forked from M-Labs/artiq-zynq
32 lines
1013 B
Rust
32 lines
1013 B
Rust
use std::env;
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use std::fs::File;
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use std::io::Write;
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use std::io::{BufRead, BufReader};
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use std::path::PathBuf;
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pub fn cfg(linker_script: Option<str>) {
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if let Some(script_file) = &linker_script {
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// Put the linker script somewhere the linker can find it
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let out = &PathBuf::from(env::var_os("OUT_DIR").unwrap());
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File::create(out.join(script_file))
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.unwrap()
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.write_all(include_bytes!(script_file))
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.unwrap();
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println!("cargo:rustc-link-search={}", out.display());
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// Only re-run the build script when link.x is changed,
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// instead of when any part of the source code changes.
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println!("cargo:rerun-if-changed={}". script_file);
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}
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// Handle rustc-cfg file
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let cfg_path = "../../build/rustc-cfg";
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println!("cargo:rerun-if-changed={}", cfg_path);
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let f = BufReader::new(File::open(cfg_path).unwrap());
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for line in f.lines() {
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println!("cargo:rustc-cfg={}", line.unwrap());
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}
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}
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