mirror of
https://github.com/rust-lang/cargo
synced 2024-10-13 19:22:33 +00:00
420 lines
9.9 KiB
Rust
420 lines
9.9 KiB
Rust
//! Tests for rustc plugins.
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use cargo_test_support::rustc_host;
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use cargo_test_support::{basic_manifest, project};
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#[cargo_test(nightly, reason = "plugins are unstable")]
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fn plugin_to_the_max() {
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let foo = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.0.1"
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authors = []
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[lib]
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name = "foo_lib"
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[dependencies.bar]
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path = "../bar"
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"#,
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)
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.file(
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"src/main.rs",
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r#"
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#![feature(plugin)]
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#![plugin(bar)]
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extern crate foo_lib;
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fn main() { foo_lib::foo(); }
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"#,
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)
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.file(
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"src/foo_lib.rs",
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r#"
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#![feature(plugin)]
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#![plugin(bar)]
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pub fn foo() {}
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"#,
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)
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.build();
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let _bar = project()
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.at("bar")
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "bar"
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version = "0.0.1"
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authors = []
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[lib]
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name = "bar"
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plugin = true
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[dependencies.baz]
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path = "../baz"
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"#,
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)
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.file(
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"src/lib.rs",
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r#"
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#![feature(rustc_private)]
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extern crate baz;
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extern crate rustc_driver;
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use rustc_driver::plugin::Registry;
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#[no_mangle]
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pub fn __rustc_plugin_registrar(_reg: &mut Registry) {
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println!("{}", baz::baz());
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}
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"#,
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)
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.build();
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let _baz = project()
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.at("baz")
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "baz"
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version = "0.0.1"
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authors = []
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[lib]
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name = "baz"
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crate_type = ["dylib"]
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"#,
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)
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.file("src/lib.rs", "pub fn baz() -> i32 { 1 }")
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.build();
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foo.cargo("build").run();
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foo.cargo("doc").run();
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}
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#[cargo_test(nightly, reason = "plugins are unstable")]
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fn plugin_with_dynamic_native_dependency() {
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let build = project()
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.at("builder")
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "builder"
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version = "0.0.1"
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authors = []
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[lib]
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name = "builder"
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crate-type = ["dylib"]
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"#,
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)
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.file("src/lib.rs", "#[no_mangle] pub extern fn foo() {}")
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.build();
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let foo = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.0.1"
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authors = []
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[dependencies.bar]
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path = "bar"
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"#,
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)
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.file(
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"src/main.rs",
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r#"
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#![feature(plugin)]
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#![plugin(bar)]
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fn main() {}
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"#,
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)
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.file(
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"bar/Cargo.toml",
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r#"
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[package]
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name = "bar"
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version = "0.0.1"
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authors = []
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build = 'build.rs'
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[lib]
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name = "bar"
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plugin = true
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"#,
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)
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.file(
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"bar/build.rs",
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r#"
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use std::env;
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use std::fs;
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use std::path::PathBuf;
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fn main() {
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let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
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let root = PathBuf::from(env::var("BUILDER_ROOT").unwrap());
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let file = format!("{}builder{}",
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env::consts::DLL_PREFIX,
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env::consts::DLL_SUFFIX);
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let src = root.join(&file);
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let dst = out_dir.join(&file);
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fs::copy(src, dst).unwrap();
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if cfg!(target_env = "msvc") {
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fs::copy(root.join("builder.dll.lib"),
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out_dir.join("builder.dll.lib")).unwrap();
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}
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println!("cargo:rustc-flags=-L {}", out_dir.display());
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}
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"#,
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)
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.file(
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"bar/src/lib.rs",
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r#"
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#![feature(rustc_private)]
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extern crate rustc_driver;
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use rustc_driver::plugin::Registry;
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#[cfg_attr(not(target_env = "msvc"), link(name = "builder"))]
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#[cfg_attr(target_env = "msvc", link(name = "builder.dll"))]
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extern { fn foo(); }
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#[no_mangle]
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pub fn __rustc_plugin_registrar(_reg: &mut Registry) {
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unsafe { foo() }
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}
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"#,
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)
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.build();
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build.cargo("build").run();
