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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/. */
#[macro_use]
extern crate lazy_static;
#[cfg(feature = "gecko")]
extern crate bindgen;
#[cfg(feature = "gecko")]
extern crate log;
#[cfg(feature = "gecko")]
extern crate regex;
#[cfg(feature = "gecko")]
extern crate toml;
extern crate walkdir;
use std::env;
use std::path::Path;
use std::process::{exit, Command};
use walkdir::WalkDir;
#[cfg(feature = "gecko")]
mod build_gecko;
#[cfg(not(feature = "gecko"))]
mod build_gecko {
pub fn generate() {}
}
#[cfg(windows)]
fn find_python() -> String {
if Command::new("python2.7.exe")
.arg("--version")
.output()
.is_ok()
{
return "python2.7.exe".to_owned();
}
if Command::new("python27.exe")
.arg("--version")
.output()
.is_ok()
{
return "python27.exe".to_owned();
}
if Command::new("python.exe").arg("--version").output().is_ok() {
return "python.exe".to_owned();
}
panic!(concat!(
"Can't find python (tried python2.7.exe, python27.exe, and python.exe)! ",
"Try fixing PATH or setting the PYTHON env var"
));
}
#[cfg(not(windows))]
fn find_python() -> String {
if Command::new("python2.7")
.arg("--version")
.output()
.unwrap()
.status
.success()
{
"python2.7"
} else {
"python"
}
.to_owned()
}
lazy_static! {
pub static ref PYTHON: String = env::var("PYTHON").ok().unwrap_or_else(find_python);
}
fn generate_properties() {
for entry in WalkDir::new("properties") {
let entry = entry.unwrap();
match entry.path().extension().and_then(|e| e.to_str()) {
Some("mako") | Some("rs") | Some("py") | Some("zip") => {
println!("cargo:rerun-if-changed={}", entry.path().display());
},
_ => {},
}
}
let script = Path::new(&env::var_os("CARGO_MANIFEST_DIR").unwrap())
.join("properties")
.join("build.py");
#[cfg(feature = "gecko")]
let engine = "gecko";
#[cfg(feature = "servo-layout-2013")]
let engine = "servo-2013";
#[cfg(feature = "servo-layout-2020")]
let engine = "servo-2020";
let status = Command::new(&*PYTHON)
.arg(&script)
.arg(engine)
.arg("style-crate")
.status()
.unwrap();
if !status.success() {
exit(1)
}
}
fn main() {
let gecko = cfg!(feature = "gecko");
let servo = cfg!(feature = "servo");
if !(gecko || servo) {
panic!("The style crate requires enabling one of its 'servo' or 'gecko' feature flags");
}
if gecko && servo {
panic!(
"The style crate does not support enabling both its 'servo' or 'gecko' \
feature flags at the same time."
);
}
if gecko && (cfg!(feature = "servo-layout-2013") || cfg!(feature = "servo-layout-2020")) {
panic!("The 'servo-layout-*' features can only be enabled together with 'servo'.");
}
println!("cargo:rerun-if-changed=build.rs");
println!("cargo:out_dir={}", env::var("OUT_DIR").unwrap());
generate_properties();
build_gecko::generate();
}
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