02-12
### Packaging

62
build.rs
View File

@ -142,36 +142,44 @@ impl CrossCompileConfig {
}
fn cross_compiling() -> Result<Option<CrossCompileConfig>> {
let target = env::var("TARGET")?;
let host = env::var("HOST")?;
if target == host {
// Not cross-compiling
return Ok(None);
}
if env::var_os("PYO3_CROSS").is_none()
&& env::var_os("PYO3_CROSS_LIB_DIR").is_none()
&& env::var_os("PYO3_CROSS_INCLUDE_DIR").is_none()
&& env::var_os("PYO3_CROSS_VERSION").is_none()
&& env::var_os("PYO3_CROSS_PYTHON_VERSION").is_none()
{
let target = env::var("TARGET")?;
let host = env::var("HOST")?;
if target == host {
// Not cross-compiling
return Ok(None);
}
if target == "i686-pc-windows-msvc" && host == "x86_64-pc-windows-msvc" {
// Not cross-compiling to compile for 32-bit Python from windows 64-bit
return Ok(None);
}
if target == "i686-pc-windows-msvc" && host == "x86_64-pc-windows-msvc" {
// Not cross-compiling to compile for 32-bit Python from windows 64-bit
return Ok(None);
}
if target == "x86_64-apple-darwin" && host == "aarch64-apple-darwin" {
// Not cross-compiling to compile for x86-64 Python from macOS arm64
return Ok(None);
}
if target == "aarch64-apple-darwin" && host == "x86_64-apple-darwin" {
// Not cross-compiling to compile for arm64 Python from macOS x86_64
return Ok(None);
}
if target == "x86_64-apple-darwin" && host == "aarch64-apple-darwin" {
// Not cross-compiling to compile for x86-64 Python from macOS arm64
return Ok(None);
}
if host.starts_with(&format!(
"{}-{}-{}",
env::var("CARGO_CFG_TARGET_ARCH")?,
env::var("CARGO_CFG_TARGET_VENDOR")?,
env::var("CARGO_CFG_TARGET_OS")?
)) {
// Not cross-compiling if arch-vendor-os is all the same
// e.g. x86_64-unknown-linux-musl on x86_64-unknown-linux-gnu host
return Ok(None);
if target == "aarch64-apple-darwin" && host == "x86_64-apple-darwin" {
// Not cross-compiling to compile for arm64 Python from macOS x86_64
return Ok(None);
}
if host.starts_with(&format!(
"{}-{}-{}",
env::var("CARGO_CFG_TARGET_ARCH")?,
env::var("CARGO_CFG_TARGET_VENDOR")?,
env::var("CARGO_CFG_TARGET_OS")?
)) {
// Not cross-compiling if arch-vendor-os is all the same
// e.g. x86_64-unknown-linux-musl on x86_64-unknown-linux-gnu host
return Ok(None);
}
}
// Cross-compiling on any other platform