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f5fb0bf297
Try adding an LC_RPATH command to the cdylib that we're building (for example libsixtyfps_cpp.dylib), to fix linkage against Qt, which uses `@rpath/QtCore.framework/XXX` for inter-library linkage dependencies.
62 lines
2.5 KiB
Rust
62 lines
2.5 KiB
Rust
/* LICENSE BEGIN
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This file is part of the SixtyFPS Project -- https://sixtyfps.io
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Copyright (c) 2020 Olivier Goffart <olivier.goffart@sixtyfps.io>
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Copyright (c) 2020 Simon Hausmann <simon.hausmann@sixtyfps.io>
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SPDX-License-Identifier: GPL-3.0-only
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This file is also available under commercial licensing terms.
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Please contact info@sixtyfps.io for more information.
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LICENSE END */
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use std::process::Command;
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fn qmake_query(var: &str) -> Option<String> {
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let qmake = std::env::var_os("QMAKE").unwrap_or("qmake".into());
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Command::new(qmake).env("QT_SELECT", "qt5").args(&["-query", var]).output().ok().map(|output| {
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String::from_utf8(output.stdout).expect("UTF-8 conversion from output of qmake failed")
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})
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}
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fn main() {
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println!("cargo:rerun-if-env-changed=SIXTYFPS_NO_QT");
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if std::env::var("TARGET").map_or(false, |t| t.starts_with("wasm"))
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|| std::env::var("SIXTYFPS_NO_QT").is_ok()
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{
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println!("cargo:rustc-cfg=no_qt");
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return;
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}
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if qmake_query("QT_VERSION").is_none() {
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println!("cargo:rustc-cfg=no_qt");
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println!(
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"cargo:warning=Could not find a Qt installation. The Qt backend will not be functional. See https://github.com/sixtyfpsui/sixtyfps/blob/master/docs/install_qt.md for more info"
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);
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return;
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}
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let qt_include_path = qmake_query("QT_INSTALL_HEADERS").unwrap();
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let qt_library_path = qmake_query("QT_INSTALL_LIBS").unwrap();
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let mut config = cpp_build::Config::new();
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config.flag_if_supported("-std=c++17");
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config.flag_if_supported("/std:c++17");
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if cfg!(target_os = "macos") {
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config.flag("-F");
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config.flag(qt_library_path.trim());
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}
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config.include(qt_include_path.trim()).build("lib.rs");
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let macos_lib_search = if cfg!(target_os = "macos") { "=framework" } else { "" };
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let macos_lib_framework = if cfg!(target_os = "macos") { "" } else { "5" };
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if cfg!(target_os = "macos") {
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println!("cargo:rustc-cdylib-link-arg=-Wl,-rpath,{}", qt_library_path.trim());
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}
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println!("cargo:rustc-link-search{}={}", macos_lib_search, qt_library_path.trim());
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println!("cargo:rustc-link-lib{}=Qt{}Widgets", macos_lib_search, macos_lib_framework);
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println!("cargo:rustc-link-lib{}=Qt{}Gui", macos_lib_search, macos_lib_framework);
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println!("cargo:rustc-link-lib{}=Qt{}Core", macos_lib_search, macos_lib_framework);
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println!("cargo:rerun-if-changed=qt_window.rs");
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println!("cargo:rerun-if-changed=widgets.rs");
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println!("cargo:rerun-if-changed=qttypes.rs");
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}
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