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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
use std::env;
use std::fs;
use std::path::Path;
use std::process::Command;
fn main() {
let layout_2013 = std::env::var_os("CARGO_FEATURE_LAYOUT_2013").is_some();
let layout_2020 = std::env::var_os("CARGO_FEATURE_LAYOUT_2020").is_some();
if !(layout_2013 || layout_2020) {
error("Must enable one of the `layout-2013` or `layout-2020` features.")
}
if layout_2013 && layout_2020 {
error("Must not enable both of the `layout-2013` or `layout-2020` features.")
}
println!("cargo:rerun-if-changed=../../python/servo/gstreamer.py");
let output = Command::new(find_python())
.arg("../../python/servo/gstreamer.py")
.arg(std::env::var_os("TARGET").unwrap())
.output()
.unwrap();
if !output.status.success() {
eprintln!("{}", String::from_utf8_lossy(&output.stdout));
eprintln!("{}", String::from_utf8_lossy(&output.stderr));
std::process::exit(1)
}
let path = Path::new(&env::var_os("OUT_DIR").unwrap()).join("gstreamer_plugins.rs");
fs::write(path, output.stdout).unwrap();
}
fn error(message: &str) {
print!("\n\n Error: {}\n\n", message);
std::process::exit(1);
}
fn find_python() -> String {
env::var("PYTHON3").ok().unwrap_or_else(|| {
let candidates = if cfg!(windows) {
["python3.8.exe", "python38.exe", "python.exe"]
} else {
["python3.8", "python3", "python"]
};
for &name in &candidates {
if Command::new(name)
.arg("--version")
.output()
.ok()
.map_or(false, |out| out.status.success())
{
return name.to_owned();
}
}
panic!(
"Can't find python (tried {})! Try fixing PATH or setting the PYTHON3 env var",
candidates.join(", ")
)
})
}
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