nova-shell/plugin/build.rs

22 lines
1.1 KiB
Rust

use cxx_qt_build::{CxxQtBuilder, PluginType, QmlModule};
fn main() {
// Rust cdylib uses a version script that hides everything not declared
// `#[no_mangle] pub extern "C"`. cxx-qt's QQmlEngineExtensionPlugin entry
// points (qt_plugin_instance, qt_plugin_query_metadata_v2) come from
// compiled C++ and would otherwise be stripped to local visibility, so Qt's
// plugin loader finds nothing exported. --export-dynamic re-exposes them.
println!("cargo:rustc-link-arg=-Wl,--export-dynamic");
// Crane's deps-only build stubs out lib.rs and removes our bridge sources to
// build a dummy crate that only compiles dependencies. Skip cxx-qt codegen in
// that case - we just want cxx-qt-lib (the heavy dep) cached, not our own glue.
let bridge_files = ["src/system_stats.rs", "src/cpu_service.rs"];
if !bridge_files.iter().all(|p| std::path::Path::new(p).exists()) {
return;
}
CxxQtBuilder::new_qml_module(QmlModule::new("NovaStats").plugin_type(PluginType::Dynamic))
.files(bridge_files)
.build();
}