Don't watch PYTHON_SYS_EXECUTABLE and PATH when unnecessary
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1749747ad4
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41cfa6b2e9
21
build.rs
21
build.rs
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@ -893,17 +893,20 @@ fn main() -> Result<()> {
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// TODO: Find out how we can set -undefined dynamic_lookup here (if this is possible)
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// TODO: Find out how we can set -undefined dynamic_lookup here (if this is possible)
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}
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}
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let env_vars = [
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for var in ["LIB", "LD_LIBRARY_PATH", "PYO3_PYTHON"].iter() {
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"LD_LIBRARY_PATH",
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"PATH",
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"PYTHON_SYS_EXECUTABLE",
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"PYO3_PYTHON",
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"LIB",
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];
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for var in env_vars.iter() {
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println!("cargo:rerun-if-env-changed={}", var);
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println!("cargo:rerun-if-env-changed={}", var);
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}
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}
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if env::var_os("PYO3_PYTHON").is_none() {
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// When PYO3_PYTHON is not used, PYTHON_SYS_EXECUTABLE has the highest priority.
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// Let's watch it.
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println!("cargo:rerun-if-env-changed=PYTHON_SYS_EXECUTABLE");
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if env::var_os("PYTHON_SYS_EXECUTABLE").is_none() {
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// When PYTHON_SYS_EXECUTABLE is also not used, then we use PATH.
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// Let's watch this, too.
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println!("cargo:rerun-if-env-changed=PATH");
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}
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}
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Ok(())
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Ok(())
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}
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}
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