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build: make abi3 linking work on windows

This commit is contained in:
konstin 2021-01-08 20:41:19 +01:00 committed by David Hewitt
parent 364b7c2214
commit c8b290a254
1 changed files with 11 additions and 1 deletions
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12
build.rs
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@ -831,11 +831,21 @@ fn abi3_without_interpreter() -> Result<()> {
}
println!("cargo:rustc-cfg=py_sys_config=\"WITH_THREAD\"");
println!("cargo:python_flags={}", flags);
// Unfortunately, on windows we can't build without at least providing
// python.lib to the linker. While maturin tells the linker the location
// of python.lib, we need to do the renaming here, otherwise cargo
// complains that the crate using pyo3 does not contains a `#[link(...)]`
// attribute with pythonXY.
if env::var("CARGO_CFG_TARGET_FAMILY")? == "windows" {
println!("cargo:rustc-link-lib=pythonXY:python3");
}
Ok(())
}
fn main() -> Result<()> {
// If PYO3_NO_PYTHON is set with abi3, we can build PyO3 without calling Python (UNIX only).
// If PYO3_NO_PYTHON is set with abi3, we can build PyO3 without calling Python.
// We only check for the abi3-py3{ABI3_MAX_MINOR} because lower versions depend on it.
if env::var_os("PYO3_NO_PYTHON").is_some()
&& env::var_os(format!("CARGO_FEATURE_ABI3_PY3{}", ABI3_MAX_MINOR)).is_some()