41 lines
1.4 KiB
Rust
41 lines
1.4 KiB
Rust
extern crate cmake;
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extern crate sha2;
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use std::{env, fs, path::Path, process::Command};
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use sha2::{Digest, Sha256};
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fn main() {
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println!("cargo:rerun-if-changed=build/glslangValidator.exe");
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let target = env::var("TARGET").unwrap();
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let out_file = Path::new(&env::var("OUT_DIR").unwrap()).join("glslang_validator");
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let path = if target.contains("windows") {
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const SHA256SUM: &'static str =
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"90b377479fb137f4ac69460d5f5cdc54cd23bace5eb6e6812516fdfa693b25cf";
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let path = Path::new("build/glslangValidator.exe").to_owned();
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let content = fs::read(&path).expect("failed to open executable");
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let mut hasher = Sha256::default();
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hasher.input(&content);
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let result = hasher.result();
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let sha256sum = format!("{:x}", result);
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assert_eq!(sha256sum, SHA256SUM, "glslangValidator.exe checksum failed");
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path
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} else {
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// Try to initialize submodules. Don't care if it fails, since this code also runs for
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// the crates.io package.
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let _ = Command::new("git")
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.arg("submodule")
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.arg("update")
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.arg("--init")
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.status();
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cmake::build("glslang");
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Path::new(&env::var("OUT_DIR").unwrap())
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.join("bin")
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.join("glslangValidator")
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};
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fs::copy(&path, &out_file).expect("failed to copy executable");
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}
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