81 lines
2.9 KiB
Rust
81 lines
2.9 KiB
Rust
//! Build script for coolprop-sys.
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//!
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//! This compiles the CoolProp C++ library statically.
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use std::env;
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use std::path::PathBuf;
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fn coolprop_src_path() -> Option<PathBuf> {
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// Try to find CoolProp source in common locations
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let possible_paths = vec![
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// Vendor directory (recommended)
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PathBuf::from("../../vendor/coolprop").canonicalize().unwrap_or(PathBuf::from("../../../vendor/coolprop")),
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// External directory
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PathBuf::from("external/coolprop"),
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// System paths
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PathBuf::from("/usr/local/src/CoolProp"),
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PathBuf::from("/opt/CoolProp"),
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];
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possible_paths
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.into_iter()
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.find(|path| path.join("CMakeLists.txt").exists())
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}
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fn main() {
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let static_linking = env::var("CARGO_FEATURE_STATIC").is_ok() || true; // Force static linking for python wheels
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// Check if CoolProp source is available
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if let Some(coolprop_path) = coolprop_src_path() {
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println!("cargo:rerun-if-changed={}", coolprop_path.display());
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// Build CoolProp using CMake
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let dst = cmake::Config::new(&coolprop_path)
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.define("COOLPROP_SHARED_LIBRARY", "OFF")
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.define("COOLPROP_STATIC_LIBRARY", "ON")
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.define("COOLPROP_CATCH_TEST", "OFF")
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.define("COOLPROP_C_LIBRARY", "ON")
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.define("COOLPROP_MY_IFCO3_WRAPPER", "OFF")
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.build();
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println!("cargo:rustc-link-search=native={}/build", dst.display());
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println!("cargo:rustc-link-search=native={}/lib", dst.display());
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println!("cargo:rustc-link-search=native={}/build", coolprop_path.display()); // Fallback
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// Link against CoolProp statically
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println!("cargo:rustc-link-lib=static=CoolProp");
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// On macOS, force load the static library so its symbols are exported in the final cdylib
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if cfg!(target_os = "macos") {
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println!("cargo:rustc-link-arg=-Wl,-force_load,{}/build/libCoolProp.a", dst.display());
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}
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} else {
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println!(
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"cargo:warning=CoolProp source not found in vendor/.
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For full static build, run:
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git clone https://github.com/CoolProp/CoolProp.git vendor/coolprop"
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);
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// Fallback for system library
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if static_linking {
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println!("cargo:rustc-link-lib=static=CoolProp");
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} else {
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println!("cargo:rustc-link-lib=dylib=CoolProp");
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}
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}
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// Link required system libraries for C++ standard library
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#[cfg(target_os = "macos")]
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println!("cargo:rustc-link-lib=dylib=c++");
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#[cfg(not(target_os = "macos"))]
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println!("cargo:rustc-link-lib=dylib=stdc++");
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println!("cargo:rustc-link-lib=dylib=m");
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// Tell Cargo to rerun if build.rs changes
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// Force export symbols on macOS for static building into a dynamic python extension
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println!("cargo:rustc-link-arg=-Wl,-all_load");
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println!("cargo:rerun-if-changed=build.rs");
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}
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