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let root = build.root().join("target").join("debug");
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foo.cargo("build -v").env("BUILDER_ROOT", root).run();
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}
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#[cargo_test]
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fn plugin_integration() {
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.0.1"
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authors = []
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build = "build.rs"
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[lib]
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name = "foo"
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plugin = true
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doctest = false
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"#,
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)
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.file("build.rs", "fn main() {}")
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.file("src/lib.rs", "")
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.file("tests/it_works.rs", "")
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.build();
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p.cargo("test -v").run();
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}
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#[cargo_test]
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fn doctest_a_plugin() {
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.0.1"
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authors = []
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[dependencies]
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bar = { path = "bar" }
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"#,
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)
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.file("src/lib.rs", "#[macro_use] extern crate bar;")
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.file(
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"bar/Cargo.toml",
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r#"
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[package]
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name = "bar"
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version = "0.0.1"
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authors = []
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[lib]
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name = "bar"
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plugin = true
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"#,
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)
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.file("bar/src/lib.rs", "pub fn bar() {}")
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.build();
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p.cargo("test -v").run();
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}
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// See #1515
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#[cargo_test]
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fn native_plugin_dependency_with_custom_linker() {
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let target = rustc_host();
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let _foo = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.0.1"
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authors = []
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[lib]
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plugin = true
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"#,
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)
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.file("src/lib.rs", "")
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.build();
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let bar = project()
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.at("bar")
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "bar"
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version = "0.0.1"
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authors = []
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[dependencies.foo]
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path = "../foo"
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"#,
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)
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.file("src/lib.rs", "")
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.file(
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".cargo/config",
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&format!(
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r#"
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[target.{}]
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linker = "nonexistent-linker"
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"#,
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target
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),
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)
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.build();
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bar.cargo("build --verbose")
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.with_status(101)
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.with_stderr_contains(
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"\
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[COMPILING] foo v0.0.1 ([..])
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[RUNNING] `rustc [..] -C linker=nonexistent-linker [..]`
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[ERROR] [..]linker[..]
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",
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)
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.run();
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}
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#[cargo_test(nightly, reason = "requires rustc_private")]
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fn panic_abort_plugins() {
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.0.1"
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authors = []
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[profile.dev]
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panic = 'abort'
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[dependencies]
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bar = { path = "bar" }
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"#,
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)
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.file("src/lib.rs", "")
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.file(
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"bar/Cargo.toml",
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r#"
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[package]
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name = "bar"
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version = "0.0.1"
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authors = []
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[lib]
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plugin = true
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"#,
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)
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.file(
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"bar/src/lib.rs",
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r#"
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#![feature(rustc_private)]
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extern crate rustc_ast;
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"#,
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)
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.build();
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p.cargo("build").run();
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}
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#[cargo_test(nightly, reason = "requires rustc_private")]
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fn shared_panic_abort_plugins() {
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.0.1"
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authors = []
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[profile.dev]
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panic = 'abort'
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[dependencies]
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bar = { path = "bar" }
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baz = { path = "baz" }
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"#,
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)
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.file("src/lib.rs", "extern crate baz;")
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.file(
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"bar/Cargo.toml",
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r#"
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[package]
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name = "bar"
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version = "0.0.1"
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authors = []
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[lib]
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plugin = true
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[dependencies]
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baz = { path = "../baz" }
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"#,
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)
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.file(
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"bar/src/lib.rs",
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r#"
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#![feature(rustc_private)]
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extern crate rustc_ast;
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extern crate baz;
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"#,
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)
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.file("baz/Cargo.toml", &basic_manifest("baz", "0.0.1"))
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.file("baz/src/lib.rs", "")
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.build();
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p.cargo("build -v").run();
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}
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